Date: Mon, 10 Feb 2003 15:08:09 -0700 From: Scott Long <scott_long@btc.adaptec.com> To: Orion Hodson <orion@freebsd.org> Cc: Scott <samsco@mho.net>, freebsd-multimedia@freebsd.org, cg@freebsd.org Subject: Re: panic in dsp_ioctl() Message-ID: <3E4822C9.4000307@btc.adaptec.com> In-Reply-To: <200302082157.h18LvQ8J033548@puma.icir.org> References: <200302082157.h18LvQ8J033548@puma.icir.org>
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Sorry for the false alarm, it turns out that some of my snd_*.ko modules had gotten out of sync with the kernel. Everything worked fin one I updated them. Scott Orion Hodson wrote: > /-- Scott wrote: > | WIth a fairly recent 5-current and ICH3 sound hardware I'm getting a > | panic in dsp_ioctl() when running just about anything. > > Can you be specific about what you are running? I appreciate it might > seem > like anything you try generates this, but I'm unable to replicate it > trivially. Before doing whatever it is that crashes the machine can you: > > 1. run 'fstat /dev/audio* /dev/dsp*' > 2. set 'sysctl hw.snd.verbose=3' and get 'cat /dev/sndstat' > > You can post this output to cg and myself since it's probably of little > interest to anyone else. > > | Since I'm not doing any recording, I would assume that rdch should be > | NULL and the test would avoid the rdch->flags indirection. > > Fake channels get set by the getchns function, which may be to keep the > processing cleaner, ie fewer exceptions. > > | having a hard time figuring out how rdch actually gets set/initialized > | in the driver, and the value that winds up in this code path is very > | bogus. This wasn't a problem with my previous build a few weeks ago. > > Very little in the channel management has changed in the past few > weeks. So > I'm a bit puzzled why this should occur now, but there are other users > reporting problems with locks at present too so there is clearly a > problem, > probably a result of more people running 5.x these days (a good thing, > despite > the teething). > > Cheers > - Orion > > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-multimedia" in the body of the message To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-multimedia" in the body of the message
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