bugGNU GRUB - Bugs: bug #56858, grub2 fallback failed when using...

 
 

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bug #56858: grub2 fallback failed when using GRUB_DISABLE_SUBMENU=true

Submitted by:  Nguyễn Trung Hiếu <thaygiaoth>
Submitted on:  Wed 04 Sep 2019 10:55:53 AM UTC  
 
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  None Privacy:  Public
Assigned to:  None Originator Name:  Nguyễn Trung Hiếu
Open/Closed:  Open Release: 
Release:  2.02 Reproducibility:  None
Planned Release:  None

Wed 04 Sep 2019 10:55:53 AM UTC, original submission:  

Hi all

---1. Environment---
On CentOS 7.6, I install additionnal kernel
yum -y install kernel

Now I have 2 kernel
3.10.0-957.27.2.el7.x86_64
3.10.0-957.el7.x86_64

Default boot to newest kernel: 3.10.0-957.27.2.el7.x86_64

---2. GRUB2 fallback works successfully when diable submenu---

/etc/default/grub
GRUB_DEFAULT=saved or 0
GRUB_DISABLE_RECOVERY=true
GRUB_DISABLE_SUBMENU=true

/boot/grub2/grubenv
fallback=1

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

--> rename /boot/vmlinuz-3.10.0-957.27.2.el7.x86_64
--> boot to 3.10.0-957.el7.x86_64 --> OK

---3. GRUB2 fallback failed when enable submenu---

/etc/default/grub
GRUB_DEFAULT=saved or 0
GRUB_DISABLE_RECOVERY=true
#GRUB_DISABLE_SUBMENU=true

/boot/grub2/grubenv
fallback=1 or 2

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

--> rename /boot/vmlinuz-3.10.0-957.27.2.el7.x86_64
--> failed to boot fallback entries

Please consider this issue, thank you!

Nguyễn Trung Hiếu <thaygiaoth>

 

Attached Files

 

Depends on the following items: None found

Items that depend on this one: None found

 

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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2019-09-04 thaygiaoth Attached File- => Added grub2_fallback_failed_submenu_enable.png, #47449

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