Re: [DEBUG INFO]IPv6: sleeping function called from invalid context.

From: Thomas Graf
Date: Fri Nov 18 2005 - 07:35:14 EST


* YOSHIFUJI Hideaki / ?$B5HF#1QL@ <yoshfuji@xxxxxxxxxxxxxx> 2005-11-18 09:47
> In article <437D23EB.4020204@xxxxxxxx> (at Fri, 18 Nov 2005 08:44:27 +0800), Yan Zheng <yanzheng@xxxxxxxx> says:
>
> > I get follow message when switch to single user mode and the kernel version is 2.6.15-rc1-git5.
> :
> > Nov 18 08:26:23 localhost kernel: Debug: sleeping function called from invalid context at mm/slab.c:2472
> > Nov 18 08:26:23 localhost kernel: in_atomic():1, irqs_disabled():0
> > Nov 18 08:26:23 localhost kernel: [<c0149d5a>] kmem_cache_alloc+0x5a/0x70
> > Nov 18 08:26:23 localhost kernel: [<e0f47336>] inet6_dump_fib+0xb6/0x110 [ipv6]
>
> I remember someone replaced GFP_ATOMIC with GFP_KERNEL...

I did. I think it was right, why would an allocation be necessary on
the second call to inet6_dump_fib()? The walker allocated in process
context on the first call should be reused from cb->args[0].
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