linux-kernel - Re: v4.14.21+: ATOMIC_SLEEP splat bisected to 9428088c90b6 ("drm/qxl: reapply cursor after resetting primary")

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Message-ID: <CAPM=9tzkKWM2wjeQvWG2qKM-xgFwGD3bjWfgmDUDTQO+tXF-ig@mail.gmail.com>
Date:   Mon, 18 Jun 2018 12:33:52 +1000
From:   Dave Airlie <airlied@...il.com>
To:     Greg KH <gregkh@...uxfoundation.org>
Cc:     Mike Galbraith <efault@....de>, Ray Strode <rstrode@...hat.com>,
        LKML <linux-kernel@...r.kernel.org>,
        stable <stable@...r.kernel.org>,
        Gerd Hoffmann <kraxel@...hat.com>,
        Dave Airlie <airlied@...hat.com>,
        "open list:VIRTIO CORE, NET..." 
        <virtualization@...ts.linux-foundation.org>
Subject: Re: v4.14.21+: ATOMIC_SLEEP splat bisected to 9428088c90b6 ("drm/qxl:
 reapply cursor after resetting primary")

On 17 June 2018 at 21:02, Greg KH <gregkh@...uxfoundation.org> wrote:
> 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

Hi MIke,

Does
https://patchwork.freedesktop.org/patch/229980/

fix it?

I can queue up a revert asap, but since a revert just brings us back
another broken behaviour, I'd rather we just hurry the fix up.

Dave.