From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ@public.gmane.org Subject: [Bug 58556] MacBook Pro 5, 1 with nVidia 9400m and 9600m, scrambled screen Date: Mon, 18 Nov 2013 20:36:02 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0357782014==" Return-path: In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org Errors-To: nouveau-bounces-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org List-Id: nouveau.vger.kernel.org --===============0357782014== Content-Type: multipart/alternative; boundary="1384806962.a8D56D3.26221"; charset="us-ascii" --1384806962.a8D56D3.26221 Date: Mon, 18 Nov 2013 20:36:02 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=58556 --- Comment #20 from Pierre Moreau --- Here are some news about my small progresses. I found out why commit 20abd1634a6e2eedb84ca977adea56b8aa06cc3e introduced a bug: it would init the psw->vblank field only if acceleration is enabled even if it is used in both cases; calling nv50_software_create even with acceleration solves the problem. I reverted a few more commits, however I'm stuck on commit ebb945a94bba2ce8dff7b0942ff2b3f2a52a0a69 Author: Ben Skeggs Date: Thu, 19 Jul 2012 22:17:34 +0000 It seems like the init issue was fixed, but the screen stays scrambled. After some testing, it seems some of the work done by nouveau_channel_new (which is only called when acceleration is enabled) is needed, and therefore also n84_fence_create, but I couldn't find which parts. When enabling nv84_fence_create and nouveau_channel_new for the NVAC card (boot hangs if enabling it for the NV96 card), nv50_disp_intr spams lots of nouveau E[PFB][0000:03:00:0] trapped write at 0x0000546000 on channel 0x0000fee0 [unknown] BAR/PFIFO_WRITE/FB reason: PAGE_NOT_PRESENT but it seems harmless, apart from getting a really big dmesg and, some times, hanging on boot. Booting with 'nouveau.accel=0 nouveau.modeset=0 3' results in a clean console mode, and running startx manually after boot will also give a clean GUI. -- You are receiving this mail because: You are the assignee for the bug. --1384806962.a8D56D3.26221 Date: Mon, 18 Nov 2013 20:36:02 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 20 on bug 58556 from 
Here are some news about my small progresses.

I found out why commit 20abd1634a6e2eedb84ca977adea56b8aa06cc3e introduced a
bug: it would init the psw->vblank field only if acceleration is enabled even
if it is used in both cases; calling nv50_software_create even with
acceleration solves the problem.

I reverted a few more commits, however I'm stuck on

  commit ebb945a94bba2ce8dff7b0942ff2b3f2a52a0a69 
  Author: Ben Skeggs <bskeggs@redhat.com>
  Date:   Thu, 19 Jul 2012 22:17:34 +0000

It seems like the init issue was fixed, but the screen stays scrambled. After
some testing, it seems some of the work done by nouveau_channel_new (which is
only called when acceleration is enabled) is needed, and therefore also
n84_fence_create, but I couldn't find which parts. When enabling
nv84_fence_create and nouveau_channel_new for the NVAC card (boot hangs if
enabling it for the NV96 card), nv50_disp_intr spams lots of

  nouveau E[PFB][0000:03:00:0] trapped write at 0x0000546000 on channel
0x0000fee0 [unknown] BAR/PFIFO_WRITE/FB reason: PAGE_NOT_PRESENT

but it seems harmless, apart from getting a really big dmesg and, some times,
hanging on boot.


Booting with 'nouveau.accel=0 nouveau.modeset=0 3' results in a clean console
mode, and running startx manually after boot will also give a clean GUI.

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