Re: sound skips on 2.6.16.17

karsten wiese
2006-06-18T13:35:51Z

--- Hugo Vanwoerkom <rociobarroso@att.net.mx> schrieb:

> Chris Wedgwood wrote:
> > On Sun, Jun 18, 2006 at 12:04:29PM +0800, ocilent1 wrote:
> >
> >
> >> (PCI-quirk-VIA-IRQ-fixup-should-only-run-for-VIA-southbridges.patch)
> >> that is causing the sound stuttering/skipping problems for our users
> >> with VIA chipsets. Backing out the first patch alone did not fix the
> >> problem (PCI-VIA-quirk-fixup-additional-PCI-IDs.patch) but to back
> >> out the 2nd patch, you need to have initially backed out the first
> >> patch, due to the way the patches apply in series.
> >>
> >
> > what mainboard/CPU do you have there?
> >
> > what does 'lspci -n' say?
> >
> >
>
> /home/hugoSun Jun 18-06:08:30HDC1# lspci -n
> 0000:00:00.0 0600: 1106:0269
> 0000:00:00.1 0600: 1106:1269
> 0000:00:00.2 0600: 1106:2269
> 0000:00:00.3 0600: 1106:3269
> 0000:00:00.4 0600: 1106:4269
> 0000:00:00.7 0600: 1106:7269
> 0000:00:01.0 0604: 1106:b198
> 0000:00:0a.0 0300: 10de:0181 (rev a2)
> 0000:00:0b.0 0104: 1095:3112 (rev 02)
> 0000:00:0c.0 0401: 1102:0007
> 0000:00:0f.0 0101: 1106:0571 (rev 06)
> 0000:00:10.0 0c03: 1106:3038 (rev 81)
> 0000:00:10.1 0c03: 1106:3038 (rev 81)
> 0000:00:10.2 0c03: 1106:3038 (rev 81)
> 0000:00:10.3 0c03: 1106:3038 (rev 81)
> 0000:00:10.4 0c03: 1106:3104 (rev 86)
> 0000:00:11.0 0601: 1106:3227
> 0000:00:11.5 0401: 1106:3059 (rev 60)
> 0000:00:12.0 0200: 1106:3065 (rev 78)
> 0000:01:00.0 0300: 10de:0185 (rev c1)
>

had sound skipping here too with likely the same southbridge:
(AMD64 K8T800 mobo)
# lspci -n
00:00.0 0600: 1106:0282
00:00.1 0600: 1106:1282
00:00.2 0600: 1106:2282
00:00.3 0600: 1106:3282
00:00.4 0600: 1106:4282
00:00.7 0600: 1106:7282
00:01.0 0604: 1106:b188
00:0b.0 0200: 10ec:8169 (rev 10)
00:0f.0 0101: 1106:0571 (rev 06)
00:10.0 0c03: 1106:3038 (rev 81)
00:10.1 0c03: 1106:3038 (rev 81)
00:10.2 0c03: 1106:3038 (rev 81)
00:10.3 0c03: 1106:3038 (rev 81)
00:10.4 0c03: 1106:3104 (rev 86)
00:11.0 0601: 1106:3227
00:11.5 0401: 1106:3059 (rev 60)
00:18.0 0600: 1022:1100
00:18.1 0600: 1022:1101
00:18.2 0600: 1022:1102
00:18.3 0600: 1022:1103
01:00.0 0300: 10de:0185 (rev c1)

backing out above patches didn't help.
Enabling variable samplerate support by loading
snd-via82xx like this:
# rmmod snd-via82xx
# modprobe snd-via82xx dxs_support=5
made the difference here.

Also I completely disabled PCI-quirk-VIA-IRQ-fixup here without
any negative impact.
When active, it reports nonsense here:
"PCI: VIA IRQ fixup for 0000:00:0f.0, from 255 to 0"
"PCI: VIA IRQ fixup for 0000:00:10.0, from 11 to 3"

Karsten

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