bugGNU GRUB - Bugs: bug #64405, Keystrokes repeating in grub menu

 
 

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bug #64405: Keystrokes repeating in grub menu

Submitter:  Didi <didiko>
Submitted:  Mon 10 Jul 2023 03:28:08 PM UTC
   
 
Category:  User Interface Severity:  Major
Priority:  5 - Normal Item Group:  None
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release:  other
Release:  Reproducibility:  Every Time
Planned Release:  None

Wed 02 Aug 2023 03:08:09 AM UTC, comment #1: 

I have have the same issue. Grub version: 2.06-3~deb10u2.  Motherboard:  Micro-Star International Co., Ltd B550-A PRO (MS-7C56).

A few interesting things:
1) the same issue happens in BIOS mode programs such as FreeDOS
2) (for me at least) the grub usb code is not causing the repeated strokes, grub is using the BIOS 16h (`grub-core/term/i386/pc/console.c: grub_console_getkey`). I tried changing the typematic setting using to various settings (https://stanislavs.org/helppc/int_16-3.html) and it had no effect seemingly.
3) A ps/2 keyboard does not have the same issue
4) it seems to be an issue with the way the motherboard converts usb to legacy bios keyboard commands? i dont know why grub isn't detecting usb

 Travis <tadamono12>
Mon 10 Jul 2023 03:28:08 PM UTC, original submission:  

I don't know if it's hardware specific or not, I saw other people suggesting USB2 keyboards, I upgraded the board's firmware and it didn't change.
keystrokes are repeated to the point of making GRUB basically unusable, I suspect it's getting keystrokes from the internal USB HID driver and from the firmware and interpreting both.
Tried setting: GRUB_TERMINAL_INPUT="console" and it didn't change.
A workaround that helped me was setting the mode to console, but I'd really prefer working with a resolution that doesn't remind me of my first computer, though.
I'm using 2.04/2.06 (on Ubuntu 22.04).
I can code, but as I'm completely unfamiliar with the project, to fix this or check various solutions myself I'll need someone to point me in the right direction.
I'm using ASRock B550M Pro4 Board with 2.30/2.71 firmware, secure boot enabled.

 Didi <didiko>

 

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