Bug 1226455

Summary: Ubuntu fails to dual-boot SLES15 SP6 or SP5 and it reports “file ‘/boot/vmlinuz-linux’ not found”
Product: [openSUSE] PUBLIC SUSE Linux Enterprise Server 15 SP5 Reporter: fei wang <fei2.wang>
Component: BootloaderAssignee: Bootloader Maintainers <bootloader-maintainers>
Status: NEW --- QA Contact:
Severity: Normal    
Priority: P2 - High    
Version: unspecified   
Target Milestone: ---   
Hardware: x86-64   
OS: Other   
Whiteboard:
Found By: --- Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---
Attachments: failure symptom reported when trying to use Ubuntu to dual-boot SLES
Ubuntu fails to dual-boot SLES-detailed boot entry parameters

Description fei wang 2024-06-18 02:48:23 UTC
Created attachment 875534 [details]
failure symptom reported when trying to use Ubuntu to dual-boot SLES

-Ubuntu and SLES are sharing /boot/efi partition, /boot for SLES is a folder residing on root partition which is also LVM  
-boot menu entries for SLES are automatically added by running grub2-mkconfig -o /boot/efi/EFI/ubuntu/grub.cfg using Ubuntu OS prober  
-confirmed that /boot/vmlinuz-linux-xxxx does exist and no typo 

Detailed partition and file system type is as below:


# cat /etc/fstab
/dev/sles15sp6/root  /                       btrfs  defaults                      0  0
/dev/sles15sp6/root  /var                    btrfs  subvol=/@/var                 0  0
/dev/sles15sp6/root  /usr/local              btrfs  subvol=/@/usr/local           0  0
/dev/sles15sp6/root  /tmp                    btrfs  subvol=/@/tmp                 0  0
/dev/sles15sp6/root  /srv                    btrfs  subvol=/@/srv                 0  0
/dev/sles15sp6/root  /opt                    btrfs  subvol=/@/opt                 0  0
/dev/sles15sp6/root  /home                   btrfs  subvol=/@/home                0  0
/dev/sles15sp6/root  /boot/grub2/x86_64-efi  btrfs  subvol=/@/boot/grub2/x86_64-efi  0  0
/dev/sles15sp6/root  /boot/grub2/i386-pc     btrfs  subvol=/@/boot/grub2/i386-pc  0  0
UUID=5DA3-22CA       /boot/efi               vfat   utf8                          0  2
/dev/sles15sp6/swap  swap                    swap   defaults                      0  0
/dev/sles15sp6/root  /.snapshots             btrfs  subvol=/@/.snapshots          0  0
Comment 1 fei wang 2024-06-18 02:49:07 UTC
Created attachment 875535 [details]
Ubuntu fails to dual-boot SLES-detailed boot entry parameters
Comment 2 fei wang 2024-06-19 00:24:44 UTC
can someone help take a look at this issue? Thanks a lot.