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#1 2023-01-12 14:16:10

FrozenArcher
Member
From: Hangzhou
Registered: 2022-03-31
Posts: 16

[SOLVED]sddm fails to start despite nvidia driver is installed

SOLUTION: do not run nvidia-xconfig, or remove /etc/X11/xorg.conf if alredy generated.

When I run systemctl start sddm  I got a black screen.
kernel: the default linux kernel
Followed wiki pages to install nvidia driver (nvidia-dkms, compiled successfully) & intel modesetting driver, installed tools, re-generated initramfs, re-generated grub.cfg, rebooted, and sddm failed.
But the nvidia-smi command shows that sddm-greeter and xorg is loaded into GPU memory.

# nvidia-smi
Thu Jan 12 21:47:47 2023       
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 525.78.01    Driver Version: 525.78.01    CUDA Version: 12.0     |
|-------------------------------+----------------------+----------------------+
| GPU  Name        Persistence-M| Bus-Id        Disp.A | Volatile Uncorr. ECC |
| Fan  Temp  Perf  Pwr:Usage/Cap|         Memory-Usage | GPU-Util  Compute M. |
|                               |                      |               MIG M. |
|===============================+======================+======================|
|   0  NVIDIA GeForce ...  Off  | 00000000:01:00.0 Off |                  N/A |
| N/A   49C    P8    N/A / 115W |     32MiB /  8192MiB |      0%      Default |
|                               |                      |                  N/A |
+-------------------------------+----------------------+----------------------+
+-----------------------------------------------------------------------------+
| Processes:                                                                  |
|  GPU   GI   CI        PID   Type   Process name                  GPU Memory |
|        ID   ID                                                   Usage      |
|=============================================================================|
|    0   N/A  N/A      6073      G   /usr/lib/Xorg                       8MiB |  <---- see here
|    0   N/A  N/A      6094      G   /usr/bin/sddm-greeter              21MiB |  <--|
+-----------------------------------------------------------------------------+

Here's my hardware info, I use a laptop with intel 12700H and GeForce 3070 Mobile. The sections related to graphic cards in lspci -nnk:

0000:00:02.0 VGA compatible controller [0300]: Intel Corporation Alder Lake-P Integrated Graphics Controller [8086:46a6] (rev 0c)
	DeviceName: Onboard - Video
	Subsystem: ASUSTeK Computer Inc. Device [1043:133d]
	Kernel driver in use: i915
	Kernel modules: i915
0000:01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GA104M [GeForce RTX 3070 Mobile / Max-Q] [10de:249d] (rev a1)
	Subsystem: ASUSTeK Computer Inc. Device [1043:133d]
	Kernel driver in use: nvidia
	Kernel modules: nouveau, nvidia_drm, nvidia

packages related to graphic drivers (xf86-video-intel is not installed):

# pacman -Q | grep -E 'nvidia|intel|vulkan|mesa'
intel-ucode 20221108-1
lib32-mesa 22.3.2-2
lib32-nvidia-utils 525.78.01-1
lib32-opencl-nvidia 525.78.01-1
lib32-vulkan-icd-loader 1.3.235-1
libva-intel-driver 2.4.1-2
mesa 22.3.2-3
nvidia-dkms 525.78.01-1
nvidia-prime 1.0-4
nvidia-settings 525.78.01-1
nvidia-utils 525.78.01-1
opencl-nvidia 525.78.01-1
vulkan-icd-loader 1.3.235-1
vulkan-intel 22.3.2-3

the config file /etc/X11/xorg.conf generated by nvidia-xconfig:

# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig:  version 525.78.01

Section "ServerLayout"
    Identifier     "Layout0"
    Screen      0  "Screen0"
    InputDevice    "Keyboard0" "CoreKeyboard"
    InputDevice    "Mouse0" "CorePointer"
EndSection

Section "Files"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Mouse0"
    Driver         "mouse"
    Option         "Protocol" "auto"
    Option         "Device" "/dev/psaux"
    Option         "Emulate3Buttons" "no"
    Option         "ZAxisMapping" "4 5"
EndSection

Section "InputDevice"
    # generated from default
    Identifier     "Keyboard0"
    Driver         "kbd"
EndSection

Section "Monitor"
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Unknown"
    Option         "DPMS"
EndSection

