Segfaults

[Tyler Petersen]

Hi everyone, 

I am still having problems with this. I made sure apport was running and the /var/crash directory exists. But when 
a segfault happens nothing is written to the directory. The segfaults also seem to come and go. 

Thanks, 

Tyler 

----- Original Message -----

From: "Christian Ehrhardt" <christian.ehrhardt at canonical.com> 
To: "Tyler Petersen" <tpetersen at xes-inc.com> 
Cc: "ubuntu-server" <ubuntu-server at lists.ubuntu.com> 
Sent: Wednesday, June 15, 2016 10:47:37 AM 
Subject: Re: Segfaults 

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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