On 09-Feb-01 Mike Holling wrote:
>> i have Ensoniq ES1371-based soundcard supported by pcm driver and
>> experience some problems. the sound played is interruped by clicks and
>> distorsions, and they appear more often when the disk activity is high.
>> during playback the kernel generates messages like 'pcm0: hwptr went
>> backwards 64 -> 32'. any ideas?
> I have similar problems, except the disruptions only seem to occur during
> keyboard activity.  I ran a cvsup while using mpg123 and had no problems,
> which is pretty impressive since the machine is a P133.  However, even a
> small amount of typing causes noticeable audio glitches.  This happens
> both with a ES1371 and an old SB16 ISA card.  It seems I may also be
> losing keystrokes from the keyboard, though I haven't confirmed it's not a
> problem with the keyboard itself.

This could be related to the entropy gathering by the random kthread.  Have you
tried removing the random device from your kernel?

> - Mike


John Baldwin <[EMAIL PROTECTED]> -- http://www.FreeBSD.org/~jhb/
PGP Key: http://www.Baldwin.cx/~john/pgpkey.asc
"Power Users Use the Power to Serve!"  -  http://www.FreeBSD.org/

To Unsubscribe: send mail to [EMAIL PROTECTED]
with "unsubscribe freebsd-current" in the body of the message

Reply via email to