[mythtv-users] FF and REW lockups with PVR-350

Bennett Leve bleve at nightmare.com
Sat Sep 17 18:13:58 UTC 2005


Any suggestions by anyone?  Just curious if this is something I need to 
live with, or if there is a workaround or would changing the motherboard 
to another chipset and CPU to AMD help?

-Bennett

Bennett Leve wrote:

> All,
>
> I am experiencing the issues described in the list archives:
>
>  http://www.gossamer-threads.com/lists/ivtv/devel/19002?nohighlight=1
>
> Recently I built a box just to use for MythTV.  It has the following 
> hardware:
>
> ABIT IS7-V2 motherboard
> Hauppauge PVR-350 using the mpeg video out option
> Pentium IV 3.0 processor
> 512mb of ram
>
> The Myth install is the latest Knoppmyth release and I have been very 
> happy with it except for two things.
>
> The freezes when hitting the FF or REW button really fast several 
> times and when I turn on hyper threading it freezes after only a few 
> minutes of displaying video.
> Reading the above thread it seems the hardware decoder that Hauppauge 
> puts on these cards is rather whimpie.   What I would like to know if 
> anyone has a workaround?  Is there anyway to throttle the throughput 
> or some other hack other than just being sure to not be too aggressive 
> hitting the buttons?  I know there must be lots of setups hitting this 
> problem.
>
> I would be interested to know of a motherboard/processor combo that 
> does not have this problem as well.  I have a X86_64 box running Suse, 
> but I use that for work and would rather keep it that way, but if it 
> would be more stable than the new P4 box I may switch them around.
> Sep 15 22:55:13 mythtvbe kernel: ivtv: 1000 ms time out waiting for 
> firmware
> Sep 15 22:55:13 mythtvbe kernel: ivtv: Failed api call 0x00000015 with 
> result 0xfffffff0
> Sep 15 22:55:13 mythtvbe kernel: ivtv: DEC: couldnt read clock
> Sep 15 22:55:23 mythtvbe kernel: ivtv: 1000 ms time out waiting for 
> firmware
> Sep 15 22:55:23 mythtvbe kernel: ivtv: Failed api call 0x0000000d with 
> result 0xfffffff0
> Sep 15 22:55:23 mythtvbe kernel: ivtv: DEC: error pausing
> Sep 15 22:55:26 mythtvbe kernel: ivtv: No Free Mailbox for cmd 
> 0x00000015 after 100 tries!
> Sep 15 22:55:26 mythtvbe kernel: ivtv: Mailbox[0] 0x00000053 flags 
> 0x00000003
> Sep 15 22:55:26 mythtvbe kernel: ivtv: Mailbox[1] 0x00000053 flags 
> 0x00000003
> Sep 15 22:55:26 mythtvbe kernel: ivtv: Firmware UNRESPONSIVE when 
> trying cmd 0x00000015!!!
> Sep 15 22:55:26 mythtvbe kernel: ivtv: DEC: couldnt read clock
> Sep 15 22:55:36 mythtvbe kernel: ivtv: 1000 ms time out waiting for 
> firmware
> Sep 15 22:55:36 mythtvbe kernel: ivtv: Failed api call 0x0000000d with 
> result 0xfffffff0
> Sep 15 22:55:36 mythtvbe kernel: ivtv: DEC: error pausing
> Sep 15 22:55:46 mythtvbe kernel: ivtv: 1000 ms time out waiting for 
> firmware
> Sep 15 22:55:46 mythtvbe kernel: ivtv: Failed api call 0x00000003 with 
> result 0xfffffff0
>
> Thanks for any help.
>
> -Bennett
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