I've found the problem: I placed that workaround only in xorg.conf, but my PC hadn't nvidia drivers for 2.6.27, so xorg.conf.failsafe was used.
Placing workaround in xorg.conf.failsafe doesn't work, because that file is probably replaced on each boot and shutdown.
I've found the problem: I placed that workaround only in xorg.conf, but my PC hadn't nvidia drivers for 2.6.27, so xorg.conf.failsafe was used.
Placing workaround in xorg.conf.failsafe doesn't work, because that file is probably replaced on each boot and shutdown.