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SubjectRe: 2.6.16.32 stuck in generic_file_aio_write()

> > Hmm.. Switching CONFIG_HZ from 1000 to 250 seems to 'fix' the problem.
> > I haven't seen the issue in nearly a week now. This makes Andrew's theory
> > about missing interrupts very likely.
> >
> > Andrew / others : Is there a way to find out if it *is* missing
> > interrupts ?
> >
>
> umm, nasty. What's in /proc/interrupts?

See below. The other machine is mostly identifical, except for i8042
missing (probably due to running an older kernel, or small differences in
the kernel config).

Regards,


Igmar

[jdiict@lnx01 ~]$ cat /proc/interrupts
CPU0 CPU1
0: 73702693 74509271 IO-APIC-edge timer
1: 1 1 IO-APIC-edge i8042
4: 2289 8389 IO-APIC-edge serial
8: 0 1 IO-APIC-edge rtc
9: 0 0 IO-APIC-fasteoi acpi
12: 3 1 IO-APIC-edge i8042
16: 203127788 0 IO-APIC-fasteoi uhci_hcd:usb2, eth0
17: 525 492 IO-APIC-fasteoi uhci_hcd:usb4
18: 13000070 67584889 IO-APIC-fasteoi arcmsr
19: 0 0 IO-APIC-fasteoi ehci_hcd:usb1
20: 0 0 IO-APIC-fasteoi uhci_hcd:usb3
NMI: 0 0
LOC: 148127756 148133476
ERR: 0
MIS: 0
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