Comments (6)
cheilman
commented on August 16, 2024
Forgot to add. I'm on MacOS Sonoma 14.4.1, ssh'd into the linux machine. Terminal is iTerm2 3.5.0. I looked at the setting for "Ambiguous characters are double-width" and it is disabled like I saw recommended in other issues.
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cheilman
commented on August 16, 2024
Interestingly, the same config running on the same macbook, same iterm2, but running locally instead of ssh'd into a linux machine works fine.
$ zsh --version && bash --version && tmux -V
zsh 5.9 (arm-apple-darwin22.5.0)
GNU bash, version 3.2.57(1)-release (arm64-apple-darwin23)
Copyright (C) 2007 Free Software Foundation, Inc.
tmux 3.4
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xx4h
commented on August 16, 2024
Interesting. So just to be sure i got it correctly, you're using ssh from your MacOS Sonoma 14.4.1 to connect to a CentOS 9 system. On the CentOS 9 system you have zsh 5.9, bash 5.1.8 and tmux 3.4?
Some first ideas and things to try to narrow down the issue:
-
Regarding
tmux 3.4, as far as i can see, there's only 3.2a available through the normal upstream (including epel), did you try with3.2aas well? -
If you disable your
tmux.conf(just move it totmux.conf.bakfor the moment) and run tmux, do the status line updates for the default status line show the same behaviour? -
When starting tmux, do you have the "extra" line at the bottom right from the beginning, or does it appear with the first update?
-
Just in case, can you try a different terminal when you do the
sshto theCentOS 9system as well?
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cheilman
commented on August 16, 2024
Correct, trying with a newly opened iTerm2.
$ zsh --version && bash --version && tmux -V
zsh 5.9 (x86_64-redhat-linux-gnu)
GNU bash, version 5.1.8(1)-release (x86_64-redhat-linux-gnu)
Copyright (C) 2020 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
tmux 3.4
- I'm not sure where the tmux comes from, my company has some internal package repos so it's possible they've built 3.4 for centos 9 instead of normal upstream repos. I don't have access to 3.2a.
- No, with no tmux.conf and the default status line it updates correctly.
- The initial display is correct, the extra line appears with the first update and it only contains characters that changed (like digits from the load, or seconds).
- Using terminal.app (version 2.14) does not have this issue, updates look correct. However, I don't have the right fonts installed there so the status line doesn't look right (and I'm not sure if that impacts other things).
- Turns out that I had my tmux command aliased (
tmux='LC_CTYPE=POSIX tmux -ul2'), but removing that and calling/usr/bin/tmuxdirectly has the same behavior.
Going back to the terminal.app question, I got the fonts working and it's still good, so probably a setting within iTerm2 somewhere -- but that's related to the centos host?
I'm setting terminal within my tmux.conf (set -g default-terminal "tmux-256color") but commenting that line doesn't change things, it still happens in iTerm2.
Here's a pretty minimal tmux.conf that still reproduces the issue:
❯ cat .tmux.conf ─╯
───────┬───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
│ File: .tmux.conf
───────┼───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
1 │ #
2 │ # TMux Config File
3 │ #
4 │
5 │ # Update the prefix to be like (my) screen
6 │ set -g prefix C-w
7 │ unbind C-b
8 │ bind C-w send-prefix
9 _ │
10 │ # Status line settings
11 │ set -g status on
12 _ │ set -g status-interval 1
13 │
14 │ # Tmux Plugins
15 │ set -g @plugin 'tmux-plugins/tpm'
16 │ set -g @plugin 'erikw/tmux-powerline'
17 _ │
18 │ # Initialize TPM (must stay at bottom)
19 │ run-shell -b "$HOME/.tmux/plugins/tpm/tpm"
20 │
───────┴───────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
That was an aggressive update interval, but bumping it to 10s didn't change anything.
Locale in environment is:
LC_ALL=en_US.utf8
LC_CTYPE=en_US.utf8
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xx4h
commented on August 16, 2024
Going back to the terminal.app question, I got the fonts working and it's still good, so probably a setting within iTerm2 somewhere -- but that's related to the centos host?
Did you try a different profile (new one with defaults) in iTerm2?
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cheilman
commented on August 16, 2024
I have no idea why, but a clean profile worked. I even dumped the two profiles to json and diffed them and there are no significant differences...
❯ diff Downloads/clean-sorted.json Downloads/default-sorted.json
────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
renamed: Downloads/clean-sorted.json to Downloads/default-sorted.json
────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────
@ default-sorted.json:99 @
"Red Component": 1,
"Blue Component": 1
},
"Bound Hosts": [],
"Character Encoding": 4,
"Close Sessions On End": true,
"Columns": 80,
@ default-sorted.json:126 @
"Red Component": 0.7333333492279053,
"Blue Component": 0.7333333492279053
},
"Guid": "3E2914B0-25C9-4282-8D79-8C814ED8E42A","39730D5E-561C-48EA-8597-5C3CBE741EF5",
"Horizontal Spacing": 1,
"Idle Code": 0,
"Jobs to Ignore": [
@ default-sorted.json:298 @
}
},
"Mouse Reporting": true,
"Name": "Clean","Default",
"Non Ascii Font": "Monaco 12",
"Non-ASCII Anti Aliased": true,
"Normal Font": "MesloLGS-NF-Regular 12",
@ default-sorted.json:324 @
"editor": "com.github.atom"
},
"Send Code When Idle": false,
"Shortcut": "","T",
"Show Status Bar": false,
"Silence Bell": false,
"Status Bar Layout": {
That fixed my issue through ssh, thanks for the debugging help!
I also tried using mosh for connecting, and that's still broken, but I can work with just ssh for now. I suspect mosh is introducting some kind of terminfo issue but I haven't spent time debugging. Good enough for now :). Thank you again!
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