bugGNU GRUB - Bugs: bug #53697, GRUB can't find root device

 
 

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bug #53697: GRUB can't find root device

Submitter:  Oleg Solovyov <mcpain>
Submitted:  Thu 19 Apr 2018 09:51:49 AM UTC
   
 
Category:  Booting Severity:  Major
Priority:  5 - Normal Item Group:  Software Error
Status:  None Privacy:  Public
Assigned to:  None Originator Name: 
Open/Closed:  Open Release:  Git master
Release:  Reproducibility:  Every Time
Planned Release:  None

Thu 19 Apr 2018 09:51:49 AM UTC, original submission:  

I have installed system using partitions:
ext4 /boot, LVM ( ext4-luks /, ext4-luks /home )

After calling update-grub I notice that the 'root' parameter in grub-cfg is empty.

The reason is that grub-probe returns empty string if it tries to find a root partition.

The grub-probe software checks whether device have name like "/dev/dm-X" by checking their basename.
But device can have name like "/dev/mapper/dm-0-luks" and grub-probe skips that device (which is root)

Fix attached as patchfile

Oleg Solovyov <mcpain>

 

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Attached Files
file #43973:  grub.patch added by mcpain (488B - text/x-patch)

 

Depends on the following items: None found

Items that depend on this one: None found

 

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  • -email is unavailable- added by mcpain (Submitted the item)
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    Follows 1 latest change.

    Date Changed by Updated Field Previous Value => Replaced by
    2018-04-19 mcpain Attached File- Added grub.patch, #43973

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