Enabling nvidia card fails with [ 263.394167] pci 0000:01:00.0: can't change power state from D3cold to D0 (config space inaccessible) Dell Precision 7530 Linux odysseus3 5.5.1-1-default #1 SMP Tue Feb 4 06:56:24 UTC 2020 (1d61c83) x86_64 x86_64 x86_64 GNU/Linux Tumbleweed 20200209 odysseus3:~ # dmesg | grep -C 10 bbswitch [ 4.153457] systemd[1]: Listening on udev Control Socket. [ 4.153532] systemd[1]: Listening on udev Kernel Socket. [ 4.153545] systemd[1]: Reached target Sockets. [ 4.154379] systemd[1]: Started Entropy Daemon based on the HAVEGE algorithm. [ 4.155216] systemd[1]: Starting Create list of static device nodes for the current kernel... [ 4.156696] systemd[1]: Starting Journal Service... [ 4.157561] systemd[1]: Starting Load Kernel Modules... [ 4.158366] systemd[1]: Starting Setup Virtual Console... [ 4.159060] systemd[1]: Started Create list of static device nodes for the current kernel. [ 4.159752] systemd[1]: Starting Create Static Device Nodes in /dev... [ 4.163194] bbswitch: loading out-of-tree module taints kernel. [ 4.163366] bbswitch: version 0.8 [ 4.163371] bbswitch: Found integrated VGA device 0000:00:02.0: \_SB_.PCI0.GFX0 [ 4.163377] bbswitch: Found discrete VGA device 0000:01:00.0: \_SB_.PCI0.PEG0.PEGP [ 4.163391] ACPI Warning: \_SB.PCI0.PEG0.PEGP._DSM: Argument #4 type mismatch - Found [Buffer], ACPI requires [Package] (20191018/nsarguments-59) [ 4.163590] bbswitch: detected an Optimus _DSM function [ 4.163601] pci 0000:01:00.0: enabling device (0006 -> 0007) [ 4.163661] bbswitch: disabling discrete graphics [ 4.165043] systemd[1]: Started Create Static Device Nodes in /dev. [ 4.171132] systemd[1]: systemd-vconsole-setup.service: Succeeded. [ 4.171344] systemd[1]: Started Setup Virtual Console. [ 4.171891] systemd[1]: Starting dracut ask for additional cmdline parameters... [ 4.181753] systemd[1]: Started dracut ask for additional cmdline parameters. [ 4.182326] systemd[1]: Starting dracut cmdline hook... [ 4.214110] systemd[1]: Started dracut cmdline hook. [ 4.214671] systemd[1]: Starting dracut pre-udev hook... [ 4.232388] systemd[1]: Started dracut pre-udev hook. [ 4.233388] systemd[1]: Starting udev Kernel Device Manager... [ 4.328472] tsc: Refined TSC clocksource calibration: 2207.998 MHz [ 4.328476] clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x1fd3b6211b4, max_idle_ns: 440795230313 ns [ 4.328523] clocksource: Switched to clocksource tsc [ 4.376583] bbswitch: Succesfully loaded. Discrete card 0000:01:00.0 is off [ 4.377912] alua: device handler registered [ 4.378585] emc: device handler registered [ 4.379321] rdac: device handler registered [ 4.383215] systemd[1]: Started Journal Service. [ 4.387009] device-mapper: uevent: version 1.0.3 [ 4.387110] device-mapper: ioctl: 4.41.0-ioctl (2019-09-16) initialised: