Public bug reported:
On a Thinkpad T410s, as well as a T410 and X201, the uvcvideo module in
the Lucid kernel frequently causes a failure to suspend. The symptom is
that the system attempts to suspend but just drops you back at the
unlock screen.
/var/log/pm-suspend reports:
/usr/lib/pm-utils/pm-functions: line 317: echo: write error: Device or resource
busy
Line 317 is: echo -n "mem" > /sys/power/state
Kern.log indicates the following:
PM: Device 1-1.6 failed to suspend: error -110
Device 1-1.6 is the integrated UVC camera with USB id 17ef:480d
By upgrading the uvcvideo module to the one from linuxtv.org, the
problem goes away. I'm hoping that the lucid uvcvideo module can get an
update, or a patch that fixes this problem, since it's already been
fixed upstream. However, it is also possible to work around the problem
by adding uvcvideo to SUSPEND_MODULES in pm-utils.
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: glucid
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https://bugs.launchpad.net/bugs/732252
Title:
usbvideo causes failure to suspend on Thinkpad T410s
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