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: <s5hvcber5cz.wl%tiwai@suse.de>
Date:	Thu, 03 Jan 2013 10:19:24 +0100
From:	Takashi Iwai <tiwai@...e.de>
To:	Vincent Blut <vincent.debian@...e.fr>
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [3.6.9 -> 3.7.1 regression] sound: snd_hda_intel codec probing issue?

At Fri, 28 Dec 2012 15:25:40 +0100,
Vincent Blut wrote:
> 
> Hi,
> 
> Since I updated to Linux 3.7.1, listening to some audio/video bits
> frequently cause the following:
> 
> [ 7896.166946] hda-intel: azx_get_response timeout, switching to polling
> mode: last cmd=0x020c0000
> [ 7897.173444] hda-intel: No response from codec, disabling MSI: last
> cmd=0x020c0000
> [ 7898.179932] hda_intel: azx_get_response timeout, switching to
> single_cmd mode: last cmd=0x020c0000
> [ 7898.179983] hda-codec: out of range cmd 0:0:20:400:fffff7ff
> [ 9445.034371] plugin-containe[5873]: segfault at 7f44bb95e639 ip
> 00007f44e454bca0 sp 00007f44c91165f8 error 4 in
> libc-2.13.so[7f44e442c000+180000]
> 
> It seems to be a codec probing failure (?). This is really fatal because
> the sound become very choppy and can't recover until I reboot.
> I'll try to play with 'probe_mask' kernel parameter to see if I can
> narrow the correct codec slots!
> 
> By the way I can't reproduce this on 3.6.9, so is there something that
> changed in this area in 3.7.1?

If it's new in 3.7, this could be a regression by runtime D3.
Try to pass power_save_controller=0 option to snd-hda-intel module
(or change it via sysfs dynamically).


thanks,

Takashi
--
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/

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