Try setting the ivtv option ivtv_dynbuf=0? Maybe it's the buffer allocation that is sometimes stalling?
On 8/18/05, Pete Davis <[EMAIL PROTECTED]> wrote: > Sorry, that original log got hosed. Don't know why. Trying again: > > Aug 13 14:59:49 thor kernel: ivtv: Linux version: 2.6.9-1.667 686 REGPARM > 4KSTACKS gcc-3.4 > Aug 13 14:59:49 thor kernel: ivtv: In case of problems please include the > debug info > Aug 13 14:59:49 thor kernel: ivtv: between the START INIT IVTV and END INIT > IVTV lines when > Aug 13 14:59:49 thor kernel: ivtv: mailing the ivtv-devel mailinglist. > Aug 13 14:59:49 thor kernel: ivtv: Autodetected WinTV PVR 150 card > Aug 13 14:59:49 thor kernel: ivtv: Found an iTVC16 based chip > Aug 13 14:59:49 thor kernel: ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 3 > (level, low) -> IRQ 3 > Aug 13 14:59:49 thor kernel: ivtv: Unreasonably low latency timer, setting > to 64 (was 32) > Aug 13 14:59:49 thor kernel: ivtv: XXX PCI device: 0x0661 vendor: 0x1039 > Aug 13 14:59:50 thor kernel: tveeprom: Hauppauge: model = 26032, rev = C199, > serial# = 7783501 > Aug 13 14:59:50 thor kernel: tveeprom: tuner = TCL 2002N 5H (idx = 99, type > = 50) > Aug 13 14:59:50 thor kernel: tveeprom: tuner fmt = NTSC(M) (eeprom = 0x08, > v4l2 = 0x00001000) > Aug 13 14:59:50 thor kernel: tveeprom: audio_processor = TDA9850 (type = 3) > Aug 13 14:59:50 thor kernel: ivtv: i2c attach [client=tveeprom[50],ok] > Aug 13 14:59:50 thor kernel: cx25840: requesting /lib/modules/HcwMakoA.ROM > Aug 13 14:59:52 thor kernel: cx25840: firmware loaded > Aug 13 14:59:52 thor kernel: ivtv: i2c attach [client=cx25840[50],ok] > Aug 13 14:59:52 thor kernel: tuner: chip found at addr 0xc2 i2c-bus ivtv i2c > driver #0 > Aug 13 14:59:52 thor kernel: ivtv: i2c attach [client=(tuner unset),ok] > Aug 13 14:59:52 thor kernel: ivtv: i2c attach [client=wm8775[50],ok] > Aug 13 14:59:52 thor kernel: ivtv: Tuner Type 50, Tuner formats 0x00001000, > Radio: yes, Model 0x008d1659, Revision 0x00000000 > Aug 13 14:59:52 thor kernel: ivtv: NTSC tuner detected > Aug 13 14:59:52 thor kernel: ivtv: Radio detected > Aug 13 14:59:53 thor kernel: ivtv: Encoder revision: 0x02050032 > Aug 13 14:59:53 thor kernel: ivtv: Encoder Firmware may be buggy, use > version 0x02040011 > Aug 13 14:59:53 thor kernel: ivtv: Configuring WinTV PVR 150 card with 5 > streams > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder MPEG > minor 0 > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder MPEG stream: 128 x > 32768 buffers (4096KB total) > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder YUV > minor 32 > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder YUV stream: 194 x > 10800 buffers (2048KB total) > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder VBI > minor 224 > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder VBI stream: 240 x 8736 > buffers (2048KB total) > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder PCM > audio minor 24 > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder PCM audio stream: 455 > x 4608 buffers (2048KB total) > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder radio > minor 64 > Aug 13 14:59:53 thor kernel: ivtv: Create encoder radio stream > Aug 13 14:59:53 thor kernel: ivtv: Setting Tuner 50 > Aug 13 14:59:53 thor kernel: tuner: type set to 50 (TCL 2002N) by ivtv i2c > driver #0 > Aug 13 14:59:53 thor kernel: ivtv: ivtv_enc_thread: pid = 4444, itv = > 0x40d6d220 > Aug 13 14:59:53 thor kernel: ivtv: ivtv_enc_vbi_thread: pid = 4445, itv = > 0x40d6d220 > Aug 13 14:59:53 thor kernel: ivtv: Switching standard to NTSC. > Aug 13 14:59:53 thor kernel: ivtv: Initialized WinTV PVR 150, card #0 > Aug 13 14:59:53 thor kernel: ivtv: ==================== END INIT IVTV > ==================== > > > -----Original Message----- > > From: [EMAIL PROTECTED] [mailto:ivtv-devel- > > [EMAIL PROTECTED] On Behalf Of Pete Davis > > Sent: Thursday, August 18, 2005 12:41 PM > > To: ivtv-devel@lists.sourceforge.net > > Subject: [ivtv-devel] CPU hogging and delays