On Fri, 12 Mar 2004, Gupta, Kshitij wrote:
> hi,
> :) maps almost perfectly ...thanx a lot. Only other doubt I had
> was, why are we always getting underruns in case of ARM (as Russell also
> pointed out that there are some cache coherency problems), but I am not able
> to map cache coherency problems to the underruns we are getting. We are
> getting underruns consistently, even with very small period size (about 1k).
I think that the problem must be somewhere else. Check the input data to
the OSS layer. If you use OSS emulation, then the coherency problem does
not exist, because appl_ptr and hw_ptr is updated only from the kernel
space.
Jaroslav
-----
Jaroslav Kysela <[EMAIL PROTECTED]>
Linux Kernel Sound Maintainer
ALSA Project, SuSE Labs
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