From: Stephen Warren <swarren@wwwdotorg.org>
To: Chris Mason <chris.mason@fusionio.com>, Olof Johansson <olof@lixom.net>
Cc: Jens Axboe <axboe@kernel.dk>,
Tushar Behera <tushar.behera@linaro.org>,
"linux-next@vger.kernel.org" <linux-next@vger.kernel.org>,
lkml <linux-kernel@vger.kernel.org>,
Kent Overstreet <kmo@daterainc.com>
Subject: Re: Boot failure on Arndale with next-20131105
Date: Tue, 05 Nov 2013 15:06:25 -0700 [thread overview]
Message-ID: <52796BE1.5010306@wwwdotorg.org> (raw)
In-Reply-To: <20131105205623.3802.5166@localhost.localdomain>
On 11/05/2013 01:56 PM, Chris Mason wrote:
> Quoting Olof Johansson (2013-11-05 15:38:33)
>> On Tue, Nov 5, 2013 at 12:33 PM, Chris Mason <chris.mason@fusionio.com> wrote:
>>> Quoting Olof Johansson (2013-11-05 15:23:51)
>>>> On Tue, Nov 5, 2013 at 11:33 AM, Jens Axboe <axboe@kernel.dk> wrote:
>>>
>>> [ horrible crashes fixed by removing my patch ]
>>>
...
> Ok, I think I see it. My guess is that you're hitting bounce buffers.
> __blk_queue_bounce is the only caller of the bio splitting code I can
> see that you might be hitting.
>
> My first patch exposed a lurking bug in bio_clone_biovec. Basically
> bio->bi_vcnt is being doubled instead of initialized.
>
> This patch is only compile tested, but I think it'll fix it.
Tested-by: Stephen Warren <swarren@nvidia.com>
(this fixes the issue on Tegra30/Beaver at least)
next prev parent reply other threads:[~2013-11-05 22:06 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-05 11:49 Boot failure on Arndale with next-20131105 Tushar Behera
2013-11-05 16:42 ` Tomasz Figa
2013-11-05 17:38 ` Stephen Warren
2013-11-05 21:25 ` Jens Axboe
2013-11-08 8:45 ` Stephen Rothwell
2013-11-05 19:59 ` Jens Axboe
2013-11-05 19:33 ` Jens Axboe
2013-11-05 20:23 ` Olof Johansson
2013-11-05 20:33 ` Chris Mason
2013-11-05 20:38 ` Olof Johansson
2013-11-05 20:56 ` Chris Mason
2013-11-05 21:27 ` Olof Johansson
2013-11-05 22:06 ` Stephen Warren [this message]
2013-11-05 22:41 ` Olof Johansson
2013-11-06 0:04 ` Chris Mason
2013-11-06 6:15 ` Tushar Behera
2013-11-05 20:34 ` Jens Axboe
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52796BE1.5010306@wwwdotorg.org \
--to=swarren@wwwdotorg.org \
--cc=axboe@kernel.dk \
--cc=chris.mason@fusionio.com \
--cc=kmo@daterainc.com \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-next@vger.kernel.org \
--cc=olof@lixom.net \
--cc=tushar.behera@linaro.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.