At Wed, 6 Sep 2006 22:59:53 +0200,
Rafael J. Wysocki wrote:
>
> Hi,
>
> I get the appended BUG when I try to rmmod snd_hda_intel on 2.6.18-rc5-mm1
> (the box is an HPC nx6325).
>
> The driver also breaks the suspend to disk (causes an oops to appear during
> the suspend phase, but I haven't been able to catch it yet).
Could you try the patch below? It's pending on my local tree for
testing... Also, you can use disable_msi=1 option to avoid MSI.
Takashi
diff -r f38b7e4c44c3 Documentation/sound/alsa/ALSA-Configuration.txt
--- a/sound/alsa/Documentation/ALSA-Configuration.txt Wed Sep 06 16:03:11 2006 +0200
+++ b/sound/alsa/Documentation/ALSA-Configuration.txt Thu Sep 07 11:15:07 2006 +0200
@@ -758,6 +758,7 @@ Prior to version 0.9.0rc4 options had a
position_fix - Fix DMA pointer (0 = auto, 1 = none, 2 = POSBUF, 3 = FIFO size)
single_cmd - Use single immediate commands to communicate with
codecs (for debugging only)
+ disable_msi - Disable Message Signaled Interrupt (MSI)
This module supports one card and autoprobe.
diff -r f38b7e4c44c3 sound/pci/hda/hda_intel.c
--- a/sound/pci/hda/hda_intel.c Wed Sep 06 16:03:11 2006 +0200
+++ b/sound/pci/hda/hda_intel.c Thu Sep 07 11:16:34 2006 +0200
@@ -1422,8 +1422,9 @@ static int azx_free(struct azx *chip)
}
if (chip->irq >= 0) {
- pci_disable_msi(chip->pci);
free_irq(chip->irq, (void*)chip);
+ if (!disable_msi)
+ pci_disable_msi(chip->pci);
}
if (chip->remap_addr)
iounmap(chip->remap_addr);
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