snd_t4dwave(4) broken in RELENG_7?

Ariff Abdullah ariff at
Thu Nov 8 06:43:12 PST 2007

On Thu, 8 Nov 2007 14:46:51 +0100
Sascha Klauder <sascha at> wrote:
> Hi all,
>  can someone verify whether snd_t4dwave is working in RELENG_7?
>  After upgrading my 6.2-STABLE (from March 2006) to 7.0-BETA2,
> I get "pcm0:play:dsp0.p1: play interrupt timeout, channel dead"
> errors a few seconds after playback started. 
>  It's a HP nx9005 laptop, so I'm not sure if it could be ACPI-
> related, but sound was working fine ever since I installed 5.2
> on it.  Disabling ACPI makes no difference. 
>  Verbose dmesg available here:
> (actually still from a -CURRENT shortly before the branch)

Try changing #define TR_MAXPLAYCH from 4 to 1, in

The driver is virtually unchanged ever since 5.x . I'm at lost (no
hardware to test).

Ariff Abdullah

... Recording in stereo is obviously too advanced
    and confusing for us idiot ***** users :P ........
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