Opened 8 years ago

Closed 8 years ago

#9711 closed Bug Report - Crash (Invalid)

segfault on frontend

Reported by: brian@… Owned by: markk
Priority: critical Milestone: unknown
Component: MythTV - Video Playback Version: 0.24-fixes
Severity: medium Keywords:
Cc: Ticket locked: no

Description

0.24-fixes (version: fixes/0.24 [v0.24-199-g5367795]) frontend has been acting up quite a bit lately. Today it crashed with a core dump (stack trace attached). I will also attach the frontend log for the evening before the crash.

Attachments (2)

ThreadStacktrace.txt (83.2 KB) - added by brian@… 8 years ago.
threaded stack trace
mythfrontend.log (68.6 KB) - added by brian@… 8 years ago.
frontend log

Download all attachments as: .zip

Change History (8)

Changed 8 years ago by brian@…

Attachment: ThreadStacktrace.txt added

threaded stack trace

comment:1 Changed 8 years ago by robertm

Status: newinfoneeded_new

Please update when you have a backtrace available, marking infoneeded for the time being.

Changed 8 years ago by brian@…

Attachment: mythfrontend.log added

frontend log

comment:2 Changed 8 years ago by robertm

Component: MythTV - GeneralMythTV - Video Playback
Owner: set to Janne Grunau
Status: infoneeded_newnew

Whoops, sorry, I had misread, I see that it's attached. Please read the ticket howto, however, as you should not set priority, severity, etc.

comment:3 Changed 8 years ago by robertm

Owner: changed from Janne Grunau to markk
Status: newassigned

comment:4 Changed 8 years ago by markk

Status: assignedinfoneeded

Can you please try and catch another crash but using 'mythfrontend -v playback' verbosity to capture the logs. The actual location of the crash in your first bt makes no sense, which suggests a memory corruption issue which could either be thread related (unlikely in this case) or an out of memory issue (which correlates with the VDPAU error messages you are seeing).

What video card and driver version are you using and how much memory does that card have? (There are certain recent versions of the NVidia driver that leak memory)

comment:5 in reply to:  4 Changed 8 years ago by brian@…

Replying to markk:

Can you please try and catch another crash but using 'mythfrontend -v playback' verbosity to capture the logs.

OK. I have enabled it. We just wait for a crash now.

What video card

ION in a Revo 1600.

and driver version are you using

(II) NVIDIA GLX Module 195.36.24 Thu Apr 22 10:38:29 PDT 2010

and how much memory does that card have?

256M. And I know where you are going to go but it's been running fine that way for probably more than a year now. I only watch SDTV.

(There are certain recent versions of the NVidia driver that leak memory)

As you can see by the version number, I have not updated that driver in quite a while. If it ain't broke, don't fix it and all. :-)

comment:6 Changed 8 years ago by robertm

Resolution: Invalid
Status: infoneededclosed

No log submitted (and for the record, our minimum supported GPU memory for VDPAU is still 512 MB IIRC)

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