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RE: Linux 4.4.4 [regression]

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> -----Original Message-----
> From: Greg KH [mailto:gregkh@linuxfoundation.org]
> Sent: Tuesday, March 08, 2016 11:17 PM
> To: Jean Delvare
> Cc: linux-kernel@vger.kernel.org; Andrew Morton; torvalds@linux-
> foundation.org; stable@vger.kernel.org; lwn@lwn.net; Jiri Slaby; Koenig,
> Christian; Lazare, Jordan; Deucher, Alexander
> Subject: Re: Linux 4.4.4 [regression]
> 
> On Tue, Mar 08, 2016 at 09:48:02AM +0100, Jean Delvare wrote:
> > On Tue, 8 Mar 2016 09:16:13 +0100, Jean Delvare wrote:
> > > On Thu, 3 Mar 2016 15:34:15 -0800, Greg KH wrote:
> > > > I'm announcing the release of the 4.4.4 kernel.
> > > >
> > > > All users of the 4.4 kernel series must upgrade.
> > > > (...)
> > > > Alex Deucher (13):
> > > >       (...)
> > > >       drm/radeon/pm: adjust display configuration after powerstate
> > >
> > > I am getting a regression from 4.4.3 to 4.4.4, and biscection points to
> > > the above commit.
> > >
> > > http://git.kernel.org/cgit/linux/kernel/git/stable/linux-
> stable.git/commit/?h=linux-
> 4.4.y&id=a83b349814dee660caff0a40a22ac2f166c94a8b
> > >
> > > I have reported it in bugzilla:
> > > https://bugzilla.kernel.org/show_bug.cgi?id=113891
> > >
> > > Symptoms are a vertically jittering display with horizontal black
> > > stripes, pretty much all the time on almost every boot.
> > >
> > > This is with a Sapphire HD 6670 graphics card:
> > > 01:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc.
> [AMD/ATI] Turks XT [Radeon HD 6670/7670] [1002:6758]
> >
> > I just tested v4.5-rc7 and it suffers from the same problem.
> 
> Wonderful, we are bug-compatible then :)
> 
> Radeon developers, can you all look into this?

Already reverted in my last pull request to Dave.

Alex

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Re: Linux 4.4.4 [regression] Jean Delvare <jdelvare@suse.de> - 2016-03-08 09:20 +0100
  Re: Linux 4.4.4 [regression] Jean Delvare <jdelvare@suse.de> - 2016-03-08 09:50 +0100
    Re: Linux 4.4.4 [regression] Greg KH <gregkh@linuxfoundation.org> - 2016-03-09 05:20 +0100
      RE: Linux 4.4.4 [regression] "Deucher, Alexander" <Alexander.Deucher@amd.com> - 2016-03-09 15:50 +0100
        Re: Linux 4.4.4 [regression] 'Greg KH' <gregkh@linuxfoundation.org> - 2016-03-09 17:30 +0100
          RE: Linux 4.4.4 [regression] "Deucher, Alexander" <Alexander.Deucher@amd.com> - 2016-03-09 17:40 +0100

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