This might be fixed in the final 3.2 kernel by this commit:
author Seth Forshee
Wed, 16 Nov 2011 23:37:45 +0000 (17:37 -0600)
committer Matthew Garrett
Mon, 5 Dec 2011 18:07:28 +0000 (13:07 -0500)
commit 11948b9335865dc0ba3a5ca2c9c255291a8d50fb
tree e24f2c1b938d99ab6ed49fdd3ee122b074e3221e
parent 8e8da023f5af71662867729db5547dc54786093c
toshiba_acpi: Fix machines that don't support HCI_SYSTEM_EVENT
The Satellite C670-10V generates notifications for hotkeys but does
not support HCI_SYSTEM_EVENT. As a result when a hotkey is pressed
it gets stuck in an infinite loop in toshiba_acpi_notify. To fix
this, detect whether or not HCI_SYSTEM_EVENT is supported up-front
and don't try to read system events if it isn't supported. In
addition, limit the number of retries when reading HCI_SYSTEM_EVENT
fails so that this loop cannot run unbounded.
Signed-off-by: Seth Forshee
Signed-off-by: Matthew Garrett
Is this problem still occuring on Ubuntu 12.04 "Precise Pangolin" final
release (or Ubuntu 12.04.1)?
** Changed in: linux (Ubuntu)
Status: Confirmed => Incomplete
--
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/893344
Title:
TOSHIBA SATELLITE C670-10V unable to control brightness
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/893344/+subscriptions
--
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
