[mythtv-users] excessive crashing of 0.22 backend

Michael T. Dean mtdean at thirdcontact.com
Fri Jan 8 02:35:24 UTC 2010


On 01/07/2010 08:56 PM, Ronald Frazier wrote:
>> Like you, my -v all debug messages didn't produce anything that indicated an
>> error.  However, I ran
>>
>> dmesg | grep -i myth
>>     
> Well, what do you know:
>
> [74738.191608] mythbackend[3431]: segfault at 450000 ip b540213a sp
> a94f7d80 error 6 in libQtCore.so.4.4.3[b529b000+224000]
> [74875.029243] mythbackend[30435]: segfault at 54 ip b545313a sp
> a96f6d80 error 6 in libQtCore.so.4.4.3[b52ec000+224000]
>   
...
> Not sure what that tells me exactly...is it a qt bug? myth passing a
> bad parameter to qt? problem with one of qt's dependencies?
>   

Couldn't really say without a backtrace.  Any chance you can get a bt
with MythTV debug symbols?  If you don't want to run your production
backend under gdb, you could set up the system to write a core file and
run gdb on that.

http://www.mythtv.org/wiki/Debugging

Mike


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