From: Milan Broz <mbroz@redhat.com>
To: Ed Lin - PTU <ed.lin@promise.com>
Cc: Dan Carpenter <error27@gmail.com>,
Markus Schulz <msc@antzsystem.de>,
linux-kernel@vger.kernel.org,
device-mapper development <dm-devel@redhat.com>
Subject: Re: data corruption with stex (Promise HW-Raid) driver and device-mapper
Date: Thu, 25 Nov 2010 10:57:04 +0100 [thread overview]
Message-ID: <4CEE32F0.4030302@redhat.com> (raw)
In-Reply-To: <85ABFDC4641C4847BA6088F2982EFD8F049D4273@nonamew.ptu.promise.com>
On 11/16/2010 02:35 AM, Ed Lin - PTU wrote:
> The stex driver sets sg_tablesize as 32 (for st_yel it's 38) in the probe
> entry. It seems that this value was overridden by the system if using
> dm/lvm, for unknown reason. The driver received requests with more
> sg items than registered. Sg item number could be as high as 64. This
> is completely unexpected. The firmware could not handle such
> requests, and error occurred.
Device-mapper respects hw restrictions, so it must be bug somewhere.
Please cc dm-devel if you think that problem is there.
Milan
next prev parent reply other threads:[~2010-11-25 9:57 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-14 12:46 data corruption with stex (Promise HW-Raid) driver and device-mapper Markus Schulz
2010-11-14 19:11 ` Dan Carpenter
2010-11-16 1:35 ` Ed Lin - PTU
2010-11-16 8:37 ` Markus Schulz
2010-11-25 9:57 ` Milan Broz [this message]
2010-11-29 19:35 ` Ed Lin - PTU
2010-11-29 19:35 ` Ed Lin - PTU
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=4CEE32F0.4030302@redhat.com \
--to=mbroz@redhat.com \
--cc=dm-devel@redhat.com \
--cc=ed.lin@promise.com \
--cc=error27@gmail.com \
--cc=linux-kernel@vger.kernel.org \
--cc=msc@antzsystem.de \
/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.