My Lenovo also has this issue, but PJSingh5000's workaround in post#17
(https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1729389/comments/17)
worked for me.
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@basos:
I only set the power_profile. The /sys/class/drm/card0/device/power_method has
the value of profile.
My laptop luckily had temperature sensors, but I had to guess which sensor was
the GPU sensor (the one that reacted the most and quickest when I changed the
the power_profile settings).
On my HP laptop I'm also using:
echo low | sudo tee /sys/class/drm/card0/device/power_profile
Luckily, it doesn't have any negative side effects for me ( I know some other
have).
My fan's speeds, that gkrellm reports are:
0, 50, 70, 80 100 %
If I don't set the power_profile to low, my fan
Bill, thanks for the info.
My wifi driver is iwl3945, so I had to use something different, than you have
suggested, but it got me started on the right path:
If you have a iwl3945 wifi chip, you can try it on a fly:
sudo modprobe -r iwl3945
sudo modprobe iwl3945 disable_hw_scan=0
If that
Same problem here too.
I can confirm, that going back to Kernel 2.6.38-8.42 doesn't have this issue -
just like Jan mentioned it in the bug report.
Interestingly enough it happens to me on an HP laptop too.
Product Name: HP Compaq nc8430
BIOS Information:
Vendor: Hewlett-Packard
Dawning, Brian,
I just tested Beta 2 (I didn't try Beta 1) of Ubuntu 11.04 (released on
4/14/2011). I didn't apply any package updates, since I'm just running it from
a USB flash drive.
The -K switch works as expected for me:
with-K - Alt+Tab switches windows on the LOCAL box
