On 01/12/2012 02:57 PM, Kai Krakow wrote: > Ben Widawsky<ben at bwidawsk.net> schrieb: > >> On Mon, Dec 26, 2011 at 01:43:37AM +0100, Kai Krakow wrote: >>> I found my system freeze mostly during starting up X and KDE. Sometimes >>> it works for some minutes, sometimes it freezes immediatly. When the >>> freeze happens, everything is dead (even the reset button does not work, >>> I need to power cycle). > [...] >> Can you please try this kernel: >> git://people.freedesktop.org/~bwidawsk/drm-intel context-support >> >> You probably need to manually enable rc6. We were given some hint that >> we may not be setting up contexts properly. The above branch should >> create a default context (amongst other stuff which won't happen in this >> case). > > Since that branch seems to be based off 3.2-rc6 I didn't need to enable RC6, > it was on by default. > > But I'm sorry to inform you that this still makes my system board freeze > during KDE login, sometimes early, sometimes late during loading of the > desktop. Thanks. At least we can give this information back to our design team. > > My system freezes completely: Keyboard dead, SysRq shortcuts dead, screen > goes blank (or shows funny lightshows before blanking), even the hard disk > LED freezes. I need to power cycle to get back into a working state. If I > only use the reset switch, the board behaves strange after reboot. The reset > button sometimes takes a few seconds to make the system reboot when frozen. > > All this tells me that something really bad goes on within the > CPU/GPU/chipset during freeze which even survives a board reset. Only power > cycling helps. > > Keith got the specs of my system and wanted to "mirror" it for development. > Maybe he could find out better what happens. I have no idea how to debug > that because everything freezes so badly. > > Regards, > Kai Jesse, would you care to update VPG with this info? Ben