cx18-0: Could not find buf 90 for stream TS

["Brian J. Murrell" <brian@interlinx.bc.ca>]

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[ Apologies if this ends up as a duplicate post but my first posting
  (via gmane) a couple of hours ago is still not on the list ]

I have an HVR-1600 on a 2.6.32[-33 Ubuntu] kernel (modinfo says the
cx18 driver is version 1.2.0 with srcversion "DBC252062593953C879E266")
which I have MythTV driving.  Last night a number of recordings from
the analog tuner failed.  The first failure correlates to the following
in the kernel log:

Jan 17 20:30:34 pvr kernel: [565436.263521] cx18-0: Could not find buf 90 for stream TS
Jan 17 20:30:34 pvr kernel: [565436.610052] cx18-0: Skipped TS, buffer 83, 19 times - it must have dropped out of rotation
Jan 17 20:30:35 pvr kernel: [565437.360282] cx18-0: Could not find buf 50 for stream encoder MPEG
Jan 17 20:30:35 pvr kernel: [565438.072959] cx18-0: Skipped encoder MPEG, buffer 33, 61 times - it must have dropped out of rotation
Jan 17 20:30:36 pvr kernel: [565438.537061] cx18-0: Skipped TS, buffer 67, 19 times - it must have dropped out of rotation
Jan 17 20:30:36 pvr kernel: [565438.590691] cx18-0: Skipped encoder MPEG, buffer 49, 55 times - it must have dropped out of rotation
Jan 17 20:30:38 pvr kernel: [565440.265314] cx18-0: Could not find buf 81 for stream encoder MPEG
Jan 17 20:30:38 pvr kernel: [565440.780971] cx18-0: Skipped TS, buffer 68, 19 times - it must have dropped out of rotation
Jan 17 20:30:39 pvr kernel: [565441.705943] cx18-0: Skipped encoder MPEG, buffer 41, 42 times - it must have dropped out of rotation
Jan 17 20:32:01 pvr kernel: [565523.657123] cx18-0: Skipped encoder MPEG, buffer 6, 62 times - it must have dropped out of rotation
Jan 17 20:32:18 pvr kernel: [565540.248743] cx18-0: Skipped encoder MPEG, buffer 62, 62 times - it must have dropped out of rotation
Jan 17 20:32:19 pvr kernel: [565541.337101] cx18-0: Could not find buf 35 for stream encoder MPEG
Jan 17 20:32:19 pvr kernel: [565541.862825] cx18-0: Skipped TS, buffer 73, 19 times - it must have dropped out of rotation
Jan 17 20:32:19 pvr kernel: [565541.975030] cx18-0: Skipped TS, buffer 82, 16 times - it must have dropped out of rotation
Jan 17 20:32:20 pvr kernel: [565543.105033] cx18-0: Unable to find blank work order form to schedule incoming mailbox command processing
Jan 17 20:32:21 pvr kernel: [565543.595668] cx18-0: Skipped encoder MPEG, buffer 34, 44 times - it must have dropped out of rotation
Jan 17 20:32:24 pvr kernel: [565546.512745] cx18-0: ignoring gop_end: not (yet?) supported by the firmware

At the same time as the analog recording a digital recording stopped
(very) short of completing with only having captured 36MB.

Beyond that, MythTV reports:

2012-01-17 21:00:06.286397 W [2451/3732] RecThread mpegrecorder.cpp:1358 (StartEncoding) - MPEGRec(/dev/video1): StartEncoding failed
                        eno: Input/output error (5)
...
2012-01-17 22:00:05.774512 W [2451/4335] RecThread mpegrecorder.cpp:1358 (StartEncoding) - MPEGRec(/dev/video1): StartEncoding failed
                        eno: Input/output error (5)

But ultimately all further recordings (both analog and digital) from
that card failed.

Any ideas what happened?  I can leave this machine as is for a few
hours in case anyone wants any information from it before I reboot it.

Cheers,
b.




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