Curtin Hooks (Not Misspelled)

Bin13

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Installing Ubuntu Live Server 20v04.1 USB on metal locally, I keep getting hung at the absolute end by the curtin process that never ends.
I have changed the USB to a different type, no change.
I have installed Ubuntu Server previously with no problems that could not be overcome with research.
On this subject, there seems to be little that makes sense.
Any help or guidance would be appreciated, please?
 


wizardfromoz

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Bin13

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Chris, Thank you for your help.
I did see the other post and thought the same.
Problem was, that the post subject heading didn't seem to hit the spot, so rather than post under, I created another newbie thread with what I thought was a more eye-catching and accurate title.
I was hoping that a kind moderator might line them up as I don't believe I have enough privileges to do so. I have done a few 'lucky' installs, but this one has me floored and there is little meaningful reference.
 

f33dm3bits

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I rarely do anything with Ubuntu so what you describe doesn't sound familiar and it's not enough to go on, a screenshot of what you are seeing when it hangs at that point would be useful so that we have a more clear picture of what might be happening.
 

Vrai

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so rather than post under, I created another newbie thread with what I thought was a more eye-catching and accurate title.
Yes, it is very eye-catching!
Sorry I do not have an answer :(
 

wizardfromoz

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I was hoping that a kind moderator might line them up...
Can't see one over my shoulder :), but what I can do is for an arbitrary period of time, pin them at the top of this subforum, so they might get better attention.

If I haven't done that in, say, 24 hours "ping" me by referring to @wizardfromoz (after @WIZ it will offer autocomplete options) in this Thread and I will be notified.

If I come across anything useful, I'll provide suggestions.

Cheers

Wiz
 

KGIII

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Bin13

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Thank you wizardfromoz.
I read different things that relate to this apparent "curtin hook" error.
Some say that it originates in the grub process(es).
I do have the tiniest doubt about it being a fault at all?
As Linux users, we are primed to expect a state of 'quiet' at the end of a process that indicates completion. Generally, Linux CLI is 'quiet' when you do something right.
When we see a continuing process, indicated in this case by a revolving paddle, we assume that a process either has not completed (hung) or has not completed correctly (errors). We focus on these last few lines of text.
There is a red banner at the top of the screen stating that the process is complete and successful.
However, the 'paddle' still revolves.
The bottom banner (subtly) changes from offering two options:
(01.) View Full Log
(02.) Cancel Update and Reboot
to
(01.) View Full Log
(02.) Reboot Now
We know that there must be a process running, because we are prompted when we choose option "(02.) Reboot Now", to remove installation media.
[Although my system still attempts to identify my install media as DVD (and fails to find it) when I am using USB]
Could this revolving "curtin hook" paddle be a function of this 'remove installation media' process?
is it simply that we are so focussed on text output that this mixed GUI/text installation environment is fooling us with it's revolving paddle?
I confess, I cannot understand why I have not seen or heeded it during previous installations?
I will post a screen 'snap' shortly.
 

Bin13

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As you can see, the curtin process is referred to several times in five lines in this final screen:
(Apologies for the appalling photographic screen capture.)
 

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f33dm3bits

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As you can see, the curtin process is referred to several times in five lines in this final screen:
(Apologies for the appalling photographic screen capture.)
When it gets to the point where it hangs, can you press tab and then enter to "View the full log" because if you open that it will show what it's actually doing and I suspect you will actually see what it's trying to run where it keeps hanging. I actually did a Ubuntu Server 20.04 install in a vm and it kept hanging there for a while on the same point as in your screenshot. When I checked the logs it was updating the system which took a while and when it was done it gave me the option to reboot, before I did I check the logs again and it said "All upgrades Installed" and the same "subiquity/Late/run" line. So I suspect all you have to do it press tab and then arrow down and enter to reboot but check the "View full log" just to be sure.
 
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