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frr 4.x fails to start with an active tun interface on FreeBSD #2338

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mdtancsa opened this issue May 31, 2018 · 9 comments
Closed

frr 4.x fails to start with an active tun interface on FreeBSD #2338

mdtancsa opened this issue May 31, 2018 · 9 comments
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@rwestphal
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bug

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@mdtancsa
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mdtancsa commented May 31, 2018 •
edited by qlyoung

I noticed that if a tunnel interface created by OpenVPN on FreeBSD 11 (AMD64) is active at the time zebra tries to start up, it fails.

 ./zebra
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 12:26:46 warnings: ZEBRA: ifam_read() doesn't read all socket data
core_handler: showing active allocations in memory group libfrr
core_handler: memstats:  Work queue name string        :      1 *         22
core_handler: memstats:  Work queue item               :      1 *         24
core_handler: memstats:  Work queue                    :      2 * (variably sized)
core_handler: memstats:  VRF                           :      1 *        160
core_handler: memstats:  Vector index                  :   2637 * (variably sized)
core_handler: memstats:  Vector                        :   2637 *         16
core_handler: memstats:  Thread stats                  :      3 *         64
core_handler: memstats:  Thread master                 :      3 * (variably sized)
core_handler: memstats:  Thread                        :     17 * (variably sized)
core_handler: memstats:  Route node                    :    126 * (variably sized)
core_handler: memstats:  Route table                   :     28 *         48
core_handler: memstats:  Prefix                        :     38 *         40
core_handler: memstats:  Priority queue data           :      1 *        256
core_handler: memstats:  Priority queue                :      1 *         32
core_handler: memstats:  Logical-Router Name           :      1 *         23
core_handler: memstats:  Logical-Router                :      1 *         72
core_handler: memstats:  Nexthop                       :     38 *        112
core_handler: memstats:  Temporary memory              :     15 * (variably sized)
core_handler: memstats:  Logging                       :      1 *         72
core_handler: memstats:  Link Node                     :    145 *         24
core_handler: memstats:  Link List                     :     67 *         40
core_handler: memstats:  Connected                     :     20 *         40
core_handler: memstats:  Interface                     :     13 *        400
core_handler: memstats:  Hook entry                    :      2 *         48
core_handler: memstats:  Hash Index                    :     45 * (variably sized)
core_handler: memstats:  Hash Bucket                   :    389 *         32
core_handler: memstats:  Hash                          :     90 * (variably sized)
core_handler: memstats:  Graph Node                    :   1306 *         32
core_handler: memstats:  Graph                         :     11 *          8
core_handler: memstats:  Command Argument Name         :    101 * (variably sized)
core_handler: memstats:  Command Token Help            :    855 * (variably sized)
core_handler: memstats:  Command Token Text            :    855 * (variably sized)
core_handler: memstats:  Command Tokens                :   1060 *         72
core_handler: memstats:  Host config                   :      1 *         23
core_handler: showing active allocations in memory group zebra
core_handler: memstats:  Zebra Name Space              :      1 *         88
core_handler: memstats:  RIB table info                :      4 *         16
core_handler: memstats:  RIB destination               :     38 *         48
core_handler: memstats:  Route Entry                   :     38 *         88
core_handler: memstats:  ZEBRA VRF                     :      1 *       8888
core_handler: showing active allocations in memory group Label Manager
Abort

Starting with truss shows

...

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             ERR#22 'Invalid argument'
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
errors: write(2,"errors: ",8)                            = 8 (0x8)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
if_ioctl(SIOCGIFMEDIA) failed: Invalid argumentwrite(2,"if_ioctl(SIOCGIFMEDIA) failed: I"...,47) = 47 (0x2f)

write(2,"\n",1)                                  = 1 (0x1)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFFLAGS,0x7fffffffe628)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMEDIA,0x7fffffffe5f0)             = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
write(5,"\^A",1)                                 = 1 (0x1)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMTU,0x7fffffffe7e8)               = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
seteuid(0x0)                                     = 0 (0x0)
socket(PF_INET,SOCK_DGRAM,0)                     = 8 (0x8)
ioctl(8,SIOCGIFMETRIC,0x7fffffffe7e8)            = 0 (0x0)
seteuid(0xa8)                                    = 0 (0x0)
close(8)                                         = 0 (0x0)
2018/05/31 13:05:47 write(2,"2018/05/31 13:05:47 ",20)           = 20 (0x14)
warnings: write(2,"warnings: ",10)                       = 10 (0xa)
ZEBRA: write(2,"ZEBRA: ",7)                              = 7 (0x7)
ifam_read() doesn't read all socket datawrite(2,"ifam_read() doesn't read all soc"...,40) = 40 (0x28)