with a PVR 150 > > > > First of all, I originally posted my problems on the forum on July 30th, > > but > > it doesn't seem anyone's answering questions there and I'd like to get > > these > > problems solved. > > > > I'm running 0.3.6q of ivtv. > > > > The info from messages is as follows: > > > > Aug 13 14:59:49 thor kernel: ivtv: ==================== START INIT IVTV > > ==================== > > Aug 13 14:59:49 thor kernel: ivtv: version 0.3.6 (q) loading > > Aug 13 14:59:49 thor kernel: ivtv: Linux version: 2.6.9-1.667 686 REGPARM > > 4KSTACKS gcc-3.4 > > Aug 13 14:59:49 thor kernel: ivtv: In case of problems please include the > > debug info > > Aug 13 14:59:49 thor kernel: ivtv: between the START INIT IVTV and END > > INIT > > IVTV lines when > > Aug 13 14:59:49 thor kernel: ivtv: mailing the ivtv-devel mailinglist. > > Aug 13 14:59:49 thor kernel: ivtv: Autodetected WinTV PVR 150 card > > Aug 13 14:59:49 thor kernel: ivtv: Found an iTVC16 based chip > > Aug 13 14:59:49 thor kernel: ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 3 > > (level, low) -> IRQ 3 > > Aug 13 14:59:49 thor kernel: ivtv: Unreasonably low latency timer, setting > > to 64 (was 32) > > Aug 13 14:59:49 thor kernel: ivtv: XXX PCI device: 0x0661 vendor: 0x1039 > > Aug 13 14:59:50 thor kernel: tveeprom: Hauppauge: model = 26032, rev = > > C199, > > serial# = 7783501 > > Aug 13 14:59:50 thor kernel: tveeprom: tuner = TCL 2002N 5H (idx = 99, > > type > > = 50) > > Aug 13 14:59:50 thor kernel: tveeprom: tuner fmt = NTSC(M) (eeprom = 0x08, > > v4l2 = 0x00001000) > > Aug 13 14:59:50 thor kernel: tveeprom: audio_processor = TDA9850 (type = > > 3) > > Aug 13 14:59:50 thor kernel: ivtv: i2c attach [client=tveeprom[50],ok] > > Aug 13 14:59:50 thor kernel: cx25840: requesting /lib/modules/HcwMakoA.ROM > > Aug 13 14:59:52 thor kernel: cx25840: firmware loaded > > Aug 13 14:59:52 thor kernel: ivtv: i2c attach [client=cx25840[50],ok] > > Aug 13 14:59:52 thor kernel: tuner: chip found at addr 0xc2 i2c-bus ivtv > > i2c > > driver #0 > > Aug 13 14:59:52 thor kernel: ivtv: i2c attach [client=(tuner unset),ok] > > Aug 13 14:59:52 thor kernel: ivtv: i2c attach [client=wm8775[50],ok] > > Aug 13 14:59:52 thor kernel: ivtv: Tuner Type 50, Tuner formats > > 0x00001000, > > Radio: yes, Model 0x008d1659, Revision 0x00000000 > > Aug 13 14:59:52 thor kernel: ivtv: NTSC tuner detected > > Aug 13 14:59:52 thor kernel: ivtv: Radio detected > > Aug 13 14:59:53 thor kernel: ivtv: Encoder revision: 0x02050032 > > Aug 13 14:59:53 thor kernel: ivtv: Encoder Firmware may be buggy, use > > version 0x02040011 > > Aug 13 14:59:53 thor kernel: ivtv: Configuring WinTV PVR 150 card with 5 > > streams > > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder MPEG > > minor 0 > > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder MPEG stream: 128 x > > 32768 buffers (4096KB total) > > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder YUV > > minor 32 > > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder YUV stream: 194 x > > 10800 buffers (2048KB total) > > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder VBI > > minor 224 > > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder VBI stream: 240 x > > 8736 > > buffers (2048KB total) > > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder PCM > > audio minor 24 > > Aug 13 14:59:53 thor kernel: ivtv: Create DMA encoder PCM audio stream: > > 455 > > x 4608 buffers (2048KB total) > > Aug 13 14:59:53 thor kernel: ivtv: Registered v4l2 device for encoder > > radio > > minor 64 > > Aug 13 14:59:53 thor kernel: ivtv: Create encoder radio stream > > Aug 13 14:59:53 thor kernel: ivtv: Setting Tuner 50 > > Aug 13 14:59:53 thor kernel: tuner: type set to 50 (TCL 2002N) by ivtv i2c > > driver #0 > > Aug 13 14:59:53 thor kernel: ivtv: ivtv_enc_thread: pid = 4444, itv = > > 0x40d6d220 > > Aug 13 14:59:53 thor kernel: ivtv: ivtv_enc_vbi_thread: pid = 4445, itv = > > 0x40d6d220 > > Aug 13 14:59:53 thor kernel: ivtv: Switching standard to NTSC. > > Aug 13 