Date: Wed, 16 Apr 2003 06:35:05 -0500 From: Peter Schultz <peter@jocose.org> To: Wade Majors <wade@ezri.org> Cc: current@freebsd.org Subject: Re: Adjusting pcm buffersize? Message-ID: <3E9D3FE9.6090206@jocose.org> In-Reply-To: <3E9BCC5F.4050603@ezri.org> References: <3E9BCC5F.4050603@ezri.org>
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Wade Majors wrote: > Hi, I am having problems with my soundcard that I think might be fixable > by increasing the buffersize, but the sysctl that reports the buffersize > is readonly. > > Basically, even when there is relativly mild hard disk access (like a > large cvsup) I start to get underruns (as reported by a verbose > /dev/sndstat). CPU usage is nowhere near 100% yet the sound card is > starved. I have tried tweaking everything possible in with my > motherboard's BIOS with regards to PCI, AGP, and SDRAM read/writes to no > avail. > > Any ideas? > What kind of CPU(s) do you have? I have dual pii 350s and have the same issue, but many other similar issues as well. As someone who's been running 5.0-CURRENT since it began, I feel these are due to it's unfinished state, and have nothing to do with undersized buffers and whatnot. Heck, right now I can't even run SCHED_ULE (panic: blockable sleep lock (sleep mutex) process lock), and when I can even my typing at the console gets interrupted. Pete...
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