Mailing List Archive: ivtv: users

Playback Freezes Occassionally

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moodyjunk at frontiernet

Sep 7, 2007, 9:33 PM

Post #1 of 3 (445 views)
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Playback Freezes Occassionally

Playback on PVR350 using TV-out works fine most of the time, but
occasionally the image freezes. Problem seems more prevalent when
pausing for extended periods of time (15 mins). Remote/keyboard input
seems to be "ignored"; actually command input seems to be processed at
one command every 10 mins or so, perhaps due to error processing. The
problem seems to be limited to the playback task; otherwise the box is
fully operational, with no apparent rogue tasks. Backend recordings
continue normally during the image freeze condition. Haven't found a
way to get out of the problem without reboot. Killing and restarting
frontend and backend doesn't seem to free it up.

Found similar reports in the archives, but no obvious solution. Any
pointers would be appreciated, either solutions or recovery.

Kernel 2.6.19-1
mythtv 0.20.2
ivtv 1.09.1

/var/log/messages shows the following at the time of the problem:

Sep 7 22:06:22 localhost kernel: ivtv0 warning: 1000 ms time out
waiting for fi
rmware
Sep 7 22:06:22 localhost kernel: ivtv0 warning: Failed api call
0x00000015 with
result 0xfffffff0
Sep 7 22:06:22 localhost kernel: ivtv0 warning: DEC: couldnt read clock
Sep 7 22:06:32 localhost kernel: ivtv0 warning: 1000 ms time out
waiting for fi
rmware
Sep 7 22:06:32 localhost kernel: ivtv0 warning: Failed api call
0x00000017 with
result 0xfffffff0
Sep 7 22:06:33 localhost kernel: ivtv0 warning: 100 ms time out
waiting for fir
mware
Sep 7 22:06:33 localhost kernel: ivtv0 warning: Failed api call
0x00000002 with
result 0xfffffff0
Sep 7 22:06:33 localhost kernel: ivtv0 warning: Error stopping decoding
Sep 7 22:06:44 localhost kernel: ivtv0 warning: 1000 ms time out
waiting for fi
rmware
Sep 7 22:06:44 localhost kernel: ivtv0 warning: Failed api call
0x00000015 with
result 0xfffffff0

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moodyjunk at frontiernet

Sep 17, 2007, 10:57 AM

Post #2 of 3 (396 views)
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Playback Freezes Occassionally [In reply to]

Anybody have any ideas about this?

> Playback on PVR350 using TV-out works fine most of the time, but
> occasionally the image freezes. Problem seems more prevalent when
> pausing for extended periods of time (15 mins). Remote/keyboard
> input seems to be "ignored"; actually command input seems to be
> processed at one command every 10 mins or so, perhaps due to error
> processing. The problem seems to be limited to the playback task;
> otherwise the box is fully operational, with no apparent rogue
> tasks. Backend recordings continue normally during the image
> freeze condition. Haven't found a way to get out of the problem
> without reboot. Killing and restarting frontend and backend
> doesn't seem to free it up.
>
> Found similar reports in the archives, but no obvious solution. Any
> pointers would be appreciated, either solutions or recovery.
>
> Kernel 2.6.19-1
> mythtv 0.20.2
> ivtv 1.09.1
>
> /var/log/messages shows the following at the time of the problem:
>
> Sep 7 22:06:22 localhost kernel: ivtv0 warning: 1000 ms time out
> waiting for firmware
> Sep 7 22:06:22 localhost kernel: ivtv0 warning: Failed api call
> 0x00000015 with result 0xfffffff0
> Sep 7 22:06:22 localhost kernel: ivtv0 warning: DEC: couldnt read clock
> Sep 7 22:06:32 localhost kernel: ivtv0 warning: 1000 ms time out
> waiting for firmware
> Sep 7 22:06:32 localhost kernel: ivtv0 warning: Failed api call
> 0x00000017 with result 0xfffffff0
> Sep 7 22:06:33 localhost kernel: ivtv0 warning: 100 ms time out
> waiting for firmware
> Sep 7 22:06:33 localhost kernel: ivtv0 warning: Failed api call
> 0x00000002 with result 0xfffffff0
> Sep 7 22:06:33 localhost kernel: ivtv0 warning: Error stopping decoding
> Sep 7 22:06:44 localhost kernel: ivtv0 warning: 1000 ms time out
> waiting for firmware
> Sep 7 22:06:44 localhost kernel: ivtv0 warning: Failed api call
> 0x00000015 with result 0xfffffff0

----- End forwarded message -----

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sander.sweers at gmail

Sep 18, 2007, 9:40 AM

Post #3 of 3 (393 views)
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Re: Playback Freezes Occassionally [In reply to]

On 9/17/07, moodyjunk[at]frontiernet.net <moodyjunk[at]frontiernet.net> wrote:
> > Playback on PVR350 using TV-out works fine most of the time, but
> > occasionally the image freezes. Problem seems more prevalent when
> > pausing for extended periods of time (15 mins). Remote/keyboard
> > input seems to be "ignored"; actually command input seems to be
> > processed at one command every 10 mins or so, perhaps due to error
> > processing. The problem seems to be limited to the playback task;
> > otherwise the box is fully operational, with no apparent rogue
> > tasks. Backend recordings continue normally during the image
> > freeze condition. Haven't found a way to get out of the problem
> > without reboot. Killing and restarting frontend and backend
> > doesn't seem to free it up.
> >
> > Kernel 2.6.19-1
> > mythtv 0.20.2
> > ivtv 1.09.1

I think you meant to write ivtv 0.10.1? If it is then you will want to
upgrade to ivtv-0.10.5. I am not sure this will fix the problems but
it is worth a try.

> > /var/log/messages shows the following at the time of the problem:
> >
> > Sep 7 22:06:22 localhost kernel: ivtv0 warning: 1000 ms time out
> > waiting for firmware
> > Sep 7 22:06:22 localhost kernel: ivtv0 warning: Failed api call
> > 0x00000015 with result 0xfffffff0
> > Sep 7 22:06:22 localhost kernel: ivtv0 warning: DEC: couldnt read clock
> > Sep 7 22:06:32 localhost kernel: ivtv0 warning: 1000 ms time out
> > waiting for firmware
> > Sep 7 22:06:32 localhost kernel: ivtv0 warning: Failed api call
> > 0x00000017 with result 0xfffffff0
> > Sep 7 22:06:33 localhost kernel: ivtv0 warning: 100 ms time out
> > waiting for firmware
> > Sep 7 22:06:33 localhost kernel: ivtv0 warning: Failed api call
> > 0x00000002 with result 0xfffffff0
> > Sep 7 22:06:33 localhost kernel: ivtv0 warning: Error stopping decoding
> > Sep 7 22:06:44 localhost kernel: ivtv0 warning: 1000 ms time out
> > waiting for firmware
> > Sep 7 22:06:44 localhost kernel: ivtv0 warning: Failed api call
> > 0x00000015 with result 0xfffffff0

Second thing to try is the ivtv 0.10 from svn [1]. It has some dma
fixes that have not made it into a release yet.

Greets
Sander

[1] http://ivtvdriver.org/viewcvs/ivtv/branches/0.10.tar.gz?view=tar

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