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Groups > linux.debian.bugs.dist > #965083

Bug#932333: linux-image-amd64: Black screen with AMDGPU driver on DVI outpout, using a Polaris GPU and default options

Cross-posted to 2 groups.

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Package: linux-image-amd64
Version: 4.19+105
Severity: important

Dear Maintainer,

Since I upgraded my debian installation from stretch to buster, I have black screen issues with the default kernel.
It comes when I boot or I resume after a suspend-to-ram, only with the DVI output.
HDMI or Display Port outputs are not affected.

The GPU is a Sapphire Pulse RX 570 8 GB.
The package firmware-amd-graphics is installed.

If amdgpu.dc=0 is set, the DVI output works as excepted.

Since there is not any other kernel available for buster, I compiled manually the latest linux kernel.
This version (5.2.1) works perfectly.

Best regards


-- System Information:
Debian Release: 10.0
  APT prefers stable
  APT policy: (900, 'stable')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.2.1-amd64 (SMP w/16 CPU cores)
Kernel taint flags: TAINT_UNSIGNED_MODULE
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), LANGUAGE=fr_FR:en (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages linux-image-amd64 depends on:
ii  linux-image-4.19.0-5-amd64  4.19.37-5

linux-image-amd64 recommends no packages.

linux-image-amd64 suggests no packages.

-- no debconf information

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Bug#932333: linux-image-amd64: Black screen with AMDGPU driver on DVI outpout, using a Polaris GPU and default options Pierre Bouvier <bob-debian@outlook.com> - 2019-07-17 22:40 +0200

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