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Date: Tue, 1 Mar 2005 12:35:22 -0800
From: Andrew Morton <akpm@osdl.org>
To: Pavel Machek <pavel@suse.cz>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.11-rc4-mm1: something is wrong with swsusp powerdown
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Pavel Machek <pavel@suse.cz> wrote:
>
> Hi!
> 
> > Resume on SMP locks up.
> 
> Does it work on UP kernel on same hardware?

yup.

> NMI watchdog is problem
> for suspend, it takes long to do various phases. Can you disable it
> for testing?

Will try to remember to do that.

> > Relocating pagedir | 
> > Reading image data (8157 pages): 100% 8157 done.
> > Stopping tasks: ====|                           
> > Freeing memory... done (0 pages freed)
> > Freezing CPUs (at 1)...Sleeping in:   
> >  [<c0103c1d>] dump_stack+0x19/0x20 
> >  [<c0133c7f>] smp_pause+0x1f/0x54 
> >  [<c010ee27>] smp_call_function_interrupt+0x3b/0x60
> >  [<c01037d4>] call_function_interrupt+0x1c/0x24    
> >  [<c0101111>] cpu_idle+0x55/0x64               
> >  [<c05929ed>] start_secondary+0x71/0x78
> >  [<00000000>] 0x0                      
> >  [<cffa5fbc>] 0xcffa5fbc
> > ok                      
> > double fault, gdt at c1203260 [255 bytes]
> > NMI Watchdog detected LOCKUP on CPU1, eip c0133c96, registers:

Note the double fault.

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