From: florin@iucha.net (Florin Iucha)
To: Alan Stern <stern@rowland.harvard.edu>
Cc: David Brownell <david-b@pacbell.net>,
USB development list <linux-usb-devel@lists.sourceforge.net>,
linux-scsi@vger.kernel.org
Subject: Re: [linux-usb-devel] USB Storage oops in 2.5.69-bk8
Date: Fri, 16 May 2003 16:44:12 -0500 [thread overview]
Message-ID: <20030516214412.GF11884@iucha.net> (raw)
In-Reply-To: <Pine.LNX.4.44L0.0305161715250.1555-100000@ida.rowland.org>
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On Fri, May 16, 2003 at 05:23:59PM -0400, Alan Stern wrote:
> Good. This clearly shows the problem. It's an error in the SCSI driver.
> It has shown up before and been discussed at length a few weeks ago. The
> problem is that a MODE-SENSE(6) command is requesting a transfer of 3
> bytes, which is smaller than the minimum of 4 bytes for that command.
> The device doesn't like it and crashes.
>
> The SCSI people are supposed to be working on this. First, we should be
> using MODE-SENSE(10) by default rather than MODE-SENSE(6). Second, we
> should never request a transfer smaller than the minimum allowed size.
> When these changes are ready you shouldn't have any more trouble.
>
> The OOPS you got originally was caused by the lack of proper
> hot-unplugging cooperation between usb-storage and the SCSI driver.
At GregKH's suggestion I have opened a bug in 'zilla:
http://bugme.osdl.org/show_bug.cgi?id=724
You might want to update it or close it.
Thank you,
florin
--
"NT is to UNIX what a doughnut is to a particle accelerator."
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next prev parent reply other threads:[~2003-05-16 21:31 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20030516190414.GD11884@iucha.net>
2003-05-16 21:23 ` [linux-usb-devel] USB Storage oops in 2.5.69-bk8 Alan Stern
2003-05-16 21:44 ` Florin Iucha [this message]
2003-05-16 22:29 ` Mike Anderson
2003-05-17 15:29 ` Alan Stern
2003-05-17 16:33 ` David Brownell
2003-05-18 18:31 ` Alan Stern
2003-05-18 23:46 ` David Brownell
2003-05-21 15:19 ` Bug in hot-unplugging for SCSI CD-ROM Alan Stern
2003-05-17 18:38 ` [linux-usb-devel] USB Storage oops in 2.5.69-bk8 Patrick Mansfield
2003-05-31 14:35 ` Florin Iucha
2003-05-20 14:11 ` Patch: change the serial_number for error-handler commands Alan Stern
2003-05-20 21:25 ` Luben Tuikov
2003-05-21 1:19 ` Alan Stern
2003-05-21 18:03 ` Mike Anderson
2003-05-21 18:50 ` Luben Tuikov
2003-05-21 19:18 ` Luben Tuikov
2003-05-21 20:28 ` Mike Anderson
2003-05-21 21:11 ` Luben Tuikov
2003-05-21 23:15 ` Patrick Mansfield
2003-05-22 5:47 ` Luben Tuikov
2003-05-21 19:57 ` Alan Stern
2003-05-21 20:42 ` Luben Tuikov
2003-05-21 21:05 ` Alan Stern
2003-05-21 21:19 ` James Bottomley
2003-05-21 22:53 ` Mike Anderson
2003-06-11 17:41 ` PATCH: (as33) Remove /proc/scsi directory in scsi_remove_host() Alan Stern
2003-06-11 18:23 ` Mike Anderson
2003-06-12 6:04 ` Christoph Hellwig
2003-06-12 6:51 ` Mike Anderson
2003-06-12 21:00 ` PATCH: (as33b) " Alan Stern
2003-06-12 21:58 ` Mike Anderson
2003-06-13 14:38 ` Alan Stern
2003-06-15 13:01 ` Christoph Hellwig
2003-05-21 19:24 ` Patch: change the serial_number for error-handler commands Luben Tuikov
2003-05-16 15:56 Fwd: Re: [linux-usb-devel] USB Storage oops in 2.5.69-bk8 Florin Iucha
2003-05-16 16:22 ` Mike Anderson
2003-05-16 17:25 ` Florin Iucha
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