2.4.21 + ACPI 20030619 eats system time

2.4.21 + ACPI 20030619 eats system time

[Jurgen Kramer]

Hi,

I've just tried 2.4.21 with ACPI patch from 20030619 on my P4 system
with HT enabled. I noticed the being very sluggish. Checking top
revealed a high system load. This is supposedly caused by interrupt #18
going crazy:

           CPU0       CPU1
  0:      20747          0    IO-APIC-edge  timer
  1:          2          0    IO-APIC-edge  keyboard
  2:          0          0          XT-PIC  cascade
  8:          1          0    IO-APIC-edge  rtc
  9:          0          0   IO-APIC-level  acpi
 14:       4221          1    IO-APIC-edge  ide0
 15:          2          0    IO-APIC-edge  ide1
 16:         70          0   IO-APIC-level  usb-uhci, usb-uhci
 17:          0          0   IO-APIC-level  Intel ICH5
 18:   38420092          9   IO-APIC-level  ide2, usb-uhci
 19:        721          0   IO-APIC-level  usb-uhci
 21:        114          0   IO-APIC-level  eth0
 22:        263          0   IO-APIC-level  SysKonnect SK-98xx
 23:         36          0   IO-APIC-level  ehci-hcd
NMI:          0          0
LOC:      20672      20678
ERR:          0
MIS:         10

38 processes: 37 sleeping, 1 running, 0 zombie, 0 stopped
CPU0 states:   0.0% user  46.4% system    0.0% nice   0.0% iowait  53.0%
idle
CPU1 states:   0.2% user   0.3% system    0.0% nice   0.0% iowait  99.0%
idle
Mem:   515236k av,   67996k used,  447240k free,       0k shrd,    8536k
buff
        25592k active,              28584k inactive
Swap:  787176k av,       0k used,  787176k free

What could be wrong here?

Thanks,

Jurgen




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