Re: tip -ENOBOOT - bisected to locking/refcounts, x86/asm: Implement fast refcount overflow protection

[Mike Galbraith]

On Tue, 2017-08-29 at 11:27 +0200, Ingo Molnar wrote:
> * Mike Galbraith <efault@xxxxxx> wrote:
> 
> > On Tue, 2017-08-29 at 10:58 +0200, Ingo Molnar wrote:
> > > * Mike Galbraith <efault@xxxxxx> wrote:
> > > 
> > > > Greetings,
> > > > 
> > > > Take 2 of KVM bisect as you work fingered $subject. ÂTake 1 was stymied
> > > > by build dependencies (aa5d1b81, df340524) which I foolishly tried to
> > > > skip, leading git bisect to end up handing me a list of commits that
> > > > might be busted. ÂDuring take 2, I added those two as required.
> > > > 
> > > > Symptom is a few splats as below, with box finally hanging. ÂNetwork
> > > > comes up, but neither ssh nor console login is possible.
> > > 
> > > Just to double check, does the patch below also cure the regression?
> > > If we don't find the bug it might be safer than a full revert.
> > 
> > I reverted it, and vbox now boots. ÂShould I still try the below?
> 
> Would be nice, so I can stick a Tested-by on it and such!

Done, works.

	-Mike