bugGNU GRUB - Bugs: bug #35754, Exiting of submenus when scrolling...


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bug #35754: Exiting of submenus when scrolling with multiterm (console and serial)

Submitter:  Jordan Uggla <jordanu>
Submitted:  Wed 07 Mar 2012 11:42:37 PM UTC
Category:  User Interface Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release:  Bazaar - trunk
Release:  Reproducibility:  Every Time
Planned Release:  2.03+

Wed 07 Mar 2012 11:42:37 PM UTC, original submission:  

When using both console and serial, with input via serial, if one tries to scroll quickly through a submenu using the down arrow key they will be brought back to the main menu as if escape had been pressed. The assumption is that somehow the escape sequence for "down arrow" on serial is being partially lost and instead interpreted as just escape.

Steps to reproduce as a bash script:


mkdir -p /tmp/overlay/boot/grub/

cat << "EOF" > /tmp/overlay/boot/grub/grub.cfg
terminal_output console serial
terminal_input console serial

submenu "Long submenu" {

  for i in 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20; do

  menuentry "Menu entry #${i}" {

grub-mkrescue -o /tmp/test.iso /tmp/overlay/
kvm -serial stdio /tmp/test.iso

# Use the terminal window for input, rather than the qemu window,
# Select "Long submenu" then scroll to the bottom of the submenu

Jordan Uggla <jordanu>


(Note: upload size limit is set to 16384 kB, after insertion of the required escape characters.)

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Depends on the following items: None found

Items that depend on this one: None found


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  • -email is unavailable- added by phcoder (Updated the item)
  • -email is unavailable- added by jordanu (Submitted the item)

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    Follow 2 latest changes.

    Date Changed by Updated Field Previous Value => Replaced by
    2017-03-05 phcoder Planned Release2.02 2.03+
    2016-03-02 phcoder Planned ReleaseNone 2.02

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