Re: regression: 100% io-wait with 2.6.24-rcX

Peter Zijlstra
2008-01-07T13:32:56Z

On Mon, 2008-01-07 at 14:24 +0100, Joerg Platte wrote:

This is from: 2.6.24-rc7

> kernel: pdflush D f41c2f14 0 18822 2
> kernel: f673f000 00000046 00000286 f41c2f14 f5194ce0 00000286 00000286 f41c2f14
> kernel: 00175279 f41c2f6c 00000000 c0271f6c f5ff363c f5ff3644 c0354a90 c0354a90
> kernel: 00175279 c0123251 f5194b80 c03546c0 c0271f67 6c666470 00687375 00000000
> kernel: Call Trace:
> kernel: [<c0271f6c>] schedule_timeout+0x6e/0x8b
> kernel: [<c0123251>] process_timeout+0x0/0x5
> kernel: [<c0271f67>] schedule_timeout+0x69/0x8b
> kernel: [<c027179a>] __sched_text_start+0x3a/0x70
> kernel: [<c014d34b>] congestion_wait+0x4e/0x62
> kernel: [<c012be2b>] autoremove_wake_function+0x0/0x33
> kernel: [<c014971e>] pdflush+0x0/0x1bf
> kernel: [<c01493c6>] wb_kupdate+0x8c/0xd1
> kernel: [<c014971e>] pdflush+0x0/0x1bf
> kernel: [<c0149839>] pdflush+0x11b/0x1bf
> kernel: [<c014933a>] wb_kupdate+0x0/0xd1
> kernel: [<c012bd71>] kthread+0x36/0x5d
> kernel: [<c012bd3b>] kthread+0x0/0x5d
> kernel: [<c010493b>] kernel_thread_helper+0x7/0x10
> kernel: =======================

What filesystem are you using?