Mailing List Archive: MythTV: Dev

mythfrontend segfault

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bradd at ameri

Dec 10, 2009, 6:04 PM

Post #1 of 6 (1408 views)
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mythfrontend segfault

i am running trunk r22973 on fedora 12 with kernel 2.6.31.6-162.fc12.x86_64 and getting a segfault when launching mythfrontend.
I have followed the steps in http://www.mythtv.org/docs/mythtv-HOWTO-22.html and have captured a gdb trace. it is attached.
this happens on multiple fedora 12 systems both i686 and x86_64. my osx frontend is working fine however so this appears
to be either linux specific or specific to my system(s)/configuration. can anyone point me in the right direction?

Thanks,
-b

Attachments:

gdb.txt (14.9 KB)

bradd at ameri

Dec 10, 2009, 6:16 PM

Post #2 of 6 (1323 views)
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Re: mythfrontend segfault [In reply to]

On Dec 10, 2009, at 9:04 PM, brad dreisbach wrote:

> i am running trunk r22973 on fedora 12 with kernel 2.6.31.6-162.fc12.x86_64 and getting a segfault when launching mythfrontend.
> I have followed the steps in http://www.mythtv.org/docs/mythtv-HOWTO-22.html and have captured a gdb trace. it is attached.
> this happens on multiple fedora 12 systems both i686 and x86_64. my osx frontend is working fine however so this appears
> to be either linux specific or specific to my system(s)/configuration. can anyone point me in the right direction?
>

i have a core file as well if its needed for debugging. its too big to send to the mailing list, but I can upload it somewhere
if necessary.

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mtdean at thirdcontact

Dec 10, 2009, 6:46 PM

Post #3 of 6 (1323 views)
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Re: mythfrontend segfault [In reply to]

On 12/10/2009 09:04 PM, brad dreisbach wrote:
> i am running trunk r22973 on fedora 12 with kernel 2.6.31.6-162.fc12.x86_64 and getting a segfault when launching mythfrontend.
> I have followed the steps in http://www.mythtv.org/docs/mythtv-HOWTO-22.html and have captured a gdb trace. it is attached.
> this happens on multiple fedora 12 systems both i686 and x86_64. my osx frontend is working fine however so this appears
> to be either linux specific or specific to my system(s)/configuration. can anyone point me in the right direction?

Out of curiosity, do you get the crash if you do:

export QT_NO_GLIB=1 ; mythfrontend

Mike
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bradd at ameri

Dec 10, 2009, 7:36 PM

Post #4 of 6 (1304 views)
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Re: mythfrontend segfault [In reply to]

On Dec 10, 2009, at 9:46 PM, Michael T. Dean wrote:

> On 12/10/2009 09:04 PM, brad dreisbach wrote:
>> i am running trunk r22973 on fedora 12 with kernel 2.6.31.6-162.fc12.x86_64 and getting a segfault when launching mythfrontend.
>> I have followed the steps in http://www.mythtv.org/docs/mythtv-HOWTO-22.html and have captured a gdb trace. it is attached.
>> this happens on multiple fedora 12 systems both i686 and x86_64. my osx frontend is working fine however so this appears
>> to be either linux specific or specific to my system(s)/configuration. can anyone point me in the right direction?
>
> Out of curiosity, do you get the crash if you do:
>
> export QT_NO_GLIB=1 ; mythfrontend
>

responding to the list this time...

yes, i still get the crash.
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bradd at ameri

Dec 10, 2009, 7:53 PM

Post #5 of 6 (1306 views)
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Re: mythfrontend segfault [In reply to]

On Dec 10, 2009, at 10:36 PM, brad dreisbach wrote:

>
> On Dec 10, 2009, at 9:46 PM, Michael T. Dean wrote:
>
>> On 12/10/2009 09:04 PM, brad dreisbach wrote:
>>> i am running trunk r22973 on fedora 12 with kernel 2.6.31.6-162.fc12.x86_64 and getting a segfault when launching mythfrontend.
>>> I have followed the steps in http://www.mythtv.org/docs/mythtv-HOWTO-22.html and have captured a gdb trace. it is attached.
>>> this happens on multiple fedora 12 systems both i686 and x86_64. my osx frontend is working fine however so this appears
>>> to be either linux specific or specific to my system(s)/configuration. can anyone point me in the right direction?
>>
>> Out of curiosity, do you get the crash if you do:
>>
>> export QT_NO_GLIB=1 ; mythfrontend
>>
>
> responding to the list this time...
>
> yes, i still get the crash.

downgrading gcc seems to have fixed the problem.

downgraded from gcc-4.4.2-14->gcc-4.4.2-7
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myshade at bredband

Dec 12, 2009, 12:02 PM

Post #6 of 6 (1270 views)
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Re: mythfrontend segfault [In reply to]

On Thu, 2009-12-10 at 21:04 -0500, brad dreisbach wrote:
> i am running trunk r22973 on fedora 12 with kernel 2.6.31.6-162.fc12.x86_64 and getting a segfault when launching mythfrontend.
> I have followed the steps in http://www.mythtv.org/docs/mythtv-HOWTO-22.html and have captured a gdb trace. it is attached.
> this happens on multiple fedora 12 systems both i686 and x86_64. my osx frontend is working fine however so this appears
> to be either linux specific or specific to my system(s)/configuration. can anyone point me in the right direction?
>
> Thanks,
> -b
>
> _______________________________________________
> mythtv-dev mailing list
> mythtv-dev [at] mythtv
> http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-dev

I too had mythfrontend segfaults from a month back. Found this tread
when googling my BT outputs.
Diffrent scenario tho. mythfrontend launch fine, but when entering
mythvideo, gallery, news and perhaps other plugins (not music),
mythfrontend would segfault with similar gdb trace patterns.

Tried downgrade gcc, but all the same.

Then i did a rough delete of everything beside database, sources,
~/.mythtv, config_stuff.
Compiled and everything is fine again.. Makes me think there was some
old headers lying around not being updated...

I had this fe/be following trunk for about 3 years.
This was on uptodate gentoo amd64.

If you had previous installs on this, it does not hurt doing some
cleanups, if knowing what to delete.

/Fredrik

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