Bug 110416

Summary: Newly installed Kubuntu 18.04 brokes after try to install amdgpu for RX 550
Product: DRI Reporter: Hic Sunt Dracones <hic.sunt.dracones.89>
Component: DRM/AMDgpu-proAssignee: Default DRI bug account <dri-devel>
Status: RESOLVED MOVED QA Contact:
Severity: major    
Priority: medium    
Version: XOrg git   
Hardware: x86-64 (AMD64)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
Installation log for amdgpu-install
none
Basic system configuration before amggpu-install
none
Detailed system configuration before amdgpu-install
none
Basic system configuration after amggpu-install
none
Detailed system configuration after amdgpu-install none

Description Hic Sunt Dracones 2019-04-13 23:46:46 UTC 
I tried install this driver for RX 550 (https://drivers.amd.com/drivers/linux/amdgpu-pro-18.50-756341-ubuntu-18.04.tar.xz) 3 times and after installation the system doesn't begin, it just hold on a black screen saying:

[  8.6668039] ccp 0000:08:00:02: sev command 0x4 timed out, disabling PSP
[  8.6668075] ccp 0000:08:00:02: SEV: failed to get status. Error: 0x0

In that screen system doesn't answer any command.
If I change to tty2 (ctrl+alt+f2) I could login on the terminal e do amdgpu-uninstall and reboot (it works one time) and system would start normally.

So I couldn't fix that I had to reinstall the hole system (Kubuntu).

Base-Board: GA-A320M-S2H
BIOS version: F24
CPU: Ryzen 5 2600
GPU: RX 550 4GT - MSI
RAM: 8Gb HyperX Fury
Font: Bluecase 500W
Comment 1 Alex Deucher 2019-04-14 13:45:58 UTC 
Does it help if you disable SEV in your kernel config?
Comment 2 Hic Sunt Dracones 2019-04-15 11:36:52 UTC 
Created attachment 143972 [details]
Installation log for amdgpu-install
Comment 3 Hic Sunt Dracones 2019-04-15 11:38:23 UTC 
Created attachment 143973 [details]
Basic system configuration before amggpu-install
Comment 4 Hic Sunt Dracones 2019-04-15 11:39:09 UTC 
Created attachment 143974 [details]
Detailed system configuration before amdgpu-install
Comment 5 Hic Sunt Dracones 2019-04-15 11:40:23 UTC 
Created attachment 143975 [details]
Basic system configuration after amggpu-install
Comment 6 Hic Sunt Dracones 2019-04-15 11:41:15 UTC 
Created attachment 143976 [details]
Detailed system configuration after amdgpu-install
Comment 7 Hic Sunt Dracones 2019-04-15 11:52:23 UTC 
@Alex Deucher, I will try and post results here later
Comment 8 Martin Peres 2019-11-19 07:59:43 UTC 
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