write(2,"\n",1)                                  = 1 (0x1)
SIGNAL 11 (SIGSEGV) code=SEGV_MAPERR trapno=12 addr=0x20
sigprocmask(SIG_SETMASK,{ SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGTRAP|SIGABRT|SIGEMT|SIGFPE|SIGKILL|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },0x0) = 0 (0x0)
sigprocmask(SIG_SETMASK,{ SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGTRAP|SIGABRT|SIGEMT|SIGFPE|SIGKILL|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },{ SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGTRAP|SIGABRT|SIGEMT|SIGFPE|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2 }) = 0 (0x0)
sigaction(SIGALRM,{ SIG_DFL 0x0 ss_t },{ 0x801594d70 SA_SIGINFO ss_t }) = 0 (0x0)
sigprocmask(SIG_SETMASK,{ SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGTRAP|SIGABRT|SIGEMT|SIGFPE|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },0x0) = 0 (0x0)
sigprocmask(SIG_UNBLOCK,{ SIGALRM },0x0)         = 0 (0x0)
setitimer(0,{ 0.000000, 1.000000 },{ 0.000000, 0.000000 }) = 0 (0x0)
openat(AT_FDCWD,"/var/tmp/quagga.zebra.crashlog",O_WRONLY|O_CREAT|O_EXCL,0600) ERR#17 'File exists'
openat(AT_FDCWD,"/var/tmp/quagga.zebra.crashlog",O_WRONLY|O_CREAT|O_EXCL,0600) ERR#17 'File exists'
__sysctl(0x800b24e50,0x4,0x7fffffffd280,0x7fffffffd278,0x0,0x0) = 0 (0x0)
openat(AT_FDCWD,"/usr/ports/net/frr/work/frr-frr-4.0/zebra/.libs/zebra",O_RDONLY,00) ERR#13 'Permission denied'
core_handler: showing active allocations in memory group libfrr
write(2,"core_handler: showing active all"...,64) = 64 (0x40)
core_handler: memstats:  Work queue name string        :      1 *         22
write(2,"core_handler: memstats:  Work qu"...,77) = 77 (0x4d)
core_handler: memstats:  Work queue item               :      1 *         24
write(2,"core_handler: memstats:  Work qu"...,77) = 77 (0x4d)
core_handler: memstats:  Work queue                    :      2 * (variably sized)
write(2,"core_handler: memstats:  Work qu"...,83) = 83 (0x53)
core_handler: memstats:  VRF                           :      1 *        160
write(2,"core_handler: memstats:  VRF    "...,77) = 77 (0x4d)
core_handler: memstats:  Vector index                  :   2637 * (variably sized)
write(2,"core_handler: memstats:  Vector "...,83) = 83 (0x53)
core_handler: memstats:  Vector                        :   2637 *         16
write(2,"core_handler: memstats:  Vector "...,77) = 77 (0x4d)
core_handler: memstats:  Thread stats                  :      3 *         64
write(2,"core_handler: memstats:  Thread "...,77) = 77 (0x4d)
core_handler: memstats:  Thread master                 :      3 * (variably sized)
write(2,"core_handler: memstats:  Thread "...,83) = 83 (0x53)
core_handler: memstats:  Thread                        :     17 * (variably sized)
write(2,"core_handler: memstats:  Thread "...,83) = 83 (0x53)
core_handler: memstats:  Route node                    :    126 * (variably sized)
write(2,"core_handler: memstats:  Route n"...,83) = 83 (0x53)
core_handler: memstats:  Route table                   :     28 *         48
write(2,"core_handler: memstats:  Route t"...,77) = 77 (0x4d)
core_handler: memstats:  Prefix                        :     38 *         40
write(2,"core_handler: memstats:  Prefix "...,77) = 77 (0x4d)
core_handler: memstats:  Priority queue data           :      1 *        256
write(2,"core_handler: memstats:  Priorit"...,77) = 77 (0x4d)
core_handler: memstats:  Priority queue                :      1 *         32
write(2,"core_handler: memstats:  Priorit"...,77) = 77 (0x4d)
core_handler: memstats:  Logical-Router Name           :      1 *         23
write(2,"core_handler: memstats:  Logical"...,77) = 77 (0x4d)
core_handler: memstats:  Logical-Router                :      1 *         72
write(2,"core_handler: memstats:  Logical"...,77) = 77 (0x4d)
core_handler: memstats:  Nexthop                       :     38 *        112
