STI, HLT in acpi_cpu_idle_c1
gnagelhout at sandvine.com
Wed Jun 30 08:04:45 PDT 2004
John Baldwin wrote:
> As per an errata that Brian pointed out, try using this patch
> perhaps. You
> can leave your isr_problem one in and hopefully the counter
> will stay at zero
> if it works. It adds some dummy reads of the local APIC to
> EOI's for IPIs.
This patch doesn't seem to help any. My isr problem detection code
still found a problem 10 times in about 17 hours of stress testing.
I know that the HACK I added to make the system work is probably
incorrect, but what kind of side effects would you expect to see from
just calling EOI, and possibly not handling the interrupt?
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