FS#51479 - [linux] Unable to mount LVM RAID1 since 4.8

Attached to Project: Arch Linux
Opened by UnicornDarkness (Xorg) - Friday, 21 October 2016, 13:55 GMT
Last edited by Jan de Groot (JGC) - Friday, 21 October 2016, 14:25 GMT
Task Type Bug Report
Category Packages: Testing
Status Closed
Assigned To No-one
Architecture All
Severity Low
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 1
Private No

Details

Description:
After upgrading to Linux 4.8, I'm "unable" to boot: the root partition is on a SSD, and the home partition is on a LV (raid 1), located on a VG which uses two PV (HDD).
lvm2-pvscan@.service fails to start after 1m30, and there is the following error message:
raid: Unable to assemble array: Unknown flag(s) in compatible feature flags
So, home cannot be mounted (it doesn't appear in /dev/vg0/). Consider I can't login as regular user to use Arch normally.

This bug doesn't affect kernel 4.7 (and older).


Additional info:
* linux-4.8.2-1
* attached file 'lvdisplay' is output of 'lvdisplay -m' command (using Linux 4.7)
* attached file 'lvs' is output of 'lvs' command (using Linux 4.7)


Steps to reproduce:
Boot using Linux 4.8.


Available patch:
See LKML: https://lkml.org/lkml/2016/10/11/418
Patch: https://lkml.org/lkml/diff/2016/10/11/418/1
   lvdisplay.txt (0.9 KiB)
   lvs.txt (0.2 KiB)
This task depends upon

Closed by  Jan de Groot (JGC)
Friday, 21 October 2016, 14:25 GMT
Reason for closing:  Duplicate
Additional comments about closing:   FS#51476 

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