[Bug 106513] AMDGPU not working on ubuntu 18.04 - bugzilla-daemon

From: bugzilla-daemon@freedesktop.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 106513] AMDGPU not working on ubuntu 18.04
Date: Mon, 14 May 2018 14:31:03 +0000	[thread overview]
Message-ID: <bug-106513-502@http.bugs.freedesktop.org/> (raw)


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https://bugs.freedesktop.org/show_bug.cgi?id=106513

            Bug ID: 106513
           Summary: AMDGPU not working on ubuntu 18.04
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: mathieu.dutour@gmail.com

Created attachment 139556
  --> https://bugs.freedesktop.org/attachment.cgi?id=139556&action=edit
the dmesg output

WHAT HAPPENS
- Amdgpu refuses to start without any information as of why.
- The problem happened between Ubuntu 17.10 and Ubuntu 18.04
- Three behaviors are occurring:
  a) The login happens normally (very rare, only 2 times)
  b) The login fails, the screen remain stuck and nothing happens
  c) The login fails and I am sent back to the login screen
- The mouse cursor does not respond to movements.
- I can access to the console via Ctrl+Alt F4
- The "dmesg" output is in attachment. The smoking gun in my opinion is
[  170.244044] [drm:atom_op_jump [amdgpu]] *ERROR* atombios stuck in loop for
more than 5secs aborting

TIPS
- I can access to login screen and to all the data on the computer. But only in
text mode. So I can update 

The crashes that allows ssh connection almost always happens when firefox is
openned and running a video (netflix, youtube) or whatsapp web.
- The crashes that simply hangs the entire computer may occur at any time.

OBSERVATIONS
- No modification were done to the driver, only standard driver from ubuntu
18.04.

SYSTEM SPECS
- Dell Inspiron 5767 is used. Kernel from Ubuntu

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