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From: Jonathan Fosburgh <syjef@mdanderson.org>
Organization: UT MD Anderson Cancer Center
To: Eric Anderson <anderson@centtech.com>
Date: Wed, 17 Dec 2003 13:22:59 -0600
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Message-Id: <200312171323.03983.syjef@mdanderson.org>
cc: Ryan Sommers <ryans@gamersimpact.com>
cc: FreeBSD Current <freebsd-current@freebsd.org>
Subject: Re: sysctl panics kernel with snd_pcm tweaks
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On Wednesday 17 December 2003 11:50 am, Ryan Sommers wrote:
> On Wed, 2003-12-17 at 10:08, Eric Anderson wrote:
> > When snd_pcm.ko is loaded at boot time, having:
> > hw.snd.pcm0.vchans=3D4
> > hw.snd.maxautovchans=3D4
> > in my sysctl.conf causes my kernel to panic on boot (I believe it's the
> > hw.snd.maxautovchans causing the panic, but haven't tried explicitly ye=
t)
> >
> > It worked about a week or so back with no problems - just recently (Dec
> > 12th to Dec 15th or so) something changed that made this not work
> > anymore.
<snip>
> I've been messing with this problem and just as an FYI. The problem lies
> in the sysctl for the maxautovchans when pcm is loaded as a module. As a
> workaround build a kernel with 'device pcm' or take your
> hw.snd.maxautovchans out of sysctl.conf.
I load pcm as a module alone with csa *and* I have those lines in my=20
sysctl.conf.  I only get the panic if I disable loading the csa module.  Wh=
at=20
Does this effect all sound cards or just those that need a bridge?
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Jonathan Fosburgh
AIX and Storage Administrator
UT MD Anderson Cancer Center
Houston, TX=20
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