[bug #64090] at_keyboard hangs HP EliteBooks with GRUB on Coreboot
Riku Viitanen <[email protected]>
| Newsgroups | gmane.comp.boot-loaders.grub.bugs |
|---|---|
| Message-ID | <[email protected]> |
URL:
<https://savannah.gnu.org/bugs/?64090>
Summary: at_keyboard hangs HP EliteBooks with GRUB on
Coreboot
Group: GNU GRUB
Submitter: riku_v
Submitted: Sat 22 Apr 2023 12:44:00 PM UTC
Category: Booting
Severity: Major
Priority: 5 - Normal
Item Group: Hardware-specific
Status: None
Privacy: Public
Assigned to: None
Originator Name: Riku Viitanen
Originator Email: [email protected]
Open/Closed: Open
Release: other
Release:
Discussion Lock: Any
Reproducibility: Every Time
Planned Release: None
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Follow-up Comments:
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Date: Sat 22 Apr 2023 12:44:00 PM UTC By: Riku Viitanen <riku_v>
This has been happening for over 5 years:
https://ticket.coreboot.org/issues/141
On EliteBooks with Coreboot+GRUB, GRUB hangs infinitely on the menu screen.
When using Coreboot+SeaBIOS to load GRUB from an MBR hard drive, GRUB works
fine.
I fixed this by implementing a 200 ms timeout in
keyboard_controller_wait_until_ready. This patch is now automatically applied
in Libreboot. Keyboard works correctly now, and GRUB no longer hangs.
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File Attachments:
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Date: Sat 22 Apr 2023 12:44:00 PM UTC Name: 0005-at-keyboard-timeout.patch
Size: 1KiB By: riku_v
<http://savannah.gnu.org/bugs/download.php?file_id=54652>
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