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

From: Takashi Iwai
Date: Wed Aug 26 2015 - 09:23:38 EST

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

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