On Tue, May 04, 2010 at 10:25:04PM +0200, Daniel Klaffenbach wrote: > Hi, > > I am on a HP laptop (nx6125) with an rs480 chipset. Unfortunately I > experience > many hard freezes resulting in system lockups[*] when DRM and/or KMS are > enabled. > > I would like to debug this issue to provide some helpful information but > unfortunately the system (not just X) always freezes completely. I am not > even > able to use an active SSH session to watch the system log files - as soon as > the problem occurs the system does not respond to anything anymore. > In fact, it seems the system does not even get to the point of logging a > crash > because it is already frozen at that point. > > Is there anyone who could point out how to get useful error messages or even > backtraces in such a case? > > > - Dan
Even us (developer) don't have a process to debug lockup. Most of the time is about testing thing in the kernel hoping it helps. So it's random change, test & cross finger. This is why hard lockup are hard to fix. Cheers, Jerome _______________________________________________ xorg-driver-ati mailing list [email protected] http://lists.x.org/mailman/listinfo/xorg-driver-ati
