problem to install ubuntu 20.04

[yurij]

I have a problem to install ubuntu 20.04 onto dell Inspiron 15 7567.

I've tried to install ubuntu 20.04 more than 10 times. it always hangs (more than 10 minues without any progress, in some cases mouse cursor disappears) but on random screen/stage: it could be either "try ubuntu", or any step after wifi setup window.
Windows 10 and Linux mint 19.03 was checked and installed fine with intel and nvidia gpus detected and they are also works fine.
i install it from usb with iso image.

Did you MD5 test the Ubuntu ISO you downloaded or use torrents to pull down the file?
- Yes, before the screen with "install" button, the process checks files on the usb, and always finished with a report "no errors".
Also, I'd like to mention, that i've checked via dell Assistant in UEFI a RAM and SSD and HDD disks (it took a couple of hours, but no errors were found).

Did you select to install updates during install? (I suggest you don't).
- yes, i've tried with different options, and i think, that install goes better without a checkbox about upload updates, but it could be just a feeling.

I wish I have a way to read and provide logs for you ( and for me ) , but i do not know how to gather them. Sometimes in rare cases i have a window with "Details" label below, and if click there are some messages in terminal-like text area, but there is a too small area to read them, and sometimes they move too fast, and i have no opportunity to write them down or anything else.

-Is this to be a dual boot or is Ubuntu going to be the only OS on the?
I tried both of types. Initially i've started with dual boot with win 10 pro, but after some attempts, I set to erase the whole disk and install only ubuntu 20.04 but it hangs for a lot of time too.

-Do you have the latest BIOS?
Yes, before it I've recently updated the last version (13 Mar 2020) of bios from dell support site. So, all attempts to install ubuntu 20 were after the update.

[Ubuntu Foundations Team Bug Bot (crichton)]

Thank you for taking the time to report this bug and helping to make Ubuntu better. It seems that your bug report is not filed about a specific source package though, rather it is just filed against Ubuntu in general. It is important that bug reports be filed about source packages so that people interested in the package can find the bugs about it. You can find some hints about determining what package your bug might be about at https://wiki.ubuntu.com/Bugs/FindRightPackage. You might also ask for help in the #ubuntu-bugs irc channel on Freenode.

To change the source package that this bug is filed about visit https://bugs.launchpad.net/ubuntu/+bug/1883727/+editstatus and add the package name in the text box next to the word Package.

[This is an automated message. I apologize if it reached you inappropriately; please just reply to this message indicating so.]

[yurij (yurijvs)]

I wish I can specify the package for this bug, but I can not somehow get logs for the install process. With a 2 reasons. The first, it do not write logs to USB with Ubuntu image. Second, since it doesn't react I'm not sure about partitioning and formatting process, so it could be there are no /var/log directory yet ( sometimes it hangs definitely after partitioning, while copying files , but since it doesn't not react, how to gather logs then? ).

So the first main issue is how to get log files. One of the fine for me solution if I can specify usb storage for such logs.

[Jouni Mettala (jouni-mettala)]

Could you try Free software only boot option?
https://help.ubuntu.com/community/BootOptions

Please execute the following command 'ubuntu-bug ubiquity' as it will gather detailed information regarding your installation.

Hopefully it works before your computer hangs. Thanks in advance.

[yurij (yurijvs)]

So. After a set of tests I realized in the following.

1. Install process finished successfully if I use acpi=off flag. But
- the system does not restart on "sudo restart now", it goes to "Reached Restart Target" and hangs.
- when I change later in grub acpi=on , the suspend operation does not work; "sudo restart now" still does not work.
- i do not specify any acpi=off to install Pop!OS 20 (it's sad it's based on ubuntu 20.04), and it works fine with suspend option at start.

2. When i install the system on SSD (with acpi=off) then it fails at the very end with the message like "file system has not been finalized". (But in Pop!OS 20 it is done fine again)

3. After the install it is detected and used nvidia graphic card and the system works ok, then i switch to intel's one and back to the nvidia, then the system does not start. Also, nvidia-settings in Ubuntu 20 show only "PRIME PROFILES" section ( and there is a message in the terminal about it can not load info ), but in Pop!OS 20 there is a full info about nvidia card.

4. Also there is a login issue when it shows a login field on the screen with other applications on the screen, and it does not log in even if the password is correct. I'll try to upload video later.

[yurij (yurijvs)]

hm, there are 4 issues described, and it seems nobody cares.

[Jouni Mettala (jouni-mettala)]

Could you test irqpoll boot option?

[yurij (yurijvs)]

I was able to test in few days after it, but now I have the system (pop os) installed and setup software already, it works for me, so i'm not going to reinstall.