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[lubuntu] Lubuntu 18.10 cannot talk to Nvidia GeForce 940MX

November 7, 2019, 3:08 pm
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This experience has been so frustrating, I created an account just to ask for help.

My Lubuntu version is 18.10.
My GPU is apparently a "GM108M [GeForce 940MX]" (from Nvidia)
I have tried everything from "get an installer from the Nvidia website" to "find an open-source alternative". Nothing is working.

The following is the shell output from when I type "sudo ubuntu-drivers autoinstall", the most intuitive solution.

Code:
sudo ubuntu-drivers autoinstallReading package lists... Done
Building dependency tree     
Reading state information... Done
The following additional packages will be installed:
  libnvidia-cfg1-390 libnvidia-common-390 libnvidia-compute-390
  libnvidia-decode-390 libnvidia-encode-390 libnvidia-fbc1-390
  libnvidia-gl-390 libnvidia-gl-390:i386 libnvidia-ifr1-390
  libnvidia-ifr1-390:i386 nvidia-compute-utils-390 nvidia-dkms-390
  nvidia-kernel-common-390 nvidia-prime nvidia-settings nvidia-utils-390
  xserver-xorg-video-nvidia-390
The following NEW packages will be installed:
  libnvidia-cfg1-390 libnvidia-common-390 libnvidia-compute-390
  libnvidia-decode-390 libnvidia-encode-390 libnvidia-fbc1-390
  libnvidia-gl-390 libnvidia-gl-390:i386 libnvidia-ifr1-390
  libnvidia-ifr1-390:i386 nvidia-compute-utils-390 nvidia-dkms-390
  nvidia-driver-390 nvidia-kernel-common-390 nvidia-prime nvidia-settings
  nvidia-utils-390 xserver-xorg-video-nvidia-390
0 upgraded, 18 newly installed, 0 to remove and 0 not upgraded.
Need to get 0 B/54.6 MB of archives.
After this operation, 251 MB of additional disk space will be used.
Selecting previously unselected package libnvidia-cfg1-390:amd64.
(Reading database ... 350629 files and directories currently installed.)
Preparing to unpack .../00-libnvidia-cfg1-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking libnvidia-cfg1-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-common-390.
Preparing to unpack .../01-libnvidia-common-390_390.116-0ubuntu0.18.10.1_all.deb ...
Unpacking libnvidia-common-390 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-compute-390:amd64.
Preparing to unpack .../02-libnvidia-compute-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking libnvidia-compute-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-decode-390:amd64.
Preparing to unpack .../03-libnvidia-decode-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking libnvidia-decode-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-encode-390:amd64.
Preparing to unpack .../04-libnvidia-encode-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking libnvidia-encode-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-fbc1-390:amd64.
Preparing to unpack .../05-libnvidia-fbc1-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking libnvidia-fbc1-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-gl-390:amd64.
Preparing to unpack .../06-libnvidia-gl-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking libnvidia-gl-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-gl-390:i386.
Preparing to unpack .../07-libnvidia-gl-390_390.116-0ubuntu0.18.10.1_i386.deb ...
Unpacking libnvidia-gl-390:i386 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-ifr1-390:i386.
Preparing to unpack .../08-libnvidia-ifr1-390_390.116-0ubuntu0.18.10.1_i386.deb ...
Unpacking libnvidia-ifr1-390:i386 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package libnvidia-ifr1-390:amd64.
Preparing to unpack .../09-libnvidia-ifr1-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking libnvidia-ifr1-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package nvidia-compute-utils-390.
Preparing to unpack .../10-nvidia-compute-utils-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking nvidia-compute-utils-390 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package nvidia-kernel-common-390.
Preparing to unpack .../11-nvidia-kernel-common-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking nvidia-kernel-common-390 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package nvidia-dkms-390.
