linux-ext4 - Oops in block/ext4 layer on USB3 hard drive connect

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Message-ID: <20111003185235.GA12865@xanatos>
Date:	Mon, 3 Oct 2011 11:52:35 -0700
From:	Sarah Sharp <sarah.a.sharp@...ux.intel.com>
To:	Jens Axboe <axboe@...nel.dk>, Theodore Ts'o <tytso@....edu>,
	Andreas Dilger <adilger.kernel@...ger.ca>
Cc:	linux-ext4@...r.kernel.org,
	USB Storage List <usb-storage@...ts.one-eyed-alien.net>
Subject: Oops in block/ext4 layer on USB3 hard drive connect

Hi Jens, Ted, and Andreas,

A co-worker of mine found a 100% reproducible oops that happens when a
IOMEGA USB 3.0 hard drive is plugged into a particular machine.  It
looks like an oops in the block or EXT4 layer, and it doesn't seem to be
in the xHCI (USB 3.0 host controller) driver.  (Although looking at the
log again, it seems show a cut-off oops at the beginning of the log...)

This appears on the 3.0.4 stable kernel.  dmesg is attached.  Let me
know if you need any other info to help solve this issue.

Sarah Sharp

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