linux-ext4 - [Bug 101011] Kernel Oops when disconnecting a mounted ext4 usb stick

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Date:	Mon, 10 Aug 2015 18:02:02 +0000
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 101011] Kernel Oops when disconnecting a mounted ext4 usb stick

https://bugzilla.kernel.org/show_bug.cgi?id=101011

k.kotlenga@...s.pl changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hch@....de,
                   |                            |linux-ext4@...r.kernel.org

--- Comment #6 from k.kotlenga@...s.pl ---
This bug is still present in 4.2-rc6. Reverting:

commit 08439fec266c3cc5702953b4f54bdf5649357de0
Author: Christoph Hellwig <hch@....de>
Date:   Thu Apr 2 23:56:32 2015 -0400

    ext4: remove block_device_ejected

    bdi->dev now never goes away, so this function became useless.

    Signed-off-by: Christoph Hellwig <hch@....de>
    Signed-off-by: Theodore Ts'o <tytso@....edu>

makes the oops go away, at least for me (I've tested this on v4.1.4 i386 only).
I hope this rings some bells.

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