[ tvtime-Bugs-963657 ] tvtime freezes

Bugs item #963657, was opened at 2004-05-31 09:04
Message generated for change (Comment added) made by nobody
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Category: OSD/Interface
Group: Open bugs in CVS tvtime
Status: Open
Resolution: None
Priority: 5
Submitted By: Timo Nentwig (timonentwig)
Assigned to: Billy Biggs (vektor)
Summary: tvtime freezes

Initial Comment:
After some time tvtime freezes without any reason and without any message. 
Maybe when the screen saver would become active but I'm not sure.

I run tvtune 0.9.12 on SuSE9.1.

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Comment By: Nobody/Anonymous (nobody)
Date: 2004-06-02 12:29

Message:
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Well, since I chmod 666 /dev/rtc it did not freeze no more. If it will crash, 
I'll post it here. 

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Comment By: Corey Quilliam (cquilliam)
Date: 2004-06-01 05:30

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Try running tvtime from a console window until it crashes,
then check to see if there is any console output.

If not, try running it through gdb to backtrace what is
causing the crash.  I used to get these before and it was
caused by my xml installation, i'm not saying that this is
likely the cause, however, gdb revealed that for me.

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Comment By: Billy Biggs (vektor)
Date: 2004-05-31 11:26

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If you don't use /dev/rtc, we use usleep() with this code:

 if( performance_get_usecs_since_frame_acquired( perf ) <
fieldtime ) {
    usleep( fieldtime -
performance_get_usecs_since_frame_acquired( perf ) );
}

So, if somehow the usecs since the frame was acquired was
negative, then this would cause that to sleep forever.  I
don't see anywhere in the code that this could possibly
happen though, unless by some memory being corrupted somehow
through another bug.  If you want to put a fprintf in there
if the value is negative to make sure this is the case it
might confirm, but even if this is what is happening I don't
think it would get us any closer to solving the bug.

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Comment By: Timo Nentwig (timonentwig)
Date: 2004-05-31 11:17

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Could it have to do with /dev/rtc? I just chmod 666 /dev/rtc and it did not 
happen again...yet.

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Comment By: Timo Nentwig (timonentwig)
Date: 2004-05-31 09:48

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Nope, tvtime print no message at all when running from a shell. I'm nut sure 
whether it only stop updating the display (I now ran for a while without 
actually freezing so I couldn't check whether it still responds to key strokes 
but as far as i remember it does not).


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Comment By: Billy Biggs (vektor)
Date: 2004-05-31 09:36

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user_id=153320

I cannot think of anything that would cause this.  Does it
just stop updating the display?  Does hitting escape to quit
work?  If you run   tvtime from a console and let it occur,
are there any messages printed?

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