bugGNU GRUB - Bugs: bug #64821, grub-install reports "error:...

 
 

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bug #64821: grub-install reports "error: unknown filesystem."

Submitter:  Steve <greatsun>
Submitted:  Thu 26 Oct 2023 03:57:08 PM UTC
   
 
Category:  Installation Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release:  other
Release:  Reproducibility:  Every Time
Planned Release:  None

Fri 27 Oct 2023 10:53:32 AM UTC, comment #1: 

Forgot to mention the actual version: grub-install (GRUB) 2.06-13

 Steve <greatsun>
Thu 26 Oct 2023 03:57:08 PM UTC, original submission:  

Hi all,

following base of the issue was found:

Basic setup/situation:
1. A computer installed with Windows 11 Pro before, UEFI boot
2. Booting from Debian 12 and running installation
3. When getting to grub-installation the error occured

Error source:
For me it looks like it tries to look into the other "registered" items in the EFI BOOT and looks into the boot/configured devices for those somehow. As it is not able to find the proper devices/partitions with the defined filesystems, it errors as described.

Solution (for me):
Delete the Windows files from EFI directory.
Afterwards everything runs smoothly.

Fix Suggestion (could also be done differently for sure):
If probing for other OSs and issues found, don't stop execution and if possible name a proper error.


Hope this helps.

 Steve <greatsun>

 

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