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warrens
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 Posted: Wed Mar 22, 2023 3:16 am Post subject: [Solved] No X on iGPU of AMD 7950x |
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Every time I try to startx or start display manager I get dumped to the console
/var/log/Xorg.0.log https://pastebin.com/aymbFUsL
.local/share/xorg/Xorg.0.log https://pastebin.com/QhfMuTjw
Part of dmesg containing amdgpu info https://pastebin.com/3iwDnSiJ
what is sad is this actually works on Kubuntu. I want it to work on Gentoo though.
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Last edited by warrens on Thu Mar 23, 2023 7:27 pm; edited 1 time in total |
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stefan11111
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| Posted: Wed Mar 22, 2023 10:09 am Post subject: |
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Mostly a guess, but how have you set CONFIG_DRM_FBDEV_EMULATION?
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warrens
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| Posted: Wed Mar 22, 2023 3:06 pm Post subject: |
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It is set to: CONFIG_DRM_FBDEV_EMULATION=y
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NeddySeagoon
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| Posted: Wed Mar 22, 2023 5:56 pm Post subject: |
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warrens,
Post your and pastebin your entire dmesg output please.
You may as well put your kernel .config onto a pastebin too, we may want to change it.
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warrens
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NeddySeagoon
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| Posted: Wed Mar 22, 2023 9:44 pm Post subject: |
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warrens,
You have two video cards. it looks like the nVidia card is set up to be passed to a guest. Hence Kernel driver in use: vfio-pci.
| Code: | 01:00.0 VGA compatible controller [0300]: NVIDIA Corporation TU102 [GeForce RTX 2080 Ti Rev. A] [10de:1e07] (rev a1)
Subsystem: Micro-Star International Co., Ltd. [MSI] TU102 [GeForce RTX 2080 Ti Rev. A] [1462:3717]
Kernel driver in use: vfio-pci
13:00.0 VGA compatible controller [0300]: Advanced Micro Devices, Inc. [AMD/ATI] Raphael [1002:164e] (rev c1)
Subsystem: Gigabyte Technology Co., Ltd Raphael [1458:d000]
Kernel driver in use: amdgpu
Kernel modules: amdgpu |
The amdgpu kernel driver is not happy
| Code: | [ 4.694701] ------------[ cut here ]------------
[ 4.694702] WARNING: CPU: 20 PID: 2131 at drivers/gpu/drm/amd/amdgpu/../display/dc/core/dc_link_dp.c:5090 dp_retrieve_lttpr_cap+0x14f/0x1c0 [amdgpu]
... |
but I can't see why.
This page does not list your 1002:164e PCI ID as a supported device.
That's a auto generated page for the kernel source tree.
A couple of long shots ...
You have | Code: | CONFIG_MICROCODE=y
CONFIG_MICROCODE_AMD=y |
but do not provide the microcode in | Code: | | CONFIG_EXTRA_FIRMWARE="" |
Its possible that its in your initrd but only if you asked for it to be included.
Updated microcode can fix problems.
6.1.19-gentoo is not the newest kernel. Its the newest stable on Gentoo. However it will only get bug fixes and security patches. No new features.
Try the Gentoo testing kernel. Your Raphael is AMD zen4, which is new. Follow the testing kernel for a while.
One thing I didn't think to check, in make.conf, your VIDEO_CARDS needn to be "amdgpu radeonsi"
That's amdgpu for Xorg and radeonsi for mesa.
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warrens
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| Posted: Thu Mar 23, 2023 9:50 am Post subject: |
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Ok, the warnings were caused by the display port, switched to hdmi warnings went away.
Even with the warnings gone I still have no X
Latest Kernel config (6.2.7) https://pastebin.com/KvgqpP7Y
Latest dmesg https://pastebin.com/wuBmZ0RL
read-edid does not give any results, complaining about not finding any ports Just about wished I stuck with Intel :/
The weird thing is that this iGPU works with kubuntu 2210, just have not been able to get vifo to work with it. Vifo works in Gentoo, just no joy so far with this iGPU.
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NeddySeagoon
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| Posted: Thu Mar 23, 2023 4:52 pm Post subject: |
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warrens,
dmesg looks healthy.
Going back to your Xorg.0.log its missing starting the amdgpu driver.
It loads OK but | Code: | [ 238.647] (II) AMDGPU: Driver for AMD Radeon:
All GPUs supported by the amdgpu kernel driver
[ 238.647] (II) modesetting: Driver for Modesetting Kernel Drivers: kms |
Before the modesetting drive line should be lots of AMDGPU lines.
Please post the output of and pastebin the Xorg.0.log now you are on the 6.2.7 kernel.
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warrens
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NeddySeagoon
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| Posted: Thu Mar 23, 2023 6:53 pm Post subject: |
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warrens,
VIDEO_CARDS="amdgpu radeonsi fbdev" and | Code: | [ 261.987] (II) LoadModule: "ati"
[ 261.987] (II) Loading /usr/lib64/xorg/modules/drivers/ati_drv.so |
are at odds.
You should not have the ati driver installed but its probably harmless.
| Code: | | CPU_FLAGS_X86="mmx mmxext sse sse2" |
are the generig settings from your profile.
Use the settings that | Code: | | app-portage/cpuid2cpuflags |
gives you.
It will improve multimedia and crypto performance mostly.
As you have two graphics cards, I wonder if the log really means what it says ...
| Code: | | [ 262.102] (EE) Cannot run in framebuffer mode. Please specify busIDs for all framebuffer devices |
Xorg sees both your graphics cards.
| Code: | [ 261.974] (--) PCI:*(1@0:0:0) 10de:1e07:1462:3717 rev 161, Mem @ 0xfb000000/16777216, 0xfcc0000000/268435456, 0xfcd0000000/33554432, I/O @ 0x0000f000/128, BIOS @ 0x????????/524288
[ 261.974] (--) PCI: (19@0:0:0) 1002:164e:1458:d000 rev 193, Mem @ 0xfce0000000/268435456, 0xfcf0000000/2097152, 0xfce00000/524288, I/O @ 0x0000e000/256 |
and the automatics will try to use the first one. There is no framebuffer there, so | Code: | | [ 262.099] (EE) Unable to find a valid framebuffer device |
follows.
Then its all down hill.
Lets tell Xorg to use the card at
Make a file called /etc/X11/xorg.conf.d/use_amd.conf with the content
| Code: | Section "Device"
Identifier "Raphael"
Driver "amdgpu"
BusID “PCI:19@0:0:0”
EndSection |
See for the details.
What this does is to tell Xorg to use the amdgpu driver on the graphics card found at PCI:19@0:0:0, which from your log, is where the your GPU is.
I can never remember if “PCI:19@0:0:0” should be hex or decimal, so “PCI:13@0:0:0” might be what's needed, as per your lspci output.
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NeddySeagoon
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warrens
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| Posted: Thu Mar 23, 2023 7:31 pm Post subject: |
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/etc/X11/xorg.conf.d/use_amd.conf solved the problem.
posting from my newly installed Gentoo 
Thanks for the help Neddy
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