|Summary:||Kernel panic when issuing "echo disabled > /proc/acpi/ibm/bluetooth" during startup|
|Product:||Drivers||Reporter:||Stefan Bauer (stefan.andreas.bauer)|
|Severity:||normal||CC:||florian, maciej.rutecki, rjw|
|Bug Depends on:|
The promised photo showing the panic message
Description Stefan Bauer 2011-05-03 05:29:55 UTC
Created attachment 56292 [details] lsusb -v I've configured acpid to issue the above given command when I press Fn+F6 to disable the BT module built into my laptop. Running 2.6.39-rc5, the kernel panics when I press Fn+F6 during startup, preferably when X/gdm is starting. I wasn't able to reproduce the problem once the system was "settled". I never faced this problem in 2.6.38 or any prior version. Attached you find a photo (sorry for the bad quality, but it should be readable) of the messages and the lsusb output. Steps to reproduce: - Turn on the laptop. The bluetooth module is activated by default. - Press Fn+F6 after acpid is started, i.e. while gdm is starting - watch the kernel panic Hardware: - Thinkpad Z60m Software: - Gentoo Linux - if you need version numbers of some particular userspace programs, let me know
Comment 1 Stefan Bauer 2011-05-03 05:31:00 UTC
Created attachment 56302 [details] The promised photo showing the panic message
Comment 3 Stefan Bauer 2011-05-03 05:58:10 UTC
OK, now I was able to trigger the bug during a running KDE session. So I withdraw my statement that the problem isn't reproducible once the boot process is finished. I also suspect this bug being the reason that entering Suspend to RAM fails with a flashing Caps Lock LED since 2.6.39-rc5. Suspend to RAM worked flawlessly with .38.
Comment 4 Rafael J. Wysocki 2011-05-04 16:38:47 UTC
Does 2.6.39-rc6 fix it?
Comment 5 Stefan Bauer 2011-05-05 01:26:02 UTC
(In reply to comment #4) > Does 2.6.39-rc6 fix it? Apparently, yes. I can't reproduce the panic with 2.6.39-rc6, and suspend works again. Thank you!
Comment 6 Florian Mickler 2011-05-09 09:32:55 UTC
Thanks for the update.