In article <20011210150541.A2571@vaasje.org>,
Frank van der Linden <fvdl@wasabisystems.com> wrote:
>Just a short note to say that the MP bug I have been staring at
>on and off (starting X will sometimes lead to amap or pvlist corruption)
>is still present (i386).
>
>Thinking that it may be a TLB consistency problem, I implemented
>a simple TLB shootdown rendezvous, making the sending CPU wait
>for all the receivers to have handled the IPI. It didn't help.
>
>Unfortunately I seem to be the only one who can reproduce this
>problem. Christos saw the same problem a few times, but it
>doesn't seem to be happening anymore in his case.
>
>I've tried pretty much everything I can think of to find this
>bug, so I'm open to suggestions..
>

My problem was due to the signal locking inconsistency I mentioned
before. Enami's patch seems to have fixed this. Explorer mentioned
some problems too, but I think it is related to softdeps.

christos