It may be not related to -mm4 only but as i hadn't checked before ( with 2.5.x kernels),
I just wonder about /proc/interrupts output:
$ cat /proc/interrupts
CPU0 CPU1
0: 47851610 0 IO-APIC-edge timer
1: 51789 0 IO-APIC-edge i8042
2: 0 0 XT-PIC cascade
3: 171 0 IO-APIC-edge serial
8: 772066 0 IO-APIC-edge rtc
12: 3 0 IO-APIC-edge i8042, i8042, i8042, i8042
15: 58 1 IO-APIC-edge ide1
16: 47047 0 IO-APIC-level ohci1394
18: 391753 0 IO-APIC-level EMU10K1
19: 911863 0 IO-APIC-level uhci-hcd
20: 261806 0 IO-APIC-level eth0
22: 273648 0 IO-APIC-level aic7xxx
23: 0 0 IO-APIC-level uhci-hcd
NMI: 47853468 47852927
LOC: 47860500 47860630
ERR: 0
MIS: 0
Shouldn't the interrupts be balanced on both CPUs ?
DELL MT 530 Ws , SMP Xeon 1.5Ghz, 512 Mo RAM on Debian Unstable.
Thanks,
Philippe
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