write(2,"core_handler: memstats:  Nexthop"...,77) = 77 (0x4d)
core_handler: memstats:  Temporary memory              :     15 * (variably sized)
write(2,"core_handler: memstats:  Tempora"...,83) = 83 (0x53)
core_handler: memstats:  Logging                       :      1 *         72
write(2,"core_handler: memstats:  Logging"...,77) = 77 (0x4d)
core_handler: memstats:  Link Node                     :    145 *         24
write(2,"core_handler: memstats:  Link No"...,77) = 77 (0x4d)
core_handler: memstats:  Link List                     :     67 *         40
write(2,"core_handler: memstats:  Link Li"...,77) = 77 (0x4d)
core_handler: memstats:  Connected                     :     20 *         40
write(2,"core_handler: memstats:  Connect"...,77) = 77 (0x4d)
core_handler: memstats:  Interface                     :     13 *        400
write(2,"core_handler: memstats:  Interfa"...,77) = 77 (0x4d)
core_handler: memstats:  Hook entry                    :      2 *         48
write(2,"core_handler: memstats:  Hook en"...,77) = 77 (0x4d)
core_handler: memstats:  Hash Index                    :     45 * (variably sized)
write(2,"core_handler: memstats:  Hash In"...,83) = 83 (0x53)
core_handler: memstats:  Hash Bucket                   :    389 *         32
write(2,"core_handler: memstats:  Hash Bu"...,77) = 77 (0x4d)
core_handler: memstats:  Hash                          :     90 * (variably sized)
write(2,"core_handler: memstats:  Hash   "...,83) = 83 (0x53)
core_handler: memstats:  Graph Node                    :   1306 *         32
write(2,"core_handler: memstats:  Graph N"...,77) = 77 (0x4d)
core_handler: memstats:  Graph                         :     11 *          8
write(2,"core_handler: memstats:  Graph  "...,77) = 77 (0x4d)
core_handler: memstats:  Command Argument Name         :    101 * (variably sized)
write(2,"core_handler: memstats:  Command"...,83) = 83 (0x53)
core_handler: memstats:  Command Token Help            :    855 * (variably sized)
write(2,"core_handler: memstats:  Command"...,83) = 83 (0x53)
core_handler: memstats:  Command Token Text            :    855 * (variably sized)
write(2,"core_handler: memstats:  Command"...,83) = 83 (0x53)
core_handler: memstats:  Command Tokens                :   1060 *         72
write(2,"core_handler: memstats:  Command"...,77) = 77 (0x4d)
core_handler: memstats:  Host config                   :      1 *         23
write(2,"core_handler: memstats:  Host co"...,77) = 77 (0x4d)
core_handler: showing active allocations in memory group zebra
write(2,"core_handler: showing active all"...,63) = 63 (0x3f)
core_handler: memstats:  Zebra Name Space              :      1 *         88
write(2,"core_handler: memstats:  Zebra N"...,77) = 77 (0x4d)
core_handler: memstats:  RIB table info                :      4 *         16
write(2,"core_handler: memstats:  RIB tab"...,77) = 77 (0x4d)
core_handler: memstats:  RIB destination               :     38 *         48
write(2,"core_handler: memstats:  RIB des"...,77) = 77 (0x4d)
core_handler: memstats:  Route Entry                   :     38 *         88
write(2,"core_handler: memstats:  Route E"...,77) = 77 (0x4d)
core_handler: memstats:  ZEBRA VRF                     :      1 *       8888
write(2,"core_handler: memstats:  ZEBRA V"...,77) = 77 (0x4d)
core_handler: showing active allocations in memory group Label Manager
write(2,"core_handler: showing active all"...,71) = 71 (0x47)
sigprocmask(SIG_SETMASK,{ SIGHUP|SIGINT|SIGQUIT|SIGILL|SIGTRAP|SIGEMT|SIGFPE|SIGKILL|SIGBUS|SIGSEGV|SIGSYS|SIGPIPE|SIGALRM|SIGTERM|SIGURG|SIGSTOP|SIGTSTP|SIGCONT|SIGCHLD|SIGTTIN|SIGTTOU|SIGIO|SIGXCPU|SIGXFSZ|SIGVTALRM|SIGPROF|SIGWINCH|SIGINFO|SIGUSR1|SIGUSR2 },0x0) = 0 (0x0)
thr_self(0x7fffffffda70)                         = 0 (0x0)
thr_kill(100569,SIGABRT)                         = 0 (0x0)
SIGNAL 6 (SIGABRT) code=SI_LWP pid=51023 uid=0
process killed, signal = 6

