linux-kernel - Re: 3.7-rc7: BUG: MAX_STACK_TRACE

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Date:	Wed, 28 Nov 2012 10:59:35 -0800 (PST)
From:	Christian Kujau <lists@...dbynature.de>
To:	Li Zhong <zhong@...ux.vnet.ibm.com>
cc:	LKML <linux-kernel@...r.kernel.org>, linuxppc-dev@...ts.ozlabs.org,
	paulus@...ba.org
Subject: Re: 3.7-rc7: BUG: MAX_STACK_TRACE_ENTRIES too low!

On Wed, 28 Nov 2012 at 16:41, Li Zhong wrote:
> Would you please help to try the following fix? I don't have a powerpc32
> machine for test...

I've just applied this to 3.7-rc7 and booted the machine. I don't know how 
to trigger this bug, so it might take a while until it happens again - or 
not, now with your patch applied.

It happened only 2 times so far, after ~8h and after ~20h:

Nov  5 13:28:20 alice kernel: [    0.000000] Linux version 3.7.0-rc4 
Nov  5 21:00:26 alice kernel: [27148.965634] BUG: MAX_STACK_TRACE_ENTRIES too low!
Nov 26 21:53:43 alice kernel: [    0.000000] Linux version 3.7.0-rc7 
Nov 27 17:15:29 alice kernel: [69731.388717] BUG: MAX_STACK_TRACE_ENTRIES too low!

Thanks,
Christian.
-- 
BOFH excuse #86:

Runt packets
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