From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 56139] [bisected] kernel 3.7.0-rc1 breaks 6950 (CAYMAN) Date: Tue, 06 Nov 2012 22:55:08 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1599955486==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 4E26E9E841 for ; Tue, 6 Nov 2012 14:55:08 -0800 (PST) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org Errors-To: dri-devel-bounces+sf-dri-devel=m.gmane.org@lists.freedesktop.org To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1599955486== Content-Type: multipart/alternative; boundary="1352242508.EeBA8eb80.14673"; charset="us-ascii" --1352242508.EeBA8eb80.14673 Date: Tue, 6 Nov 2012 22:55:08 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=56139 --- Comment #22 from Alexandre Demers --- (In reply to comment #21) > (In reply to comment #19) > > If I followed you correctly, setting bit 24 to "1" disables memory but keeps > > the CRTC state as it is (hopefully in sync with the monitor). However, what > > I see when grub2 kicks in with the "gfxpayload=keep" is an unsynced monitor. > > Sometimes the display will be black, other times it will only appear in the > > first couple of vertical lines, in others it will be vertically synced but > > shifted to the right at half or at two third of the screen. In other words, > > this really seems to be a sync problem. Should I try to combine patch 69113 > > and patch 69370 with the others? > > Are you saying the monitor gets messed up when grub kicks in? I.e., before > the OS loads? If so, that sounds like a grub issue. I'll take some pictures or record a small video of what's going on. That will be easier to understand. But yes, I'm beginning to think Grub2 is playing a bad trick somewhere in there and is not playing nicely when handling the framebuffer. -- You are receiving this mail because: You are the assignee for the bug. --1352242508.EeBA8eb80.14673 Date: Tue, 6 Nov 2012 22:55:08 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 22 on bug 56139 from 
(In reply to comment #21)
> (In reply to comment #19)
> > If I followed you correctly, setting bit 24 to "1" disables memory but keeps
> > the CRTC state as it is (hopefully in sync with the monitor). However, what
> > I see when grub2 kicks in with the "gfxpayload=keep" is an unsynced monitor.
> > Sometimes the display will be black, other times it will only appear in the
> > first couple of vertical lines, in others it will be vertically synced but
> > shifted to the right at half or at two third of the screen. In other words,
> > this really seems to be a sync problem. Should I try to combine patch 69113
> > and patch 69370 with the others?
> 
> Are you saying the monitor gets messed up when grub kicks in?  I.e., before
> the OS loads?  If so, that sounds like a grub issue.

I'll take some pictures or record a small video of what's going on. That will
be easier to understand. But yes, I'm beginning to think Grub2 is playing a bad
trick somewhere in there and is not playing nicely when handling the
framebuffer.

You are receiving this mail because:
  • You are the assignee for the bug.
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