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Re: why no IO-APIC?



Mike A. Harris wrote:
On 5 Mar 2003, Florin Andrei wrote:


What is the reason why IO-APIC is disabled in the RH kernels?


Because it isn't disabled?


[mharris devel XFree86-4.3.0]$ cat /etc/redhat-release /proc/interrupts Red Hat Linux release 8.0 (Psyche) CPU0 CPU1 0: 152681900 152581010 IO-APIC-edge timer 1: 881 919 IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 5: 2091512 2011330 IO-APIC-level eth0, eth1, eth2, eth3 8: 1 0 IO-APIC-edge rtc 10: 1840546 1821063 IO-APIC-level cciss0 11: 16 14 IO-APIC-level sym53c8xx 12: 131124 126354 IO-APIC-edge PS/2 Mouse 14: 4 22 IO-APIC-edge ide0 15: 16 14 IO-APIC-level sym53c8xx NMI: 0 0 LOC: 305274479 305274527 ERR: 0 MIS: 0


[root zod /root]# cat /etc/redhat-release /proc/interrupts Red Hat Linux release 8.0.94 (Phoebe) CPU0 CPU1 0: 232471035 232494550 IO-APIC-edge timer 1: 1105441 1104924 IO-APIC-edge keyboard 2: 0 0 XT-PIC cascade 5: 2499644 2497783 IO-APIC-edge NE2000 8: 1 0 IO-APIC-edge rtc 10: 476 485 IO-APIC-level usb-ohci 12: 6419247 6438164 IO-APIC-edge PS/2 Mouse 14: 11 8 IO-APIC-edge ide0 18: 3 1 IO-APIC-level eth2 23: 2933187 2931740 IO-APIC-level eth1 29: 1657873 1669043 IO-APIC-level sym53c8xx 30: 1310535 1307677 IO-APIC-level es1371 NMI: 0 0 LOC: 464982677 464982541 ERR: 0 MIS: 0


[mharris claw mharris]$ cat /etc/redhat-release /proc/interrupts Red Hat Linux release 8.0.93 (Phoebe) CPU0 0: 59585780 IO-APIC-edge timer 1: 366 IO-APIC-edge keyboard 2: 0 XT-PIC cascade 8: 0 IO-APIC-edge rtc 12: 5094 IO-APIC-edge PS/2 Mouse 14: 627003 IO-APIC-edge ide0 15: 2 IO-APIC-edge ide1 17: 10204 IO-APIC-level AMD-8111 IOHub 18: 6014282 IO-APIC-level eth0 NMI: 3238 LOC: 59585584 ERR: 0 MIS: 0


<grin>




What is XT-PIC? I am running kernel-2.4.20-2.48

Red Hat Linux release 8.0.94 (Phoebe)
           CPU0
  0:     708815          XT-PIC  timer
  1:       7939          XT-PIC  keyboard
  2:          0          XT-PIC  cascade
  8:          1          XT-PIC  rtc
  9:        139          XT-PIC  usb-uhci
 10:       5487          XT-PIC  eth0
 12:     634390          XT-PIC  PS/2 Mouse
 14:      39528          XT-PIC  ide0
 15:     193291          XT-PIC  ide1
NMI:          0
ERR:          0

Jim

--
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