From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 65068] vgaswitcheroo doesn't deal with powered off dGPU on resume Date: Sat, 01 Jun 2013 20:27:12 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============0150994798==" Return-path: Received: from culpepper.freedesktop.org (unknown [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id EFFB3E5FE5 for ; Sat, 1 Jun 2013 13:27:11 -0700 (PDT) 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 --===============0150994798== Content-Type: multipart/alternative; boundary="1370118431.Af84131.18204"; charset="us-ascii" --1370118431.Af84131.18204 Date: Sat, 1 Jun 2013 20:27:11 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" https://bugs.freedesktop.org/show_bug.cgi?id=65068 --- Comment #5 from Alex Deucher --- (In reply to comment #4) > I'm not sure if this has anything to do with this bug, but the PCI config > space is all messed up when running on the integrated GPU: When you disable the GPU the hardware is physically powered off so you are accessing non-existent registers. You need to power up the GPU using vgaswitcheroo before loading/resuming the driver or access the config space with lspci. -- You are receiving this mail because: You are the assignee for the bug. --1370118431.Af84131.18204 Date: Sat, 1 Jun 2013 20:27:11 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8"

Comment # 5 on bug 65068 from 
(In reply to comment #4)
> I'm not sure if this has anything to do with this bug, but the PCI config
> space is all messed up when running on the integrated GPU:

When you disable the GPU the hardware is physically powered off so you are
accessing non-existent registers.  You need to power up the GPU using
vgaswitcheroo before loading/resuming the driver or access the config space
with lspci.

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