 11.2-BETA2 #3 r334152

If openvpn is not running, it starts up, but still with many warnings that 3.x did not generate:

 ./zebra
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/05/31 13:06:54 warnings: ZEBRA: Disabling MPLS support (no kernel support)

This is from the port
config.log shows

$ ./configure --enable-user=frr --enable-group=frr --enable-vty-group=frrvty --sysconfdir=/usr/local/etc/frr --localstatedir=/var/run/frr --disable-nhrpd --disable-pimd --disable-fpm --disable-ldpd --without-libpam --disable-rpki --disable-shell-access --disable-tcmalloc --disable-tcp-zebra --enable-vtysh --prefix=/usr/local --mandir=/usr/local/man --disable-silent-rules --infodir=/usr/local/info/ --build=amd64-portbld-freebsd11.2

## --------- ##
## Platform. ##
## --------- ##
@mdtancsa
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Contributor Author

mdtancsa commented May 31, 2018 •
edited by qlyoung

compiling with debug flags,

Program received signal SIGSEGV, Segmentation fault.
0x000000000040ec84 in connected_up (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:212
212             PREFIX_COPY(&p, CONNECTED_PREFIX(ifc));
Current language:  auto; currently minimal
(gdb) where
#0  0x000000000040ec84 in connected_up (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:212
#1  0x000000000041035c in connected_announce (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:92
#2  0x000000000040f51a in connected_update (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:197
#3  0x000000000040fd69 in connected_add_ipv6 (ifp=0x8022e4a00, flags=2, addr=0x7fffffffe830, prefixlen=64 '@', label=0x0) at zebra/connected.c:526
#4  0x000000000041c660 in ifam_read (ifam=0x8022d4190) at zebra/kernel_socket.c:773
#5  0x000000000041189f in interface_list (zns=0x8022552a0) at zebra/if_sysctl.c:126
#6  0x00000000004340cb in zebra_ns_enable (ns_id=0, info=0x69d228) at zebra/zebra_ns.c:55
#7  0x0000000000434174 in zebra_ns_init () at zebra/zebra_ns.c:84
#8  0x00000000004205e1 in main (argc=1, argv=0x7fffffffeaa0) at zebra/main.c:307
(gdb) list
307             zebra_ns_init();
308
309             zebra_vty_init();
310             access_list_init();
311             prefix_list_init();
312     #if defined(HAVE_RTADV)
313             rtadv_cmd_init();
314     #endif
315     /* PTM socket */
316     #ifdef ZEBRA_PTM_SUPPORT
(gdb) up 0
#0  0x000000000040ec84 in connected_up (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:212
212             PREFIX_COPY(&p, CONNECTED_PREFIX(ifc));
(gdb) list
207             };
208
209             if (!CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL))
210                     return;
211
212             PREFIX_COPY(&p, CONNECTED_PREFIX(ifc));
213
214             /* Apply mask to the network. */
215             apply_mask(&p);
216
(gdb) bt full
#0  0x000000000040ec84 in connected_up (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:212
        afi = 0
        p = {family = 40 '(', prefixlen = 0 '\0', u = {prefix = 0 '\0', prefix4 = {s_addr = 0}, prefix6 = {__u6_addr = {__u6_addr8 = 0x7fffffffe618 "", __u6_addr16 = 0x7fffffffe618, 
        __u6_addr32 = 0x7fffffffe618}}, lp = {id = {s_addr = 0}, adv_router = {s_addr = 0}}, prefix_eth = {octet = 0x7fffffffe618 ""}, val = 0x7fffffffe618 "", ptr = 0, prefix_evpn = {
      route_type = 0 '\0', ip_prefix_length = 0 '\0', mac = {octet = 0x7fffffffe61a ""}, eth_tag = 36424832, ip = {ipa_type = 8, ip = {addr = 0 '\0', _v4_addr = {s_addr = 36588032}, 
          _v6_addr = {__u6_addr = {__u6_addr8 = 0x7fffffffe628 "", __u6_addr16 = 0x7fffffffe628, __u6_addr32 = 0x7fffffffe628}}}}}}}
