On Tue, 18 Sep 2007 13:17:28 +0400 Alexey Dobriyan <[email protected]> wrote:
> I'm getting tons of this, and X fails to start
>
> CONFIG_SYSVIPC=y
> CONFIG_SYSVIPC_SYSCTL=y
> # CONFIG_PREEMPT_NONE is not set
> # CONFIG_PREEMPT_VOLUNTARY is not set
> CONFIG_PREEMPT=y
> CONFIG_PREEMPT_BKL=y
> CONFIG_DEBUG_PREEMPT=y
>
> BUG: sleeping function called from invalid context at kernel/rwsem.c:47
> in_atomic():1, irqs_disabled():0
> no locks held by X/5879.
> [<c012bcb1>] down_write+0x15/0x50
> [<c01b53af>] do_shmat+0x235/0x3a0
> [<c0106be2>] sys_ipc+0x146/0x263
> [<c0102892>] sysenter_past_esp+0xa7/0xb5
> [<c0102856>] sysenter_past_esp+0x6b/0xb5
Someone got their locking imbalanced. Seems that I lost the suitable config
settings to catch that.
Hang about while I do bisection search #800.
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