Obscure errors in dmsg, system instability
ltning at anduin.net
Wed Sep 22 22:35:30 PDT 2004
On 23. Sep 2004, at 04:15, Doug White wrote:
> Is something sharing an interrupt with that device?
> PCI bus errors are generally Bad News .. either some device or the
> mobo is inroducing errors.
Well.. Yes, there is some interrupt sharing. Relevant parts of dmsg:
[ltning at carnen] ~$ dmesg | grep "irq 2"
IOAPIC #0 intpin 19 -> irq 2
uhci0: <Intel 82371AB/EB (PIIX4) USB controller> port 0xd400-0xd41f irq
2 at device 4.2 on pci0
ahc0: <Adaptec aic7890/91 Ultra2 SCSI adapter> port 0xd000-0xd0ff mem
0xe2000000-0xe2000fff irq 2 at device 6.0 on pci0
amr0: <LSILogic MegaRAID> mem 0xe3000000-0xe300ffff irq 2 at device 9.1
I don't like the fact that the LSI and the Adaptec are sharing IRQs,
given that the LSI is the main system drive controller (which is why I
don't use the Adaptec at all - and it cannot be disabled in BIOS I
I should perhaps try to reallocate some of the IRQs, but I don't really
have a clue how to do that, since I have no VGA in that box.. Ohwell, I
guess I just have to rip it open ;)
Any other clues?
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