Preparing to unpack .../12-nvidia-dkms-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking nvidia-dkms-390 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package nvidia-utils-390.
Preparing to unpack .../13-nvidia-utils-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking nvidia-utils-390 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package xserver-xorg-video-nvidia-390.
Preparing to unpack .../14-xserver-xorg-video-nvidia-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking xserver-xorg-video-nvidia-390 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package nvidia-driver-390.
Preparing to unpack .../15-nvidia-driver-390_390.116-0ubuntu0.18.10.1_amd64.deb ...
Unpacking nvidia-driver-390 (390.116-0ubuntu0.18.10.1) ...
Selecting previously unselected package nvidia-prime.
Preparing to unpack .../16-nvidia-prime_0.8.10_all.deb ...
Unpacking nvidia-prime (0.8.10) ...
Selecting previously unselected package nvidia-settings.
Preparing to unpack .../17-nvidia-settings_390.77-0ubuntu1_amd64.deb ...
Unpacking nvidia-settings (390.77-0ubuntu1) ...
Setting up nvidia-prime (0.8.10) ...
Processing triggers for mime-support (3.60ubuntu1) ...
Setting up libnvidia-fbc1-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Processing triggers for desktop-file-utils (0.23-3ubuntu3) ...
Setting up nvidia-settings (390.77-0ubuntu1) ...
Setting up libnvidia-compute-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Setting up nvidia-kernel-common-390 (390.116-0ubuntu0.18.10.1) ...
update-initramfs: deferring update (trigger activated)
Setting up libnvidia-cfg1-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Setting up xserver-xorg-video-nvidia-390 (390.116-0ubuntu0.18.10.1) ...
Processing triggers for libc-bin (2.28-0ubuntu1) ...
Processing triggers for man-db (2.8.4-2) ...
Setting up libnvidia-decode-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Setting up nvidia-compute-utils-390 (390.116-0ubuntu0.18.10.1) ...
Warning: The home dir /nonexistent you specified can't be accessed: No such file or directory
Adding system user `nvidia-persistenced' (UID 126) ...
Adding new group `nvidia-persistenced' (GID 132) ...
Adding new user `nvidia-persistenced' (UID 126) with group `nvidia-persistenced' ...
Not creating home directory `/nonexistent'.
Setting up libnvidia-common-390 (390.116-0ubuntu0.18.10.1) ...
Setting up libnvidia-encode-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Setting up nvidia-utils-390 (390.116-0ubuntu0.18.10.1) ...
Setting up nvidia-dkms-390 (390.116-0ubuntu0.18.10.1) ...
update-initramfs: deferring update (trigger activated)
INFO:Enable nvidia
DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/lenovo_thinkpad
DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/put_your_quirks_here
DEBUG:Parsing /usr/share/ubuntu-drivers-common/quirks/dell_latitude
Loading new nvidia-390.116 DKMS files...
Building for 4.18.0-25-generic
Building for architecture x86_64
Building initial module for 4.18.0-25-generic
ERROR: Cannot create report: [Errno 17] File exists: '/var/crash/nvidia-kernel-source-390.0.crash'
Error! Bad return status for module build on kernel: 4.18.0-25-generic (x86_64)
Consult /var/lib/dkms/nvidia/390.116/build/make.log for more information.
Setting up libnvidia-gl-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Setting up libnvidia-gl-390:i386 (390.116-0ubuntu0.18.10.1) ...
Setting up libnvidia-ifr1-390:i386 (390.116-0ubuntu0.18.10.1) ...
Setting up libnvidia-ifr1-390:amd64 (390.116-0ubuntu0.18.10.1) ...
Setting up nvidia-driver-390 (390.116-0ubuntu0.18.10.1) ...
Processing triggers for initramfs-tools (0.131ubuntu15.2) ...
update-initramfs: Generating /boot/initrd.img-4.18.0-25-generic
Processing triggers for libc-bin (2.28-0ubuntu1) ...
Other things that are probably important for finding a solution (as far as I know):
  • Secure boot is turned off
  • I have another GPU, and it's some Intel thing.
  • My laptop is a Lenovo Flex (called a Yoga in Europe), but you probably figured part of that out from the dump above.