        nh = {next = 0x0, prev = 0x0, ifindex = 13, type = NEXTHOP_TYPE_IFINDEX, flags = 0 '\0', {gate = {ipv4 = {s_addr = 0}, ipv6 = {__u6_addr = {__u6_addr8 = 0x7fffffffe524 "", 
          __u6_addr16 = 0x7fffffffe524, __u6_addr32 = 0x7fffffffe524}}}, bh_type = BLACKHOLE_UNSPEC}, src = {ipv4 = {s_addr = 0}, ipv6 = {__u6_addr = {__u6_addr8 = 0x7fffffffe534 "", 
        __u6_addr16 = 0x7fffffffe534, __u6_addr32 = 0x7fffffffe534}}}, rmap_src = {ipv4 = {s_addr = 0}, ipv6 = {__u6_addr = {__u6_addr8 = 0x7fffffffe544 "", 
        __u6_addr16 = 0x7fffffffe544, __u6_addr32 = 0x7fffffffe544}}}, resolved = 0x0, rparent = 0x0, nh_label_type = ZEBRA_LSP_NONE, nh_label = 0x0}
#1  0x000000000041035c in connected_announce (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:92
No locals.
#2  0x000000000040f51a in connected_update (ifp=0x8022e4a00, ifc=0x8022bcc80) at zebra/connected.c:197
        current = (struct connected *) 0x0
#3  0x000000000040fd69 in connected_add_ipv6 (ifp=0x8022e4a00, flags=2, addr=0x7fffffffe830, prefixlen=64 '@', label=0x0) at zebra/connected.c:526
        p = (struct prefix_ipv6 *) 0x8022bccb0
        ifc = (struct connected *) 0x8022bcc80
#4  0x000000000041c660 in ifam_read (ifam=0x8022d4190) at zebra/kernel_socket.c:773
        ifp = (struct interface *) 0x8022e4a00
        addr = {sa = {sa_len = 28 '\034', sa_family = 28 '\034', sa_data = 0x7fffffffe82a ""}, sin = {sin_len = 28 '\034', sin_family = 28 '\034', sin_port = 0, sin_addr = {s_addr = 0}, 
    sin_zero = 0x7fffffffe830 "þ\200"}, sin6 = {sin6_len = 28 '\034', sin6_family = 28 '\034', sin6_port = 0, sin6_flowinfo = 0, sin6_addr = {__u6_addr = {
        __u6_addr8 = 0x7fffffffe830 "þ\200", __u6_addr16 = 0x7fffffffe830, __u6_addr32 = 0x7fffffffe830}}, sin6_scope_id = 13}}
        mask = {sa = {sa_len = 28 '\034', sa_family = 28 '\034', sa_data = 0x7fffffffe80a ""}, sin = {sin_len = 28 '\034', sin_family = 28 '\034', sin_port = 0, sin_addr = {s_addr = 0}, 
    sin_zero = 0x7fffffffe810 "ÿÿÿÿÿÿÿÿ"}, sin6 = {sin6_len = 28 '\034', sin6_family = 28 '\034', sin6_port = 0, sin6_flowinfo = 0, sin6_addr = {__u6_addr = {
        __u6_addr8 = 0x7fffffffe810 "ÿÿÿÿÿÿÿÿ", __u6_addr16 = 0x7fffffffe810, __u6_addr32 = 0x7fffffffe810}}, sin6_scope_id = 0}}
        brd = {sa = {sa_len = 0 '\0', sa_family = 0 '\0', sa_data = 0x7fffffffe7ea ""}, sin = {sin_len = 0 '\0', sin_family = 0 '\0', sin_port = 0, sin_addr = {s_addr = 0}, 
    sin_zero = 0x7fffffffe7f0 ""}, sin6 = {sin6_len = 0 '\0', sin6_family = 0 '\0', sin6_port = 0, sin6_flowinfo = 0, sin6_addr = {__u6_addr = {__u6_addr8 = 0x7fffffffe7f0 "", 
        __u6_addr16 = 0x7fffffffe7f0, __u6_addr32 = 0x7fffffffe7f0}}, sin6_scope_id = 0}}
        ifname = 0x7fffffffe860 ""
        ifnlen = 0
        isalias = 0 '\0'
        flags = 2
#5  0x000000000041189f in interface_list (zns=0x8022552a0) at zebra/if_sysctl.c:126
        ref = 0x8022d3000 "à"
        buf = 0x8022d4190 "`"
        end = 0x8022d4238 ""
        bufsiz = 4664
        ifm = (struct if_msghdr *) 0x8022d4190
---Type <return> to continue, or q <return> to quit---
        mib = 0x7fffffffe8c0
#6  0x00000000004340cb in zebra_ns_enable (ns_id=0, info=0x69d228) at zebra/zebra_ns.c:55
        zns = (struct zebra_ns *) 0x8022552a0
#7  0x0000000000434174 in zebra_ns_init () at zebra/zebra_ns.c:84
No locals.
#8  0x00000000004205e1 in main (argc=1, argv=0x7fffffffeaa0) at zebra/main.c:307
        zserv_path = 0x0
        lblmgr_path = 0x0
        dummy = {ss_len = 0 '\0', ss_family = 0 '\0', __ss_pad1 = 0x7fffffffe9ca "", __ss_align = 1, __ss_pad2 = 0x7fffffffe9d8 "°êÿÿÿ\177"}
        dummylen = 32767

