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Date:	Tue, 29 Apr 2008 09:07:15 -0700
From:	Mike Travis <travis@....com>
To:	Ingo Molnar <mingo@...e.hu>
CC:	Andrew Morton <akpm@...ux-foundation.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/1] x86: fix remove cpu_pda table patch

Ingo Molnar wrote:
> * Mike Travis <travis@....com> wrote:
> 
>> [Ingo - please replace "PATCH 07/11" with this one.]
>>
>>     *	Remove 544k bytes from the kernel by removing the boot_cpu_pda
>> 	array from the data section and allocating it during startup.
>>
>> 	Fixed panic in setup_per_cpu_areas when HOTPLUG_CPU not set.
>>
>> For inclusion into sched-devel/latest tree.
> 
> sched-devel.git randconfig testing found another crash with your queue:
> 
> [    0.111060] Brought up 1 CPUs
> [    0.111986] Total of 1 processors activated (4022.73 BogoMIPS).
> [    0.112987] Testing NMI watchdog ... <1>BUG: unable to handle kernel NULL pointer dereference at 0000000000000040
> [    0.114982] IP: [<ffffffff8180d4a0>] check_nmi_watchdog+0xb0/0x210
> [    0.114982] PGD 0
> [    0.114982] Oops: 0000 [1] SMP
> [    0.114982] CPU 0
> [............]
> 
>  http://redhat.com/~mingo/misc/config-Mon_Apr_28_23_25_25_CEST_2008.bad
>  http://redhat.com/~mingo/misc/log-Mon_Apr_28_23_25_25_CEST_2008.bad
> 
> 	Ingo

Ouch! ;-) Ok, I'll check it out.

Thanks,
Mike
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