Linux Virtualization - Jun 2018 - v4.14.21+: ATOMIC_SLEEP splat bisected to 9428088c90b6 ("drm/qxl: reapply cursor after resetting primary")

On Sat, Jun 16, 2018 at 05:39:11PM +0200, Mike Galbraith
wrote:
> Greetings,
> 
> Running a kernel with ATOMIC_SLEEP enabled in one of my VMs, I met the
> splat below.  I tracked it back to 4.14-stable, and bisected it there.
Why does your virtual machine use a drm driver?  Ah, it's a driver for
virtual gpu, nice.

And if you revert that patch, does everything work again?
> # first bad commit: [848dd9bf51544c8e5436960124f3d1f9c51cdb99] drm/qxl:
reapply cursor after resetting primary
You should also cc: the other developers on that signed-off-by list,
like I did here...

thanks,

greg k-h

On Sun, 2018-06-17 at 11:36 +0200, Greg KH wrote:
> 
> And if you revert that patch, does everything work again?
Yes.

	-Mike

On Sun, Jun 17, 2018 at 12:38:06PM +0200, Mike Galbraith
wrote:
> On Sun, 2018-06-17 at 11:36 +0200, Greg KH wrote:
> > 
> > And if you revert that patch, does everything work again?
> 
> Yes.
Great, Dave, care to revert this in 4.18 so I can queue up that revert
in older kernels as well?

thanks,

greg k-h