ckpt-16-dev BUG() - bisected

[Alexey Dobriyan]

On Wed, Jun 03, 2009 at 08:31:55PM -0400, Oren Laadan wrote:
> I couldn't reproduce the problem on my system - your script
> works fine (checkpoint and restart) on my kernel.
> 
> The actual logic is borrowed from Alexey's i386 patches.
> 
> My best guess is that either the issue occurs because you are
> running under KVM which uses different segments (?)
> 
> Either that, or something is wrong with Alexey's original code.
> 
> Alexey - any idea ?

That's because my code uses u16, not unsigned long ;-)
And u16 is what selectors are.

I don't know why they are unsigned long, this needs looking.

And, IIRC, struct pt_regs::gs contained some garbage in upper part.

And I use KVM too. :-)