[mythtv-users] 0.15 and PVR-250 only recording a few sec

[mythtv_user]

Just tried Knopmyth R4V4 -
same behavior in the myth frontend/backend logs
I saw the Spurious 8259A interrupt: IRQ7  message in the 
/etc/log/messages, but nothing from ivtv this time.
Anyone have any ideas? 

mythtv_user wrote:

> A bit more info --
> when it dies I see
> Spurious 8259A interrupt: IRQ7
> ivtv: giving up waiting for DMA pending to clear
>
> in /etc/log/messages
>
> looks like a few others on this list and the ivtv list have seen this 
> issue, but I didn't see any solutions posted (especially in the case 
> where cat /dev/video0 > test.mpg works)
> I tried dissabling usb, parallel port, serial ports, and ethernet in 
> the bios
> That didn't seem to help.
>
>
> mythtv_user wrote:
>
>> I was running 0.14 and RH9 without many problems, but I wanted to 
>> upgrade to a larger HD so I figured I would go to 0.15 and FC1 in the 
>> process.
>> I followed Jarod's guide as I had done the same to get my RH9 system 
>> working.
>>
>> The result is I get only a few seconds of video in live TV followed by:
>> Couldn't read data from the capture card in 15 seconds. Game Over, man
>> on the back end
>>
>> And:
>>
>> Waited 2 seconds for data to become available, waiting again...
>>
>> on the front end
>>
>> Previous posts on similiar issues to this said pausing for a few 
>> seconds immediately when the live image came up cleared this issue 
>> for some people.  That is not the case for me.  The system still dies 
>> after about 15 seconds.  If I schedule a recording instead of trying 
>> to watch live TV I also end up with a recording that only lasts a few 
>> seconds.
>>
>> cat /dev/video0 > file.mpg
>> works fine
>>
>> A previous poster on this subject also mentioned they saw the same 
>> issue when their pvr-250 was on the same interrupt as another 
>> device.  Seemed like a long shot since I would imagine a lot of 
>> people have some irq sharing.  lspci -v showed the USB controller and 
>> PVR-250 were both on IRQ 5.  I don't have any USB devices so I tried 
>> disabling USB in the bios.  This resulted in the PVR-250 as the only 
>> user as IRQ5, but no change in the performance.
>>
>> Anyone have any suggestions?
>>
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>>
>>
>>
>
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