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SubjectRe: [BUG] 2.5.63: ESR killed my box!
On Wed, 26 Feb 2003, Linus Torvalds wrote:

> Ok, can people agree on this simplified version of Mikaels patch, which
> doesn't BUG_ON(), and doesn't reset 'boot_cpu_physical_apicid'
> unnecessarily..
> Does this work for people?

Works for me, but I'm curious if it works for Rusty. We're still not sure
if he's hitting the same bug... but I guess it's rather early morning in
.au. :-)

Oh, and 2.4 needs the same fix -- and if Mikael's original BUG_ON() is
undesirable then we should probably also remove this code from 2.4's

if (!clustered_apic_mode &&
!test_bit(GET_APIC_ID(apic_read(APIC_ID)), &phys_cpu_present_map))

because it's essentially the same test as the BUG_ON(), at least for the
UP case.


It is better to keep your mouth shut and be thought a fool,
than to open it and remove all doubt.

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