Section "Device"
    Identifier     "Device0"
    Driver         "nvidia"
    VendorName     "NVIDIA Corporation"
    BusID          "PCI:1:0:0"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "Device0"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

The complete output of lspci -nnk

# lspci -nnk
0000:00:00.0 Host bridge [0600]: Intel Corporation 12th Gen Core Processor Host Bridge/DRAM Registers [8086:4641] (rev 02)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: igen6_edac
	Kernel modules: igen6_edac
0000:00:01.0 PCI bridge [0604]: Intel Corporation 12th Gen Core Processor PCI Express x16 Controller #1 [8086:460d] (rev 02)
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: pcieport
0000:00:02.0 VGA compatible controller [0300]: Intel Corporation Alder Lake-P Integrated Graphics Controller [8086:46a6] (rev 0c)
	DeviceName: Onboard - Video
	Subsystem: ASUSTeK Computer Inc. Device [1043:133d]
	Kernel driver in use: i915
	Kernel modules: i915
0000:00:04.0 Signal processing controller [1180]: Intel Corporation Alder Lake Innovation Platform Framework Processor Participant [8086:461d] (rev 02)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: proc_thermal_pci
	Kernel modules: processor_thermal_device_pci
0000:00:06.0 System peripheral [0880]: Intel Corporation RST VMD Managed Controller [8086:09ab]
	DeviceName: Onboard - Other
0000:00:07.0 PCI bridge [0604]: Intel Corporation Alder Lake-P Thunderbolt 4 PCI Express Root Port #0 [8086:466e] (rev 02)
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: pcieport
0000:00:08.0 System peripheral [0880]: Intel Corporation 12th Gen Core Processor Gaussian & Neural Accelerator [8086:464f] (rev 02)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
0000:00:0a.0 Signal processing controller [1180]: Intel Corporation Platform Monitoring Technology [8086:467d] (rev 01)
	DeviceName: Onboard - Other
	Kernel driver in use: intel_vsec
	Kernel modules: intel_vsec
0000:00:0d.0 USB controller [0c03]: Intel Corporation Alder Lake-P Thunderbolt 4 USB Controller [8086:461e] (rev 02)
	DeviceName: Onboard - Other
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci
0000:00:0d.2 USB controller [0c03]: Intel Corporation Alder Lake-P Thunderbolt 4 NHI #0 [8086:463e] (rev 02)
	DeviceName: Onboard - Other
	Subsystem: Device [2222:1111]
	Kernel driver in use: thunderbolt
	Kernel modules: thunderbolt
0000:00:0e.0 RAID bus controller [0104]: Intel Corporation Volume Management Device NVMe RAID Controller [8086:467f]
	DeviceName: Onboard - Other
	Subsystem: Intel Corporation Device [8086:0000]
	Kernel driver in use: vmd
	Kernel modules: vmd
0000:00:14.0 USB controller [0c03]: Intel Corporation Alder Lake PCH USB 3.2 xHCI Host Controller [8086:51ed] (rev 01)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:201f]
	Kernel driver in use: xhci_hcd
	Kernel modules: xhci_pci
0000:00:14.2 RAM memory [0500]: Intel Corporation Alder Lake PCH Shared SRAM [8086:51ef] (rev 01)
	DeviceName: Onboard - Other
0000:00:14.3 Network controller [0280]: Intel Corporation Alder Lake-P PCH CNVi WiFi [8086:51f0] (rev 01)
	DeviceName: Onboard - Ethernet
	Subsystem: Intel Corporation Wi-Fi 6 AX201 160MHz [8086:0074]
	Kernel driver in use: iwlwifi
	Kernel modules: iwlwifi
0000:00:15.0 Serial bus controller [0c80]: Intel Corporation Alder Lake PCH Serial IO I2C Controller #0 [8086:51e8] (rev 01)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci
0000:00:15.2 Serial bus controller [0c80]: Intel Corporation Alder Lake PCH Serial IO I2C Controller #2 [8086:51ea] (rev 01)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: intel-lpss
	Kernel modules: intel_lpss_pci
0000:00:16.0 Communication controller [0780]: Intel Corporation Alder Lake PCH HECI Controller [8086:51e0] (rev 01)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: mei_me
	Kernel modules: mei_me
0000:00:1f.0 ISA bridge [0601]: Intel Corporation Alder Lake PCH eSPI Controller [8086:5182] (rev 01)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
0000:00:1f.3 Audio device [0403]: Intel Corporation Alder Lake PCH-P High Definition Audio Controller [8086:51c8] (rev 01)
	DeviceName: Onboard - Sound
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel, snd_sof_pci_intel_tgl
0000:00:1f.4 SMBus [0c05]: Intel Corporation Alder Lake PCH-P SMBus Host Controller [8086:51a3] (rev 01)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: i801_smbus
	Kernel modules: i2c_i801
0000:00:1f.5 Serial bus controller [0c80]: Intel Corporation Alder Lake-P PCH SPI Controller [8086:51a4] (rev 01)
	DeviceName: Onboard - Other
	Subsystem: ASUSTeK Computer Inc. Device [1043:1cf2]
	Kernel driver in use: intel-spi
	Kernel modules: spi_intel_pci
0000:00:1f.6 Ethernet controller [0200]: Intel Corporation Ethernet Connection (16) I219-LM [8086:1a1e] (rev 01)
	DeviceName: Onboard - Ethernet
	Subsystem: ASUSTeK Computer Inc. Device [1043:204f]
	Kernel driver in use: e1000e
	Kernel modules: e1000e
0000:01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GA104M [GeForce RTX 3070 Mobile / Max-Q] [10de:249d] (rev a1)
	Subsystem: ASUSTeK Computer Inc. Device [1043:133d]
	Kernel driver in use: nvidia
	Kernel modules: nouveau, nvidia_drm, nvidia
0000:01:00.1 Audio device [0403]: NVIDIA Corporation GA104 High Definition Audio Controller [10de:228b] (rev a1)
	Subsystem: ASUSTeK Computer Inc. Device [1043:133d]
	Kernel driver in use: snd_hda_intel
	Kernel modules: snd_hda_intel
10000:e0:06.0 PCI bridge [0604]: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #0 [8086:464d] (rev 02)
	Kernel driver in use: pcieport
10000:e0:06.2 PCI bridge [0604]: Intel Corporation 12th Gen Core Processor PCI Express x4 Controller #2 [8086:463d] (rev 02)
	Kernel driver in use: pcieport
10000:e1:00.0 Non-Volatile memory controller [0108]: Micron Technology Inc Device [1344:5407]
	Subsystem: Micron Technology Inc Device [1344:0100]
	Kernel driver in use: nvme
	Kernel modules: nvme
10000:e2:00.0 Non-Volatile memory controller [0108]: Sandisk Corp Device [15b7:5019] (rev 01)
	Subsystem: Sandisk Corp Device [15b7:5019]
	Kernel driver in use: nvme
	Kernel modules: nvme

