On Tuesday 06 June 2006 11:47, Steven Ellis wrote:
> Got DMA errors and MPEG artifact/corruption appearing on my Hauppauge
> PVR 150 unit with the ivtv 0.4.4 driver. Looks like similar problems
> to trac issue 049.
>
> First - How can I login so I can update or add to this ticket.
For now request a login from Axel Thimm. Trac was closed for anonymous
bug reports as it was spammed continuously :-(
>
> Secondly - Any tips on how to best trouble shoot the issue when it
> happens. For example can I tune the PCI bus to prevent this from
> happening.
>
> Unloading/reloading driver and or firmware doesn't fix it. I have to
> power off for a couple of minutes to sort it out.
There isn't really anything that can be done. Turn off any frequency
scaling (that solves it for some people). Every time I think I finally
have the time to investigate further something else crops up. It's only
a few people that have this problem but the core cause is probably
wrong handling of DMA errors.
Hans
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