[PATCH -mm 1/2] kexec jump -v11: kexec jump
vgoyal at redhat.com
Thu Jun 12 15:20:15 EDT 2008
On Tue, Jun 10, 2008 at 03:15:04PM +0800, Huang, Ying wrote:
> This patch provides an enhancement to kexec/kdump. It implements
> the following features:
> - Backup/restore memory used by the original kernel before/after
> - Save/restore CPU state before/after kexec.
> The features of this patch can be used as a general method to call
> program in physical mode (paging turning off). This can be used to
> call BIOS code under Linux.
I was testing these patches and I get following error on my machine.
Freezing remaining freezable tasks ... (elapsed 0.00 seconds) done.
Suspending console(s) (use no_console_suspend to debug)
PM: Device i8042 failed to freeze: error -22
Restarting tasks ... done.
Any idea why keyboard controller would not freeze?
More information about the kexec