Re: 'BUG: scheduling with irqs disabled' when umounting NFS volume

[Daniel Walker <dwalker@mvista.com>]

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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