Re: system keeps freezing once every 24 hours / random apps crashing

From: Mark v Wolher
Date: Fri Dec 30 2005 - 14:21:47 EST


Folkert van Heusden wrote:
>>>>>I'm not sure what to make of this, but it looks like only 1 cpu is kept
>>>>>busy with interrupts:
>>>>> CPU0 CPU1 CPU2 CPU3
>>>>> 0: 1033372 0 0 0 IO-APIC-edge timer
>>>
>>>Install the 'irqbalance' package.
>>
>><..>
>>Thanks ! I installed it now, it asked me something about a "one shot
>>mode" but i chose no. Correct me if i should choose the other mode.
>>Should i reboot for this to take effect ? Cause i still see the 0's
>>under the other cpu's.
>
>
> Not one-shot
> reboot? depends on your distribution
> try /usr/sbin/irqbalance from bash
>
>
> Folkert van Heusden
>

Hmm, i disabled MSI in the kernel, irq-balancing is on in the kernel,
and after a restart with irqbalance i see the cpu's show numbers !

I guess MSI was preventing them ? But does that means because of MSI
that performance was lower in some way ?

Here is the current cat:



CPU0 CPU1 CPU2 CPU3
0: 59805 40023 42523 38141 IO-APIC-edge timer
1: 984 840 795 413 IO-APIC-edge i8042
7: 0 0 0 0 IO-APIC-edge parport0
8: 204851 189535 184425 184454 IO-APIC-edge rtc
9: 0 0 0 0 IO-APIC-level acpi
14: 21 0 0 0 IO-APIC-edge ide0
15: 13 0 0 0 IO-APIC-edge ide1
16: 2206 0 0 0 IO-APIC-level eth0
17: 9681 4489 6747 10672 IO-APIC-level bttv0
18: 48 16 0 0 IO-APIC-level
uhci_hcd:usb4
19: 5889 9693 22604 1560 IO-APIC-level ide2, ide3
20: 5 0 0 0 IO-APIC-level
ehci_hcd:usb1
21: 16563 25276 23860 19548 IO-APIC-level
uhci_hcd:usb2, nvidia
22: 33248 15866 13468 33568 IO-APIC-level
uhci_hcd:usb3
23: 0 0 0 0 IO-APIC-level Intel
82801DB-ICH4
24: 0 0 0 0 IO-APIC-level EMU10K1
NMI: 0 0 0 0
LOC: 180380 180126 180378 180377
ERR: 0
MIS: 0


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