[Bug 1856507] Re: [nvidia] Login screen doesn't show up after installing the Nvidia driver, on a desktop with only an Nvidia GPU

2019-12-17 Thread Daniel van Vugt
Thanks. This appears likely to be the problem; the Nvidia driver can't
find a monitor!?

Dec 17 15:07:44 shahar-desktop /usr/lib/gdm3/gdm-x-session[2137]: (II) 
NVIDIA(0): Validated MetaModes:
Dec 17 15:07:44 shahar-desktop /usr/lib/gdm3/gdm-x-session[2137]: (II) 
NVIDIA(0): "NULL"
Dec 17 15:07:44 shahar-desktop /usr/lib/gdm3/gdm-x-session[2137]: (II) 
NVIDIA(0): Virtual screen size determined to be 640 x 480
Dec 17 15:07:44 shahar-desktop /usr/lib/gdm3/gdm-x-session[2137]: (WW) 
NVIDIA(0): Unable to get display device for DPI computation.
...
Dec 17 15:07:44 shahar-desktop /usr/lib/gdm3/gdm-x-session[2137]: (II) 
NVIDIA(0): Setting mode "NULL"


** No longer affects: gdm3 (Ubuntu)

** Changed in: nvidia-graphics-drivers-435 (Ubuntu)
   Status: Incomplete => New

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Title:
  [nvidia] Login screen doesn't show up after installing the Nvidia
  driver, on a desktop with only an Nvidia GPU

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[Bug 1856507] Re: [nvidia] Login screen doesn't show up after installing the Nvidia driver, on a desktop with only an Nvidia GPU

2019-12-17 Thread Shahar Or
Thank you, Daniel.

>From one boot after the failed one, here it is attached.

** Attachment added: "journalctl -b-1"
   
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-435/+bug/1856507/+attachment/5313189/+files/prevboot.txt

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Title:
  [nvidia] Login screen doesn't show up after installing the Nvidia
  driver, on a desktop with only an Nvidia GPU

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[Bug 1856507] Re: [nvidia] Login screen doesn't show up after installing the Nvidia driver, on a desktop with only an Nvidia GPU

2019-12-16 Thread Daniel van Vugt
Here's an idea:

Please reinstall the Nvidia driver, reproduce the bug, then revert to
nouveau again.

Assuming the problem with the Nvidia driver was the _previous_ boot:

  journalctl -b-1 > prevboot.txt

and then attach the file prevboot.txt


** Summary changed:

- [nvidia] Login screen doesn't show up after installing the Nvidia driver
+ [nvidia] Login screen doesn't show up after installing the Nvidia driver, on 
a desktop with only an Nvidia GPU

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Title:
  [nvidia] Login screen doesn't show up after installing the Nvidia
  driver, on a desktop with only an Nvidia GPU

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