Re: [2.6.9-rc2] ALSA nm256 driver causes system lockup

[Jan De Luyck <lkml@kcore.org>]

On Tuesday 28 September 2004 17:48, Takashi Iwai wrote:
> At Tue, 28 Sep 2004 14:47:17 +0200,
>
> Jan De Luyck wrote:
> > Hello list,
> >
> > I'm trying to configure a laptop (Dell Latitude CXs) with 2.6.9-rc2. All
> > runs well, except the ALSA nm256 driver for the Neomagic Audio chip.
> > Loading this driver results in an immediate and complete system
> > lockup....
> >
> > I've tried appending "vaio_hack=1" on the kernel command line, but that
> > didn't really do anything.
> >
> > ALSA is compiled as modules.
> >
> > Any pointers?
>
> Try to load snd-nm256 driver before X.  The chip uses the video RAM
> for the sound buffer.  It seems that X clears all video RAM that
> confuses the sound driver.  I.e. if you already started X, there is no
> way back :)

Yups, so I read in the documentation accompanying the kernel. It's being 
loaded by hotplug during bootup, but even at that early stage it locks up 
completely.

Jan

-- 
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