Last edited by FrozenArcher (2023-01-12 14:45:41)

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#2 2023-01-12 14:24:19

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 25,296

Re: [SOLVED]sddm fails to start despite nvidia driver is installed

Remove the xorg.conf, just running nvidia-xconfig blindly will not generate a valid xorg conf on optimus/hybrid GPU setups and it is also simply not necessary in the majority of cases. See https://wiki.archlinux.org/title/PRIME# … er_offload

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#3 2023-01-12 14:26:36

seth
Member
From: Won't reply 2 private help req
Registered: 2012-09-03
Posts: 77,153

Re: [SOLVED]sddm fails to start despite nvidia driver is installed

the config file /etc/X11/xorg.conf generated by nvidia-xconfig:

Get rid of that.

& intel modesetting driver

There is no "intel modesetting driver", the modesetting driver is generic.

If removing the /etc/X11/xorg.conf (whatever is your end goal here: this approach *cannot* work) doesn't get you where you want, post the xorg log and elaborate on your desired config.

Edit: fuck.

Last edited by seth (2023-01-12 14:26:54)

How to upload text · How to boot w/o GUI · Disable Windows Fast-Start! · Fix your xinitrc

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#4 2023-01-12 14:40:23

FrozenArcher
Member
From: Hangzhou
Registered: 2022-03-31
Posts: 16

Re: [SOLVED]sddm fails to start despite nvidia driver is installed

Thanks, after removing xorg.conf, xorg started correctly.

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