> GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash
initcall_blacklist=simpledrm_platform_driver_init”
This seems to have fixed https://bugs.launchpad.net/ubuntu/+bug/2068849
for me "Ubuntu 24.04 crashes to login screen when display turns off"
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The solution of Per Overgaard also eliminated the ghost monitor for me -
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2060268/comments/32
After applying the solution, I also had to blindly apply my disk encryption
password -
Please report crashes in new bugs, not here. You can follow the steps in
https://wiki.ubuntu.com/Bugs/Responses#Missing_a_crash_report_or_having_a_.crash_attachment
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I experience a similar severe problem to what Noam Mor (noam-mor) has
mentioned above.
In fact, in my case, since I use a monitor switch to switch screens
between two machines, every time I switch back to my Ubuntu computer,
Gnome crashes, and I have to re-login. Usually losing all my work in the
I believe this bug is causing annoying side effects such as bug 2066126
and bug 2065791.
** Description changed:
[ Impact ]
After installing Nvidia driver 545 on a single (27") monitor system,
Settings shows a phantom 46" monitor of the same resolution.
It looks like the phantom
Regarding the severity of this bug - if I turn off the monitor, Ubuntu
switches to my second (non-existing) monitor, and when I turn the
monitor back on, gnome crashes and forces me to logout. I *had* to apply
the workaround to avoid constant crashes and forced logouts.
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Isn't this also a Gnome settings bug? Even with the presence of an
erroneously detected extra monitor, shouldn't we be able to simply
deactivate it / configure the desktop to not span across both monitors?
The Settings > Displays GUI doesn't seem to work correctly. The
"Unknown" monitor is
The proposed workaround works, but I use full disk encryption and the
unlock screen doesn't show up anymore. As a workaround, after switching
on the computer, I wait a few seconds, blindly type the password and the
system boots successfully.
Any ideas on how to restore the disk encryption unlock
On 24.04 with NVIDIA GTX 3060 and Samsung 5120 X 1440 monitor, running
libnvidia 535.171.04-0ubuntu2
Following Per Overgaard's excellent instructive, the
> GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash
initcall_blacklist=simpledrm_platform_driver_init”
solution works for me to eliminate the "ghost
** Tags added: regression-release
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https://bugs.launchpad.net/bugs/2060268
Title:
Phantom "Unknown Display" shown in Settings after installing the
Nvidia driver
To manage
levitan89: Read my comment #32
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https://bugs.launchpad.net/bugs/2060268
Title:
Phantom "Unknown Display" shown in Settings after installing the
Nvidia driver
To manage notifications
Have the same issue. Fresh install of Ubuntu 24.04. Happening, at least, with
Xorg.
NVIDIA Driver Version: 535.171.04
Graphic card: NVIDIA GeForce RTX 3060
Can give more information if useful. Just let me know guys what is
relevant to add to this comment.
Cheers.
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> GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash
initcall_blacklist=simpledrm_platform_driver_init”
This workaround worket for me too.
Thanks.
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https://bugs.launchpad.net/bugs/2060268
Title:
Another Workaround:
This is using the Nvidia driver and not nouveau, right? I believe this is a
driver in the Nvidia driver that is not asking for the conflicting framebuffers
to be unregistered.
You can try to add "initcall_blacklist=simpledrm_platform_driver_init" to your
kernel command line
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: nvidia-graphics-drivers-550 (Ubuntu)
Status: New => Confirmed
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** Attachment added: "dmesg"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/2060268/+attachment/5771970/+files/dmesg
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Title:
Phantom
Same problem for me on Ubuntu 24.04 fresh install on X11.
I tried updating my nvidia driver to nvidia-driver-550, but I keep
getting this "phantom" monitor in Gnome settings.
I have two physical monitors :
- Main one : AOC 27" AG271QG with G-Sync
- Other one : Dell 25"
$ find /sys/devices
I upgraded from 23.10 to 24.04 and I have the same issues plus other problems:
+Two monitors designated as Unknown display
+most gnome apps (like Setting, alert message) don't render the characters as
in
Same problem with Nvidia driver 535.171.04 on Ubuntu 24.04
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Title:
Phantom "Unknown Display" shown in Settings after installing the
Nvidia
** Summary changed:
- Phantom monitor (simpledrm) shown in Settings after installing the Nvidia
driver
+ Phantom "Unknown Display" shown in Settings after installing the Nvidia driver
** Description changed:
+ [ Impact ]
+
After installing Nvidia driver 545 on a single (27") monitor system,
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