STI, HLT in acpi_cpu_idle_c1

John Baldwin jhb at
Sun Jun 27 21:49:51 PDT 2004

On Friday 25 June 2004 05:05 pm, Gerrit Nagelhout wrote:
> John Baldwin wrote:
> > Odd, all it does is eoi fast interrupts earlier.  Oh, there's
> > a bug. :(  In
> > the second hunk, change 'pic_disable_source' to 'pic_enable_source'.
> just locked up again.  I have included the current apic
> dump for completeness.  Is there anything other information that
> would be useful to debug this problem?

Hmm, it appears it is consistently CPU1 that thinks that IPI_HARDCLOCK is not 
being EOI'd.  Can you try swapping the CPUs and see if the lockup moves from 
CPU1 to CPU3?

John Baldwin <jhb at>  <><
"Power Users Use the Power to Serve"  =

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