linux-ext4 - [Bug 25832] kernel crashes upon resume if usb devices are removed when suspended

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Message-Id: <201102211648.p1LGmaLd005849@demeter2.kernel.org>
Date:	Mon, 21 Feb 2011 16:48:36 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 #35 from Alan Stern <stern@...land.harvard.edu>  2011-02-21 16:48:34 ---
If you generate plug and unplug events too rapidly, you will overrun the USB
hub driver.  If you run the test while using a VT console instead of X11, and
if you enable CONFIG_USB_DEBUG and do "echo 8 >/proc/sys/kernel/printk" before
starting, you'll be able to see what's going on.

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