From mboxrd@z Thu Jan 1 00:00:00 1970 From: bugzilla-daemon@freedesktop.org Subject: [Bug 111685] [Polaris 30] [Bisected] Kernel BUG during boot when amdgpu.dpm=0 Date: Sat, 14 Sep 2019 09:18:25 +0000 Message-ID: Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============1808776502==" Return-path: Received: from culpepper.freedesktop.org (culpepper.freedesktop.org [131.252.210.165]) by gabe.freedesktop.org (Postfix) with ESMTP id 605066F4F7 for ; Sat, 14 Sep 2019 09:18:25 +0000 (UTC) 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 --===============1808776502== Content-Type: multipart/alternative; boundary="15684527050.565eb.26920" Content-Transfer-Encoding: 7bit --15684527050.565eb.26920 Date: Sat, 14 Sep 2019 09:18:25 +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=3D111685 Bug ID: 111685 Summary: [Polaris 30] [Bisected] Kernel BUG during boot when amdgpu.dpm=3D0 Product: DRI Version: DRI git Hardware: x86-64 (AMD64) OS: Linux (All) Status: NEW Severity: normal Priority: not set Component: DRM/AMDgpu Assignee: dri-devel@lists.freedesktop.org Reporter: omar.squircleart@gmail.com Created attachment 145359 --> https://bugs.freedesktop.org/attachment.cgi?id=3D145359&action=3Dedit Bisect log To reproduce, pass the parameter amdgpu.dpm=3D0 to a kernel v5.2 or higher.= The kernel will hang at boot. v5.1 boots correctly. I have bisected the kernel between v5.1 and v5.2, the bisect log is attached below. The last three lines from the log are as follow, the full log is attached below: kernel: BUG: unable to handle page fault for address: ffff91fe41bdf5f8 kernel: #PF: supervisor read access in kernel mode kernel: #PF: error_code(0x0000) - not-present page --=20 You are receiving this mail because: You are the assignee for the bug.= --15684527050.565eb.26920 Date: Sat, 14 Sep 2019 09:18:25 +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
Bug ID 111685
Summary [Polaris 30] [Bisected] Kernel BUG during boot when amdgpu.dp= m=3D0
Product DRI
Version DRI git
Hardware x86-64 (AMD64)
OS Linux (All)
Status NEW
Severity normal
Priority not set
Component DRM/AMDgpu
Assignee dri-devel@lists.freedesktop.org
Reporter omar.squircleart@gmail.com 

Created attachment 145359 [det=
ails]
Bisect log

To reproduce, pass the parameter amdgpu.dpm=3D0 to a kernel v5.2 or higher.=
 The
kernel will hang at boot. v5.1 boots correctly.

I have bisected the kernel between v5.1 and v5.2, the bisect log is attached
below.

The last three lines from the log are as follow, the full log is attached
below:

kernel: BUG: unable to handle page fault for address: ffff91fe41bdf5f8
kernel: #PF: supervisor read access in kernel mode
kernel: #PF: error_code(0x0000) - not-present page

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