[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-23 Thread Dan Kortschak
Note that I'm not suggesting that it be altered mechanically, but rather
than a warning be written that it may not be what is wanted (note also
that this issue is not about nouveau drivers but NVidia-provided
drivers).

If I'd seen a warning like that on doing `ubuntu-drivers autoinstall`,
this issue would probably not have been filed.

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Title:
  NVIDIA driver (390) does not allow progress to login screen

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-23 Thread Daniel van Vugt
Yes and no...

Occasionally someone will have an Nvidia-only desktop (or similar old
laptop). Or they may have a very new laptop that the Linux kernel
doesn't support properly yet. In such a case, using 'nomodeset' can be a
life saver. Especially given the spotty stability and hardware support
of the nouveau (modesetting) driver. Sometimes you just have to turn it
off.

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Title:
  NVIDIA driver (390) does not allow progress to login screen

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-23 Thread Dan Kortschak
As an after thought. This could be mitigated by having the nvidia
drivers' postinst check for nomodeset in /etc/defaults/grub and warn if
it is present. It is already running grub-update.

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  NVIDIA driver (390) does not allow progress to login screen

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-23 Thread Dan Kortschak
Yes, sorry. Removing nomodeset allowed boot to desktop and a functional
and stable system.

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  NVIDIA driver (390) does not allow progress to login screen

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-23 Thread Daniel van Vugt
Great. Though I can't tell what fixed the problem. Do you mean the steps
in comment #5?

Regardless, if a problem was fixed without requiring any change to the
binary packages then the appropriate status is 'Invalid' now. That just
means it's not a bug in the assigned package.


** Changed in: nvidia-graphics-drivers-390 (Ubuntu)
   Status: Incomplete => Invalid

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-23 Thread Dan Kortschak
Thank you so very much. That has fixed the problem. In the next couple
of weeks when I can find some time, I'll look into the other issue that
you've been managing and try it with a mainline kernel.

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Daniel van Vugt
Laptops are almost always wired with only the Intel GPU connected to the
LCD. If there is an Nvidia GPU then it is not connected to the screen;
it only shares rendered frames with the Intel GPU via system memory.
This allows the Nvidia GPU to be completely turned off without losing
the screen or needing to change drivers.

And the Intel driver absolutely requires modesetting to work (hence no
'nomodeset'), because that is the only mode of operation supported by
the Intel driver (unless you want 1024x768 and software rendering).

Yes, I think Escape is edge triggered only. It's not a modifier key like
Shift is. But also yes I only use UEFI so maybe legacy BIOS modes still
support Shift.

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Dan Kortschak
re:nomodeset: That's odd unless the drivers on the live usb media are
old; nomodeset is definitely needed to not lock up from the live usb on
this machine.

re:grubmenu: I'm not using UEFI, so AFAIU, shift should be the key
(though I tried both). Is it edge triggered? If not, I've had the key
held down from the moment the boot process is started at the boot medium
option screen of my BIOS.

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  NVIDIA driver (390) does not allow progress to login screen

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Daniel van Vugt
Your Intel GPU, which usually is the only GPU wired directly to the
laptop screen, requires modesetting to be enabled. I recall old versions
of the Nvidia driver did not like that, but current versions do. I think
"current" includes Ubuntu 18.04.

As for the grub menu, yes it might have become harder to trigger in
recent years but I am pretty sure Escape still works. You just have to
be very fast...

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  NVIDIA driver (390) does not allow progress to login screen

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Dan Kortschak
I will give that a go. The nomodeset option was set during istall,
presumably because the live usb install media doesn't boot without it. I
vaguely recall altering that option at the grub menu, but it was a long
day yesterday, so I am not sure (as an aside, why does the grub menu not
come up with shift or esc any more - I needed to alter the grub files to
make it possible to see the menu at all, which is pretty unfriendly).

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  NVIDIA driver (390) does not allow progress to login screen

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Daniel van Vugt
** Package changed: gdm3 (Ubuntu) => nvidia-graphics-drivers-390
(Ubuntu)

** Tags added: nvidia

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Daniel van Vugt
Oh, actually your XorgLog files suggest the problem is just that the
Nvidia driver is not properly installed. And your kernel log seems to
show that you are using a kernel option ('nomodeset') which will prevent
the Intel GPU from driving the screen properly.

To fix these issues, please:

1. Edit /etc/default/grub and remove the word 'nomodeset'.

2. Run: sudo update-grub

3. Reboot.

If the problem is not yet fixed then try:

4. sudo apt install --reinstall nvidia-driver-390

5. Reboot again.

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Daniel van Vugt
OK, the system log should contain a hint of the problem. Unfortunately
that's not yet attached to this bug.

Please reproduce the problem again and while it is happening, log in
remotely. Now run:

  journalctl -b0 > curjournal.txt

and attach the file 'curjournal.txt' to this bug.

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Dan Kortschak
Unfortunately that does not resolve the issue. The behaviour remains the
same.

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[Bug 1830000] Re: NVIDIA driver (390) does not allow progress to login screen

2019-05-22 Thread Daniel van Vugt
This sounds like it might be bug 1798790. Please try this workaround:

1. Edit /etc/gdm3/custom.conf and uncomment the line:

   #WaylandEnable=false

2. Reboot


** Package changed: xorg (Ubuntu) => gdm3 (Ubuntu)

** Changed in: gdm3 (Ubuntu)
   Status: New => Incomplete

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