Segfaults

Christian Ehrhardt christian.ehrhardt at canonical.com
Wed Jun 15 15:47:37 UTC 2016


Hi Tyler,
when an appliaction is crashing it should leave a .crash file in /var/crash
which stores debugging information.
Base on that you can automatically report a bug that has most of the info
to start with.
See https://help.ubuntu.com/community/ReportingBugs#Crash_reports for more.

If you want to look into it more yourself I'd recommend starting with
https://wiki.ubuntu.com/DebuggingProgramCrash
https://www.piware.de/2011/08/apport-retrace-made-useful/

Kind regards,
Christian

Christian Ehrhardt
Software Engineer, Ubuntu Server
Canonical Ltd

On Wed, Jun 15, 2016 at 3:55 PM, Tyler Petersen <tpetersen at xes-inc.com>
wrote:

> Hi everyone,
> We are currently experiencing some odd issues on our ubuntu servers
> (14.04). We
> keep seeing segfault messages for mdadm but we are not sure if they are a
> bug or
> a real problem. The servers are two completely different physical boxes.
> Both
> are running the 3.13.0-88-generic kernal and mdadm version
> 3.2.5-5ubuntu4.3.
> Here are the two most common errors we see: "[2201076.898901]
> mdadm[17298]:
> segfault at 8 ip 00007f3445891d16 sp 00007ffc2cd425f8 error 4 in
> libc-2.23.so[7f3445807000+1c0000]" and "[39304.894195] mdadm[17613]:
> segfault at
> 0 ip 00007fb29477cd16 sp 00007ffe8ce211d8 error 4 in
> libc-2.23.so[7fb2946f2000+1c0000]". Any help or advice would be greatly
> apperciated.
> Thanks,
> Tyler
>
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