Unable to run tmux built from source on a rhel8 host

[Kenneth Ölwing]

Hi,

First, in case it matters: I am (at work) behind an enterprise (government) firewall and the Linux hosts generally can't get out on the 'net. At present we use primarily rhel8 but I also use rhel9 for my dev activities. We have local repos with the rhel dists and some others so I assume I have 'all' I need in that department.

Once upon a time, I downloaded the tmux-3.4.tar.gz (I believe) and built that (./configure --prefix=xxx && make && make install). It ran, and runs, fine.

Later I was trying to upgrade to 3.6 but got in trouble. I decided not to pursue this as my use of tmux is fairly basic (mostly to provide safety for when our enterprise VPN decides to flake out and I need to re-attach to my sessions). I simply kept using 3.4.

Now, I again tried to upgrade to use 3.7b - but bumps into the same issue. I figure I should try to fix it...but I really don't have a good insight in how to go about finding (and fixing) the root cause, so I'm hoping for someone experienced to take a look. Hopefully I'm just doing, or haven't done, something stupid. Perhaps my rhel8 host is somehow screwed up and/or configured badly or 'too secure' in our inside environment (which I don't have full control over as such, but I do have root access to my dev hosts).

So simply enough:

• tar xvzf tmux-3.7b.tar.gz
• cd tmux-3.7b
• ./configure --prefix=$HOME/mytmux
• make
• make install

There is nothing that stands out to my eyes here, no particular error messages or so.

Trying to run it:

• $HOME/mytmux/bin/tmux

And i very quickly get '[server exited unexpectedly]'.

Looking around, I gathered how to produce logs so:

• $HOME/mytmux/bin/tmux -vvvv

And got three log files (attached). Again, without knowing what to look for, nothing stands out as a bona fide error message...?

I later retried by also removing my ~/.tmux.conf, but still no go.

Finally, I did the exact same thing on my rhel9 host, and that works fine.

Please - can anyone give me a hint on what I should be doing/not doing/checking next?

Thanks in advance!

ken1

[Nicholas Marriott]

I use tmux all the time on centos 6, 7 and rocky 9... but I don't think I've ever tried 8.

This looks like tmux crashed.

Can you send config.log?

Also if strace is installed try "strace -vvvtttfffostrace.out tmux new" then send the strace.out* files.

It might be easier to open an issue on GitHub than send a load of files to the ML but up to you.

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[Kenneth Ölwing]

Thank you Nicholas, opened an issue (#5404) on GitHub.

ken1