FS#67866 - [linux] 5.8.8 has issues with mdadm

Attached to Project: Arch Linux
Opened by Jean-Michaël Celerier (jcelerier) - Thursday, 10 September 2020, 14:23 GMT
Last edited by freswa (frederik) - Thursday, 10 September 2020, 14:59 GMT
Task Type Bug Report
Category Packages: Core
Status Closed
Assigned To No-one
Architecture All
Severity Medium
Priority Normal
Reported Version
Due in Version Undecided
Due Date Undecided
Percent Complete 100%
Votes 2
Private No

Details

Description:

Hello,
I updated this morning (last time was two days ago) to linux-5.8.8.

That rendered my system unbootable and dropped to an emergency shell, as my root partition is on a mdadm array, and with the update that fails - mdadm is not even able to read the data on my drives there.


I tested by running

mdadm --assemble --run /dev/md0 /dev/sdd

where /dev/sdd is one of my RAID0 array's drives - this gave me an error about failing to read the MBR sector (?).


* Reverting to linux-lts works

* Booting to the most recent archiso, with kernel 5.8.5 also works - there I am able to mount my drive.

My mkinitcpio.conf has:

MODULES=(xfs sd_mod ahci md_mod raid0)
BINARIES=(mdmon)
HOOKS=(base udev modconf block keyboard keymap mdadm_udev lvm2 filesystems fsck)
This task depends upon

Closed by  freswa (frederik)
Thursday, 10 September 2020, 14:59 GMT
Reason for closing:  Not a bug
Additional comments about closing:  This is not a packaging bug, but either a configuration or an upstream bug. Please use the forum, the mailing list or the IRC to ask for support.
Thank you

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