Messages in this thread | | | Subject | Re: [PATCH] Readd BUG for SMP TLB IPI | From | Alan Cox <> | Date | 09 Jul 2003 17:53:28 +0100 |
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On Mer, 2003-07-09 at 12:41, Andi Kleen wrote: > > We have recorded retransmitted IPI's on some boards (notably the > > infamous BP6). They do happen. Early 2.4 had a fix for handling the > > replay case too, but someone lost it and BP6 boards no longer work as > > reliably. > > Ok, all non broken hardware.
It can happen to any PII/PIII box, its just very very rare on others, so rare I guess such crashes are in the noise.
> I don't believe it. It would cause an immediate hang because the goto out > does not ack the IPI. Surely such hangs would have been reported?
See - trawling bug data is *useful* 8)
For 2.4.x crashes relating to IPI replay bugs are reported very occasionally, for 2.5 I've no idea at all
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