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Date:	Mon, 7 Feb 2011 15:36:03 GMT
From:	bugzilla-daemon@...zilla.kernel.org
To:	linux-ext4@...r.kernel.org
Subject: [Bug 25832] kernel crashes upon resume if usb devices are removed
 when suspended

https://bugzilla.kernel.org/show_bug.cgi?id=25832





--- Comment #27 from Theodore Tso <tytso@....edu>  2011-02-07 15:35:59 ---
There is shared umount code paths that are used by all file systems in
fs/super.c, in the VFS layer, of course.

But again, unless you or some userspace program has explicitly requested a
umount, a umount does not happen just because a disk drive has disappeared.  So
if you are locking up right after a resume, there wouldn't have been any _time_
for you or some userspace program to request an umount.   And certainly the
standard desktop userspace programs (e.g., the GNOME desktop) do not
automagically look for kernel I/O error messages caused by a disk disappearing,
and then umount the file system automagically.

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