1000000000 as irq count init (was: Procinfo behaving strange under 2.4.19-pre10)

From: Axel Thimm (Axel.Thimm@physik.fu-berlin.de)
Date: Sun Jun 23 2002 - 15:02:08 EST

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In reply to: Rasmus Bøg Hansen: "Procinfo behaving strange under 2.4.19-pre10"
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Hi,

On Fri, Jun 21, 2002 at 08:57:25AM +0200, Rasmus Bøg Hansen wrote:
> I upgraded a short time ago from kernel 2.4.18 to 2.4.19-pre10, but now
> procinfo reports interrupts in a strange way.
>
> 2.4.19-pre10:
>
> # procinfo
> [...]
> irq 0:1000207681 timer irq 8:1000000003
> irq 1:1000004868 keyboard irq 9:1000000000 acpi
> irq 2:1000000000 cascade [4] irq 10:1000007854 eth0
> irq 3:1000000000 irq 11:1000114199 nvidia
> irq 4:1000000000 irq 12:1000026199 PS/2 Mouse
> irq 5:1000003195 es1370 irq 13:1000000000
> irq 6:1000000000 irq 14:1000016806 ide0
> irq 7:1000000000 irq 15:1000000000
> [...]

I can second this (while I switched from 2.4.19-pre6 to 2.4.18 with RedHat/SGI
patches, but obviously the same patch hit me also).

procinfo reads that info from /proc/stat, which is giving away that bogus (?)
interrupt counts. It also causes xosview a horrible cpu 100% hang. :(

[root@bonzo root]# uname -a
Linux bonzo.nirvana 2.4.18-4SGI_XFS_1.1-bonzo #1 Sun Jun 23 17:49:32 CEST 2002
i686 unknown
[root@bonzo root]# cat /proc/stat
cpu 204580 0 5397 181674
cpu0 204580 0 5397 181674
page 193512 228084
swap 1 0
intr 668955 1000391651 1000008974 1000000000 1000000007 1000000008 1000000002
1000000008 1000000002 1000000001 1000212403 1000000000 1000000002 1000027284
1000000000 [...] 1000000000 1000000000 1000000000 1000000000 1000000000
1000000000 1000000000 1000000000 1000000000
disk_io: (3,0):(28638,17974,387024,10664,456168)
ctxt 1276299
btime 1024858081
processes 5380

-- 
Axel.Thimm@physik.fu-berlin.de
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Next message: Rudmer van Dijk: "Re: kbuild fixes and more"
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In reply to: Rasmus Bøg Hansen: "Procinfo behaving strange under 2.4.19-pre10"
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