2007/11/20, Alan Cox <[email protected]>:
> > kernel: [734344.717844] irq 21: nobody cared (try booting with the
> > "irqpoll" option)
> > kernel: [734344.717866]
> Your machine decided to emit interrupt 21 without an apparent reason.
> Whatever caused that made the kernel shut down IRQ 21 at which point the
> disk drives on that IRQ were no longer being serviced. Everything on IRQ
> 21 would have died - which may be why your networking failed too.
> What do you have on IRQ 21 and is this a one off ?
I've had other freezes before but this was the first time I was able
to see what was actually going on.
IRQ 21 appears to be shared between sata_nv and ethernet.
Does this mean my hardware/BIOS is broken somehow?
I'm running the latest BIOS available.
# cat /proc/interrupts CPU0 CPU1
0: 26497 3603163 IO-APIC-edge timer
1: 0 2 IO-APIC-edge i8042
8: 0 0 IO-APIC-edge rtc
9: 0 0 IO-APIC-fasteoi acpi
12: 0 6 IO-APIC-edge i8042
16: 4851 669159 IO-APIC-fasteoi shpchp, libata
20: 0 0 IO-APIC-fasteoi sata_nv
21: 36443 4775430 IO-APIC-fasteoi sata_nv, eth0
22: 31261 4531218 IO-APIC-fasteoi ohci_hcd:usb1, sata_nv
23: 4 1649 IO-APIC-fasteoi HDA Intel, ehci_hcd:usb2
NMI: 0 0
LOC: 3629562 3629543
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Video 4 Linux]
[Linux for the blind]