Hi Brian, See my comments below. On Wed, Nov 28, 2012 at 8:19 PM, Brian J. Murrell <brian@xxxxxxxxxxxxxxx> wrote: > On 12-11-28 08:13 AM, Ezequiel Garcia wrote: >> >> Try again with >> modprobe ivtv ivtv_debug=10 > > OK. Happened again. The kernel log for the whole day since starting > the module with debug this morning can be found at > http://brian.interlinx.bc.ca/ivtv-dmesg.txt.bz2. > > Associated with that log there was a successful recording from 09:00:00 > until 10:00:00 then another successful recording from 14:00:00 until > 15:00:00 and then failed recordings starting at 15:00:00 until 18:00:00. > > The log cuts off just short of 18:00:00 but there's nothing different > about the pattern from the end of the log until 18:00:04 from the > previous 3 hours or so. > > It seems that the problem lies in amongst the start of these lines from > the log, as my best guess: > > Nov 28 15:00:05 cmurrell kernel: [868297.536049] ivtv0 encoder MPG: VIDIOC_ENCODER_CMD cmd=0, flags=0 > Nov 28 15:00:07 cmurrell kernel: [868300.039324] ivtv0: ioctl: V4L2_ENC_CMD_STOP > Nov 28 15:00:07 cmurrell kernel: [868300.039330] ivtv0: info: close stopping capture > Nov 28 15:00:07 cmurrell kernel: [868300.039334] ivtv0: info: Stop Capture > Nov 28 15:00:09 cmurrell kernel: [868302.140151] ivtv0 encoder MPG: VIDIOC_ENCODER_CMD cmd=1, flags=1 > Nov 28 15:00:09 cmurrell kernel: [868302.148093] ivtv0: ioctl: V4L2_ENC_CMD_START > Nov 28 15:00:09 cmurrell kernel: [868302.148101] ivtv0: info: Start encoder stream encoder MPG > Nov 28 15:00:09 cmurrell kernel: [868302.188580] ivtv0: info: Setup VBI API header 0x0000bd03 pkts 1 buffs 4 ln 24 sz 1456 > Nov 28 15:00:09 cmurrell kernel: [868302.188655] ivtv0: info: Setup VBI start 0x002fea04 frames 4 fpi 1 > Nov 28 15:00:09 cmurrell kernel: [868302.191952] ivtv0: info: PGM Index at 0x00180150 with 400 elements > Nov 28 15:00:10 cmurrell kernel: [868302.544052] ivtv0 encoder MPG: VIDIOC_ENCODER_CMD cmd=0, flags=0 > Nov 28 15:00:12 cmurrell kernel: [868305.047260] ivtv0: ioctl: V4L2_ENC_CMD_STOP > Nov 28 15:00:12 cmurrell kernel: [868305.047265] ivtv0: info: close stopping capture > Nov 28 15:00:12 cmurrell kernel: [868305.047270] ivtv0: info: Stop Capture > ... > > FWIW, the recording software here is MythTV completely up to date on the > 0.25-fixes branch. > > Thoughts? > Mmm, the log shows this repeating pattern: --- Nov 28 17:54:46 cmurrell kernel: [878779.229702] ivtv0: info: Setup VBI start 0x002fea04 frames 4 fpi 1 Nov 28 17:54:46 cmurrell kernel: [878779.233129] ivtv0: info: PGM Index at 0x00180150 with 400 elements Nov 28 17:54:47 cmurrell kernel: [878779.556039] ivtv0 encoder MPG: VIDIOC_ENCODER_CMD cmd=0, flags=0 Nov 28 17:54:49 cmurrell kernel: [878782.059204] ivtv0: ioctl: V4L2_ENC_CMD_STOP Nov 28 17:54:49 cmurrell kernel: [878782.059209] ivtv0: info: close stopping capture Nov 28 17:54:49 cmurrell kernel: [878782.059214] ivtv0: info: Stop Capture Nov 28 17:54:51 cmurrell kernel: [878784.156135] ivtv0 encoder MPG: VIDIOC_ENCODER_CMD cmd=1, flags=1 Nov 28 17:54:51 cmurrell kernel: [878784.166157] ivtv0: ioctl: V4L2_ENC_CMD_START Nov 28 17:54:51 cmurrell kernel: [878784.166165] ivtv0: info: Start encoder stream encoder MPG --- And from 15:00 to 18:00 recording fails? Perhaps it would make sense to restart application upon driver failure, now that output is more verbose. Regards, Ezequiel PS: Please don't drop linux-media list from Cc -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html