Hi :) On Mon, Jan 23, 2012 at 18:12, Graeme Russ <graeme.russ@xxxxxxxxx> wrote: > I managed to make the system more unstable as I trimmed the kernel and > added debugging info. The symptoms were slightly different (graphic freezes > rather than flashing screen) Ouch.....debugging brings more bugs...that's nasty.. > To isolate i915, I've installed a nVidia 8600GT from my old machine. Even > though I blacklisted i915, it still loads, so I've done an 'rmmod i915' to > force it out. > > So far it all seems pretty stable If possible, try to run one or more games like Doom and see how it goes... IIRC there's a mode in Doom to run kinda automated play but I forgot the name. Just enable as much feature as it can to pound your graphic card at highest resolution possible. >- I'll leave it powered on for a few days > to make sure. I'm then going to buy an ATI 5450 (cheap and passively > cooled) and see how that goes. > > After a week of uptime, I'll switch back to the i915 driver and see what > happens. If I get a hang, I'll get the i915 maintainer on board with my problem > > I think the lack of any kernel messages is due to a hardware conflict which > hard-locks the machine. Even the reset button does not respond. Looks like you're already on the right debugging track. Keep us informed :) -- regards, Mulyadi Santosa Freelance Linux trainer and consultant blog: the-hydra.blogspot.com training: mulyaditraining.blogspot.com _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
