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: Sat, 19 Feb 2011 15:55:20 GMT
Message-ID: <201102191555.p1JFtKVd009476@demeter2.kernel.org>
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--- Comment #30 from Alan Stern 2011-02-19 15:55:19 ---
I don't know about tracking this down, but for testing purposes you can
reproduce these conditions without actually unplugging and replugging the
device. All you have to do is go into the /sys/bus/usb/drivers/usb_storage
directory. In there, you'll see a file representing each usb-storage device in
your system, with names like "2-1.2:1.0".
To imitate an unplug, write the corresponding file name to the "unbind" file.
To imitate a replug, write the file name to the "bind" file. For example:
echo -n 2-1.2:1.0 >unbind
echo -n 2-1.2:1.0 >bind
This can easily be automated in a shell-script loop, which should speed up your
testing.
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