On Sat, 2002-11-23 at 20:16, ivc wrote: > > hi. > i got a ibook dual usb 500mhz and i try to make it stay turned on while the > lid is closed (with the pmud -k option), but after exactly 4 minutes with > the lid closed it automatically shuts down. > > i stopped pmud and pbbuttonsd and the same thing happened, so i think its > something to do with the kernel, maybe the via-pmu.c module. > > someone mentioned it could be the graphic card, since pmud -k seems to work > on ibooks with ati radeon 16/32mb vram, but not on ati rage 8mb vram ibooks > and below.. >
The kernel will never put the machine to sleep by itself. This has to be triggered by pmud or some other userland tool. I suspect that if the machine overheats, it will be shutdown by the PMU, not put to sleep. Ben.
