Messages in this thread | | | Subject | Re: [PATCH] BUG(): sched.c: Line 944 | From | Robert Love <> | Date | 16 Sep 2002 19:15:09 -0400 |
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On Mon, 2002-09-16 at 18:26, Linus Torvalds wrote:
> On 16 Sep 2002, Robert Love wrote: > > > > At least for now, can we please revert the check to in_interrupt() ? > > I really think the test is correct, and if we revert it now, we certainly > won't be able to re-introduce it later when we're closer to 2.6. > > So if the in_atomic() change is enough to fix everything but do_exit(), > then how about just making do_exit() use PREEMPT_ACTIVE instead?
Nope. If PREEMPT_ACTIVE is set, schedule() assumes the task is being preempted and skips certain logic e.g. deactivate_task() (this is the same code that lets us safely preempt a TASK_ZOMBIE).
Result is death before init even executes.
Ugh...
Robert Love
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