From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 109366] NULL pointer at pcie_capability_read_dword with Radeon SI vfio passthrough Date: Tue, 15 Jan 2019 16:22:20 +0000 Message-ID: References: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1378169936==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 7C15B89D46 for ; Tue, 15 Jan 2019 16:22:20 +0000 (UTC) In-Reply-To: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" To: dri-devel@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============1378169936== Content-Type: multipart/alternative; boundary="15475693401.B53e26.14786" Content-Transfer-Encoding: 7bit --15475693401.B53e26.14786 Date: Tue, 15 Jan 2019 16:22:20 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated https://bugs.freedesktop.org/show_bug.cgi?id=3D109366 --- Comment #1 from Alex Williamson --- Use a Q35 VM configuration with the assigned GPU downstream of an emulated = PCIe root port as a workaround. The driver assumes this configuration, presumab= ly it's the only one that exists on bare metal, and reads from the upstream de= vice without checking that it is actually present. --=20 You are receiving this mail because: You are the assignee for the bug.= --15475693401.B53e26.14786 Date: Tue, 15 Jan 2019 16:22:20 +0000 MIME-Version: 1.0 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: http://bugs.freedesktop.org/ Auto-Submitted: auto-generated

Commen= t # 1 on bug 10936= 6 from Alex Williamson 
Use a Q35 VM configuration with the assigned GPU downstream of=
 an emulated PCIe
root port as a workaround.  The driver assumes this configuration, presumab=
ly
it's the only one that exists on bare metal, and reads from the upstream de=
vice
without checking that it is actually present.

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