The bug is fixed for me by the following commit:
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=4e5359cd053bfb7d8dabe4a63624a5726848ffbc
It is part of kernels = 2.6.36-rc4.
Setting the brightness for me still is somehow weird (after pressing
Fn+left_arrow more than
When the system is frozen it is enough to kill compiz to break the freeze.
I attached gdb to compiz while frozen, here is the stack:
(gdb) info stack
#0 0x7fc45b2d2187 in ioctl () from /lib/libc.so.6
#1 0x7fc45891e84d in drm_intel_gem_bo_start_gtt_access () from
/lib/libdrm_intel.so.1
Well +1 :-(
I'm running Lucid on a 4810TG (with ATI, but not using the ATI card,
because it drains my battery, see
http://ubuntuforums.org/showpost.php?p=7933876postcount=11 for a module
that powers off the ATI card.)
My tries to fix include the following:
- Tried kernel 2.6.34 (package from
oh:
4) should be 2) + ...
--
[gm45] Adjusting Brightness in Acer Aspire Timelines causes system freeze in
4810T and 5810T models
https://bugs.launchpad.net/bugs/446717
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-intel in
I found a way to prevent the kernel from setting the brightness:
acpi=off boot option, but that is not what you want to do an a laptop
:-)
--
[gm45] Adjusting Brightness in Acer Aspire Timelines causes system freeze in
4810T and 5810T models
https://bugs.launchpad.net/bugs/446717
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