Please respond (with either questions or suggestions; anything to move this forward), and thank you.
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[ubuntu] could not detect the target printer

November 7, 2019, 4:42 pm
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I'm trying to install a Canon printer on 18.04. From a Canon website, I downloaded and installed the driver package, called cnijfilter2-5.50-1-deb. The driver installed successfully, but when it came to registering the printer, I got "could not detect the target printer". I'm attempting a USB connection, and I have no reason to think that anything is physically wrong with the connection. Any ideas? Thanks.
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Screen flickering - Acer Switch 5

November 7, 2019, 7:55 pm
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Hi Friendly Ubuntu Users!

This problem has been dogging me for about 10 months now. The problem comes and goes but lately it has been worse so it is time to post and seek help.

I have an Acer Switch 5 which is a touch screen laptop. The screen has been flickering on me. Sometimes to the point that the computer is unusable. But normally it is tolerable.

I have tried mostly used Ubuntu 19.04 and more recently 19.10 but I have also tried Linux Mint (most recent) and the same thing happens. This is a video I took showing what it is like with Linux Mint but it is the same with Ubuntu. Mint is based on Ubuntu, so this is not surprising.

https://photos.app.goo.gl/rCw2bBV9S3EALCxR8

It is not always this bad.

I don't know a lot about the hardware, but this is what lspci shows:

Code:
lspci
00:00.0 Host bridge: Intel Corporation Xeon E3-1200 v6/7th Gen Core Processor Host Bridge/DRAM Registers (rev 02)
00:02.0 VGA compatible controller: Intel Corporation HD Graphics 620 (rev 02)
00:04.0 Signal processing controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Thermal Subsystem (rev 02)
00:05.0 Multimedia controller: Intel Corporation Xeon E3-1200 v5/E3-1500 v5/6th Gen Core Processor Imaging Unit (rev 01)
00:13.0 Non-VGA unclassified device: Intel Corporation Sunrise Point-LP Integrated Sensor Hub (rev 21)
00:14.0 USB controller: Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller (rev 21)
00:14.2 Signal processing controller: Intel Corporation Sunrise Point-LP Thermal subsystem (rev 21)
00:14.3 Multimedia controller: Intel Corporation Device 9d32 (rev 01)
00:15.0 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #0 (rev 21)
00:15.1 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #1 (rev 21)
00:15.2 Signal processing controller: Intel Corporation Sunrise Point-LP Serial IO I2C Controller #2 (rev 21)
00:16.0 Communication controller: Intel Corporation Sunrise Point-LP CSME HECI #1 (rev 21)
00:17.0 RAID bus controller: Intel Corporation 82801 Mobile SATA Controller [RAID mode] (rev 21)
00:1c.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #7 (rev f1)
00:1d.0 PCI bridge: Intel Corporation Sunrise Point-LP PCI Express Root Port #9 (rev f1)
00:1f.0 ISA bridge: Intel Corporation Intel(R) 100 Series Chipset Family LPC Controller/eSPI Controller - 9D4E (rev 21)
00:1f.2 Memory controller: Intel Corporation Sunrise Point-LP PMC (rev 21)
00:1f.3 Audio device: Intel Corporation Sunrise Point-LP HD Audio (rev 21)
00:1f.4 SMBus: Intel Corporation Sunrise Point-LP SMBus (rev 21)
01:00.0 Non-Volatile memory controller: Intel Corporation Device f1a5 (rev 03)
02:00.0 Network controller: Intel Corporation Wireless 7265 (rev 59)
I suspect I have a driver issue. The Additional Drivers tab in Software and Updates does not show a proprietary driver available.

I have no idea if I had the issues with stock Windows because I went straight to a dedicated Ubuntu install.

