linux-kernel - Re: ALSA/usb-audio: snd_usb_autoresume possible recursive locking detected

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]

Date:	Wed, 26 Aug 2015 15:23:33 +0200
From:	Takashi Iwai <tiwai@...e.de>
To:	Alexander Kuleshov <kuleshovmail@...il.com>
Cc:	Jaroslav Kysela <perex@...ex.cz>, alsa-devel@...a-project.org,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: ALSA/usb-audio: snd_usb_autoresume possible recursive locking detected

On Wed, 26 Aug 2015 15:16:43 +0200,
Alexander Kuleshov wrote:
> 
> On 08-26-15, Takashi Iwai wrote:
> > 
> > Ah, sorry, this was the missing refcount increment at resume.
> > Below is the revised patch.  In the final form, it'll be split to a
> > few parts, but now it's all folded for ease of testing.
> > 
> 
> Hello Takashi,
> 
> sorry for delay, just made a test with the last patch and finally
> dmesg is clear.

Great, thanks for many tests!

I tried the autopm on my machine, but strangely I couldn't reproduce
this lockdep warning.  Could you give your kconfig?  I'd like to
check.


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/