[mythtv-users] Segfault on starting playback

Stephen Robertson stephengrobertson at gmail.com
Thu Aug 23 15:05:46 UTC 2012


On Thu, Aug 23, 2012 at 3:49 PM, Michael T. Dean
<mtdean at thirdcontact.com> wrote:
> On 08/23/2012 10:44 AM, Stephen Robertson wrote:
>
>> On Thu, Aug 23, 2012 at 3:02 PM, Michael T. Dean wrote:
>>>
>>> On 08/23/2012 07:40 AM, Stephen Robertson wrote:
>>>
>>>> On Thu, Aug 23, 2012 at 11:36 AM, Jean-Yves Avenard wrote:
>>>>>
>>>>> On Thursday, 23 August 2012, Stephen Robertson wrote:
>>>>>>
>>>>>> Any suggestions what I can look at?  I am guessing that this is really
>>>>>> a configuration/installation problem as no one else seems to be having
>>>>>> these issues.
>>>>>>
>>>>> No matter what your configuration is, myth should never crash..
>>>>>
>>>>> Create a backtrace and lodge a ticket:
>>>>> http://www.mythtv.org/docs/mythtv-HOWTO-22.html#ss22.2
>>>>>
>>>>> If you're using Ubuntu packages, there's a myth debug package you
>>>>> install
>>>>> so
>>>>> you don't have to recompile myth.
>>>>
>>>> I opened a ticket #11010 which was then closed when I thought the
>>>> problem had been resolved by left over libraries.  Should I open a new
>>>> ticket?
>>>
>>>
>>> Something is definitely wrong with the stack traces at the launchpad
>>> ticket
>>> ( https://bugs.launchpad.net/mythbuntu/+bug/1038746 ).  The
>>> Stacktrace.txt
>>> (which is supposed to be just the crashing thread) and
>>> ThreadStacktrace.txt
>>> (which is supposed to be all threads) don't match
>>> up--ThreadStacktrace.txt
>>> shows only one unimportant thread (as if it was created at some other
>>> time
>>> and is preventing creation of a new one?).
>>>
>>> We'll need better traces to be able to guess what's wrong.  See
>>> http://www.mythtv.org/wiki/Debugging for more info on debugging with
>>> *buntu,
>>> and you may need to talk with some *buntu users to get help fixing the
>>> data-collection mechanism they have.
>>>
>>> Mike
>>
>> I've just attempted to create a new trace following the wiki procedure
>> (I had tried the last time too, honest!!)  I also cleared out
>> /var/crash.
>>
>> It's on launchpad at https://bugs.launchpad.net/mythbuntu/+bug/1040687
>>
>> Is this any more useful?
>
>
> ThreadStacktrace.txt still seems broken.  I don't know anything about the
> mechanism, so won't be much help.  Perhaps someone else would have an idea?
>
>
> Mike

Looks to at least be some more information in this one, whether it is
correct or not I don't know

https://bugs.launchpad.net/mythbuntu/+bug/1040702

Thanks
Stephen


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