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error of modprobe jool from fragmentation branch in kernel 3.1.2 #72

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Yves-Messi opened this Issue Dec 11, 2013 · 2 comments

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Yves-Messi commented Dec 11, 2013

For some reasons, I want to test the fragmentation branch for sessions performance issue, but I met the following error:

[root@localhost mod]# modprobe jool
Segmentation fault
[root@localhost mod]#
Message from syslogd@localhost at Dec 11 11:43:07 ...
kernel:------------[ cut here ]------------

Message from syslogd@localhost at Dec 11 11:43:07 ...
kernel:invalid opcode: 0000 [#1] SMP

Message from syslogd@localhost at Dec 11 11:43:07 ...
kernel:Stack:

Message from syslogd@localhost at Dec 11 11:43:07 ...
kernel:Call Trace:

Message from syslogd@localhost at Dec 11 11:43:07 ...
kernel:Code: 7b 81 31 c0 e8 ed 48 39 00 e9 08 fc ff ff 48 8b 55 b8 48 c7 c6 60 12 62 81 48 c7 c7 f0 24 7b 81 31 c0 e8 cf 48 39 00 0f 0b eb fe <0f> 0b eb fe 48 8b 75 b8 48 c7 c7 70 25 7b 81 e8 b7 48 39 00 48
^C
[root@localhost mod]#

The "make" is ok, and I also try restart the PC, never help.

Thanks.

@ghost ghost assigned robertoaceves Dec 17, 2013

@ghost ghost assigned ydahhrk Jan 16, 2014

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ydahhrk commented Feb 4, 2014

Confirmed.
We could also duplicate it on 3.2.0-4, but not in 3.2.0-23.

ydahhrk added a commit that referenced this issue Feb 6, 2014

Looks like issue #72 is fixed.
The involved kernels seemed to struggle with the SLAB_POISON flag.
The flag is mostly for development purposes, so it doesn't make sense to leave
it on for the releases anyway.
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ydahhrk commented Feb 20, 2014

The solution was collapsed into the master branch. Closing.

@ydahhrk ydahhrk closed this Feb 20, 2014

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