I had the same problem (Karmic Alpha 4 on a Thinkpad X40 here), and I
worked around the problem by adding the following line
return 1
in /usr/lib/pm-utils/sleep.d/98smart-kernel-video :
# Test to see if the kernel has a video driver that is smart enough to
# handle quirks without external assistance. If it is, remove the quirks.
have_kms()
{
return 1
# if we are running with a KMS-enabled video driver, we should not
# attempt to run any quirks
[ -d /sys/class/drm/card0/device/graphics/fb0 ] || return 1
remove_all_video_quirks
add_parameters --quirk-no-chvt
}
-> it forces using quirks even with KMS enabled.
It worked for me, but I'm not by any mean knowledgeable in all that
stuff...
--
pm-suspend with quirks does not restore backlight anymore
https://bugs.launchpad.net/bugs/417599
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