From: James Bottomley <James.Bottomley@SteelEye.com>
To: Mark Haverkamp <markh@osdl.org>
Cc: linux-scsi <linux-scsi@vger.kernel.org>
Subject: Re: aacraid probe breaks in scsi-block-2.6.git
Date: Wed, 10 Aug 2005 12:27:16 -0500 [thread overview]
Message-ID: <1123694836.5134.14.camel@mulgrave> (raw)
In-Reply-To: <1123694406.30596.10.camel@markh1.pdx.osdl.net>
On Wed, 2005-08-10 at 10:20 -0700, Mark Haverkamp wrote:
> While trying out a recent mm kernel I noticed that when I loaded the
> aacraid driver I saw errors probing the disks:
>
> sdc : sector size 0 reported, assuming 512.
> SCSI device sdc: 1 512-byte hdwr sectors (0 MB)
Sigh, I guess this is because aacraid is making illegal assumptions
about the format of certain commands it emulates?
We had a similar issue with 3w-xxxx which assumed commands like INQUIRY,
READ_CAPACITY and MODE_SENSE only came from the kernel, so would never
have use_sg != 0. This is, of course, wrong, since such commands can
and do come from SG_IO.
The fix is probably similar to the 3w-xxxx one.
James
next prev parent reply other threads:[~2005-08-10 17:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-08-10 17:20 aacraid probe breaks in scsi-block-2.6.git Mark Haverkamp
2005-08-10 17:27 ` James Bottomley [this message]
2005-08-15 16:53 ` [PATCH] aacraid 2.6: Fix aacraid probe breakage " Mark Haverkamp
2005-08-15 17:01 ` James Bottomley
-- strict thread matches above, loose matches on Subject: below --
2005-08-10 17:28 aacraid probe breaks " Salyzyn, Mark
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