linux-kernel - Re: [3.9-rc5 regression, BISECTED] INFO: task umount:29671 blocked for more than 120 seconds

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Message-ID: <20130410121350.GB12244@kernel.dk>
Date:	Wed, 10 Apr 2013 14:13:50 +0200
From:	Jens Axboe <axboe@...nel.dk>
To:	Jan Kara <jack@...e.cz>
Cc:	Jongman Heo <jongman.heo@...sung.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Phillip Susi <psusi@...ntu.com>
Subject: Re: [3.9-rc5 regression, BISECTED] INFO: task umount:29671 blocked
 for more than 120 seconds

On Wed, Apr 10 2013, Jan Kara wrote:
> Axboe <axboe@...nel.dk>, Phillip Susi <psusi@...ntu.com>
> Bcc: 
> Subject: Re: [3.9-rc5 regression, BISECTED] INFO: task umount:29671 blocked
>  for more than 120 seconds
> Reply-To: 
> In-Reply-To: <12072206.85601365230982200.JavaMail.weblogic@...l02>
> 
>   Hello,
> 
> On Sat 06-04-13 06:49:42, Jongman Heo wrote:
> > Once I reported this issue (on 1st Apr), and have just done git bisect.
> > 
> > I hit kernel hang with 3.9-rc5, during unmount (the device was mounted via loop device, in case it matters).
>   This is known problem and I think already fixed. BTW, it's good to CC
> author of the patch and the relevant maintainer when you bisected the
> problem to a particular patch.

Yep it is, revert went into Linus -git yesterday. And agree on CC'ing
the patch author and maintainer, it's the best way to ensure that it
gets the proper attention it deserves.

-- 
Jens Axboe

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