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SubjectRe: [PATCH] linux-2.6.0-test4_cyclone-hpet-fix_A0
>> > Also, while apparently unrelated, but touching code from the HPET patch,
>> > I'm seeing some form of memory corruption on the 16way x440 which is
>> > overwriting the wait_timer_tick pointer in apic.c I added some
>> > initialized corruption pad variables around the pointer and they're
>> > definitely being trampled. I'll have to look into it further tomorrow.
>>
>> Hum. Please do this:
>>
>> mnm:/usr/src/25> nm -n vmlinux|grep -3 wait_timer_tick
>> c043b360 D using_apic_timer
>> c043b380 d lapic_sysclass
>> c043b3e0 d device_lapic
>> c043b41c D wait_timer_tick
>> c043b420 D nmi_watchdog
>> c043b424 d nmi_hz
>> c043b440 d nmi_sysclass
>
> [jstultz@elm3a16 cyclone-hpet-fix]$ nm -n vmlinux | grep -6 wait_timer_tick
> c03977e0 D mp_bus_id_to_pci_bus
> c0397860 D boot_cpu_physical_apicid
> c0397864 D boot_cpu_logical_apicid
> c0397868 D bios_cpu_apicid
> c0397870 D using_apic_timer
> c0397874 D corruption_pad1
> c0397878 D wait_timer_tick
> c039787c D corruption_pad2
> c0397880 D nmi_watchdog
> c0397884 d nmi_hz
> c0397888 d nmi_print_lock
> c03978a0 d ioapic_lock
> c03978a4 D sis_apic_bug
>
> I can send you the whole System.map if needed, but
> mp_bus_id_to_pci_bus[] looks suspicious to me.

Well, that looks like a reasonable aspersion to cast. Stick MAX_MP_BUSSES
to something silly like 4096, and see what happens. Is any of it > 32
not set to -1 anymore?

M.

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