Re: Double Interrupt with HT

From: Miroslaw KLABA
Date: Thu Dec 18 2003 - 11:36:36 EST


My fault...
It works now.
`while true; do date; sleep 1; done` counts well now.
Thanks.
But now, how may I help to find this bug in apic code?

Miro

# cat /proc/interrupts
CPU0 CPU1
0: 12421 0 XT-PIC timer
1: 2 0 XT-PIC keyboard
2: 0 0 XT-PIC cascade
4: 16 0 XT-PIC serial
8: 1 0 XT-PIC rtc
11: 642 0 XT-PIC eth0
14: 2865 0 XT-PIC ide0
NMI: 0 0
LOC: 12355 12353
ERR: 0
MIS: 0



On Thu, 18 Dec 2003 08:51:06 -0500 (EST)
Zwane Mwaikambo <zwane@xxxxxxxxxxxxxxxx> wrote:

> On Thu, 18 Dec 2003, Miroslaw KLABA wrote:
>
> > > Does booting w/ "noapic" help?
> > No, I still have the time that is going twice the speed.
> > I included /proc/interrupts, dmesg and lspci. It's with the 2.4.23 kernel without the irq_balance patch.
> > Hope this help.
> >
> > # cat /proc/interrupts
> > CPU0 CPU1
> > 0: 71181 71121 IO-APIC-edge timer
> > 1: 2 2 IO-APIC-edge keyboard
> > 2: 0 0 XT-PIC cascade
> > 4: 16 16 IO-APIC-edge serial
> > 8: 1 1 IO-APIC-edge rtc
> > 14: 3294 3295 IO-APIC-edge ide0
> > 23: 2334 2339 IO-APIC-level eth0
> > NMI: 0 0
> > LOC: 71109 71108
> > ERR: 0
> > MIS: 0
> >
> > Kernel command line: auto BOOT_IMAGE=linux-bi ro root=301 BOOT_FILE=/boot/bzImage-2.4.23-bipiv noacpi
>
> John meant 'noapic' not 'noacpi', you'll note that the interrupt
> controller types after boot will be XT-PIC instead of say IO-APIC-edge
> etc..
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