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[Bug 1140464] grub: error message "error: serial port `com0' isn't found. error: terminal `serial' isn't found."
  • From: bugzilla_noreply@xxxxxxxxxx
  • Date: Fri, 26 Jul 2019 09:30:20 +0000
  • Message-id: <bug-1140464-21960-2Yee9cPfJp@http.bugzilla.opensuse.org/>
http://bugzilla.opensuse.org/show_bug.cgi?id=1140464
http://bugzilla.opensuse.org/show_bug.cgi?id=1140464#c4

--- Comment #4 from Michael Chang <mchang@xxxxxxxx> ---
(In reply to Oliver Kurz from comment #3)
(In reply to Michael Chang from comment #2)
Test on aarch64 server is really needed to know how it works.

I just tested on physical aarch64 server and it worked with the sequence below

grub> terminal_output
Active output terminals:
console
Available output terminals:
gfxterm serial_*

grub> terminal_input
Active input terminals:
console
Available input terminals:
serial_*

grub> serial efi0 --speed=115200 --parity=no

grub> terminal_output
Active output terminals:
console
Available output terminals:
gfxterm serial_efi0

grub> terminal_input
Active input terminals:
console
Available input terminals:
serial_efi0

grub> terminal_output serial_efi0; terminal_input serial_efi0

To connect it from a linux box:

screen /dev/ttyUSB0 115200


I see. So do I read this as you plan to do this? I guess this could be
emulated with qemu easily. Feel free to use openQA itself, e.g. using the
approach as described on
http://open.qa/docs/
#_triggering_tests_based_on_an_any_remote_git_refspec_or_open_github_pull_req
uest
you could adapt some test to do this in a scratch git branch.

I suppose you were mentioning some aarch64 openQA testcases needs to be changed
to use the corrected serial command. I am not much into openQA so it will
require more time to work on verifying it directly by the article you provided.

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