Hans,
Thanks for the quick reply! Below is my init ivtv messages from dmesg.

Linux video capture interface: v2.00
ivtv:  ==================== START INIT IVTV ====================
ivtv:  version 0.9.0 (tagged release) loading
ivtv:  Linux version: 2.6.19 SMP mod_unload PENTIUM4
ivtv:  In case of problems please include the debug info between
ivtv:  the START INIT IVTV and END INIT IVTV lines, along with
ivtv:  any module options, when mailing the ivtv-users mailinglist.
ivtv0: Autodetected Hauppauge card (cx23416 based)
ACPI: PCI Interrupt 0000:05:02.0[A] -> GSI 18 (level, low) -> IRQ 18
ivtv0: Unreasonably low latency timer, setting to 64 (was 32)
drivers/usb/class/usblp.c: usblp0: USB Bidirectional printer dev 4 if 0
alt 1 proto 2 vid 0x03F0 pid 0x1411
usbcore: registered new interface driver usblp
drivers/usb/class/usblp.c: v0.13: USB Printer Device Class driver
ivtv0: loaded v4l-cx2341x-enc.fw firmware (262144 bytes)
tveeprom 0-0050: Hauppauge model 26032, rev C199, serial# 2978102
tveeprom 0-0050: tuner model is TCL 2002N 5H (idx 99, type 50)
tveeprom 0-0050: TV standards NTSC(M) (eeprom 0x08)
tveeprom 0-0050: audio processor is CX25841 (idx 35)
tveeprom 0-0050: decoder processor is CX25841 (idx 28)
tveeprom 0-0050: has no radio, has IR remote
ivtv0: Autodetected Hauppauge WinTV PVR-150
ivtv0: reopen i2c bus for IR-blaster support
tuner 0-0061: chip found @ 0xc2 (ivtv i2c driver #0)
cx25840 0-0044: cx25841-23 found @ 0x88 (ivtv i2c driver #0)
cx25840 0-0044: loaded v4l-cx25840.fw firmware (16382 bytes)
wm8775 0-001b: chip found @ 0x36 (ivtv i2c driver #0)
ivtv0: Encoder revision: 0x02050032
ivtv0: Registered device video0 for encoder MPEG
ivtv0: Registered device video32 for encoder YUV
ivtv0: Registered device vbi0 for encoder VBI
ivtv0: Registered device video24 for encoder PCM audio
tuner 0-0061: type set to 50 (TCL 2002N)
ivtv0: Initialized Hauppauge WinTV PVR-150, card #0
ivtv:  ====================  END INIT IVTV  ====================

Also, I just saw (for the first time ever, since investigating this):

ivtv0 warning: ENC: (0) DMA Error 0x0000000b 00020005
ivtv0 warning: offset 0 -> 128
ivtv0 warning: offset 128 -> 0
ivtv0: All encoder MPEG stream buffers are full. Dropping data.
ivtv0: Cause: the application is not reading fast enough.
ivtv0: All encoder MPEG stream buffers are full. Dropping data.
ivtv0: Cause: the application is not reading fast enough.
ivtv0 warning: ENC: (0) DMA Error 0x0000000b 00020001
ivtv0 warning: offset 0 -> 128
ivtv0 warning: offset 128 -> 52
ivtv0 warning: ENC: (0) DMA Error 0x0000000b 08000005
ivtv0 warning: offset 52 -> 128
ivtv0 warning: offset 128 -> 68
ivtv0 warning: ENC: (0) DMA Error 0x0000000b 00020001
ivtv0 warning: offset 68 -> 128
ivtv0 warning: ENC: REG_DMAXFER 2 wait failed
ivtv0 warning: ENC: (0) DMA Error 0x00000001 00000001
ivtv0 warning: ENC: REG_DMAXFER 2 wait failed
ivtv0 warning: ENC: (1) DMA Error 0x00000001 00000005
ivtv0 warning: ENC: REG_DMAXFER 2 wait failed
ivtv0 warning: ENC: (2) DMA Error 0x00000001 00000001
ivtv0 warning: ENC: REG_DMAXFER 2 wait failed
ivtv0 warning: ENC: (3) DMA Error 0x00000001 00000005
ivtv0 warning: ENC: REDO DMA took too many tries.
ivtv0 warning: Error Encoder DMA

I see that this may be similar to the problem Preet Khalsa is having,
and I saw your response about upgrading mythtv. I'm using the Gentoo
"package" at version 0.20_p11626.

Would the above error cause a permanent lock-up?

Thanks,
  Erik G. Burrows

> On Wednesday 13 December 2006 03:18, Erik G. Burrows wrote:
> > I'd appreciate any help I can get diagnosing a strange problem I've
> > been having with my PVR-150 card using the ivtv driver.
> >
> > 1. It worked just fine under my last system incarnation, using the
> > same card, but different MB/CPU/Linux distro
> > 2. Some time passed...
> > 3. Now, the system works, and I get TV through the card using either
> > the "cat /dev/video0" method, or through mythtv, for a while...
> > 4. After a few (to several) hours of working just fine, it stops. No
> > more video from mythtv, and the "cat /dev/video0 > cap.mpeg" just
> > generates a zero-length file, no matter how long I let it go.
> > 5. There is no, zero, not any output to the console, syslog in dmesg
> > at the time of the failure or on subsequent attempts to use it. 6.
> > Unloading and reloading the ivtv and all other (video related)
> > drivers does not cure the problem.
> > 7. A warm reboot fixes it, for a while
> > 8. A cold reboot fixes it, for a while
> > 9. A very, very cold (plug out overnight) reboot fixes it, for a
> > while.
> >
> > I've tried the last three stable ivtv driver versions with their
> > required kernel versions. Exact same behavior.
> >
> > I'm open to the problem possibly being in the card, but it seems more
> > likely in the software.
> >
> > Any ideas?
> 
> 1) Please post the INIT IVTV messages.
> 2) Could it be overheating of the card?
> 3) Another known possible cause is a powersupply that is too weak.
> 
> Regards,
> 
>       Hans
> 
> _______________________________________________
> ivtv-users mailing list
> [email protected]
> http://ivtvdriver.org/mailman/listinfo/ivtv-users
> 


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