[Bug 106513] AMDGPU not working on ubuntu 18.04

[bugzilla-daemon]

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

Alex Deucher  changed:

   What|Removed |Added

 Resolution|--- |DUPLICATE
 Status|NEW |RESOLVED

--- Comment #1 from Alex Deucher  ---


*** This bug has been marked as a duplicate of bug 105760 ***

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[Bug 106513] AMDGPU not working on ubuntu 18.04

[bugzilla-daemon]

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.dut...@gmail.com

Created attachment 139556
  --> https://bugs.freedesktop.org/attachment.cgi?id=139556=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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