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* strange formatting of command output on core-image-base
@ 2020-05-20 10:23 stefan.wenninger
  2020-05-20 15:39 ` [yocto] " Khem Raj
  0 siblings, 1 reply; 3+ messages in thread
From: stefan.wenninger @ 2020-05-20 10:23 UTC (permalink / raw)
  To: yocto


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Hi,
I recently switched form an image based on fsl-image-qt5 to one based on core-image-base.
The new image works fine in every regard except that the output of some commands looks weird.

I have attached the output of commands "nmcli" and "systemctl status dbus". Once executed on the fsl-image-qt5 based system and once on the core-image-base based system (_weird.txt).
There are two main points I gather from that weird output:
1. There are some codes like "[[32m"+"[[0m" or "[[0;1;32m"+"[[0m", which I assume are colour codes, that are printed and not applied.
2. The output appears to be opened in a vi-like editor?! It clears and fills the entire terminal page and seems to display an input mode at the bottom.

Both of these aspects are non-existent on the fsl-image-qt5 based system. There, colours are displayed normally and the output is just printed right beneath my command call.

I have discovered that I can get these two commands to work properly on the core-image-base based system, if I pipe their output into cat: "nmcli | cat".

My assumption for the colour codes is that, the core-image-base system uses a different text encoding, or a different style of colour codes and therefore does not recognize the ones presented by nmcli.
I have tried to install the ttf-dejavu-* fonts that are present on the fsl-image-qt system. I also verfied that both systems seem to be using POSIX as their LANG setting ("locale" produces the same output on both).
I have no idea why the output is presented in what seems to be a vi editor though. Both systems have their EDITOR variable set to "vi".

Am I missing some kind of package or setting in my image?

I am at my wits' end and would greatly appreciate anyone trying to shed some light on what is going on here.
Stefan Wenninger

[-- Attachment #1.2: Type: text/html, Size: 1894 bytes --]

[-- Attachment #2: nmcli_weird.txt --]
[-- Type: text/plain, Size: 817 bytes --]

[[32meth0: connected to static-ethernet[[0m
        "eth0"
        ethernet (fec), F8:DC:7A:38:5E:88, hw, mtu 1500
        ip4 default
        inet4 10.30.4.204/24
        route4 10.30.4.0/24
        route4 0.0.0.0/0
        route6 ff00::/8

[[31mwlan0: disconnected[[0m
        "wlan0"
        wifi (brcmfmac), E6:EE:24:78:B8:B8, hw, mtu 1500

[[2mlo: unmanaged[[0m
        "lo"
        loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536

Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.

Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.

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standard input

[-- Attachment #3: systemctl_weird.txt --]
[-- Type: text/plain, Size: 726 bytes --]

[[0;1;32m●[[0m dbus.service - D-Bus System Message Bus
   Loaded: loaded (/lib/systemd/system/dbus.service; static; vendor preset: enabled)
   Active: [[0;1;32mactive (running)[[0m since Wed 2020-04-22 08:32:34 UTC; 14min ago
     Docs: man:dbus-daemon(1)
 Main PID: 261 (dbus-daemon)
    Tasks: 1 (limit: 3582)
   CGroup: /system.slice/dbus.service
           └─261 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only

Apr 22 08:32:34 imx8mq-var-dart systemd[1]: Started D-Bus System Message Bus.

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standard input

[-- Attachment #4: nmcli.txt --]
[-- Type: text/plain, Size: 668 bytes --]

eth0: connected to static-ethernet
        "eth0"
        ethernet (fec), F8:DC:7A:38:5E:6F, hw, mtu 1500
        ip4 default
        inet4 10.30.4.204/24
        route4 10.30.4.0/24
        route4 0.0.0.0/0
        route6 ff00::/8

wlan0: disconnected
        "wlan0"
        wifi (brcmfmac), C2:AC:F8:33:15:5A, hw, mtu 1500

lo: unmanaged
        "lo"
        loopback (unknown), 00:00:00:00:00:00, sw, mtu 65536

Use "nmcli device show" to get complete information about known devices and
"nmcli connection show" to get an overview on active connection profiles.

Consult nmcli(1) and nmcli-examples(5) manual pages for complete usage details.

[-- Attachment #5: systemctl.txt --]
[-- Type: text/plain, Size: 543 bytes --]

● dbus.service - D-Bus System Message Bus
   Loaded: loaded (/lib/systemd/system/dbus.service; static; vendor preset: enabled)
   Active: active (running) since Thu 2020-01-16 13:19:07 UTC; 2min 4s ago
     Docs: man:dbus-daemon(1)
 Main PID: 363 (dbus-daemon)
    Tasks: 1 (limit: 3582)
   CGroup: /system.slice/dbus.service
           └─363 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation --syslog-only

Jan 16 13:19:07 imx8mq-var-dart systemd[1]: Started D-Bus System Message Bus.

^ permalink raw reply	[flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-05-22 12:33 UTC | newest]

Thread overview: 3+ messages (download: mbox.gz follow: Atom feed
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2020-05-20 10:23 strange formatting of command output on core-image-base stefan.wenninger
2020-05-20 15:39 ` [yocto] " Khem Raj
2020-05-22 12:33   ` stefan.wenninger

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