I just removed 440xx-latest and cuda with pacman. Then I used the Manjaro Settings Manager to remove the 440 driver and installed 450. Then I installed cuda again.
After rebooting I opened up the NVIDIA X Server Settings and noticed that my second GPU isn’t showing up any more.
How do I get it to show up? Thanks.
Did you kept your old configuration from /etc/X11/mhwd.d/nvidia.conf or do you have a backup of it?
Is that second GPU supported by the 450xx driver?
Can you provide:
inxi -Fxza --no-host
lspci -nn
Have you tried to boot with nomodeset option?
current nvidia.conf
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 450.66
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"
Option "NoLogo" "1"
EndSection
Section "Screen"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Extensions"
Option "COMPOSITE" "Enable"
EndSection
Section "InputClass"
Identifier "Keyboard Defaults"
MatchIsKeyboard "yes"
Option "XkbOptions" "terminate:ctrl_alt_bksp"
EndSection
I do have a backup dated March 13
# nvidia-settings: X configuration file generated by nvidia-settings
# nvidia-settings: version 440.59
# nvidia-xconfig: X configuration file generated by nvidia-xconfig
# nvidia-xconfig: version 440.59
Section "ServerLayout"
Identifier "Layout0"
Screen 0 "Screen0" 0 0
InputDevice "Keyboard0" "CoreKeyboard"
InputDevice "Mouse0" "CorePointer"
Option "Xinerama" "0"
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 "InputClass"
Identifier "Keyboard Defaults"
MatchIsKeyboard "yes"
Option "XkbOptions" "terminate:ctrl_alt_bksp"
EndSection
Section "Monitor"
Identifier "Monitor0"
VendorName "Unknown"
ModelName "LG Electronics LG Ultra HD"
HorizSync 30.0 - 135.0
VertRefresh 56.0 - 61.0
Option "DPMS"
EndSection
Section "Device"
Identifier "Device0"
Driver "nvidia"
VendorName "NVIDIA Corporation"
BoardName "GeForce GTX 970"
Option "NoLogo" "1"
BusID "PCI:1:0:0"
EndSection
Section "Screen"
# Removed Option "metamodes" "nvidia-auto-select +0+0 {ForceCompositionPipeline=On, ForceFullCompositionPipeline=On}"
Identifier "Screen0"
Device "Device0"
Monitor "Monitor0"
DefaultDepth 24
Option "Stereo" "0"
Option "nvidiaXineramaInfoOrder" "DFP-6"
Option "metamodes" "nvidia-auto-select +0+0 {ForceCompositionPipeline=On}"
Option "SLI" "Off"
Option "MultiGPU" "Off"
Option "BaseMosaic" "off"
SubSection "Display"
Depth 24
EndSubSection
EndSection
Section "Extensions"
Option "COMPOSITE" "Enable"
EndSection
Yes, they are both the same.
inxi -Fxza --no-host
System:
Kernel: 5.8.6-1-MANJARO x86_64 bits: 64 compiler: N/A
parameters: BOOT_IMAGE=/boot/vmlinuz-5.8-x86_64
root=UUID=d92b91e2-c6be-4cec-bf53-58e6aaa68100 rw quiet nomodeset
intel_iommu=on rd.driver.pre=vfio-pci kvm.ignore_msrs=1 apparmor=1
security=apparmor udev.log_priority=3
Desktop: GNOME 3.36.5 tk: GTK 3.24.23 wm: gnome-shell dm: GDM 3.36.3
Distro: Manjaro Linux
Machine:
Type: Desktop System: ASUS product: All Series v: N/A serial: <filter>
Mobo: ASUSTeK model: X99-DELUXE v: Rev 1.xx serial: <filter>
UEFI [Legacy]: American Megatrends v: 2101 date: 11/26/2015
CPU:
Topology: 6-Core model: Intel Core i7-5820K bits: 64 type: MT MCP
arch: Haswell family: 6 model-id: 3F (63) stepping: 2 microcode: 43
L2 cache: 15.0 MiB
flags: avx avx2 lm nx pae sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx
bogomips: 79225
Speed: 1961 MHz min/max: 1200/4200 MHz Core speeds (MHz): 1: 3112 2: 1201
3: 3302 4: 1200 5: 1200 6: 1198 7: 1239 8: 1200 9: 1607 10: 1201 11: 1201
12: 1200
Vulnerabilities: Type: itlb_multihit status: KVM: VMX disabled
Type: l1tf
mitigation: PTE Inversion; VMX: conditional cache flushes, SMT vulnerable
Type: mds mitigation: Clear CPU buffers; SMT vulnerable
Type: meltdown mitigation: PTI
Type: spec_store_bypass
mitigation: Speculative Store Bypass disabled via prctl and seccomp
Type: spectre_v1
mitigation: usercopy/swapgs barriers and __user pointer sanitization
Type: spectre_v2 mitigation: Full generic retpoline, IBPB: conditional,
IBRS_FW, STIBP: conditional, RSB filling
Type: srbds status: Not affected
Type: tsx_async_abort status: Not affected
Graphics:
Device-1: NVIDIA GM204 [GeForce GTX 970] vendor: eVga.com. driver: nvidia
v: 450.66 alternate: nouveau,nvidia_drm bus ID: 01:00.0 chip ID: 10de:13c2
Device-2: NVIDIA GM204 [GeForce GTX 970] vendor: eVga.com.
