после установки проприетарного драйвера перестал выключаться и перезагружаться вот лог:
(==) Log file: "/var/log/Xorg.0.log", Time: Mon Aug 22 01:59:38 2011
(==) Using config file: "/etc/X11/xorg.conf"
(==) Using config directory: "/etc/X11/xorg.conf.d"
(==) Using system config directory "/usr/share/X11/xorg.conf.d"
FATAL: Module fglrx not found.
(EE) fglrx(0): ACPI: DRM connection failed
(EE) fglrx(0): atiddxDriScreenInit failed, GPS not been initialized.
(EE) fglrx(0): XMM failed to open CMMQS connection.(EE) fglrx(0):
(EE) fglrx(0): XMM failed to initialize
[glesx] __glESXExtensionInit: No GL ES2.0 capable screen found!
(EE) fglrx(0): Failed shutdown interrupts. Error -9 
