Re: cmipci driver locking up linux hard

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At Mon, 7 Aug 2006 12:53:47 -0700 (PDT),
Christoph Lameter wrote:
> 
> On Mon, 7 Aug 2006, Takashi Iwai wrote:
> 
> > diff -r c02c4dc749e7 pci/cmipci.c
> > --- a/pci/cmipci.c	Sat Aug 05 13:48:40 2006 +0200
> > +++ b/pci/cmipci.c	Mon Aug 07 20:02:53 2006 +0200
> > @@ -2825,7 +2825,7 @@ static int __devinit snd_cmipci_create(s
> >  		.dev_free =	snd_cmipci_dev_free,
> >  	};
> >  	unsigned int val = 0;
> > -	long iomidi;
> > +	long iomidi = 0;
> >  	int integrated_midi;
> >  	int pcm_index, pcm_spdif_index;
> >  	static struct pci_device_id intel_82437vx[] = {
> > @@ -2931,6 +2931,7 @@ static int __devinit snd_cmipci_create(s
> >  		return err;
> >  	}
> >  
> > +#if 0
> >  	integrated_midi = snd_cmipci_read_b(cm, CM_REG_MPU_PCI) != 0xff;
> >  	if (integrated_midi && mpu_port[dev] == 1)
> >  		iomidi = cm->iobase + CM_REG_MPU_PCI;
> > @@ -2953,6 +2954,7 @@ static int __devinit snd_cmipci_create(s
> >  
> >  	if ((err = snd_cmipci_create_fm(cm, fm_port[dev])) < 0)
> >  		return err;
> > +#endif
> >  
> >  	/* reset mixer */
> >  	snd_cmipci_mixer_write(cm, 0, 0);
> > 
> 
> Tried the patch and it looked up on the first gnome sound. Rebooted again 
> and now its okay just occasionally doing gnome beeps (same as before). 
> Will lockup if I play an mp3.

Hm, it sounds really odd. 

I'm afraid that the problem might lie rahter on the VIA controller
side.  Which devices are sharing the same irq line?


Takashi

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