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-   -   X server does not start on Debian 10 Buster with AMD Radeon RX 5700 XT (https://www.linuxquestions.org/questions/linux-software-2/x-server-does-not-start-on-debian-10-buster-with-amd-radeon-rx-5700-xt-4175661956/)

_tepster 10-03-2019 11:57 AM

X server does not start on Debian 10 Buster with AMD Radeon RX 5700 XT
 
Hi,

I'm having problems running X server on Debian 10 with AMD Radeon RX 5700 XT graphics card.

What I did:
  1. Installed Debian 10 Buster, no desktop environment.
  2. Run sudo apt install xorg.
  3. Run startx.

What happened:
The X server did not start, producing these errors:
Code:

[    96.383] (EE) open /dev/dri/card0: No such file or directory
[    96.383] (EE) Unable to find a valid framebuffer device
[    96.383] (EE) Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices

Here is a full log (/var/log/Xorg.0.log): https://pastebin.com/raw/ebWugwyB

Output of lspci -nn | grep VGA:
Code:

0b:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 [1002:731f] (rev c1)
How can I solve this problem?

Thank you in advance.

ballsystemlord 10-03-2019 06:45 PM

Debian probably does not have new enough drivers for your card. You need the latest version of the linux kernel, libdrm, mesa, and possibly Xorg. You may be able to just switch to debian testing and be fine (This would require a new install IIRC). So I'd backup my *whole* system.
If you have a spare disk you can always test out a new install with that.
You might also need an xorg.conf (Yes, I know, that's old and X should be able to auto detect. Sometimes X still needs it.) I can help if this is so.

Timothy Miller 10-03-2019 09:40 PM

Did you install the 19.30 radeon drivers for linux?

If not, you'll have a hard time getting that card to work. 5.3 kernel is required for kernel support without the radeon drivers, which is currently not available for Debian. Also Mesa 19.2 (which MIGHT possibly be backported to buster but no guarantees).

mark_alfred 10-06-2019 12:07 PM

Do you get the option of booting into recovery mode? If so, perhaps trying the option of dpkg may help. It would attempt to reconfigure and correct stuff.


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