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[bug #46135] Enter key does not work on Grub console if keymap is change

From: Fujiwara
Subject: [bug #46135] Enter key does not work on Grub console if keymap is changed
Date: Tue, 06 Oct 2015 07:31:48 +0000
User-agent: Mozilla/5.0 (X11; Fedora; Linux x86_64; rv:38.0) Gecko/20100101 Firefox/38.0


                 Summary:  Enter key does not work on Grub console if keymap
is changed
                 Project: GNU GRUB
            Submitted by: fujiwara
            Submitted on: 2015年10月06日 07時31分47秒
                Category: Terminal
                Severity: Major
                Priority: 5 - Normal
              Item Group: None
                  Status: None
                 Privacy: Public
             Assigned to: None
         Originator Name: Fujiwara
        Originator Email: 
             Open/Closed: Open
         Discussion Lock: Any
                 Release: 2.02~beta1
         Reproducibility: Every Time
         Planned Release: None



I have grub2-2.02-0.23.fc23.x86_64 in Fedora 23.

To reproduce:
1. Install ckbcomp which is called by grub2-kbdcomp internally.
# dnf install console-setup
# rpm -q console-setup

2. Create jp keyboard.
# mkdir /boot/grub2/layouts
# grub2-kbdcomp -o /boot/grub2/layouts/jp.gkb jp
Unknown keyboard scan code 0x54
Unknown keyboard scan code 0x65
Unknown keyboard scan code 0x7f

3. Modify grub.cfg to enable jp keymap.
# diff -urNp /etc/default/grub.orig /etc/default/grub
--- /etc/default/grub.orig
+++ /etc/default/grub
@@ -3,5 +3,6 @@ GRUB_DISTRIBUTOR="$(sed 's, release .*$,
 GRUB_CMDLINE_LINUX="rhgb quiet"

# cat /boot/grub2/custom.cfg 
insmod keylayouts
keymap jp

# grub2-mkconfig -o /boot/grub2/grub.cfg

# reboot

4. Enter 'e' to edit boot parameters in Grub console.

5. Append ' vga=ask 3' in vmlinuz boot line and press Ctrl+x to boot Fedora.
    linux16 /boot/vmlinuz-4.2.0-300.fc23.x86_64 ... LANG=ja_JP.UTF-8 vga=ask

3. Try to press Enter key on VGA asking screen:
Press <ENTER> to see video modes available, <SPACE> to continue, or wait for
30 seconds

I cannot input Enter key.

This problem does not happen if I don't change the keymap.

If typing is changed to capital after '=' is typed, Shift can revert it.


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