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

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Date:	Tue, 26 Jan 2010 20:58:31 +0000
From:	Sid Boyce <sboyce@...eyonder.co.uk>
To:	"Rafael J. Wysocki" <rjw@...k.pl>
CC:	Takashi Iwai <tiwai@...e.de>,
	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

I forgot to mention 2.6.33-rc5 now boots successfully.
Regards
Sid.

On 26/01/10 18:22, 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).
> 
>> # 9LTX.vLXC8EvZgR7:MCP55 High Definition Audio
>> alias snd-card-0 snd-hda-intel
> 
> Rafael
> 


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

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