After replacing the graphics Xorg did not come up at all. Installed from jessie-backports xserver-xorg-video-amdgpu and firmware-amd-graphics — still no Xorg. Finally remembered to delete my specially crafted xorg.conf — phew, Xorg and the Mint desktop came up. Unfortunately only with 1024x768 (and really big letters) on an “unknown screen”.
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$ inxi -G Graphics: Card: Advanced Micro Devices [AMD/ATI] Device 67ff Display Server: X.Org 1.16.4 drivers: fbdev,ati (unloaded: vesa,radeon) Resolution: firstname.lastname@example.org GLX Renderer: N/A GLX Version: N/A
https://www.heise.de/ct/artikel/Mesa-17 ... 06515.html (german)
Do I need to leave LMDE since it seems to lag behind, staying on Debian 8 / Jessie?
[Edit] For now, I removed the RX550 and used the onboard Intel CPU graphics — its HDMI should support 3840x2160 but with 24 Hz only. LMDE came up with 2560x1440 (well, way better than 1024x768) and I can't see how to switch to 3840x2160. Now:
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inxi -F System: Host: ibl4 Kernel: 4.9.0-0.bpo.2-amd64 x86_64 (64 bit) Desktop: MATE 1.18.0 Distro: LinuxMint 2 betsy Machine: Mobo: MSI model: Z87-G43 (MS-7816) v: 1.0 Bios: American Megatrends v: V1.6 date: 11/27/2013 CPU: Quad core Intel Core i5-4570 (-MCP-) cache: 6144 KB Clock Speeds: 1: 800 MHz 2: 800 MHz 3: 800 MHz 4: 800 MHz Graphics: Card: Intel Xeon E3-1200 v3/4th Gen Core Processor Integrated Graphics Controller Display Server: X.org 1.16.4 drivers: fbdev,vesa,intel tty size: 132x43 Advanced Data: N/A for root
https://packages.debian.org/search?keyw ... 1-mesa-glx
https://www.phoronix.com/scan.php?page= ... -First-Try
Would it be (reasonably) safe to install Mesa from Debian testing into LMDE?
The proprietary AMDGPU-Pro driver is said to be working, but is offered only for Ubuntu (and Red Hat and Suse):
http://support.amd.com/en-us/kb-article ... Notes.aspx
Would it be (reasonably) safe to install this into LMDE?