[Bug 104639] kernel 4.15-rc8 reboots randomly with RX 560 - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 104639] kernel 4.15-rc8 reboots randomly with RX 560
Date: Mon, 15 Jan 2018 13:23:16 +0000	[thread overview]
Message-ID: <bug-104639-502@http.bugs.freedesktop.org/> (raw)

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https://bugs.freedesktop.org/show_bug.cgi?id=104639

            Bug ID: 104639
           Summary: kernel 4.15-rc8 reboots randomly with RX 560
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: blocker
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: peteralm1980@gmail.com

Created attachment 136726
  --> https://bugs.freedesktop.org/attachment.cgi?id=136726&action=edit
dmesg

My workstation running arch linux with a RX560 GPU randomly reboots after a few
minutes of use with the new amdgpu version in kernel 4.15. It seems to mostly
happen when there's a full screen redraw happening (such as maximizing a
window.) It happens regardless of desktop environment (I've tested GNOME on
both wayland and Xorg, as well as KDE). If it's left at the GDM login screen it
doesn't seem to reboot.

Kernel version 4.14 and older seems to be rock solid.

I've tried the following things to workaround it but nothing seems to make any
difference:
 * Setting amdgpu.dc to both 1 and 0

 * Disabling dpm by setting amdgpu.dpm to 0

 * Upgrading MESA from 17.3.2 to latest git master

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