From: Jens Axboe <axboe@kernel.dk>
To: Arthur Marsh <arthur.marsh@internode.on.net>
Cc: shli@kernel.org, neilb@suse.de, linux-kernel@vger.kernel.org
Subject: Re: git-bisect points to block: discard granularity might not be power of 2
Date: Thu, 20 Dec 2012 14:40:22 +0100 [thread overview]
Message-ID: <50D31546.7020402@kernel.dk> (raw)
In-Reply-To: <5806f82593938f8c5ec753ef9f1f27cbc5508ddc@webmail.internode.on.net>
On 2012-12-20 14:33, Arthur Marsh wrote:
> Hi,
> one of my machines is locking up fairly early in the boot process (about 1.4 seconds in) with recent kernels and a git-bisect lead to:
> commit 8dd2cb7e880d2f77fba53b523c99133ad5054cfd
>
> Author: Shaohua Li <shli@kernel.org>
> Date: Fri Dec 14 11:15:36 2012 +0800
>
> block: discard granularity might not be power of 2
>
> In MD raid case, discard granularity might not be power of 2, for example, a
> 4-disk raid5 has 3*chunk_size discard granularity. Correct the calculation for
> such cases.
>
> Reported-by: Neil Brown <neilb@suse.de>
> Signed-off-by: Shaohua Li <shli@fusionio.com>
> Signed-off-by: Jens Axboe <axboe@kernel.dk>
>
> The machine is a dual core Pentium IV with 2 IDE and one SCSI disk. I've tried pulling the SCSI card out and the problem still occurs.
>
> There are no software raid arrays assembled in the boot process.
>
> Short of taking a photo of the monitor with the dump on it I'm a bit stuck as to what to do to further identify the problem.
Should be fixed in Linus' tree as-of yesterday. So please try that and
report back if it doesn't work.
--
Jens Axboe
parent reply other threads:[~2012-12-20 13:41 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <5806f82593938f8c5ec753ef9f1f27cbc5508ddc@webmail.internode.on.net>]
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=50D31546.7020402@kernel.dk \
--to=axboe@kernel.dk \
--cc=arthur.marsh@internode.on.net \
--cc=linux-kernel@vger.kernel.org \
--cc=neilb@suse.de \
--cc=shli@kernel.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.