Mailinglist Archive: opensuse-factory (845 mails)

[Sid Boyce <sboyce@xxxxxxxxxxxxxxxx>]

I was reminded of kexec the other day when an old pal mentioned an 
upgrade had advised a reboot to bring in an updated openSUSE kernel. I 
installed kexec-tools, did a load "kexec -l <new_kernel> 
--initrd=initrd<new_kernel>" followed by an execute "kexec -e". The 
switch took less than 10 seconds, I didn't really time it. KDE took it's 
usual time on top. For the impatient, it's the fastest way to bring in a 
new kernel.
I played with kexec while it was still very new - late 2002/early 2003, 
with mixed success back then, but it seems to have matured and is turned 
on in openSUSE kernels.
Any developer playing with this under the back stairs? Like the man 
said, sounds awesome, but hardly ever talked about. I like the idea of 
kjump, may be one day it will stabilise.
http://kerneltrap.org/node/11756 talks about 4.5 seconds on a laptop.
Regards
Sid.
--
Sid Boyce ... Hamradio License G3VBV, Licensed Private Pilot
Emeritus IBM/Amdahl Mainframes and Sun/Fujitsu Servers Tech Support 
Specialist, Cricket Coach
Microsoft Windows Free Zone - Linux used for all Computing Tasks

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