From: Matthew Dharm <mdharm-kernel@one-eyed-alien.net>
To: Jim Ramsay <jim.ramsay@gmail.com>
Cc: linux-usb-users@lists.sourceforge.net,
Linux Kernel <linux-kernel@vger.kernel.org>
Subject: Re: [Linux-usb-users] Possible bug in usb storage (2.6.11 kernel)
Date: Thu, 8 Sep 2005 10:58:52 -0700 [thread overview]
Message-ID: <20050908175852.GA3196@one-eyed-alien.net> (raw)
In-Reply-To: <4789af9e05090810142bd3531d@mail.gmail.com>
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On Thu, Sep 08, 2005 at 11:14:36AM -0600, Jim Ramsay wrote:
> I think I have found a possible bug:
> [...]
> I suppose the scsi code could be changed to guarantee that
> srb->request_buffer is page-aligned or cache-aligned, but that seems
> like the wrong solution for this bug.
Fixing the SCSI layer is -exactly- the correct solution. The SCSI layer is
supposed to guarantee us that those buffers are suitable for DMA'ing, and
apparently it's violating that promise.
Matt
--
Matthew Dharm Home: mdharm-usb@one-eyed-alien.net
Maintainer, Linux USB Mass Storage Driver
What, are you one of those Microsoft-bashing Linux freaks?
-- Customer to Greg
User Friendly, 2/10/1999
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next prev parent reply other threads:[~2005-09-08 17:58 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-09-08 17:14 Jim Ramsay
2005-09-08 17:58 ` Matthew Dharm [this message]
2005-09-08 19:52 ` [Linux-usb-users] " Jim Ramsay
2005-09-08 20:28 ` Jim Ramsay
2005-09-08 20:40 ` Alan Stern
2005-09-27 13:38 ` Atsushi Nemoto
2005-09-27 14:21 ` Alan Stern
2005-09-27 14:46 ` Atsushi Nemoto
2005-09-27 15:38 ` Alan Stern
2005-09-28 16:27 ` Atsushi Nemoto
2005-09-30 16:48 ` Ralf Baechle
2005-09-08 20:43 ` Matthew Dharm
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