From: David Brownell <david-b@pacbell.net>
To: Alan Stern <stern@rowland.harvard.edu>
Cc: Mike Anderson <andmike@us.ibm.com>,
Florin Iucha <florin@iucha.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: Sat, 17 May 2003 09:33:41 -0700 [thread overview]
Message-ID: <3EC66465.6020700@pacbell.net> (raw)
In-Reply-To: Pine.LNX.4.44L0.0305171108050.26146-100000@netrider.rowland.org
> What happens is that the device crashes because of the 3-byte
> MODE-SENSE(6) request. The scsi error handler tries various levels of
> fault recovery, all the way up to a bus reset. Usb-storage implements the
> bus reset as a USB port reset, which requires usbcore to re-enumerate
> the device. The line
>
> drivers/usb/core/message.c: usb_control/bulk_msg: timeout
>
> refers to a failure during the re-enumeration. Apparently even the port
> reset was not enough to revive the device.
That reset couldn't re-assign the address, so of course it failed.
In hub.c, usb_physical_reset_device() is leaving dev->state as
USB_STATE_CONFIGURED after resetting the port, and of course it's
not legal to set the address of a device in that state.
- Dave
next prev parent reply other threads:[~2003-05-17 17:40 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
2003-05-16 22:29 ` Mike Anderson
2003-05-17 15:29 ` Alan Stern
2003-05-17 16:33 ` David Brownell [this message]
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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