On Wednesday 06 June 2007 5:29:09 pm Larry Bernstone wrote:
> While I'm sure this isn't the answer you would like to hear, I too have
> a MCP51 based board, and get DMA errors with it. I've tried numerous
> and varied configurations to eliminate the errors, but the only thing
> that works with consistency is turn disable DMA in ivtv-streams.c. I'm
> too lazy to write a patch for it, but the code looks like this (~line
> 80)
>
> { /* IVTV_ENC_STREAM_TYPE_MPG */
> "encoder MPEG",
> VFL_TYPE_GRABBER, 0,
> PCI_DMA_FROMDEVICE, 1, V4L2_BUF_TYPE_VIDEO_CAPTURE,
> &ivtv_v4l2_enc_fops
> },
>
> Note the 1 after PCI_DMA_FROMDEVICE, which will set the encoder to use
> PIO instead of DMA. This will dramatically increase the cpu usage of
> ivtv, but it does work, and won't hang the tuner card.
So, I uninstalled the package that I get from atrpms and then built my own
from, svn revision 3931. So far it works, but /var/log/messages is full of
messages I don't understand.
What do they mean and how serious are they?
Jun 6 22:52:44 mediapc Erased: ivtv-kmdl-2.6.20-1.2952.fc6
Jun 6 22:53:22 mediapc kernel: ACPI: PCI interrupt for device 0000:04:0a.0
disabled
Jun 6 22:53:22 mediapc kernel: ivtv0: Removed Hauppauge WinTV PVR-150, card #0
Jun 6 22:53:29 mediapc kernel: ivtv: ==================== START INIT IVTV
====================
Jun 6 22:53:29 mediapc kernel: ivtv: version 0.10.4 (development revision
3931M) loading
Jun 6 22:53:29 mediapc kernel: ivtv: Linux version: 2.6.20-1.2952.fc6 SMP
mod_unload
Jun 6 22:53:29 mediapc kernel: ivtv: In case of problems please include the
debug info between
Jun 6 22:53:29 mediapc kernel: ivtv: the START INIT IVTV and END INIT IVTV
lines, along with
Jun 6 22:53:29 mediapc kernel: ivtv: any module options, when mailing the
ivtv-users mailinglist.
Jun 6 22:53:29 mediapc kernel: ivtv0: Autodetected Hauppauge card (cx23416
based)
Jun 6 22:53:29 mediapc kernel: ACPI: PCI Interrupt 0000:04:0a.0[A] -> Link
[APC3] -> GSI 18 (level, low) -> IRQ 18
Jun 6 22:53:29 mediapc kernel: ivtv0: loaded v4l-cx2341x-enc.fw firmware
(376836 bytes)
Jun 6 22:53:30 mediapc kernel: ivtv0: Encoder revision: 0x02060039
Jun 6 22:53:30 mediapc kernel: tveeprom 2-0050: Hauppauge model 26592, rev
B282, serial# 7275840
Jun 6 22:53:30 mediapc kernel: tveeprom 2-0050: tuner model is LG TAPC H791F
(idx 82, type 39)
Jun 6 22:53:30 mediapc kernel: tveeprom 2-0050: TV standards NTSC(M) (eeprom
0x08)
Jun 6 22:53:30 mediapc kernel: tveeprom 2-0050: audio processor is CX25843
(idx 37)
Jun 6 22:53:30 mediapc kernel: tveeprom 2-0050: decoder processor is CX25843
(idx 30)
Jun 6 22:53:30 mediapc kernel: tveeprom 2-0050: has no radio, has no IR
receiver, has no IR transmitter
Jun 6 22:53:30 mediapc kernel: ivtv0: Autodetected Hauppauge WinTV PVR-150
Jun 6 22:53:30 mediapc kernel: tuner 2-0061: chip found @ 0xc2 (ivtv i2c
driver #0)
Jun 6 22:53:30 mediapc kernel: cx25840 2-0044: cx25841-23 found @ 0x88 (ivtv
i2c driver #0)
Jun 6 22:53:35 mediapc kernel: cx25840 2-0044: loaded v4l-cx25840.fw firmware
(16382 bytes)
Jun 6 22:53:35 mediapc kernel: wm8775 2-001b: chip found @ 0x36 (ivtv i2c
driver #0)
Jun 6 22:53:35 mediapc kernel: ivtv0: Registered device video0 for encoder
MPEG (16 MB)
Jun 6 22:53:35 mediapc kernel: ivtv0: Registered device video32 for encoder
YUV (2 MB)
Jun 6 22:53:35 mediapc kernel: ivtv0: Registered device vbi0 for encoder VBI
(16 MB)
Jun 6 22:53:35 mediapc kernel: ivtv0: Registered device video24 for encoder
PCM audio (1 MB)
Jun 6 22:53:35 mediapc kernel: tuner 2-0061: type set to 39 (LG NTSC (newer
TAPC series))
Jun 6 22:53:35 mediapc kernel: ivtv0: Initialized Hauppauge WinTV PVR-150,
card #0
Jun 6 22:53:35 mediapc kernel: ivtv: ==================== END INIT IVTV
====================
Jun 6 22:53:52 mediapc lircd-0.8.2-CVS[3084]: accepted new client on /dev/lircd
Jun 6 22:54:00 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:54:09 mediapc last message repeated 199 times
Jun 6 22:54:09 mediapc kernel: ivtv0 warning: Invalid PGM index 6269895 (>=
400)
Jun 6 22:54:09 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:54:09 mediapc last message repeated 16 times
Jun 6 22:54:09 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:54:20 mediapc last message repeated 245 times
Jun 6 22:54:20 mediapc kernel: ivtv0 warning: encoder VBI: offset 0 -> 128
Jun 6 22:54:20 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:54:51 mediapc last message repeated 676 times
Jun 6 22:55:52 mediapc last message repeated 1342 times
Jun 6 22:56:31 mediapc last message repeated 869 times
Jun 6 22:56:31 mediapc kernel: ivtv0 warning: Invalid PGM index 178891503 (>=
400)
Jun 6 22:56:31 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:31 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:31 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:56:31 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:31 mediapc last message repeated 5 times
Jun 6 22:56:31 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:56:39 mediapc last message repeated 182 times
Jun 6 22:56:39 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:39 mediapc last message repeated 6 times
Jun 6 22:56:39 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:56:41 mediapc last message repeated 30 times
Jun 6 22:56:41 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:41 mediapc last message repeated 3 times
Jun 6 22:56:41 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:56:50 mediapc last message repeated 208 times
Jun 6 22:56:50 mediapc kernel: ivtv0 warning: Invalid PGM index 77844289 (>=
400)
Jun 6 22:56:50 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:56:50 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:50 mediapc last message repeated 8 times
Jun 6 22:56:50 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:56:57 mediapc last message repeated 143 times
Jun 6 22:56:57 mediapc kernel: ivtv0 warning: Invalid PGM index 178900011 (>=
400)
Jun 6 22:56:57 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:57 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:57 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:56:57 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:56:57 mediapc last message repeated 7 times
Jun 6 22:56:57 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:57:05 mediapc last message repeated 177 times
Jun 6 22:57:05 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:57:05 mediapc last message repeated 7 times
Jun 6 22:57:05 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
Jun 6 22:57:10 mediapc last message repeated 105 times
Jun 6 22:57:10 mediapc kernel: ivtv0 warning: Invalid PGM index 178891420 (>=
400)
Jun 6 22:57:10 mediapc kernel: ivtv0 warning: encoder VBI: Couldn't find start
of buffer within the first 256 bytes
:
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