Date: Sun, 22 Aug 2004 10:00:47 GMT From: Jon Noack <noackjr@alumni.rice.edu> To: freebsd-bugs@FreeBSD.org Subject: Re: kern/59349: patch to including locking for es137x sound driver Message-ID: <200408221000.i7MA0lAC015700@freefall.freebsd.org>
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The following reply was made to PR kern/59349; it has been noted by GNATS. From: Jon Noack <noackjr@alumni.rice.edu> To: freebsd-gnats-submit@FreeBSD.org, mat@cnd.mcgill.ca, julian@elischer.org Cc: Subject: Re: kern/59349: patch to including locking for es137x sound driver Date: Sun, 22 Aug 2004 04:56:51 -0500 I'm running a modified version of the patch from this PR (which includes the snd_mtxfree). Here's a link to the current version (note that this patch includes the changes for kern/68594 and also slightly cleans up the attach/detach cleanup order): http://www.noacks.org/freebsd/es137x.diff Works fine here. Don't know about 4BSD, but ULE is really struggling right now. While playing an mp3 on a relatively idle machine, the pcm interrupt rate is a steady 86/sec. Extracting the Firefox source while playing an mp3 (to simulate load) causes the pcm interrupt rate to fall and vary between 60-80/sec, causing all sorts of "excitement". Hopefully the PREEMPTION fixes will take care of all that nonsense. Note that this behavior is the same with/without this patch. Jon
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