linux-kernel - Re: A reliable kernel panic (3.6.2) and system crash when visiting a particular website

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Message-ID: <Pine.LNX.4.44L0.1211081054340.1280-100000@iolanthe.rowland.org>
Date:	Thu, 8 Nov 2012 10:55:50 -0500 (EST)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Takashi Iwai <tiwai@...e.de>
cc:	Daniel Mack <zonque@...il.com>,
	Christof Meerwald <cmeerw@...erw.org>,
	"Artem S. Tashkinov" <t.artem@...os.com>,
	Kernel development list <linux-kernel@...r.kernel.org>,
	USB list <linux-usb@...r.kernel.org>
Subject: Re: A reliable kernel panic (3.6.2) and system crash when visiting
 a particular website

On Thu, 8 Nov 2012, Takashi Iwai wrote:

> At Thu, 08 Nov 2012 08:31:35 +0100,
> Daniel Mack wrote:
> (snip)
> > >> We can't simply stop both endpoints in the prepare callback.
> > > 
> > > The new function doesn't stop the stream by itself but it just syncs
> > > if the stream is being stopped beforehand.  So, it's safe to call it
> > > there.
> > > 
> > > Maybe the name was confusing.  It should have been like
> > > snd_usb_endpoint_sync_pending_stop() or such.
> > 
> > Ah, right. I was errornously looking closer to Alan's patch but then
> > replied to yours. Alright then - thanks for explaining :)
> 
> OK, thanks for checking.
> 
> FWIW, below is the patch I applied now to for-linus branch.
> Renamed the function, added the comment and put NULL check to the
> function to simplify.

Thanks for fixing this.  Is your patch marked for -stable?

I have submitted a patch for ehci-hcd, so we should be all set.

Alan Stern

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