Re: [PATCH -mm 1/2] kexec jump -v11: kexec jump

[Vivek Goyal]

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
>   kexec.
> 
> - 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.
> 
> 

Hi Huang,

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?

Thanks
Vivek
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