Messages in this thread | | | Subject | Re: APIC-Errors+Crashes on GA 586DX, 2.2.17/2.4.3 | Date | Sun, 22 Apr 2001 00:13:34 +0100 (BST) | From | Alan Cox <> |
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> here. These errors itself are not a problem since the APIC bus detect > it and recover, but if here are double errors in a way that the checksum > is OK, the APIC may run in trouble.
Also nothing but recent -ac kernels in the 2.4 range handle the replay of IPI's sometimes caused by this. That patch is a post 2.4.4 thing to sort out.
> I don't know all kinds of events the APIC bus is used for, it is not only > for the IRQs.
Interrupts from I/O devices and interrupts sent between processors. The latter are used to tell the other cpus to do things like flush TLB entries, change an MTRR value etc
Alan
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