It only affects the built in touch screen. The external monitor is fine via the USB C port.

Looking for any tips on things I can try.

Thanks!
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Brother printer "Processing - Waiting for printer to become available."

November 7, 2019, 8:32 pm
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Hello everyone :)
apologies in advance if this is "one of those" questions....
I'm still at newbie level, I tend to not touch things unless they don't work, and they mostly work - until now.

The printer will not print.
Ubuntu sees it and shows it as "Brother HL-1110 series" in Printers in the Admin menu.
Properties shows it with a green tick and Printer State: Idle

But when I try to print something or click on "print test page", the status changes to "Waiting for printer to become available."

Please help - I've tried almost nothing and I'm out of ideas............

oh, what have I tried?
power cycling both the printer and the computer.
I've tried having the printer powered up before rebooting the computer, and also power cycling the printer while the computer is still running.

All help appreciated - I need to print out my resume [because... reasons...]
:)
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Ubuntu 19.10 + MSI GE60 - Webcam not recognized

November 8, 2019, 10:47 am
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Hi all,

I recently installed Ubuntu 19.10 on a MSI GE60 Apache Pro laptop and, while it works great and all devices are recognized, I found the following issue:

If I boot directly on Ubuntu, the OS can't find the webcam. If I run lsusb -t, I get this:
Code:
thisuser@MSI-GE60-2PE:~$ lsusb -t
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/14p, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
        |__ Port 4: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
        |__ Port 1: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
        |__ Port 3: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M
        |__ Port 3: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M
Running v4l2-ctl --all returns this:
Code:
thisuser@MSI-GE60-2PE:~$ v4l2-ctl --all
Cannot open device /dev/video0
However, if I first boot on Windows and open the MSI control panel application (MSI SCM) and enable the webcam from there, I can reboot into Ubuntu and this time the webcam is recognized and I can use it normally:
Code:
thisuser@MSI-GE60-2PE:~$ lsusb -t
/:  Bus 04.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/6p, 5000M
/:  Bus 03.Port 1: Dev 1, Class=root_hub, Driver=xhci_hcd/14p, 480M
/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/8p, 480M
        |__ Port 4: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 12M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
    |__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
        |__ Port 1: Dev 3, If 0, Class=Human Interface Device, Driver=usbhid, 1.5M
        |__ Port 3: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M
        |__ Port 3: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M
        |__ Port 4: Dev 5, If 0, Class=Video, Driver=uvcvideo, 480M
        |__ Port 4: Dev 5, If 1, Class=Video, Driver=uvcvideo, 480M
Code:
thisuser@MSI-GE60-2PE:~$ v4l2-ctl --all
Driver Info:
    Driver name      : uvcvideo
    Card type        : BisonCam, NB Pro: BisonCam, NB
    Bus info        : usb-0000:00:1a.0-1.4
    Driver version  : 5.3.1
    Capabilities    : 0x84a00001
Any ideas how can I make Ubuntu recognize the webcam without having to boot into Windows first? I've looked at the BIOS but I can't find anything specific to the webcam, and I'm not sure if editing any of the USB options would make a difference.

Thanks in advance!
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Floppy drive writing issues

November 9, 2019, 4:10 am
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Hello everyone, since a floppy drive was installed on a Dell Inspiron 540, I have been using it to read old floppy drives I have lying about. However in regards to being able to successfully write to the disk, I keep getting into the issue that the entire drive is owned by root, making it impossible to successfully write to it without invoking root access. How can I get my floppy drive to be used by normal users.

https://i.imgur.com/Lu5QnmE.png
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[ubuntu] ALPS Touchpad (Dell Latitude E6430) and Ubuntu 19.10

November 9, 2019, 10:50 am
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Has anyone been able to sort out the ALPS touchpad in Ubuntu? I have tried a couple of different builds of Ubuntu and in fact other distros of Linux as well and I sill have the same problem.

