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SubjectRe: 'BUG: scheduling with irqs disabled' when umounting NFS volume
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I submitted a fix for this a while ago, I think ..
interruptible_sleep_on()'s are broken ..


Daniel

On Fri, 2005-04-08 at 13:15, Lee Revell wrote:
> Kernel is 2.6.12-rc1-RT-V0.7.43-05.
>
> BUG: scheduling with irqs disabled: umount/0x00000000/20612
> caller is schedule_timeout+0x63/0xc0
> [<c01033d3>] dump_stack+0x23/0x30 (20)
> [<c02b4f5a>] schedule+0xea/0x140 (36)
> [<c02b5b23>] schedule_timeout+0x63/0xc0 (64)
> [<c02b5744>] interruptible_sleep_on_timeout+0x74/0xe0 (64)
> [<c01cf898>] lockd_down+0xb8/0x140 (24)
> [<c01c2137>] nfs_kill_super+0x77/0x80 (16)
> [<c016033c>] deactivate_super+0x8c/0xb0 (28)
> [<c0178bc1>] sys_umount+0x41/0x90 (88)
> [<c0178c2e>] sys_oldumount+0x1e/0x20 (16)
> [<c0102dee>] syscall_call+0x7/0xb (-8124)
> ---------------------------
> | preempt count: 00000001 ]
> | 1-level deep critical section nesting:
> ----------------------------------------
> .. [<c01320ad>] .... print_traces+0x1d/0x60
> .....[<c01033d3>] .. ( <= dump_stack+0x23/0x30)
>
> Lee
>
>
>
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