[SeaBIOS] [Qemu-devel] (PAM stuff) reset doesn't work on OVMF + SeaBIOS CSM

[Kevin O'Connor]

On Fri, Feb 15, 2013 at 04:10:59AM +0100, Laszlo Ersek wrote:
> On 02/15/13 02:22, Kevin O'Connor wrote:
> > On Thu, Feb 14, 2013 at 08:16:02PM -0500, Kevin O'Connor wrote:
> > By chance, are you using an older version of kvm?  There was a bug in
> > kvm that caused changes to memory mapped at 0xe0000-0xfffff to also be
> > reflected in the "rom" image at 0xfffe0000-0xffffffff.  It was my
> > understand that this bug was fixed though.
> 
> You are great! Disabling KVM for the guest (/domain/@type='qemu') made
> the reboot work on both the RHEL-6 devel version of qemu and on upstream
> 1.3.1.
> 
> (I didn't try suspend/resume yet.)
> 
> Do you recall the precise commit that fixed the "reflection"? I've been
> eyeballing kvm commit messages for a few ten minutes now, but of course
> in vain. (CC'ing Gleb and Marcelo.)

I found this email thread:

http://kerneltrap.org/mailarchive/linux-kvm/2010/9/21/6267744

and: http://marc.info/?l=kvm-commits&m=128576215909532

-Kevin