driver: vfio-pci v: 0.2 alternate: nouveau,nvidia_drm,nvidia
bus ID: 03:00.0 chip ID: 10de:13c2
Display: x11 server: X.Org 1.20.8 compositor: gnome-shell driver: nvidia
display ID: :0 screens: 1
Screen-1: 0 s-res: 3840x2160 s-dpi: 96 s-size: 1016x572mm (40.0x22.5")
s-diag: 1166mm (45.9")
Monitor-1: DP-4 res: 3840x2160 hz: 60 dpi: 163
size: 600x340mm (23.6x13.4") diag: 690mm (27.2")
OpenGL: renderer: GeForce GTX 970/PCIe/SSE2 v: 4.6.0 NVIDIA 450.66
direct render: Yes
Audio:
Device-1: Intel C610/X99 series HD Audio vendor: ASUSTeK
driver: snd_hda_intel v: kernel bus ID: 00:1b.0 chip ID: 8086:8d20
Device-2: NVIDIA GM204 High Definition Audio vendor: eVga.com.
driver: snd_hda_intel v: kernel bus ID: 01:00.1 chip ID: 10de:0fbb
Device-3: NVIDIA GM204 High Definition Audio vendor: eVga.com.
driver: vfio-pci v: 0.2 alternate: snd_hda_intel bus ID: 03:00.1
chip ID: 10de:0fbb
Device-4: KORG nanoKONTROL2 MIDI Controller type: USB
driver: snd-usb-audio bus ID: 2-7:3 chip ID: 0944:0117
Sound Server: ALSA v: k5.8.6-1-MANJARO
Network:
Device-1: Intel Ethernet I218-V vendor: ASUSTeK driver: e1000e v: 3.2.6-k
port: f020 bus ID: 00:19.0 chip ID: 8086:15a1
IF: eno1 state: down mac: <filter>
Device-2: Intel I211 Gigabit Network vendor: ASUSTeK driver: igb
v: 5.6.0-k port: c000 bus ID: 09:00.0 chip ID: 8086:1539
IF: enp9s0 state: up speed: 100 Mbps duplex: full mac: <filter>
Device-3: Broadcom and subsidiaries BCM4360 802.11ac Wireless Network
Adapter
vendor: ASUSTeK driver: wl v: kernel modules: bcma port: c000
bus ID: 0a:00.0 chip ID: 14e4:43a0
IF: wlp10s0 state: down mac: <filter>
Device-4: Microsoft Xbox 360 Wireless Adapter type: USB driver: xpad
bus ID: 2-9.2:10 chip ID: 045e:0719 serial: <filter>
Drives:
Local Storage: total: 47.30 TiB used: 29.83 TiB (63.1%)
SMART Message: Unable to run smartctl. Root privileges required.
