使用Nvidia驱动程序时，显示器在挂起后没有图像发送给他们，因此nouveau驱动程序可以工作。运行Kubuntu 20.04。也许应该找到Nvidia支持/论坛？无论如何，如果您对我有任何想法，请在下面的我的系统上找到许多细节。
uname -r
5.4.0-31-generic
nvidia-smi
Sat May 23 21:35:42 2020
+-----------------------------------------------------------------------------+
| NVIDIA-SMI 440.64 Driver Version: 440.64 CUDA Version: 10.2 |
|-------------------------------+----------------------+----------------------+
| GPU Name Persistence-M| Bus-Id Disp.A | Volatile Uncorr. ECC |
| Fan Temp Perf Pwr:Usage/Cap| Memory-Usage | GPU-Util Compute M. |
|===============================+======================+======================|
| 0 GeForce GTX 960 Off | 00000000:01:00.0 On | N/A |
| 0% 48C P0 30W / 130W | 435MiB / 2000MiB | 17% Default |
+-------------------------------+----------------------+----------------------+
lspci -nnk
00:00.0 Host bridge [0600]: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0100] (rev 09)
Subsystem: Intel Corporation 2nd Generation Core Processor Family DRAM Controller [8086:0100]
Kernel driver in use: snb_uncore
00:01.0 PCI bridge [0604]: Intel Corporation Xeon E3-1200/2nd Generation Core Processor Family PCI Express Root Port [8086:0101] (rev 09)
Kernel driver in use: pcieport
00:16.0 Communication controller [0780]: Intel Corporation 6 Series/C200 Series Chipset Family MEI Controller #1 [8086:1c3a] (rev 04)
Subsystem: eVga.com. Corp. 6 Series/C200 Series Chipset Family MEI Controller [3842:1023]
Kernel driver in use: mei_me
Kernel modules: mei_me
00:1a.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #2 [8086:1c2d] (rev 05)
Subsystem: eVga.com. Corp. 6 Series/C200 Series Chipset Family USB Enhanced Host Controller [3842:1023]
Kernel driver in use: ehci-pci
00:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 05)
Subsystem: Realtek Semiconductor Co., Ltd. 6 Series/C200 Series Chipset Family High Definition Audio Controller [10ec:0889]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 1 [8086:1c10] (rev b5)
Kernel driver in use: pcieport
00:1c.1 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 2 [8086:1c12] (rev b5)
Kernel driver in use: pcieport
00:1c.2 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 3 [8086:1c14] (rev b5)
Kernel driver in use: pcieport
00:1c.3 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 4 [8086:1c16] (rev b5)
Kernel driver in use: pcieport
00:1c.4 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 5 [8086:1c18] (rev b5)
Kernel driver in use: pcieport
00:1c.5 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 6 [8086:1c1a] (rev b5)
Kernel driver in use: pcieport
00:1c.6 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 7 [8086:1c1c] (rev b5)
Kernel driver in use: pcieport
00:1c.7 PCI bridge [0604]: Intel Corporation 6 Series/C200 Series Chipset Family PCI Express Root Port 8 [8086:1c1e] (rev b5)
Kernel driver in use: pcieport
00:1d.0 USB controller [0c03]: Intel Corporation 6 Series/C200 Series Chipset Family USB Enhanced Host Controller #1 [8086:1c26] (rev 05)
Subsystem: eVga.com. Corp. 6 Series/C200 Series Chipset Family USB Enhanced Host Controller [3842:1023]
Kernel driver in use: ehci-pci
00:1f.0 ISA bridge [0601]: Intel Corporation Z68 Express Chipset LPC Controller [8086:1c44] (rev 05)
Subsystem: eVga.com. Corp. Z68 Express Chipset LPC Controller [3842:1023]
Kernel driver in use: lpc_ich
Kernel modules: lpc_ich
00:1f.2 SATA controller [0106]: Intel Corporation 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller [8086:1c02] (rev 05)
Subsystem: eVga.com. Corp. 6 Series/C200 Series Chipset Family 6 port Desktop SATA AHCI Controller [3842:1023]
Kernel driver in use: ahci
Kernel modules: ahci
00:1f.3 SMBus [0c05]: Intel Corporation 6 Series/C200 Series Chipset Family SMBus Controller [8086:1c22] (rev 05)
Subsystem: eVga.com. Corp. 6 Series/C200 Series Chipset Family SMBus Controller [3842:1023]
Kernel driver in use: i801_smbus
Kernel modules: i2c_i801
01:00.0 VGA compatible controller [0300]: NVIDIA Corporation GM206 [GeForce GTX 960] [10de:1401] (rev a1)
Subsystem: Micro-Star International Co., Ltd. [MSI] GM206 [GeForce GTX 960] [1462:3202]
Kernel driver in use: nvidia
Kernel modules: nvidiafb, nouveau, nvidia_drm, nvidia
01:00.1 Audio device [0403]: NVIDIA Corporation GM206 High Definition Audio Controller [10de:0fba] (rev a1)
Subsystem: Micro-Star International Co., Ltd. [MSI] GM206 High Definition Audio Controller [1462:3202]
Kernel driver in use: snd_hda_intel
Kernel modules: snd_hda_intel
03:00.0 USB controller [0c03]: VIA Technologies, Inc. VL80x xHCI USB 3.0 Controller [1106:3432] (rev 02)
Subsystem: VIA Technologies, Inc. VL80x xHCI USB 3.0 Controller [1106:3432]
Kernel driver in use: xhci_hcd
04:00.0 IDE interface [0101]: JMicron Technology Corp. JMB368 IDE controller [197b:2368]
Subsystem: JMicron Technology Corp. JMB368 IDE controller [197b:2368]
Kernel driver in use: pata_jmicron
Kernel modules: pata_jmicron, pata_acpi
05:00.0 IDE interface [0101]: Marvell Technology Group Ltd. 88SE6111/6121 SATA II / PATA Controller [11ab:6121] (rev b2)
Subsystem: Marvell Technology Group Ltd. 88SE6111/6121 1/2 port SATA II + 1 port PATA Controller [11ab:6121]
Kernel driver in use: pata_marvell
Kernel modules: ahci, pata_marvell, pata_acpi
06:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8057 PCI-E Gigabit Ethernet Controller [11ab:4380] (rev 10)
Subsystem: eVga.com. Corp. 88E8057 PCI-E Gigabit Ethernet Controller [3842:1023]
Kernel driver in use: sky2
Kernel modules: sky2
07:00.0 Ethernet controller [0200]: Marvell Technology Group Ltd. 88E8057 PCI-E Gigabit Ethernet Controller [11ab:4380] (rev 10)
Subsystem: eVga.com. Corp. 88E8057 PCI-E Gigabit Ethernet Controller [3842:1023]
Kernel driver in use: sky2
Kernel modules: sky2
08:00.0 PCI bridge [0604]: Texas Instruments XIO2000(A)/XIO2200A PCI Express-to-PCI Bridge [104c:8231] (rev 03)
09:00.0 FireWire (IEEE 1394) [0c00]: Texas Instruments XIO2200A IEEE-1394a-2000 Controller (PHY/Link) [104c:8235] (rev 01)
Kernel driver in use: firewire_ohci
Kernel modules: firewire_ohci