linux-kernel - Re: snd_hda_intel 2.6.24-rc2 bug: interrupts don't always work on Lenovo X60s

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Message-ID: <ada3av8234o.fsf@cisco.com>
Date:	Wed, 14 Nov 2007 08:39:03 -0800
From:	Roland Dreier <rdreier@...co.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: snd_hda_intel 2.6.24-rc2 bug: interrupts don't always work on Lenovo X60s

 > Roland Dreier wrote:
 > > > >     [ 2311.759856] ACPI: PCI Interrupt 0000:00:1b.0[B] -> GSI 17 (level, low) -> IRQ 21
 > > > >     [ 2311.759866] hda_intel: probe_mask set to 0x1 for device 17aa:2010
 > > > >     [ 2311.759886] PCI: Setting latency timer of device 0000:00:1b.0 to 64
 > > > >     [ 2312.911309] hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x003f000c

 > Anyway, could you try the patch below?  As far as I see, it's the only
 > part that may access PINCAP verb for that NID.

This seems to help in that I don't see the "azx_get_response timeout"
message on every module load as I do with mainline, but I still see a
problem with a different cmd after a few load-unload cycles:

[  257.503143] ACPI: PCI interrupt for device 0000:00:1b.0 disabled
[  259.215359] ACPI: PCI Interrupt 0000:00:1b.0[B] -> GSI 17 (level, low) -> IRQ 22
[  259.215372] hda_intel: probe_mask set to 0x1 for device 17aa:2010
[  259.215398] PCI: Setting latency timer of device 0000:00:1b.0 to 64
[  263.418591] ACPI: PCI interrupt for device 0000:00:1b.0 disabled
[  265.626093] ACPI: PCI Interrupt 0000:00:1b.0[B] -> GSI 17 (level, low) -> IRQ 22
[  265.626105] hda_intel: probe_mask set to 0x1 for device 17aa:2010
[  265.626133] PCI: Setting latency timer of device 0000:00:1b.0 to 64
[  320.898290] ACPI: PCI interrupt for device 0000:00:1b.0 disabled
[  322.874182] ACPI: PCI Interrupt 0000:00:1b.0[B] -> GSI 17 (level, low) -> IRQ 22
[  322.874196] hda_intel: probe_mask set to 0x1 for device 17aa:2010
[  322.874228] PCI: Setting latency timer of device 0000:00:1b.0 to 64
[  333.087177] ACPI: PCI interrupt for device 0000:00:1b.0 disabled
[  334.024358] ACPI: PCI Interrupt 0000:00:1b.0[B] -> GSI 17 (level, low) -> IRQ 22
[  334.024371] hda_intel: probe_mask set to 0x1 for device 17aa:2010
[  334.024395] PCI: Setting latency timer of device 0000:00:1b.0 to 64
[  335.422296] hda_intel: azx_get_response timeout, switching to polling mode: last cmd=0x002f0d00

Thanks,
  Roland
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