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Re: Xdm trisquel login fails after installing gajim on a fresh guix inst

From: David Lecompte
Subject: Re: Xdm trisquel login fails after installing gajim on a fresh guix install (works after rolling back)
Date: Wed, 02 Jun 2021 17:35:31 +0000

On Wed, 2 Jun 2021 10:30:17 -0300
"Adonay Felipe Nogueira via" <> wrote:

> It might not be enough, but did you enable build substitutes when you were 
> asked by the guix installation script?

Actually, I don't remember seeing that question. Maybe they are disabled then, 
I will enable them.

> In general, you don't need to look those up unless a build process insists on 
> failing or has another bug of some sort. The process I did came up to find 
> those is somewhat complex, but still if you do want to follow mine, please 
> read on.
> Most logs are kept at "/var/log/guix/drvs", but I do agree that you might 
> need to do some searching, like this (lines starting with "$" are command 
> lines):

Thanks for the great tips, very helpful.

There are 138 files more recent than the generation before last. The names of 
the .drv.bz2 files apparently include package names but I see nothing with xorg 
or texlive, even in the older ones, while I am sure I saw them listed on the 

Could that be visible inside of other .drv files in /var/log/guix?

> I think this is related to the XDG_DATA_DIRS environment variable. While 
> "/etc/profile.d/" does have some directions to set it, I had to put 
> the following into my ~/.profile file in order to login:
> ---- Start of text ----
> export 
> XDG_DATA_DIRS="/usr/local/share:/usr/share/${XDG_DATA_DIRS:+:}$XDG_DATA_DIRS"
> ---- End of text ----

Excellent, it solves the problem.

> I did not have time to research ways to avoid this, but I guess that I'll 
> have to fiddle with "/etc/profile.d/" itself in order to test it more 
> effectively.

The line there is a little different but I am not able to say whether that 
should do the same or not. I guess I should spend more time on the bash manual, 
this is perhaps one of the most useful manual to spend time on.

Anyway, thanks for the very good help !


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