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SubjectRe: 2.5.59-mm6
Andrew Morton wrote:
>
> Which _looks_ like a request queueing problem, but Andres says it goes
> away when devfs is disabled in config. So I've dropped the smalldevfs
> patch for now - would be appreciated if devfs users could retest this
> patch, with CONFIG_DEVFS=y.

mm6 works where mm5 failed. You are probably right suspecting devfs,
I have devfs enabled although I don't actually use it. No problems
with RAID1 either.

I enabled hangcheck timer, and gets this now and then:

Warning! Detected 2106 micro-second gap between interrupts.
Compensating for 1 lost ticks.
Call Trace:
[<c010a6ad>] handle_IRQ_event+0x29/0x4c
[<c010a881>] do_IRQ+0xbd/0x138
[<c0106cc0>] default_idle+0x0/0x28
[<c0106cc0>] default_idle+0x0/0x28
[<c01093e0>] common_interrupt+0x18/0x20
[<c0106cc0>] default_idle+0x0/0x28
[<c0106cc0>] default_idle+0x0/0x28
[<c0106ce3>] default_idle+0x23/0x28
[<c0106d63>] cpu_idle+0x37/0x48
[<c0105000>] rest_init+0x0/0x50
[<c010504d>] rest_init+0x4d/0x50

Warning! Detected 2043 micro-second gap between interrupts.
Compensating for 1 lost ticks.
Call Trace:
[<c010a6ad>] handle_IRQ_event+0x29/0x4c
[<c010a881>] do_IRQ+0xbd/0x138
[<c0106cc0>] default_idle+0x0/0x28
[<c0106cc0>] default_idle+0x0/0x28
[<c01093e0>] common_interrupt+0x18/0x20
[<c0106cc0>] default_idle+0x0/0x28
[<c0106cc0>] default_idle+0x0/0x28
[<c0106ce3>] default_idle+0x23/0x28
[<c0106d63>] cpu_idle+0x37/0x48
[<c0105000>] rest_init+0x0/0x50
[<c010504d>] rest_init+0x4d/0x50


Helge Hafting
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