5.8.0-43 with nvidia unstable?

**holiday2** · February 13th, 2021

With this kernel update I cannot use any nvidia driver. Seems okay with the nouveau but with the nvidia, I cannot use an external monitor.

I usually setup with laptop screen off and external monitor as primary but with this new kernel or any nvidia driver (I've tried two) the laptop display will not give up. It reasserts itself as primary and the external monitor will not hold its resolution.

**ActionParsnip** · February 13th, 2021

Is it OK with an older kernel?
What is the output of:

Code:

sudo lshw -C display; lsb_release -a; uname -a; sudo dmidecode -t 1

Thanks

**holiday2** · February 13th, 2021

Originally Posted by ActionParsnip

Is it OK with an older kernel?
What is the output of:

Code:

sudo lshw -C display; lsb_release -a; uname -a; sudo dmidecode -t 1

Thanks

Code:

sudo lshw -C display; lsb_release -a; uname -a; sudo dmidecode -t 1  *-display                 
       description: 3D controller
       product: GM107M [GeForce GTX 960M]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a2
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom
       configuration: driver=nouveau latency=0
       resources: irq:138 memory:dc000000-dcffffff memory:b0000000-bfffffff memory:c0000000-c1ffffff ioport:e000(size=128) memory:dd000000-dd07ffff
  *-display
       description: VGA compatible controller
       product: HD Graphics 530
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 06
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:139 memory:db000000-dbffffff memory:70000000-7fffffff ioport:f000(size=64) memory:c0000-dffff
No LSB modules are available.
Distributor ID:    Ubuntu
Description:    Ubuntu 20.10
Release:    20.10
Codename:    groovy
Linux asus 5.8.0-43-generic #49-Ubuntu SMP Fri Feb 5 03:01:28 UTC 2021 x86_64 x86_64 x86_64 GNU/Linux
# dmidecode 3.2
Getting SMBIOS data from sysfs.
SMBIOS 3.0.0 present.


Handle 0x0001, DMI type 1, 27 bytes
System Information
    Manufacturer: ASUSTeK COMPUTER INC.
    Product Name: N501VW
    Version: 1.0       
    Serial Number: G9N0CXIRR00123D     
    UUID: 0005ecc8-1778-2217-369b-890c334683d1
    Wake-up Type: Power Switch
    SKU Number: ASUS-NotebookSKU
    Family: N

Thanks. I tried rolling back the kernel via GRUB menu but got only the GRUB prompt. So I gave up and will stick with nouveau until I'm feeling like tinkering.

I'll try again later in the day. Thanks for your response.

**holiday2** · February 14th, 2021

Having fixed the grub problem and starting with the previous kernel version, the display issue persists.

I have another NVIDIA laptop running with the 5.8-43 kernel and there is no problem with the nvidia 390.

How could that be?

Everything works okay with the nouveau, but the graphics aren't as crisp so...

**grahammechanical** · February 14th, 2021

Am I right in thinking that this laptop has hybrid graphics? An Nvidia video card for high resolution graphics but higher power consumption. And also an Intel video card for Low resolution graphics and a correspondingly lower power consumption.

I am told that with Windows this kind of system automatically switches between video cards as demand requires it. This would be down to the Nvidia driver being especially coded for this purpose. This is much more difficult to achieve in Linux. In the past Nvidia did not seem to give fixing this matter much priority.

I have also seen from some recent posts on this forum that there is some kind of issue with Nvidia drivers and the latest Linux kernels. I cannot really say for sure if this is the case or give the reason why. Any possible solution might be more difficult to identify.

Regards

**holiday2** · February 14th, 2021

Originally Posted by grahammechanical

Am I right in thinking that this laptop has hybrid graphics? An Nvidia video card for high resolution graphics but higher power consumption. And also an Intel video card for Low resolution graphics and a correspondingly lower power consumption.

I am told that with Windows this kind of system automatically switches between video cards as demand requires it. This would be down to the Nvidia driver being especially coded for this purpose. This is much more difficult to achieve in Linux. In the past Nvidia did not seem to give fixing this matter much priority.

I have also seen from some recent posts on this forum that there is some kind of issue with Nvidia drivers and the latest Linux kernels. I cannot really say for sure if this is the case or give the reason why. Any possible solution might be more difficult to identify.

Regards

I don't know about hybrid graphics. Does this help :

Code:

lshw -class video  *-display                 
       description: 3D controller
       product: GM107M [GeForce GTX 960M]
       vendor: NVIDIA Corporation
       physical id: 0
       bus info: pci@0000:01:00.0
       version: a2
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list rom
       configuration: driver=nvidia latency=0
       resources: irq:139 memory:dc000000-dcffffff memory:b0000000-bfffffff memory:c0000000-c1ffffff ioport:e000(size=128) memory:dd000000-dd07ffff
  *-display
       description: VGA compatible controller
       product: HD Graphics 530
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 06
       width: 64 bits
       clock: 33MHz
       capabilities: pciexpress msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:138 memory:db000000-dbffffff memory:70000000-7fffffff ioport:f000(size=64) memory:c0000-dffff