TL;DR: bbswitch不要和任何版本的suse-prime一起用
modprobe nvidia -vv
modprobe: INFO: custom logging function 0x5627f17b91a0 registered
install PATH=$PATH:/bin:/usr/bin; if /sbin/modprobe --ignore-install nvidia; then if /sbin/modprobe nvidia_uvm; then if [ ! -c /dev/nvidia-uvm ]; then mknod -m 660 /dev/nvidia-uvm c $(cat /proc/devices | while read major device; do if [ "$device" == "nvidia-uvm" ]; then echo $major; break; fi ; done) 0; chown :video /dev/nvidia-uvm; fi; fi; if [ ! -c /dev/nvidiactl ]; then mknod -m 660 /dev/nvidiactl c 195 255; chown :video /dev/nvidiactl; fi; devid=-1; for dev in $(ls -d /sys/bus/pci/devices/*); do vendorid=$(cat $dev/vendor); if [ "$vendorid" == "0x10de" ]; then class=$(cat $dev/class); classid=${class%%00}; if [ "$classid" == "0x0300" -o "$classid" == "0x0302" ]; then devid=$((devid+1)); if [ ! -c /dev/nvidia${devid} ]; then mknod -m 660 /dev/nvidia${devid} c 195 ${devid}; chown :video /dev/nvidia${devid}; fi; fi; fi; done; /sbin/modprobe nvidia_drm; if [ ! -c /dev/nvidia-modeset ]; then mknod -m 660 /dev/nvidia-modeset c 195 254; chown :video /dev/nvidia-modeset; fi; fi NVreg_DynamicPowerManagement=0x02 NVreg_DeviceFileUID=0 NVreg_DeviceFileGID=482 NVreg_DeviceFileMode=0660
modprobe: INFO: custom logging function 0x561d852b61a0 registered
insmod /lib/modules/5.3.6-1-default/updates/nvidia.ko NVreg_DynamicPowerManagement=0x02 NVreg_DeviceFileUID=0 NVreg_DeviceFileGID=482 NVreg_DeviceFileMode=0660
modprobe: INFO: Failed to insert module '/lib/modules/5.3.6-1-default/updates/nvidia.ko': No such device
modprobe: ERROR: could not insert 'nvidia': No such device
modprobe: INFO: context 0x561d86963440 released
modprobe: INFO: context 0x5627f2d586f0 released
dmesg | grep NVRM：
# dmesg | grep NVRM
[ 6.620628] NVRM: This is a 64-bit BAR mapped above 4GB by the system
NVRM: BIOS or the Linux kernel, but the PCI bridge
NVRM: immediately upstream of this GPU does not define
NVRM: a matching prefetchable memory window.
[ 6.620629] NVRM: This may be due to a known Linux kernel bug. Please
NVRM: see the README section on 64-bit BARs for additional
NVRM: information.
[ 6.620652] NVRM: The NVIDIA probe routine failed for 1 device(s).
[ 6.620653] NVRM: None of the NVIDIA devices were initialized.
[ 7.162464] NVRM: This is a 64-bit BAR mapped above 4GB by the system
NVRM: BIOS or the Linux kernel, but the PCI bridge
NVRM: immediately upstream of this GPU does not define
NVRM: a matching prefetchable memory window.
[ 7.162465] NVRM: This may be due to a known Linux kernel bug. Please
NVRM: see the README section on 64-bit BARs for additional
NVRM: information.
[ 7.162478] NVRM: The NVIDIA probe routine failed for 1 device(s).
[ 7.162479] NVRM: None of the NVIDIA devices were initialized.
[ 1118.945279] NVRM: This is a 64-bit BAR mapped above 4GB by the system
NVRM: BIOS or the Linux kernel, but the PCI bridge
NVRM: immediately upstream of this GPU does not define
NVRM: a matching prefetchable memory window.
[ 1118.945279] NVRM: This may be due to a known Linux kernel bug. Please
NVRM: see the README section on 64-bit BARs for additional
NVRM: information.
[ 1118.945289] NVRM: The NVIDIA probe routine failed for 1 device(s).
[ 1118.945290] NVRM: None of the NVIDIA devices were initialized.
[ 1532.890319] NVRM: This is a 64-bit BAR mapped above 4GB by the system
NVRM: BIOS or the Linux kernel, but the PCI bridge
NVRM: immediately upstream of this GPU does not define
NVRM: a matching prefetchable memory window.
[ 1532.890320] NVRM: This may be due to a known Linux kernel bug. Please
NVRM: see the README section on 64-bit BARs for additional
NVRM: information.
[ 1532.890338] NVRM: The NVIDIA probe routine failed for 1 device(s).
[ 1532.890338] NVRM: None of the NVIDIA devices were initialized.
dmesg | grep nvidia：
# dmesg | grep nvidia
[ 5.837812] audit: type=1400 audit(1572059645.600:6): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe" pid=593 comm="apparmor_parser"
[ 5.837813] audit: type=1400 audit(1572059645.600:7): apparmor="STATUS" operation="profile_load" profile="unconfined" name="nvidia_modprobe//kmod" pid=593 comm="apparmor_parser"
[ 6.302809] nvidia: module license 'NVIDIA' taints kernel.
[ 6.321638] nvidia: module verification failed: signature and/or required key missing - tainting kernel
[ 6.332582] nvidia-nvlink: Nvlink Core is being initialized, major device number 240
[ 6.620515] nvidia 0000:01:00.0: Refused to change power state, currently in D3
[ 6.620636] nvidia: probe of 0000:01:00.0 failed with error -1
[ 6.620815] nvidia-nvlink: Unregistered the Nvlink Core, major device number 240
[ 7.035085] nvidia_modeset: Unknown symbol nvidia_register_module (err -2)
[ 7.035128] nvidia_modeset: Unknown symbol nvidia_get_rm_ops (err -2)
[ 7.035178] nvidia_modeset: Unknown symbol nvidia_unregister_module (err -2)
[ 7.158457] nvidia-nvlink: Nvlink Core is being initialized, major device number 240
[ 7.162468] nvidia: probe of 0000:01:00.0 failed with error -1
[ 7.163679] nvidia-nvlink: Unregistered the Nvlink Core, major device number 240
[ 1118.945081] nvidia-nvlink: Nvlink Core is being initialized, major device number 239
[ 1118.945282] nvidia: probe of 0000:01:00.0 failed with error -1
[ 1118.945433] nvidia-nvlink: Unregistered the Nvlink Core, major device number 239
[ 1532.889944] nvidia-nvlink: Nvlink Core is being initialized, major device number 239
[ 1532.890323] nvidia: probe of 0000:01:00.0 failed with error -1
[ 1532.890614] nvidia-nvlink: Unregistered the Nvlink Core, major device number 239
如上，加载不了nvidia驱动。
系统是tw20191023，nvidia驱动是今天新装的