Re: [patch] 2.4.1, 2.4.2-pre3: APIC lockups

From: Roeland Th. Jansen (roel@grobbebol.xs4all.nl)
Date: Wed Feb 14 2001 - 12:30:57 EST

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On Tue, Feb 13, 2001 at 09:13:10PM +0100, Maciej W. Rozycki wrote:
> Please test it extensively, as much as you can, before I submit it for
> inclusion. If you ever get "Aieee!!! Remote IRR still set after unlock!"
> message, please report it to me immediately -- it means the code failed.

ok, so far so good.

> There is also an additional debugging/statistics counter provided in
> /proc/cpuinfo that counts interrupts which got delivered with its trigger
> mode mismatched. Check it out to find if you get any misdelivered
> interrupts at all.

currently attacking the box with a flood ping. I used a pristine 2.4.1.
to be sure I didn't leave stuff and applied the patch.

observations -- system doesn't crash; usually I had to use disable focus
processor -- else it fails.

other observations -- approx 6000 ints from the ne2k card/sec.
MIS shows approx 1% that goes wrong with a ping flood.

           CPU0 CPU1
  0: 35345 36195 IO-APIC-edge timer
  1: 1632 1534 IO-APIC-edge keyboard
  2: 0 0 XT-PIC cascade
  3: 826 832 IO-APIC-edge serial
  4: 4 4 IO-APIC-edge serial
  5: 12213 12201 IO-APIC-edge soundblaster
  8: 0 1 IO-APIC-edge rtc
14: 3079 2906 IO-APIC-edge ide0
15: 3 3 IO-APIC-edge ide1
18: 69 85 IO-APIC-level BusLogic BT-930
19: 1758280 1758266 IO-APIC-level eth0
NMI: 71480 71480
LOC: 71459 71456
ERR: 3
MIS: 15814

good work !

-- 
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Next message: Carlos Carvalho: "Re: Alpha: bad unaligned access handling"
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In reply to: Maciej W. Rozycki: "[patch] 2.4.1, 2.4.2-pre3: APIC lockups"
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Reply: Jeff Garzik: "Re: [patch] 2.4.1, 2.4.2-pre3: APIC lockups"
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