Date: Wed, 06 Sep 2000 15:40:12 -0500 From: Stephen Hocking <shocking@houston.rr.com> To: Doug Rabson <dfr@nlsystems.com> Cc: multimedia@freebsd.org, current@freebsd.org Subject: Re: Strange problems with AGP driver & sound. Message-ID: <200009062040.e86KeCG19351@bloop.craftncomp.com> In-Reply-To: Your message of "Wed, 06 Sep 2000 21:08:17 BST." <Pine.BSF.4.21.0009062107230.530-100000@salmon.nlsystems.com>
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> >
> > With very recent current sources, the agp driver doesn't probe when loaded as
> > a module, but works OK when compiled into the kernel.
>
> Oh. I thought that was only a problem in 4.x. Can I see a verbose bootlog
> for a kernel where this is a problem.
>
OK - I'm away from the machine at the moment (it's back at home) - I'll boot
the old kernel verbosely and send the results back. Mind you, when I start to
fire up the X server and have it load up DRI & glx modules, it crashes the
machine. The mga module (when I preload it) complains that it needs the agp
module in the bootup messages.
> >
> > However, when compiled into the kernel, it seems to mess up the sound driver
> > (pcm, crystal cs23x) such that no sound or garbled sound at a low volume comes
> > out. Has anyone else seen this? I'm using the mga driver from the XFree86 cvs
> > tree to do 3D work, which is why I'm using the AGP driver.
>
> No idea about this one.
>
Yeah - I think there's some warts lurking in the sound code somewhere. It's odd, becuase the interrupts from the sound device are still coming in at the expected rate - just not any sound, like it's bufferring from some random chunk of clear memory.
Stephen
Stephen
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