ID-1: /dev/sda vendor: Seagate model: ST8000AS0002-1NA17Z size: 7.28 TiB
block size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
rotation: 5980 rpm serial: <filter> rev: AR13 scheme: GPT
ID-2: /dev/sdb vendor: Western Digital model: WD40EZRX-00SPEB0
size: 3.64 TiB block size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
rotation: 5400 rpm serial: <filter> rev: 0A80 scheme: GPT
ID-3: /dev/sdc vendor: Samsung model: SSD 850 EVO 500GB size: 465.76 GiB
block size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
serial: <filter> rev: 1B6Q scheme: GPT
ID-4: /dev/sdd vendor: Seagate model: ST8000AS0002-1NA17Z size: 7.28 TiB
block size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
rotation: 5980 rpm serial: <filter> rev: AR17 scheme: GPT
ID-5: /dev/sde vendor: Western Digital model: WD60EFRX-68MYMN1
size: 5.46 TiB block size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
rotation: 5700 rpm serial: <filter> rev: 0A82
ID-6: /dev/sdf vendor: Western Digital model: WD60EFRX-68MYMN1
size: 5.46 TiB block size: physical: 4096 B logical: 512 B speed: 6.0 Gb/s
rotation: 5700 rpm serial: <filter> rev: 0A82
ID-7: /dev/sdg vendor: Samsung model: MZHPV256HDGL-00000 size: 238.47 GiB
block size: physical: 512 B logical: 512 B speed: 6.0 Gb/s
serial: <filter> rev: 500Q scheme: GPT
ID-8: /dev/sdh type: USB vendor: Seagate model: Desktop size: 7.28 TiB
block size: physical: 4096 B logical: 512 B serial: <filter> rev: 040B
scheme: GPT
ID-9: /dev/sdn type: USB vendor: Crucial model: CT240BX500SSD1
size: 223.57 GiB block size: physical: 512 B logical: 512 B
serial: <filter> scheme: GPT
ID-10: /dev/sdo type: USB vendor: Western Digital model: WD30EZRX-00DC0B0
size: 2.73 TiB block size: physical: 4096 B logical: 512 B
serial: <filter> scheme: GPT
ID-11: /dev/sdp type: USB vendor: Seagate model: Backup+ Hub BK
size: 7.28 TiB block size: physical: 4096 B logical: 512 B
serial: <filter> rev: D781 scheme: GPT
RAID:
Hardware-1: Intel SATA Controller [RAID mode] driver: ahci v: 3.0
port: f000 bus ID: 00:1f.2 chip ID: 8086.2822 rev: 05
Supported md-raid types: raid1
Device-1: md126 type: mdraid status: active Components:
online: sde~c1 sdf~c0
Info: raid: mirror blocks: 5860520323 report: 2/2 UU chunk size: N/A
Device-2: md127 type: mdraid status: inactive Components: online: N/A
spare: sdf~c0
Info: raid: sde[1](S) blocks: 4272 report: N/A chunk size: N/A
Partition:
ID-1: / raw size: 112.02 GiB size: 109.75 GiB (97.98%)
used: 34.85 GiB (31.8%) fs: ext4 dev: /dev/sdn1
ID-2: /home raw size: 111.54 GiB size: 108.79 GiB (97.53%)
used: 43.75 GiB (40.2%) fs: ext4 dev: /dev/sdn3
Swap:
Alert: No Swap data was found.
Sensors:
System Temperatures: cpu: 52.0 C mobo: N/A gpu: nvidia temp: 61 C
Fan Speeds (RPM): N/A gpu: nvidia fan: 6%
Info:
Processes: 376 Uptime: 3m Memory: 31.26 GiB used: 2.21 GiB (7.1%)
Init: systemd v: 246 Compilers: gcc: 10.2.0 alt: 9 clang: 10.0.1 Packages:
pacman: 2012 lib: 496 flatpak: 0 Shell: Bash v: 5.0.18
running in: gnome-terminal inxi: 3.1.05
lspci -nn
00:00.0 Host bridge [0600]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DMI2 [8086:2f00] (rev 02)
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 1 [8086:2f02] (rev 02)
00:01.1 PCI bridge [0604]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 1 [8086:2f03] (rev 02)
00:02.0 PCI bridge [0604]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 [8086:2f04] (rev 02)
00:02.2 PCI bridge [0604]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 2 [8086:2f06] (rev 02)
00:03.0 PCI bridge [0604]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCI Express Root Port 3 [8086:2f08] (rev 02)
00:05.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Address Map, VTd_Misc, System Management [8086:2f28] (rev 02)
00:05.1 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Hot Plug [8086:2f29] (rev 02)
00:05.2 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 RAS, Control Status and Global Errors [8086:2f2a] (rev 02)
00:05.4 PIC [0800]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 I/O APIC [8086:2f2c] (rev 02)
00:11.0 Unassigned class [ff00]: Intel Corporation C610/X99 series chipset SPSR [8086:8d7c] (rev 05)
00:11.4 SATA controller [0106]: Intel Corporation C610/X99 series chipset sSATA Controller [AHCI mode] [8086:8d62] (rev 05)
00:14.0 USB controller [0c03]: Intel Corporation C610/X99 series chipset USB xHCI Host Controller [8086:8d31] (rev 05)
00:16.0 Communication controller [0780]: Intel Corporation C610/X99 series chipset MEI Controller #1 [8086:8d3a] (rev 05)
00:19.0 Ethernet controller [0200]: Intel Corporation Ethernet Connection (2) I218-V [8086:15a1] (rev 05)
00:1a.0 USB controller [0c03]: Intel Corporation C610/X99 series chipset USB Enhanced Host Controller #2 [8086:8d2d] (rev 05)
00:1b.0 Audio device [0403]: Intel Corporation C610/X99 series chipset HD Audio Controller [8086:8d20] (rev 05)
00:1c.0 PCI bridge [0604]: Intel Corporation C610/X99 series chipset PCI Express Root Port #1 [8086:8d10] (rev d5)
00:1c.3 PCI bridge [0604]: Intel Corporation C610/X99 series chipset PCI Express Root Port #4 [8086:8d16] (rev d5)
00:1c.4 PCI bridge [0604]: Intel Corporation C610/X99 series chipset PCI Express Root Port #5 [8086:8d18] (rev d5)
00:1c.6 PCI bridge [0604]: Intel Corporation C610/X99 series chipset PCI Express Root Port #7 [8086:8d1c] (rev d5)
00:1d.0 USB controller [0c03]: Intel Corporation C610/X99 series chipset USB Enhanced Host Controller #1 [8086:8d26] (rev 05)
00:1f.0 ISA bridge [0601]: Intel Corporation C610/X99 series chipset LPC Controller [8086:8d47] (rev 05)
00:1f.2 RAID bus controller [0104]: Intel Corporation SATA Controller [RAID mode] [8086:2822] (rev 05)
00:1f.3 SMBus [0c05]: Intel Corporation C610/X99 series chipset SMBus Controller [8086:8d22] (rev 05)
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM204 [GeForce GTX 970] [10de:13c2] (rev a1)
01:00.1 Audio device [0403]: NVIDIA Corporation GM204 High Definition Audio Controller [10de:0fbb] (rev a1)
03:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM204 [GeForce GTX 970] [10de:13c2] (rev a1)
03:00.1 Audio device [0403]: NVIDIA Corporation GM204 High Definition Audio Controller [10de:0fbb] (rev a1)
05:00.0 SATA controller [0106]: Samsung Electronics Co Ltd Device [144d:a801] (rev 01)
07:00.0 PCI bridge [0604]: ASMedia Technology Inc. Device [1b21:118f]
08:01.0 PCI bridge [0604]: ASMedia Technology Inc. Device [1b21:118f]
08:02.0 PCI bridge [0604]: ASMedia Technology Inc. Device [1b21:118f]
08:03.0 PCI bridge [0604]: ASMedia Technology Inc. Device [1b21:118f]
08:04.0 PCI bridge [0604]: ASMedia Technology Inc. Device [1b21:118f]
09:00.0 Ethernet controller [0200]: Intel Corporation I211 Gigabit Network Connection [8086:1539] (rev 03)
0a:00.0 Network controller [0280]: Broadcom Inc. and subsidiaries BCM4360 802.11ac Wireless Network Adapter [14e4:43a0] (rev 03)
0b:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1142 USB 3.1 Host Controller [1b21:1242]
0d:00.0 SATA controller [0106]: ASMedia Technology Inc. ASM1062 Serial ATA Controller [1b21:0612] (rev 02)
0e:00.0 USB controller [0c03]: ASMedia Technology Inc. ASM1042A USB 3.0 Host Controller [1b21:1142]
ff:0b.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring [8086:2f81] (rev 02)
ff:0b.1 Performance counters [1101]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring [8086:2f36] (rev 02)
ff:0b.2 Performance counters [1101]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 R3 QPI Link 0 & 1 Monitoring [8086:2f37] (rev 02)
ff:0c.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers [8086:2fe0] (rev 02)
ff:0c.1 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers [8086:2fe1] (rev 02)
ff:0c.2 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers [8086:2fe2] (rev 02)
ff:0c.3 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers [8086:2fe3] (rev 02)
ff:0c.4 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers [8086:2fe4] (rev 02)
ff:0c.5 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Unicast Registers [8086:2fe5] (rev 02)
ff:0f.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Buffered Ring Agent [8086:2ff8] (rev 02)
ff:0f.1 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Buffered Ring Agent [8086:2ff9] (rev 02)
ff:0f.4 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 System Address Decoder & Broadcast Registers [8086:2ffc] (rev 02)
ff:0f.5 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 System Address Decoder & Broadcast Registers [8086:2ffd] (rev 02)
ff:0f.6 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 System Address Decoder & Broadcast Registers [8086:2ffe] (rev 02)
ff:10.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCIe Ring Interface [8086:2f1d] (rev 02)
ff:10.1 Performance counters [1101]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 PCIe Ring Interface [8086:2f34] (rev 02)
ff:10.5 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Scratchpad & Semaphore Registers [8086:2f1e] (rev 02)
ff:10.6 Performance counters [1101]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Scratchpad & Semaphore Registers [8086:2f7d] (rev 02)
ff:10.7 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Scratchpad & Semaphore Registers [8086:2f1f] (rev 02)
ff:12.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Home Agent 0 [8086:2fa0] (rev 02)
ff:12.1 Performance counters [1101]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Home Agent 0 [8086:2f30] (rev 02)
