GNU GRUB - Bugs: bug #41449, It doesn't recognize btrfs default...
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bug #41449: It doesn't recognize btrfs default subvolume.
Submitter: | Ayhan <ayhan> | ||
Submitted: | Mon 03 Feb 2014 10:26:28 PM UTC | ||
Category: | Booting | Severity: | Major |
Priority: | 5 - Normal | Item Group: | Software Error |
Status: | Invalid | Privacy: | Public |
Assigned to: | None | Originator Name: | |
Open/Closed: | Closed | Release: | 2.02~beta1 |
Release: | Reproducibility: | Every Time | |
Planned Release: | None |
Mon 31 Mar 2014 02:27:13 PM UTC, comment #2: |
Massimiliano Torromeo <mtorromeo> |
Tue 04 Feb 2014 06:00:55 AM UTC, comment #1: Using the real root is a concious decision and it is in line with GRUB always using absolute path and not trying to follow any artificial "defaults". grub-mkrelpath bridges this difference by adding necessarry prefix. |
Vladimir Serbinenko <phcoder>![]() |
Mon 03 Feb 2014 10:26:28 PM UTC, original submission:
It doesn't recognize btrfs default subvolume. (which is permanently pointed to by the command "btrfs subvolume set-default #subvolid")
|
Ayhan <ayhan> |
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Follow 2 latest changes.
Date | Changed by | Updated Field | Previous Value | => | Replaced by |
---|---|---|---|---|---|
2014-02-04 | phcoder | Status | None | ![]() |
Invalid |
Open/Closed | Open | ![]() |
Closed |
Even though it is not grub-mkrelpath's fault that the default subvolume is ignored, the resulting grub-conf includes the subvolume path as the root prefix of the kernel path and this is wrong.
Example:
btrfs default submodule: /__active
wrong: linux /__active/boot/vmlinuz-linux root=UUID=... rw rootflags=subvol=__active
correct: linux /boot/vmlinuz-linux root=UUID=... rw rootflags=subvol=__active
The rootflags may be superfluous but the linux path should be fixed or it won't boot. The result is grub searching for the kernel in the effetive path: /__active/__active/boot/vmlinuz-linux