[mythtv-users] Strange recording and playback issues after crash

Steve Adeff adeffs at gmail.com
Thu Jan 5 03:56:01 UTC 2006


On Wednesday 04 January 2006 19:37, Bruce J Keeler wrote:
> A few days ago, my myth system suffered a power loss.  Ever since, it
> has been suffering from two problems.  Recorded programs have chunks
> dropped, and lots of the following errors get logged:
>
>         Jan  2 16:01:19 localhost kernel: ivtv: ENC IRQ OVERFLOW: #0
>         Stealing a Buffer, 2048 currently allocated
>
> List archives suggest that this is due to mythbackend not reading the
> data from the PVR250 fast enough, but don't suggest any reason why that
> would be the case, though one suggested fscking the recordings partition
> which I did to no avail.  A SMART self-test ran without errors.  A
> bonnie++ run seemed to indicate reasonable disk performance.
>
> When playing back programs (even programs that recorded prior to the
> power loss event), I get some odd behavior while skipping ahead and
> back.  The total program time varies, sometimes by a few seconds,
> sometimes by outrageous amounts (e.g. something like 768:45:22 might be
> displayed for program length).  The skip takes a second or two to
> complete, and the picture stutters and goes all pixelly.  Pre-crash,
> skips were always instantaneous.
>
> Recording is via a PVR250, playback is through X on an FX5200.  Hardware
> and software configuration has not been touched for ages.
>
> Linux mythbox 2.6.12-20050717 #3 Thu Sep 1 18:53:47 PDT 2005 i686
> GNU/Linux
> Jan  1 14:15:06 localhost kernel: ivtv: version 0.2.0 (rc3j) loading
> CPU: AMD Athlon(tm) XP 2600+ stepping 00
> 512MB memory.
>
> Can anyone suggest what to look for here?

is your db healthy? is the drive your db on healthy? I was having some major 
issues, turns out the drive my db was on is in its death throws (sp?) and 
once I moved the db to my file server everything was snappy and good again.

-- 
Steve


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