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 (boot/grub2 and suspend/resume) (CAYMAN) Date: Mon, 12 Nov 2012 04:27:15 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1036508828==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 535C19E7AE for ; Sun, 11 Nov 2012 20:27:15 -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 --===============1036508828== Content-Type: multipart/alternative; boundary="1352694435.a6c00.28548"; charset="us-ascii" --1352694435.a6c00.28548 Date: Mon, 12 Nov 2012 04:27:15 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=56139 --- Comment #26 from Alexandre Demers --- I've been playing with different options in Grub2 and the workaround for the boot sequence bug, beside reverting commit 62444b7462a2b98bc78d68736c03a7c4e66ba7e2, is to force gfxpayload=text. I tried many things by changing gfxmode, forcing it to known good values, in combination with gfxpayload. But whatever I tried, if gfxpayload=keep, it was not synced correctly (as described, sometimes I had a black screen, some other times, it is vertically synced but shifted, etc.) As already explained, if I either revert commit 62444b7462a2b98bc78d68736c03a7c4e66ba7e2 or if I set tmp=0 before WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp), which is disabling the whole crtc, the boot process is fine. Also, I tested kernel 3.7.0-rc5 (which contains attachment 69573). Since it also contains modified code in evergreen_mc_stop() from commit 62444b7462a2b98bc78d68736c03a7c4e66ba7e2, it crashes on resume. In other words, attachment 69573 fixes a part of the suspend/resume problem, but doesn't the part coming from evergreen_mc_stop(). While I can live with working around the boot process/grub2 problem, the suspend part is really annoying. -- You are receiving this mail because: You are the assignee for the bug. --1352694435.a6c00.28548 Date: Mon, 12 Nov 2012 04:27:15 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 26 on bug 56139 from 
I've been playing with different options in Grub2 and the workaround for the
boot sequence bug, beside reverting commit
62444b7462a2b98bc78d68736c03a7c4e66ba7e2, is to force gfxpayload=text.

I tried many things by changing gfxmode, forcing it to known good values, in
combination with gfxpayload. But whatever I tried, if gfxpayload=keep, it was
not synced correctly (as described, sometimes I had a black screen, some other
times, it is vertically synced but shifted, etc.) As already explained, if I
either revert commit 62444b7462a2b98bc78d68736c03a7c4e66ba7e2 or if I set tmp=0
before WREG32(EVERGREEN_CRTC_CONTROL + crtc_offsets[i], tmp), which is
disabling the whole crtc, the boot process is fine.

Also, I tested kernel 3.7.0-rc5 (which contains attachment 69573 [details] [review]). Since it
also contains modified code in evergreen_mc_stop() from commit
62444b7462a2b98bc78d68736c03a7c4e66ba7e2, it crashes on resume. In other words,
attachment 69573 [details] [review] fixes a part of the suspend/resume problem, but doesn't the
part coming from evergreen_mc_stop().

While I can live with working around the boot process/grub2 problem, the
suspend part is really annoying.

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