Client Fails with Signal 11 upon start

[pupper68k]

Nextcloud desktop client crashes after logging back in to my nextcloud server

Expected behaviour

Nextcloud client should log into my server and begin syncing files

Actual behaviour

Client dies, showing stack trace in terminal

Steps to reproduce

1. open nextcloud client
2. input user, pass.
3. look at pretty hexadecimal values in stacktrace

Client configuration

Client version: 2.5.1

Operating system: Linux, Opensuse Tumbleweed

OS language: en_US.UTF-8

Qt version used by client package (Linux only, see also Settings dialog): 5.12

Client package (From Nextcloud or distro) (Linux only): Distro

Installation path of client:

$ whereis nextcloud
nextcloud: /usr/bin/nextcloud /usr/lib64/nextcloud /usr/share/nextcloud

Logs

Please use Gist (https://gist.github.com/) or a similar code paster for longer
logs.

Template for output < 10 lines

1. Client logfile: Output of nextcloud --logwindow or nextcloud --logfile log.txt
   (On Windows using cmd.exe, you might need to first cd into the Nextcloud directory)
   (See also https://docs.nextcloud.com/desktop/2.3/troubleshooting.html#log-files)

https://gist.github.com/pupper68k/b80be55c911301efab4e348a8d9f32e7

Crash causes stacktrace, all are different, except in that application is given signal 11, which is sometimes SEGV_MAPPER, sometimes SEGV_ACCERR, and sometimes "unknown"

Here are a few examples:

Received signal 11 SEGV_ACCERR 55739c959460
#0 0x7f5ce1d800ce <unknown>
#1 0x7f5ce1d7ef73 <unknown>
#2 0x7f5ce1d80045 <unknown>
#3 0x7f5cdaf98110 <unknown>
#4 0x55739c959460 ([heap]+0x2bd345f)
  r8: 000055739c8ff920  r9: 0000000000000003 r10: 0000000000000000 r11: 0000000000000000
 r12: 00007ffc07428bf0 r13: 00007ffc07428c10 r14: 0000000000000001 r15: 000055739c9564b0
  di: 000055739c9564b0  si: 000055739c8ff920  bp: 00007ffc07428bc0  bx: 00007f5c9c01a300
  dx: 000055739c9564c0  ax: 000055739c959410  cx: 000055739c9564c0  sp: 00007ffc07428b78
  ip: 000055739c959460 efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000015
 trp: 000000000000000e msk: 0000000000000000 cr2: 000055739c959460
[end of stack trace]
Calling _exit(1). Core file will not be generated.

Received signal 11 <unknown> 000000000000
#0 0x7fed291b80ce <unknown>
#1 0x7fed291b6f73 <unknown>
#2 0x7fed291b8045 <unknown>
#3 0x7fed223d0110 <unknown>
#4 0x7fed22bb8583 <unknown>
#5 0x7fed2916c68a <unknown>
#6 0x7fed2916c84f <unknown>
#7 0x7fed28b0349c <unknown>
#8 0x7fed28b035c5 <unknown>
#9 0x7fed28b03a6f <unknown>
#10 0x7fed28e3a47f <unknown>
#11 0x7fed28e48a6a <unknown>
#12 0x7fed28c65589 <unknown>
#13 0x7fed28c65751 <unknown>
#14 0x7fed28c6c337 <unknown>
#15 0x7fed28c6c551 <unknown>
#16 0x7fed28c4e191 <unknown>
#17 0x7fed28c70df4 <unknown>
#18 0x7fed28c70f59 <unknown>
#19 0x7fed28d3ff45 <unknown>
#20 0x7fed2911ad33 <unknown>
#21 0x7fed291412da <unknown>
#22 0x7fed2914199f <unknown>
#23 0x7fed29141b28 <unknown>
#24 0x7fed2757e9a4 <unknown>
#25 0x7fed22f3d91b QObject::event()
#26 0x7fed23904591 QApplicationPrivate::notify_helper()
#27 0x7fed2390bb50 QApplication::notify()
#28 0x7fed22f13359 QCoreApplication::notifyInternal2()
#29 0x7fed22f16357 QCoreApplicationPrivate::sendPostedEvents()
#30 0x7fed22f68263 <unknown>
#31 0x7fed2e23ec15 g_main_context_dispatch
#32 0x7fed2e23efd8 <unknown>
#33 0x7fed2e23f06c g_main_context_iteration
#34 0x7fed22f67873 QEventDispatcherGlib::processEvents()
#35 0x7fed22f1202b QEventLoop::exec()
#36 0x7fed22f1a192 QCoreApplication::exec()
#37 0x55d6b69bc6bc main
#38 0x7fed223bafeb __libc_start_main
#39 0x55d6b69bcb7a _start
  r8: 0000000000000001  r9: 0000000000000003 r10: 0000000000000000 r11: 0000000000000000
 r12: 000055d6b7df09e0 r13: 000055d6b7c1e1a0 r14: 00007fed2c51dda0 r15: 00007fff168b24b8
  di: 000055d6b7c1e1a0  si: 000055d6b7df09e0  bp: 00007fff168b2440  bx: 000055d6b7c1e1a0
  dx: 3ff0000000000000  ax: 3ff0000000000000  cx: 000055d6b73e4020  sp: 00007fff168b2428
  ip: 00007fed22bb8583 efl: 0000000000010206 cgf: 002b000000000033 erf: 0000000000000000
 trp: 000000000000000d msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]