The touchpad is recognised just fine, but it jutters (jumps) this is particular worse when using the scroll bar or when I go to click on a link, the cursor will start juttering up and down.

I have tried the psmouse download and the Synaptics touchpad as well and neither one works.

I have now tried both xserver-xorg-input-libinput and xserver-xorg-input-synaptics.
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[ubuntu] 'headphones' settings instead of 'speakers' setting - ?

November 10, 2019, 3:59 am
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[lubuntu] touch screen calibration

November 10, 2019, 11:15 am
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i have a fujitsu lifebook P1610D, and i got the touch screen working by just attaching it as an input device, but now i cant figure out how to calibrate it. i installed xinput_calibrator, ran it with output type auto, and it gave me some text that i am supposed to paste into '/etc/X11/xorg.conf.d/99-calibration.conf' but when i go into /etc/x11, there is no folder called xorg.conf.d, so where do i put the config data that xinput_calibrator gave me?
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[ubuntu] dock Dell TB16 does not work with XPS 13

November 12, 2019, 3:41 am
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I have just bought a dock Dell TB16 to connect to my laptop Dell XPS13 9370; dock installing instructions recommend to update BIOS and drivers before to connect the dock to the laptop but on www.dell.com there are no drivers for Ubuntu and only a Windows file(!) (XPS_9370_1.11.1.exe) for BIOS update...
I tried to connect the dock anyway but nothing works, no mouse, no keyboard, no wired network...
Any suggestion? Did anyone get this problem?
Thank you for help.
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Epson Expression Home XP-2100 driver for Ubuntu 18.04

November 13, 2019, 11:06 am
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Need to find driver for printer, scanner, copier Epson XP-2100. Anyone?
Thanks
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Ubuntu 16.04 mini setup can not detect SATA DOM disc

November 14, 2019, 3:30 am
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I try to install Ubuntu 16.04 mini on SATA DOM card 4GB as a working drive. But, on stage of detecting drive something fail- and setup can not see this drive. Currently Ubuntu server with lubuntu installed on this SATA DOM, and system successfully started- so SATA itself is visible.
Motherboard AsRock IMB-52D
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[ubuntu] impossibility to check usb hard drive with Disks app

November 14, 2019, 7:23 am
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I have a recent 3 TB WD usb hard drive (no SSD) which after having worked perfectly for 3 months as a daily backup disk, now get stuck during rsync backup.
I wanted to check the disk integrity with the Disks utility but the menu option "SMART Data & Self-Test..." is grayed out and no disk check is possible.
It looks the Disks app has some problem because even the internal system disk has the same problem...
What's the matter? How can I check my disk?
Thank you for any help
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[ubuntu] Inspiron 5547 brightness keys problem

November 14, 2019, 3:53 pm
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Hello! I've installed Ubuntu 19.10 on my Dell inspiron 5547 and I'm facing a problem with the brightness keys of the laptop. When I try to use them, the computer become too slow, the cpu fan increases its speed and the keyboard freezes, sometimes returning to work after a while, or it simply freezes completely and I need to reboot the computer. But if I try to change the brightness using the slider of the interface, works pretty fine. The sound control keys are working normally.
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[ubuntu] Change Start up/ Default output device?

November 14, 2019, 7:21 pm
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Hi,

I am using a Logitech G610 and every single time I restart my machine the sound output device ALWAYS changes it back to HDMI and I have to change it to head headphones or line out for the speakers.
Almost every single day I get rather annoying after starting up my PC I change the volume with the big knob on the keyboard but it doesnt work since it went back to HDMI output.

Anyone have solution for me? This is drives me crazy almost every day.

I am using 19.04
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[all variants] Suitable Chromebook for any distro?