ff:13.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Target Address, Thermal & RAS Registers [8086... (rev 02)
ff:13.1 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Target Address, Thermal & RAS Registers [8086... (rev 02)
ff:13.2 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder [8086:2faa] (rev 02)
ff:13.3 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder [8086:2fab] (rev 02)
ff:13.4 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder [8086:2fac] (rev 02)
ff:13.5 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel Target Address Decoder [8086:2fad] (rev 02)
ff:13.6 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO Channel 0/1 Broadcast [8086:2fae] (rev 02)
ff:13.7 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO Global Broadcast [8086:2faf] (rev 02)
ff:14.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 0 Thermal Control [8086:2fb0] (rev 02)
ff:14.1 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 1 Thermal Control [8086:2fb1] (rev 02)
ff:14.2 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 0 ERROR Registers [8086:2fb2] (rev 02)
ff:14.3 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 1 ERROR Registers [8086:2fb3] (rev 02)
ff:14.6 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO (VMSE) 0 & 1 [8086:2fbe] (rev 02)
ff:14.7 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO (VMSE) 0 & 1 [8086:2fbf] (rev 02)
ff:15.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 2 Thermal Control [8086:2fb4] (rev 02)
ff:15.1 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 3 Thermal Control [8086:2fb5] (rev 02)
ff:15.2 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 2 ERROR Registers [8086:2fb6] (rev 02)
ff:15.3 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 0 Channel 3 ERROR Registers [8086:2fb7] (rev 02)
ff:16.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 1 Target Address, Thermal & RAS Registers [8086... (rev 02)
ff:16.6 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO Channel 2/3 Broadcast [8086:2f6e] (rev 02)
ff:16.7 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO Global Broadcast [8086:2f6f] (rev 02)
ff:17.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Integrated Memory Controller 1 Channel 0 Thermal Control [8086:2fd0] (rev 02)
ff:17.4 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 [8086:2fb8] (rev 02)
ff:17.5 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 [8086:2fb9] (rev 02)
ff:17.6 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 [8086:2fba] (rev 02)
ff:17.7 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 DDRIO (VMSE) 2 & 3 [8086:2fbb] (rev 02)
ff:1e.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Power Control Unit [8086:2f98] (rev 02)
ff:1e.1 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Power Control Unit [8086:2f99] (rev 02)
ff:1e.2 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Power Control Unit [8086:2f9a] (rev 02)
ff:1e.3 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Power Control Unit [8086:2fc0] (rev 02)
ff:1e.4 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 Power Control Unit [8086:2f9c] (rev 02)
ff:1f.0 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 VCU [8086:2f88] (rev 02)
ff:1f.2 System peripheral [0880]: Intel Corporation Xeon E7 v3/Xeon E5 v3/Core i7 VCU [8086:2f8a] (rev 02)
I just tried nomodeset, that didn’t make it show up
The GPU’s are the same, but your conf files are not the same at all 
Backup your current nvidia.conf and use the layout from your older backup, then reboot. I think it will work as is used to work.
Unfortunately it didn’t work.
I think that backup was from when I first installed Manjaro and before I got my driver situation sorted out by following about 20 different tutorials and then a combination of those got me to a point where it worked.
I just noticed that the driver of my second GPU says vfio-pci, which could mean that I broke it a while back when I tried to get GPU PCIe Passthrough to work, which I failed at.
Really have to investigate too the multiple GPU situation, as for now i can’t test, only read about it and take notes. But now my notes of notes have notes 
Well, you are half way trough and maybe you will remember what you did last time. And now as a small lesson, always keep that config somewhere else, at hand, for any case scenarios like this.
I was looking in the archived forum to see if you had something posted there, but nope, so you must have used different sources and fores for your research.
I guess the reason is that vfio-pci driver binds to the device. If you configure PCI passthrough, the device won’t be available to the host. So I guess that’s what you need to disable for this device.
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