@mdtancsa
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mdtancsa commented May 31, 2018 •
edited by qlyoung

cat /var/tmp/quagga.zebra.crashlog

ZEBRA: Received signal 11 at 1527787680 (si_addr 0x20); aborting...
Backtrace for 5 stack frames:
0x8009075d4 <zlog_backtrace_sigsafe+0x44> at /usr/local/lib/libfrr.so.0
0x800906af6 <zlog_signal+0x496> at /usr/local/lib/libfrr.so.0
0x800927ed1 <signal_init+0x3b1> at /usr/local/lib/libfrr.so.0
0x8015f2954 <pthread_sigmask+0x544> at /lib/libthr.so.3
0x8015f1eb2 <pthread_getspecific+0xe12> at /lib/libthr.so.3
no thread information available

@mdtancsa mdtancsa mentioned this issue May 31, 2018
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@qlyoung qlyoung added the bug label Jun 19, 2018
@ocochard
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@mdtancsa Are you able to reproduce it with FRR 5.0 ? I didn't see this problem with my work-in-progress FRR 5.0 port, and because I didn't see any mention of this bug in the release notes and didn't understand why it didn't crash anymore.
My tests:

[root@router]~# uname -a
FreeBSD router.bsdrp.net 11.2-RELEASE FreeBSD 11.2-RELEASE  r335510M  amd64
[root@router]~# pkg info | grep frr
frr5-5.0                       IP routing protocol suite including BGP, IS-IS, OSPF and RIP
[root@router]~# ifconfig tun create
tun0
[root@router]~# ifconfig tun0 up
[root@router]~# service frr onestart
Starting zebra.
2018/06/29 11:48:02 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 11:48:02 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 11:48:02 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 11:48:02 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 11:48:02 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 11:48:02 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 11:48:02 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 11:48:02 warnings: ZEBRA: warning: connected_add_ipv6 called for interface tun0 with peer flag set, but no peer address supplied
2018/06/29 11:48:02 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 11:48:02 warnings: ZEBRA: Disabling MPLS support (no kernel support)
Starting ripd.
Starting ripngd.
Starting ospfd.
Starting ospf6d.
Starting bgpd.
Starting isisd.
Starting eigrpd.
Starting babeld.
[root@router]~# cli

Hello, this is FRRouting (version 5.0).
Copyright 1996-2005 Kunihiro Ishiguro, et al.

