Le Mercredi 14 Décembre 2005 1:mM:sS AM, Benjamin Herrenschmidt a écrit : > > > > DRI is disabled, even when the radeon module is not loaded, it freezes. > > > > >From xorg log : (II) RADEON(0): Direct rendering disabled > > > > Complete xorg log at the end of this mail. > > Ok, two other things you can try: > > - Disable cpufreq, make sure it's completely disabled (ie, the kernel > option too, rebuild your kernel if necessary) and tell us if it makes a > difference.
I rebuilt my kernel without cpufreq, and still it freezes. > - Do you have xmon enabled ? if not, enable it (CONFIG_XMON). First > check that it works, that is when pressing command-power you enter xmon > (you see the mon> prompt, exit with "x" <return>). xmon is a low level > kernel debugger. Also, make sure X uses "UseFBDev" so that xmon can > reliably access the screen even while running X. Now, try to reproduce > the freeze. Does it enter xmon at the point of the freeze ? If not, try > pressing command-power when it's frozen. Do you manage to get into xmon > that way ? If yes to any of these, then, copy what xmon says. Then use > xmon "t" command to get a backtrace and copy that too and send it to me. I enabled xmon, but it didn't enter xmon. While frozen, command-power has no effect. > - If none of these works, can you try reproducing the problem in > console mode instead of X ? When it happens, do you see anything in the > console ? Oops message, kernel panic, whatever ? > > Thanks, > Ben. I have tried to get my laptop crashing in console mode, but I have not succeeded. (Did a 16 hours stress test, with an average load of 28, heavy reads from hard drive, running out of memory, swapping, net overload, several suspends to ram : it didn't freeze) I will keep on trying to crash it in console mode. Kevin
