The issue is still present in 2.6.31-17-generic, and the DEB package of the patched kernel disappeared from http://people.canonical.com/~apw/lp451337-karmic/
Putting "acpi.power_nocheck=1 acpi_osi=linux" to the kernel boot parameters sometimes works to me, but not always.
The issue is still present in 2.6.31-17-generic, and the DEB package of the patched kernel disappeared from http:// people. canonical. com/~apw/ lp451337- karmic/ nocheck= 1 acpi_osi=linux" to the kernel boot parameters sometimes works to me, but not always.
Putting "acpi.power_