linux-kernel - Re: HDA Intel Audio hang on boot

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Message-ID: <4B5F56F7.3030008@blueyonder.co.uk>
Date:	Tue, 26 Jan 2010 20:56:23 +0000
From:	Sid Boyce <sboyce@...eyonder.co.uk>
To:	Takashi Iwai <tiwai@...e.de>
CC:	"Rafael J. Wysocki" <rjw@...k.pl>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Kernel Testers List <kernel-testers@...r.kernel.org>
Subject: Re: HDA Intel Audio hang on boot

On 26/01/10 20:25, Takashi Iwai wrote:
> At Tue, 26 Jan 2010 19:22:35 +0100,
> Rafael J. Wysocki wrote:
>>
>> On Tuesday 26 January 2010, Sid Boyce wrote:
>>> On 26/01/10 12:55, Takashi Iwai wrote:
>>>> At Tue, 26 Jan 2010 12:02:44 +0000,
>>>> Sid Boyce wrote:
>>>>>
>>>>> On 26/01/10 06:58, Takashi Iwai wrote:
>>>>>> At Tue, 26 Jan 2010 07:40:03 +0100,
>>>>>> I wrote:
>>>>>>>
>>>>>>> At Tue, 26 Jan 2010 00:59:15 +0000,
>>>>>>> Sid Boyce wrote:
>>>>>>>>
>>>>>>>> On 25/01/10 21:55, Takashi Iwai wrote:
>>>>>>>>> At Mon, 25 Jan 2010 22:54:23 +0100,
>>>>>>>>> I wrote:
>>>>>>>>>>
>>>>>>>>>> At Mon, 25 Jan 2010 22:39:02 +0100,
>>>>>>>>>> Rafael J. Wysocki wrote:
>>>>>>>>>>>
>>>>>>>>>>> On Monday 25 January 2010, Sid Boyce wrote:
>>>>>>>>>>>> On 15/01/10 01:24, Sid Boyce wrote:
>>>>>>>>>>>> This is the only outstanding bug. No problems up 2.6.32-git1, but I get
>>>>>>>>>>>> a solid lock-up on 2.6.32-git2 through 2.6.33-rc5 if the on-board audio
>>>>>>>>>>>> is not disabled in the BIOS.
>>>>>>>>>>>
>>>>>>>>>>> I guess we should let Takashi know.
>>>>>>>>>>
>>>>>>>>>> Thanks.
>>>>>>>>>>
>>>>>>>>>>>>> tindog:~ # uname -r
>>>>>>>>>>>>> 2.6.33-rc4-smp
>>>>>>>>>>>>> On 2.6.32-git1 which boots, hwinfo shows:-
>>>>>>>>>>>>>   oss.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   oss.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   oss.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   alsa.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   alsa.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   alsa.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   alsa.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   info.product = 'HDA NVidia ALSA hardware specific Device'
>>>>>>>>>>>>>   alsa.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   info.product = 'HDA NVidia ALSA Control Device'
>>>>>>>>>>>>>   alsa.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   info.product = 'HDA NVidia Sound Card'
>>>>>>>>>>>>>   sound.card_id = 'HDA NVidia'
>>>>>>>>>>>>>   info.linux.driver = 'HDA Intel'
>>>>>>>>>>>>>     22:     489835        578   IO-APIC-fasteoi   sata_nv, HDA Intel
>>>>>>>>>>>>>        HDA Intel: /devices/pci0000:00/0000:00:0e.1
>>>>>>>>>>>>>        HDA Intel: module = snd_hda_intel
>>>>>>>>>>>>> irq:0 22 (   490413) "sata_nv" "HDA Intel"
>>>>>>>>>>>>>        HDA Intel: /devices/pci0000:00/0000:00:0e.1
>>>>>>>>>>>>>        HDA Intel: module = snd_hda_intel
>>>>>>>>>>>>>        HDA Intel: /devices/pci0000:00/0000:00:0e.1
>>>>>>>>>>>>>        HDA Intel: module = snd_hda_intel
>>>>>>>>>>>>>   E: DRIVER=HDA Intel
>>>>>>>>>>>>>   <6>HDA Intel 0000:00:0e.1: PCI INT B -> Link[AAZA] -> GSI 22 (level,
>>>>>>>>>>>>> low) -> IRQ 22
>>>>>>>>>>>>>   <7>HDA Intel 0000:00:0e.1: setting latency timer to 64
>>>>>>>>>>>>>   Driver: "HDA Intel"
>>>>>>>>>>
>>>>>>>>>> What I'd try first is to pass enable_msi=0 option.
>>>>>>>>>
>>>>>>>>> Just to be sure -- it's an option for snd-hda-intel module.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Takashi
>>>>>>>>>
>>>>>>>>
>>>>>>>> I passed "modprobe snd-hda-intel enable_msi=0" on the kernel command
>>>>>>>> line,
>>>>>>
>>>>>> Oh, I overlooked this text.  Of course, this can't work :)
>>>>>>
>>>>>> "modprobe..." isn't for the kernel command line but for modprobe
>>>>>> configs, usually specified in /etc/modprobe.d/* file.
>>>>>>
>>>>> I had already tried that... it locks up at the same point also with
>>>>> "enable_msi=1".
>>>>> tindog:/etc/modprobe.d # less 50-sound.conf
>>>>>
>>>>> options snd slots=snd-hda-intel,enable_msi=0
>>>>
>>>> This is the option for module snd, not snd-hda-intel.
>>>>
>>>>
>>>> Takashi
>>>>
>>> options snd,enable_msi=0 slots=snd-hda-intel
>>
>> options snd enable_msi=0 slots=snd-hda-intel
>>
>> (ie. the comma shouldn't be present in there).
> 
> Heh, not quite right :)
> You need just a new line containing:
> 
>     options snd-hda-intel enable_msi=0
> 
> 
> Takashi
> 
Apologies, with the following it boots successfully.
options slots=snd-hda-intel
# 9LTX.vLXC8EvZgR7:MCP55 High Definition Audio
alias snd-card-0 snd-hda-intel
options snd-hda-intel enable_msi=0

Regards
Sid.
-- 
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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