November 15, 2019, 9:54 am
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I searched for "Chromebook" in this forum and did not identify much. The Acer C720 seems to be a favorite but, I prefer to get a newer machine. In performing Internet searches for "best chromebooks for linux" many results are obtained but I have to be skeptical about these unless members of this community can substantiate what I will refer to as the claims these websites make. I found it interesting that the C720P is still referred to:

https://platypusplatypus.com/chromeb...oks-for-linux/

If this is a feasible goal I will pursue it. It is a little challenging to convey a list of features I would like to obtain becaase I have even noticed a 1366 x 768 touchscreen can look good if covered with a nice glass. The 11.6" C720p may have been well regarded for its abilities but, this is a bit small. This is an idea for my son and he does like the touchscreen.
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[ubuntu_mate] Can't see partitions in ubuntu mate 18.10

November 15, 2019, 2:16 pm
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SOMEHOW i lost my partitions in ubuntu 18.10 file manager. ran Thunar as root and still no partitions show up.

how do i find and mount them again?? looked in file systems media...and nothing ther

nevermind....rebooted and now they show.
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Trying to install WiFi Drivers, got weird error.

November 15, 2019, 4:53 pm
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EDIT: Just realized this isn't much of an issue as I just realized this is a bit overkill so I stuck with the out-of-the-box drivers.

I am trying to install more compatible drivers for my WiFi, which worked OK out of the box, but not as good as it could have. Ubuntu recommended I installed backport-iwlwifi-dkms so I did via apt. While installing, it seemed to error out in the console log and referenced this log file.

The only error I see in the log file is:
Code:
/var/lib/dkms/backport-iwlwifi/7906/build/drivers/net/wireless/intel/iwlwifi/mvm/utils.c: In function ‘iwl_mvm_get_sync_time’:

 /var/lib/dkms/backport-iwlwifi/7906/build/drivers/net/wireless/intel/iwlwifi/mvm/utils.c:1468:14:  error: implicit declaration of function ‘ktime_get_boot_ns’; did you  mean ‘ktime_get_raw_ns’? [-Werror=implicit-function-declaration]

  1468 |  *boottime = ktime_get_boot_ns();
      |              ^~~~~~~~~~~~~~~~~
      |              ktime_get_raw_ns
  CC [M]  /var/lib/dkms/backport-iwlwifi/7906/build/net/mac80211/scan.o
 cc1: some warnings being treated as errors
 make[9]: *** [scripts/Makefile.build:290:  /var/lib/dkms/backport-iwlwifi/7906/build/drivers/net/wireless/intel/iwlwifi/mvm/utils.o]  Error 1
I don't exactly know what this means, but with my minor C experience it seems more like a warning than an error, and I don't know if this prevented it from fully compiling or not. Am I safe to reboot my system and use this driver/module?
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[ubuntu] Thinkpad E480 upper left corner screen “crashes”, It shows several squares in orange

November 16, 2019, 7:24 am
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Browsing on Firefox and on upper left corner of my screen "crashes".
Time to time on upper left corner shows up orange squares and other colors mixed in them as well.
I bought this laptop about 6 months ago and since I bought it has happened to me. It depends along the day. the problem happens every hour, every 10-15 minutes, it really depends on the day.
When I bought this laptop, I already install Ubuntu, and tested on manjaro as well. The problem happened in both distributions.
Even in external monitors
Does anyone has an idea of what that can be?
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Delayed graphic card activation at startup

November 16, 2019, 6:26 pm
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I apologize for the bizarre title...couldn't think of a different way to state the problem.

I installed Lubuntu 18.04 on a Dell XPS Studio. Startup worked fine...saw the Dell splash screen, then the GRUB menu (it's a dual boot with Windows 10). I then installed a Radeon x300se graphics card so I could use two monitors. Everything appears to be great except there is a delay in the graphics card being activated. Here is what happens....I start the PC, monitor is in Power Save mode....and stays there until about the time the GRUB menu loads. I am thinking the integrated card might be active until then. I have used both this card and a NVIDIA card (that has the same issue in another PC) with Lubuntu 16.04 and it didn't have this problem.

I would be grateful for any thoughts and/or suggestions.
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