Re: [2.6.22-rc4] kexec failed: invalid argument

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15 Haz 2007 Cum tarihinde, Eric W. Biederman şunları yazmıştı: 
> Sight unseen I'm guessing that you have a kexec aware distro that is doing
> something in the runlevel change scripts and thus unloading the kernel.
> What do: /sys/kernel/kexec_loaded and /sys/kernel/kexec_crash_loaded say?

Not sure, here is the pseudo output what our init system does;

- Stop running services
- Save random seed, sync clock
- Unmount mounted fs's (this includes proc/sysfs etc.)
- Call kexec -e
- Call reboot
 
> kexec -e at any point should start a loaded kernel without problems, but it
> is a lot like pressing the reset button.  Nothing is guaranteed to be
> shutdown cleanly.  Now that journalling filesystems are the norm it is
> quite possible nothing bad will happen to you.

zangetsu ~ # 
kexec -l /boot/kernel-2.6.22-rc4-CFS-v16 --append="root=/dev/sda3" --initrd=/boot/initramfs-2.6.22-rc4-CFS-v16
setup_linux_vesafb: 1024x768x16 @ c0000000 +300000
zangetsu ~ # cat /sys/kernel/kexec_loaded
1
zangetsu ~ # cat /sys/kernel/kexec_crash_loaded
0

Cheers
-- 
S.Çağlar Onur <[email protected]>
http://cekirdek.pardus.org.tr/~caglar/

Linux is like living in a teepee. No Windows, no Gates and an Apache in house!

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