[Bug 1528422] Re: Additional drivers reports the wrong driver in use

[Si Dedman]

Similar issue here:

I was using kernel 5.4.0.42.46 with nvidia-drivers-440, installed 5.8.3,
booted into the new kernel and the graphics were way worse. Software &
Updates still has the radio button selected for nvidia,

see attached, this looked terrible stretched across a 3440*1440 screen.

but:

hwinfo --gfxcard
Driver Info #0:
    Driver Status: nvidiafb is not active
    Driver Activation Cmd: "modprobe nvidiafb"
  Driver Info #1:
    Driver Status: nouveau is not active
    Driver Activation Cmd: "modprobe nouveau"
  Config Status: cfg=new, avail=yes, need=no, active=unknown

Then, Selected nouveau driver, apply, hwinfo says both drivers still
inactive, restarted, looks good (hi res), nvidia settings absent from
start menu settings, nouveau radio button highlit in software & updates,

hwinfo --gfxcard
  Driver Info #0:
    Driver Status: nvidiafb is not active
    Driver Activation Cmd: "modprobe nvidiafb"
  Driver Info #1:
    Driver Status: nouveau is active
    Driver Activation Cmd: "modprobe nouveau"
  Config Status: cfg=new, avail=yes, need=no, active=unknown
  Attached to: #7 (PCI bridge)

So nouveau is being used, graphics problem fixed, nvidia definitely the
culprit of the graphics issues which had been plaguing me for about a
year. I'll file a bug with them, however part of what took me so long to
diagnose this was that I thought the nouveau drivers were broken since I
could only get 1024*768. I spent hours trying to fix that, to no avail.
Turns out there was nothing wrong with them, they just weren't selected.
I didn't know this because I didn't think to check, I just believed the
radio button. Feasibly the selected item is highlit until changed in the
GUI or backend by the user, but it doesn't do an internal check (hwinfo
or otherwise) to confirm that the driver it thinks is selected, is
selected?

Thanks

** Attachment added: "screenshot"
   https://bugs.launchpad.net/ubuntu/+source/software-properties/+bug/1528422/+attachment/5405908/+files/Kernel5.8.3.NolagLowResMoreDeets.png

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https://bugs.launchpad.net/bugs/1528422

Title:
  Additional drivers reports the wrong driver in use

Status in software-properties package in Ubuntu:
  Confirmed

Bug description:
  See attached screenshot - it's reporting the AMD driver is in use,
  while in reality it is the Intel driver.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: software-properties-gtk 0.96.13.1
  ProcVersionSignature: Ubuntu 4.2.0-22.27-generic 4.2.6
  Uname: Linux 4.2.0-22-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Tue Dec 22 12:45:42 2015
  InstallationDate: Installed on 2014-06-26 (543 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
  PackageArchitecture: all
  SourcePackage: software-properties
  UpgradeStatus: Upgraded to wily on 2015-10-26 (56 days ago)

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