linux-kernel - Re: [BUG] kernel BUG at /.../block/cfq-iosched.c:3145!

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Message-ID: <5346012A.50901@fb.com>
Date:	Wed, 9 Apr 2014 20:25:46 -0600
From:	Jens Axboe <axboe@...com>
To:	Benjamin Herrenschmidt <benh@...nel.crashing.org>
CC:	Jan Kara <jack@...e.cz>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	James Bottomley <James.Bottomley@...senPartnership.com>,
	Brian J King <bjking1@...ibm.com>
Subject: Re: [BUG] kernel BUG at /.../block/cfq-iosched.c:3145!

On 2014-04-09 19:36, Benjamin Herrenschmidt wrote:
> On Wed, 2014-04-09 at 19:31 -0600, Jens Axboe wrote:
>> OK, I think we're seeing different symptoms of the same bug. Stay
>> tuned, will have something for you to test shortly, I hope.
>
> Ah thanks. I'll defer the bisection then (it's painful on that machine
> for various reasons....)

Can you try with these two patches applied?

-- 
Jens Axboe


View attachment "scsi-flags.patch" of type "text/x-patch" (5331 bytes)

View attachment "blk-ipi-v2.patch" of type "text/x-patch" (4662 bytes)