Ubuntu 18.04 Stuck

Discussions about using Linux guests in VirtualBox.
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momoo
Posts: 3
Joined: 4. Jan 2023, 20:12

Ubuntu 18.04 Stuck

Post by momoo »

I have Ubuntu 18 running in VirtualBox (version 6.1.34) on my W10 host PC. The other day everything was fine, but now I have something like the following message when I try to boot it:
failed2.PNG
failed2.PNG (34.28 KiB) Viewed 2402 times
failed.PNG
failed.PNG (24.96 KiB) Viewed 2402 times
My graphics controller is set to VMSVGA, but I tried changing it to VBoxVGA and VBoxSVGA, neither of which worked. I also tried disabling 3D acceleration, all to no avail.

I am pretty much in the dark as I am very new to Ubuntu, virtualbox, and never used Docker in the past.
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scottgus1
Site Moderator
Posts: 20965
Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux

Re: Ubuntu 18.04 Stuck

Post by scottgus1 »

Assuming no changes to the VM were made, I'm stumped. There's a lot of these:
00:00:19.144876 Display::i_handleDisplayResize: uScreenId=0 pvVRAM=0000000000000000 w=800 h=600 bpp=0 cbLine=0x0 flags=0x2 origin=0,0
00:00:19.148465 Display::i_handleDisplayResize: uScreenId=0 pvVRAM=000000000ee80000 w=800 h=600 bpp=32 cbLine=0xC80 flags=0x1 origin=0,0
00:00:19.150167 GUI: UIMachineLogic: Guest-screen count changed
Did you run updates inside the VM and fill up its disk?
momoo
Posts: 3
Joined: 4. Jan 2023, 20:12

Re: Ubuntu 18.04 Stuck

Post by momoo »

I think I did it by mistake. Do you have any suggestions to fix this?
scottgus1
Site Moderator
Posts: 20965
Joined: 30. Dec 2009, 20:14
Primary OS: MS Windows 10
VBox Version: PUEL
Guest OSses: Windows, Linux

Re: Ubuntu 18.04 Stuck

Post by scottgus1 »

Ubuntu is known to go blackscreen if there is not enough free disk space to start the desktop environment. This happens in real PCs too. The solution is to log on text-only and delete stuff until the desktop environment can start. Web-search how to fix this in an Ubuntu PC and apply the steps to the VM. Also see How to Resize a Drive
momoo
Posts: 3
Joined: 4. Jan 2023, 20:12

Re: Ubuntu 18.04 Stuck

Post by momoo »

thank you! Problem solved :)
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