We have three linux machine which identical hardware setup.
AMD Athlon(tm) Processor 1G, 1.5G mem
VT82C693A/694 Host bridge
PCI bridge: VT82C598/694x [Apollo MVP3/Pro133x AGP]
SCSI storage controller: Adaptec 7892B
....
when I running redhat7.2's 2.4.9-21, everything is alright. (except kswapd
takeoff lots of cpu time).
/proc/interupt
CPU0
0: 17286747 XT-PIC timer
1: 67209 XT-PIC keyboard
2: 0 XT-PIC cascade
3: 1373600 XT-PIC serial
4: 413973 XT-PIC serial
5: 29 XT-PIC aic7xxx
6: 39 XT-PIC floppy
8: 26939437 XT-PIC rtc
9: 266529 XT-PIC es1371
10: 15518557 XT-PIC eth0
11: 298020 XT-PIC aic7xxx
12: 1372935 XT-PIC PS/2 Mouse
14: 72784 XT-PIC ide0
NMI: 0
ERR: 0
But if I compile 2.4.17(18) kernels, I will have such thing in dmesg:
spurious 8259A interrupt: IRQ7.
then /proc/interrupt:
CPU0
0: 1325588 XT-PIC timer
1: 6993 XT-PIC keyboard
2: 0 XT-PIC cascade
5: 166173 XT-PIC aic7xxx, es1371, usb-uhci, usb-uhci
8: 1 XT-PIC rtc
10: 371872 XT-PIC eth0
12: 155683 XT-PIC PS/2 Mouse
14: 2 XT-PIC ide0
NMI: 0
LOC: 1325586
ERR: 208
MIS: 0
These machines running 2.4.17(18) series behave wierd recently, like
x-windows crashing or font problem. Do these ERR numbers in /proc/interupt
counts for this? What does these numbers mean and is that a bad thing? Thank
you very much!
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