Khalid Aziz wrote, on 11/01/11 03:07:
On Mon, 2011-01-10 at 03:37 +1030, Arthur Marsh wrote:
Package: kexec-tools
Version: 1:2.0.1-4
Severity: important
I have used the example in the kexec man page to load a kernel
but when
kexec -e
is run, I get a flush of the disks then reboot without the shutdown scripts
being called.
Is this the intended behaviour?
I am looking to be able to run the just installed kernel for git bisection
work.
Yes, that is the intended behavior of "kexec -e". "kexec -e" will
execute the shut down routines in the kernel and reboot into new kernel.
It does not call the shutdown scripts in init. kexec makes a system
call.
Could the kexec manual page please state what options are passed to
shutdown(8)?
The right way to execute shutdown scripts in init and then kexec into
new kernel is to create a script in rc6.d that calls "kexec -e" and have
it execute before the script that calls reboot. When you install
kexec-tools package, this script is automatically set up for you and all
you have to do to kexec a new kernel is to execute "reboot". As long as
LOAD_KEXEC is set to true in /etc/default/kexec, init scripts installed
by kexec-tools will kexec load the kernel in /etc/default/kexec and
kexec into it after calling all shutdown scripts in init.
I ended up editing /etc/init.d/kexec-load to load into RAM the
most-recently built kernel rather than what was specficied in
/etc/default/grub
Thanks for your help!
Arthur.
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