Hello. Frederik Deweerdt wrote: > On Mon, Jan 19, 2009 at 10:45:43PM +0100, Rafael J. Wysocki wrote: > > This message has been generated automatically as a part of a report > > of regressions introduced between 2.6.27 and 2.6.28. > > > > The following bug entry is on the current list of known regressions > > introduced between 2.6.27 and 2.6.28. Please verify if it still should > > be listed and let me know (either way). > > > > > > Bug-Entry : http://bugzilla.kernel.org/show_bug.cgi?id=12409 > > Subject : NULL pointer dereference at get_stats() > > Submitter : Tetsuo Handa <penguin-kernel@xxxxxxxxxxxxxxxxxxx> > > Date : 2008-12-30 12:53 (21 days old) > > References : http://marc.info/?l=linux-kernel&m=123064167008695&w=4 > > Handled-By : Frederik Deweerdt <frederik.deweerdt@xxxxxxxx> > > > > > Hello Rafael, > > Not sure what the status should be for that one, it sure seems vmware > related, and I don't have one handy. > > Regards, > Frederik > The latest post regarding this problem starts at http://lkml.org/lkml/2009/1/4/349 . It's not a VMware related problem. A patch at http://lkml.org/lkml/2009/1/5/557 reported that "nolapic" option doesn't prevent for_each_possible_cpu() from reaching CPU1, and per-CPU pointer for CPU1 is NULL. --- First call of for_each_possible_cpu() --- Entering get_stats() CPU=0 Leaving get_stats() --- Second call of for_each_possible_cpu() --- Entering get_stats() CPU=0 CPU=1 lb_stats == NULL for CPU 1 Leaving get_stats() Regards. -- To unsubscribe from this list: send the line "unsubscribe kernel-testers" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html