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Date: Fri, 27 Apr 2007 17:18:16 -0700
From: Jeremy Fitzhardinge <jeremy@goop.org>
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To: Linus Torvalds <torvalds@linux-foundation.org>
CC: "Rafael J. Wysocki" <rjw@sisk.pl>, Pekka J Enberg <penberg@cs.helsinki.fi>,
       Nigel Cunningham <nigel@nigel.suspend2.net>,
       LKML <linux-kernel@vger.kernel.org>
Subject: Re: Back to the future.
References: <1177567481.5025.211.camel@nigel.suspend2.net> <1177654110.4737.91.camel@nigel.suspend2.net> <Pine.LNX.4.64.0704270910190.18521@sbz-30.cs.Helsinki.FI> <200704272324.43359.rjw@sisk.pl> <alpine.LFD.0.98.0704271442160.9964@woody.linux-foundation.org>
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Linus Torvalds wrote:
> On Fri, 27 Apr 2007, Rafael J. Wysocki wrote:
>   
>> Why do you think that keeping the user space frozen after 'snapshot' is a bad
>> idea?  I think that solves many of the problems you're discussing.
>>     
>
> It makes it harder to debug (wouldn't it be *nice* to just ssh in, and do
>
> 	gdb -p <snapshotter>
>
> when something goes wrong?)

Yeah, or gdb vmlinux snapshot

Then you could use kexec for resume...

    J