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DateTue, 15 Jan 2008 19:32:17 -0800
From"Yinghai Lu" <>
Subjecthpet_late_init hang
"
commit e5ed385fa0d6f35406e3e3ed75e5eb9adeb811df
Author: Balaji Rao <balajirrao@gmail.com>
Date: Tue Jan 15 16:53:29 2008 +0100

Assign IRQs to HPET Timers
"
in x86.git

cause my servers hang
after
Calling initcall 0xffffffff80b9a465: hpet_late_init+0x0/0x100()
after reverting that I got:

initcall 0xffffffff80b947d1 ran for 19 msecs: pci_iommu_init+0x0/0x13()
Calling initcall 0xffffffff80b9a465: hpet_late_init+0x0/0x100()
hpet0: at MMIO 0xfed00000, IRQs 2, 8, 31
hpet0: 3 32-bit timers, 25000000 Hz
initcall 0xffffffff80b9a465: hpet_late_init+0x0/0x100() returned 0.
initcall 0xffffffff80b9a465 ran for 7 msecs: hpet_late_init+0x0/0x100()
CPU0 CPU1 CPU2 CPU3 CPU4 CPU5
CPU6 CPU7
0: 86 0 0 0 0 0
1 0 IO-APIC-edge timer
4: 0 0 0 0 0 0
1 838 IO-APIC-edge serial
7: 1 0 0 0 0 0
0 0 IO-APIC-edge
8: 0 0 0 0 0 0
0 0 IO-APIC-edge rtc0

for mcp55, it should already route hpet to ioapic pin2 or the irq0.

YH


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