Re: [patch] sched-HT-2.6.0-test11-A5

From: Anton Blanchard
Date: Sun Dec 07 2003 - 15:18:53 EST

> > Im seeing bootup crashes every now and then on a ppc64 box too. A few
> > other things Ive noticed:
> ALT+sysrq+t does nothing, but NMI watchdog gives me:

I seem to be seeing 2 different problems, the first is where we are
running on the cpu we are about to remap:

running on cpu 1
mapping CPU#1's runqueue to CPU#0's runqueue.
kernel BUG in sched_map_runqueue at kernel/sched.c:1460!


BUG_ON(rq1 == rq2 || rq2->nr_running || rq_idx(cpu1) != cpu1);

We should bounce ourselves off cpu2 before merging the runqueues.

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