14:59:53 thor kernel: ivtv: Initialized WinTV PVR 150, card #0 > > Aug 13 14:59:53 thor kernel: ivtv: ==================== END INIT IVTV > > ==================== > > > > > > I have two problems: > > > > 1: Every once in a while, for roughly a day at a time, doing captures hogs > > up to 40-60% of the CPU. I'm doing the captures with: > > > > nice -n -20 cat /dev/video > movie.mpg > > > > Most of the time, it only uses about 1% of CPU, but maybe one day a week > > it > > will be using 40-60% during captures and when it does, the videos are > > usually skipping frames. > > > > Usually, the day after, the problem goes away and will stay away for a > > week > > or so. There's nothing unusual going on. My machine's on 24/7 for months > > at > > a time. I don't use it for much else except transcoding with mencoder > > (usually niced to 15) and I use it as a firewall and file server with > > Samba. > > > > The other problem I have, and this is pretty consistent, roughly every > > other > > capture, there's about a 40 second lag time before it actually starts > > capturing. > > > > Usually, the way I check is I try to do the capture. Then while it's > > trying > > to capture, I check to see if the file is growing. If it isn't, I kill the > > process. The process usually won't die until the 40 seconds have passed. > > Then if I try to do a capture right after that, it will work fine. > > > > Here's what messages shows. You can clearly see the delay: > > > > Jul 30 08:08:06 thor kernel: ivtv: Allocate DMA encoder MPEG stream: 128 x > > 32768 buffers (4096KB total) > > Jul 30 08:08:43 thor kernel: ivtv: Setup VBI API header 0x0000bd0d pkts 1 > > buffs4 ln 24 sz 1456 > > Jul 30 08:08:43 thor kernel: ivtv: Setup VBI start 0x002fea04 frames 4 fpi > > 1 > > lines 0x00000140 > > > > > > Here's an example when it doesn't lag: > > > > > > Jul 30 08:12:03 thor kernel: ivtv: Allocate DMA encoder MPEG stream: 128 x > > 32768 buffers (4096KB total) > > Jul 30 08:12:03 thor kernel: ivtv: Setup VBI API header 0x0000bd0d pkts 1 > > buffs4 ln 24 sz 1456 > > Jul 30 08:12:03 thor kernel: ivtv: Setup VBI start 0x002fea04 frames 4 fpi > > 1 > > lines 0x00000140 > > > > Looks more or less the same except without the 37 second delay. > > > > Like I said, this is pretty reliably every other capture. Sometimes > > there's > > variation, but usually it's pretty reliable. > > > > Any help with either of these problems (particularly the CPU issue, since > > the other I can work around pretty easily) would be greatly appreciated. > > > > Thanks. > > > > Pete > > > > > > > > > > > > ------------------------------------------------------- > > SF.Net email is Sponsored by the Better Software Conference & EXPO > > September 19-22, 2005 * San Francisco, CA * Development Lifecycle > > Practices > > Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA > > Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf > > _______________________________________________ > > ivtv-devel mailing list > > ivtv-devel@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/ivtv-devel > > > > > > ------------------------------------------------------- > SF.Net email is Sponsored by the Better Software Conference & EXPO > September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices > Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA > Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf > _______________________________________________ > ivtv-devel mailing list > ivtv-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/ivtv-devel > ------------------------------------------------------- SF.Net email is Sponsored by the Better Software Conference & EXPO September 19-22, 2005 * San Francisco, CA * Development Lifecycle Practices Agile & Plan-Driven Development * Managing Projects & Teams * Testing & QA Security * Process Improvement & Measurement * http://www.sqe.com/bsce5sf _______________________________________________ ivtv-devel mailing list ivtv-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/ivtv-devel