Received signal 11 SEGV_MAPERR 000000000000
#0 0x7f218a19e0ce <unknown>
#1 0x7f218a19cf73 <unknown>
#2 0x7f218a19e045 <unknown>
#3 0x7f21833b6110 <unknown>
  r8: 00005581fe1e0fb0  r9: 0000000000000003 r10: 0000000000000000 r11: 0000000000000000
 r12: 00007fffd5a6c480 r13: 00007fffd5a6c4a0 r14: 0000000000000001 r15: 00005581fe11e820
  di: 00005581fe11e820  si: 00005581fe1e0fb0  bp: 00007fffd5a6c450  bx: 00007f2134003340
  dx: 00005581fe11e830  ax: 00005581fdfc4b40  cx: 00005581fe11e830  sp: 00007fffd5a6c408
  ip: 0000000000000000 efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000014
 trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000000
[end of stack trace]
Calling _exit(1). Core file will not be generated.

[caugner]

I just got the same error:

Jan 22 20:49:11 nix nextcloud.desktop[1962]: Received signal 11 SEGV_MAPERR 000000000000
Jan 22 20:49:11 nix nextcloud.desktop[1962]: #0 0x7fe0f4f06f2e <unknown>
Jan 22 20:49:11 nix nextcloud.desktop[1962]: #1 0x7fe0f4f073da <unknown>
Jan 22 20:49:11 nix nextcloud.desktop[1962]: #2 0x7fe0f4f07925 <unknown>
Jan 22 20:49:11 nix nextcloud.desktop[1962]: #3 0x7fe0eb705c20 <unknown>
Jan 22 20:49:11 nix nextcloud.desktop[1962]:   r8: 0000000000000001  r9: 0000558a117e69c0 r10: 0000000000000000 r11: 0000000000000000
Jan 22 20:49:11 nix nextcloud.desktop[1962]:  r12: 0000558a1ac03bd0 r13: 00007ffcdcfd04c0 r14: 00007ffcdcfd04e0 r15: 0000000000000001
Jan 22 20:49:11 nix nextcloud.desktop[1962]:   di: 0000558a1ac03bd0  si: 0000558a117e69c0  bp: 00007ffcdcfd0490  bx: 0000000000000000
Jan 22 20:49:11 nix nextcloud.desktop[1962]:   dx: 0000558a1ac03be0  ax: 0000558a18135cd0  cx: 0000558a1ac03be0  sp: 00007ffcdcfd0448
Jan 22 20:49:11 nix nextcloud.desktop[1962]:   ip: 0000000000000000 efl: 0000000000010202 cgf: 002b000000000033 erf: 0000000000000014
Jan 22 20:49:11 nix nextcloud.desktop[1962]:  trp: 000000000000000e msk: 0000000000000000 cr2: 0000000000000000
Jan 22 20:49:11 nix nextcloud.desktop[1962]: [end of stack trace]
Jan 22 20:49:11 nix nextcloud.desktop[1962]: Calling _exit(1). Core file will not be generated.

[camilasan]

Hi, Could you try to run the most recent desktop client and server to check if you still have this issue? The latest version can be seen by checking https://nextcloud.com/install/#install-clients and https://nextcloud.com/install/#instructions-server respectively.

If you still have this problem with the latest desktop client, please re-open the issue.

Thanks!