Mailinglist Archive: opensuse-support (116 mails)

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Re: [opensuse-support] TW fails compatibility with amdgpu graphics driver
On 12/5/18 12:04 PM, Felix Miata wrote:
George from the tribe composed on 2018-12-05 11:05 (UTC-0600):

I think there may be some compatibility issues within the new kernel and
my hardware, perhaps? In any case, how can I get back into my system?

Boot a prior 4.18 kernel. If you don't still have one, use:

Maybe the modesetting driver will work for you. To find out, uninstall
xf86-video-amdgpu and
restart the server, or reboot. Like amdgpu, the modesetting requires KMS
enabled, so nomodeset
must not be on cmdline. Alternatively, assuming /etc/X11/xorg.conf does not
exist or conflict,
use /etc/X11/xorg.conf.d/50-device.conf to specify modesetting:

Section "Device"
Identifier "DefaultDevice"
Driver "modesetting"

Can I even reach runlevel 3 with network compatibility so that I could
try and upgrade or downgrade my kernel while running in nomodeset?

There may be a kernel cmdline option to make the 4.19 kernel suitable for your
460, amdgpu.dc=0
or or some other. malcolmlewis on the forums may be able to point
you directly to an
appropriate one.

Do I need to file a bug report?

Search BOO. I did. It found 20 open amdgpu bugs. There may already be one that
applies to you.

So I had some trouble installing an old kernel. Finally I went to install 4.12 from Leap 15 into my tumbleweed installation. I am probably not supposed to do that, but too late now.

In any case, in order to install the new kernel, I had to remove 4.19 and 4.18 to make room on the partition. I did it, and I was able to boot into the 4.12 kernel, but I cannot get the x window system to start now.

I see that Malcolm Lewis has researched a lot on the amdgpu, so I think I am going to go to the forums and seek his help to further troubleshoot this problem. For the time being I am running Leap 15 on a separate partition.

Thanks to all for your help and suggestions.

Box: 42.3 | KDE Plasma 5.8 | AMD Phenom IIX4 | 64 | 32GB
Laptop #1: TW | Plasma 5.13 | AMD FX 7TH GEN | 64 | 32GB
Laptop #2: TW | Plasma 5.13 | Core i5 | 64 | 8GB
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