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Date: Wed, 26 Apr 2023 06:59:41 -0700
From: Jakub Kicinski <kuba@kernel.org>
To: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>, Takashi Iwai <tiwai@suse.com>,
 alsa-devel@alsa-project.org, linux-usb@vger.kernel.org, Greg Kroah-Hartman
 <gregkh@linuxfoundation.org>, regressions@lists.linux.dev
Subject: Re: USB sound card freezes USB after resume from suspend
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On Wed, 26 Apr 2023 13:04:15 +0200 Jaroslav Kysela wrote:
> > A good point, it'll be a patch like below.  
> 
> It looks good.
> 
> Reviewed-by: Jaroslav Kysela <perex@perex.cz>
> 
> > But we still need to figure out what's actually happening there.
> >     
> >> But I cannot reproduce this lock here.  
> > 
> > Here too.  Could be tied with the config or the device?  
> 
> Perhaps. Jakub, could you do more debugging (printk, traces)?

Let me get back to you on Saturday - I'll test the patch and try a bit
of bisecting. Can't promise much in terms of printing, because IDK what
to print :(