From mboxrd@z Thu Jan 1 00:00:00 1970
From: bugzilla-daemon@bugzilla.kernel.org
Subject: [Bug 25832] kernel crashes upon resume if usb devices are removed
when suspended
Date: Fri, 1 Apr 2011 15:09:06 GMT
Message-ID: <201104011509.p31F96vv020503@demeter1.kernel.org>
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--- Comment #53 from Theodore Tso 2011-04-01 15:09:03 ---
Folks who are experiencing this problem might want to try 2.6.38.2. There was
a fix that was committed to mainline and backported to the stable kernels that
may fix this problem:
commit 95f28604a65b1c40b6c6cd95e58439cd7ded3add
Author: Jens Axboe
Date: Thu Mar 17 11:13:12 2011 +0100
fs: assign sb->s_bdi to default_backing_dev_info if the bdi is going away
We don't have proper reference counting for this yet, so we run into
cases where the device is pulled and we OOPS on flushing the fs data.
This happens even though the dirty inodes have already been
migrated to the default_backing_dev_info.
Reported-by: Torsten Hilbrich
Tested-by: Torsten Hilbrich
Cc: stable@kernel.org
Signed-off-by: Jens Axboe
Sorry for not responding to this bug sooner, but I've been crazy busy in the
last couple of weeks; troubleshooting and discussion was taking place on LKML,
and I was pretty sure this wasn't an ext4 specific issue.
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