At Tue, 16 Mar 2010 19:17:52 -0400,
Brian Lindholm wrote:
>
> This patch fixes a regression in 2.6.33.x. Was working in 2.6.32.x.
>
> Symptom: Hang on boot at "HDA Intel". Boots only if on-board sound
> is disabled or if "snd-hda-intel.enable_msi=0" is appended to boot
> parameters.
>
> Machine: ASUS A8N-VM with Athlon-X2 processor.
>
> Relevant output from lspci -nn:
>
> 00:10.1 Audio device [0403]: nVidia Corporation MCP51 High Definition
> Audio [10de:026c] (rev a2)
>
> Relevant output from alsa-info.sh:
>
> 00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio
> (rev a2)
> 00:10.1 0403: 10de:026c (rev a2)
> Subsystem: 10de:cb84
>
> Proposed patch (which has been confirmed to allow boot, with sound
> active):
Thanks for the patch. The issue was already fixed in a different way,
namely, disable MSI for all Nvidia controller chips. The fix will be
included in the next pull request and stable kernel.
Takashi
> diff -dru linux-2.6.33-orig/sound/pci/hda/hda_intel.c
> linux-2.6.33/sound/pci/hda/hda_intel.c
> --- linux-2.6.33-orig/sound/pci/hda/hda_intel.c 2010-03-16
> 17:33:23.487938000 -0400
> +++ linux-2.6.33/sound/pci/hda/hda_intel.c 2010-03-16
> 17:40:36.141225010 -0400
> @@ -2354,6 +2354,7 @@ static void __devinit check_probe_mask(s
> static struct snd_pci_quirk msi_black_list[] __devinitdata = {
> SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 +
> nvidia */
> SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
> + SND_PCI_QUIRK(0x10de, 0xcb84, "ASUS", 0), /* nvidia */
> {}
> };
>
> Signed-off-by: Brian E Lindholm <brian_lindholm@xxxxxxxxxxxxxxxxxxxxx>
>
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