Bug 111299 - AMD RX 570 Black Screen/Hang at startup (AMDGpu DC problem)
Summary: AMD RX 570 Black Screen/Hang at startup (AMDGpu DC problem)
Status: RESOLVED MOVED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/AMDgpu (show other bugs)
Version: XOrg git
Hardware: x86-64 (AMD64) Linux (All)
: medium major
Assignee: Default DRI bug account
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Reported: 2019-08-05 13:05 UTC by Surena Karimpour
Modified: 2019-11-19 09:38 UTC (History)
1 user (show)

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i915 platform:
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Attachments

Description Surena Karimpour 2019-08-05 13:05:10 UTC 
Hello, AMD RX 570 faces a blank, black screen at boot. This started happening after linux kernel 4.17 started enabling amdgpu DC by default, and only solution (for now) is disabling amdgpu DC using amdgpu.dc=0 kernel boot parameter.

Here is like to original bug, in Ubuntu's tracker:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-amdgpu/+bug/1837945

Sytem information (inxi -SGxxx): https://paste.ubuntu.com/p/sWW27FBwCG/
Comment 1 Michel Dänzer 2019-08-05 14:19:01 UTC 
Please attach the Xorg log and output of dmesg without amdgpu.dc=0.
Comment 2 Surena Karimpour 2019-08-05 14:30:24 UTC 
Its not possible to report without amdgpu.dc=0
Its absolutely impossible to boot the system, it tries to boot and then 'dies', quite literally, as nothing functions on the system.
Comment 3 Martin Peres 2019-11-19 09:38:35 UTC 
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