> 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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This archive was generated by hypermail 2b29 : Mon Apr 23 2001 - 21:00:40 EST