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FromMichal Semler <>
Subjectinterrupts are not shared between CPUs in 2.6.14-rc3
DateSat, 22 Oct 2005 15:16:57 +0200
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Hi,

I have upgraded from 2.4.31 to 2.6.14-rc3 and see, that all interrupts are handled by CPU0. In 2.4 Both CPUs take care. Pls fix that:
Liboc01:~# cat /proc/interrupts
CPU0 CPU1
0: 87123702 0 IO-APIC-edge timer
2: 0 0 XT-PIC cascade
3: 1245874 0 IO-APIC-edge serial
5: 0 1 IO-APIC-edge CS4231
8: 3 1 IO-APIC-edge rtc
17: 1669193 1 IO-APIC-level eth0
18: 72922 60 IO-APIC-level aic7xxx
19: 3425040 0 IO-APIC-level eth1, wifi0 NMI: 0 0
LOC: 87125040 87125039
ERR: 0
MIS: 0

Liboc01:~# cat /proc/cpuinfo
processor : 0
vendor_id : GenuineIntel
cpu family : 6
model : 5
model name : Pentium II (Deschutes)
stepping : 0
cpu MHz : 332.420
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr
bogomips : 666.08

processor : 1
vendor_id : GenuineIntel
cpu family : 6
model : 5
model name : Pentium II (Deschutes)
stepping : 0
cpu MHz : 332.420
cache size : 512 KB
fdiv_bug : no
hlt_bug : no
f00f_bug : no
coma_bug : no
fpu : yes
fpu_exception : yes
cpuid level : 2
wp : yes
flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr
bogomips : 664.84

Linux Liboc01 2.6.14-rc3 #3 SMP Tue Oct 18 14:09:10 CEST 2005 i686 GNU/Linux
Debian stable (Sarge)

Regards

Michal
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