linux-kernel - Re: SB600 sound module disabled on kexec

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <9b06e8d20910070309k56f0d019g826c8946d232545a@mail.gmail.com>
Date:	Wed, 7 Oct 2009 12:09:43 +0200
From:	Loïc Grenié <loic.grenie@...il.com>
To:	Takashi Iwai <tiwai@...e.de>
Cc:	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: SB600 sound module disabled on kexec

2009/10/7 Takashi Iwai <tiwai@...e.de>:
> At Sun, 4 Oct 2009 15:39:41 +0200,
> Loïc Grenié wrote:
>>
>>     Hi,
>>
>>     I have had this problem for a long time and not reported
>>   it earlier. Sorry. This might have been true already for
>>   2.6.18...
>>
>>     I have a laptop with an ATI (AMD) SB600 south bridge
>>   including a sound module. When I boot the kernel from the
>>   bootloader, there is no problem: hda-intel drives the module.
>>   When I kexec the kernel, there is a problem with IRQ
>>   configuration and the sound is disabled.
>
> Could you check whether enable_msi=1 option for snd-hda-intel has
> any influence?  I enabled this as default for 2.6.33, and I'd like to
> know any good/bad influence by that.

    No, it does not: on bootloader-boot snd-hda-intel  loads correctly and
  sound is enabled, on kexec however sound is disabled with the same
  "cannot grab IRQ 0" message.

     Thanks,

       Loïc
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/