router.bsdrp.net# sh int tun0
Interface tun0 is up, line protocol is up
  Link ups:       1    last: 2018/06/29 11:48:02.02
  Link downs:     0    last: (never)
  PTM status: disabled
  vrf: Default-IP-Routing-Table
  index 4 metric 1 mtu 1500 speed 0
  flags: <UP,POINTOPOINT,RUNNING,MULTICAST>
  Type: PPP
  inet6 fe80::5a9c:fcff:fe01:1/64
  Interface Type Other
    input packets 0, bytes 0, dropped 0, multicast packets 0
    input errors 0
    output packets 0, bytes 0, multicast packets 0
    output errors 0
    collisions 0

@mdtancsa
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It starts up for me as well. I still get the all those warnings. Not sure if thats an issue or not, or there are other silent problems :( I built and tested using the default config instructions. I did notice a boat load of
../lib/frratomic.h:65:1: warning: "_Atomic" redefined
warnings

)# zebra -d -A127.0.0.1
2018/06/29 12:26:07 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 12:26:07 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 12:26:07 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 12:26:07 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 12:26:07 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 12:26:07 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 12:26:07 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 12:26:07 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 12:26:07 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 12:26:07 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 12:26:07 warnings: ZEBRA: ifam_read() doesn't read all socket data
2018/06/29 12:26:07 errors: ZEBRA: if_ioctl(SIOCGIFMEDIA) failed: Invalid argument
2018/06/29 12:26:07 warnings: ZEBRA: Disabling MPLS support (no kernel support)
0(cage)# bgpd -d -A127.0.0.1
2018/06/29 12:26:11 BGP: bgpd 5.0-MyOwnFRRVersion starting: vty@2605, bgp@:179
0(cage)# telnet localhost 2601
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.

Hello, this is FRRouting (version 5.0-MyOwnFRRVersion).
Copyright 1996-2005 Kunihiro Ishiguro, et al.

User Access Verification

Password:

@rwestphal
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I confirm this bug on 4.0:

   │200     /* Called from if_up(). */                                                                                                                                                                                                       │
   │201     void connected_up(struct interface *ifp, struct connected *ifc)                                                                                                                                                                  │
   │202     {                                                                                                                                                                                                                                │
   │203             afi_t afi;                                                                                                                                                                                                               │
   │204             struct prefix p;                                                                                                                                                                                                         │
   │205             struct nexthop nh = {                                                                                                                                                                                                    │
   │206                     .type = NEXTHOP_TYPE_IFINDEX, .ifindex = ifp->ifindex,                                                                                                                                                           │
   │207             };                                                                                                                                                                                                                       │
   │208                                                                                                                                                                                                                                      │
   │209             if (!CHECK_FLAG(ifc->conf, ZEBRA_IFC_REAL))                                                                                                                                                                              │
   │210                     return;                                                                                                                                                                                                          │
   │211                                                                                                                                                                                                                                      │
  >│212             PREFIX_COPY(&p, CONNECTED_PREFIX(ifc));                                                                                                                                                                                  │
   │213                                                                                                                                                                                                                                      │

On 5.x this crash is not happening. My guess it that one of these two commits fixed the problem: 60c0687 or f52d0a1. I need to leave now but I'll check once I get back home.

Regarding the warnings, they are harmless, but I'll try to find a way to silence them.

@rwestphal rwestphal mentioned this issue Jun 29, 2018
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#2590 should fix the problem. I also introduced a new commit to silence the SIOCGIFMEDIA warning. The other warning (ifam_read() doesn't read all socket data) deserves a bit more of attention, it's unclear to me why it's happening so I'll leave to investigate it later in more detail.

@pautiina
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@rwestphal have any news about:
ifam_read() doesn't read all socket data

@rzalamena rzalamena mentioned this issue Dec 5, 2018
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@pautiina please try my PR #3419 .

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pautiina commented Dec 6, 2018 •
edited

@rzalamena

Hello, this is FRRouting (version 6.1-dev-g9f2c1ff-dirty).
Copyright 1996-2005 Kunihiro Ishiguro, et al.

This is a git build of frr-6.1-dev-289-gc69f2c1ff-dirty
Associated branch(es):
        local:freebsd-route-warning-fix
        github/opensourcerouting/frr.git/freebsd-route-warning-fix
        github/opensourcerouting/frr.git/freebsd-route-warning-fix2

fixed

@rzalamena rzalamena mentioned this issue Dec 7, 2018
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@rzalamena @rwestphal @ocochard @qlyoung @pautiina @mdtancsa