Thanks, Frank. I will incorporate this patch into my next upload. I am
currently investigating another systemd bug that I will try to fix at
the same time. Hopefully I will have an upload today or tomorrow.
** Changed in: systemd (Ubuntu)
Status: New => Triaged
** Changed in: systemd (Ubuntu)
Importance: Undecided => High
** Changed in: systemd (Ubuntu)
Assignee: (unassigned) => Nick Rosbrook (enr0n)
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https://bugs.launchpad.net/bugs/2102236
Title:
plucky/s390x does not come up after kernel update + reboot, due to
udev rules missing in initrd
Status in Ubuntu on IBM z Systems:
New
Status in initramfs-tools package in Ubuntu:
Invalid
Status in linux package in Ubuntu:
Invalid
Status in systemd package in Ubuntu:
Triaged
Bug description:
While using the plucky daily from March 12 (that still comes with kernel 6.12)
(and working around LP#2101831, by forcing the installation to not apply any
updates)
I get a system installed, which is at kernel level 6.12.
Since 6.14 is out (in plucky release) since yesterday (March 12th) I tried to
upgrade from 6.12 to 6.14,
and the update itself seemed to be smooth (I couldn't find any errors while
doing a full-upgrade in the terminal - see attached logs).
But after executing a reboot, the system (in 3 different
configurations, that use dm) does not come up again, and ends up in
busybox, complaining that the root device couldn't be found:
# s1lp15 FCP/SCSI multipath with LVM
ALERT!
/dev/disk/by-id/dm-uuid-LVM-SlleSC5YA825VOM3t0KHBVFrLJcNWsnwZsObNziIB9Bk2mSVphnuTEOQ2eFiBbE1
does not exist. Dropping to a shell!
# s1lp15 2DASDs with LVM:
ALERT!
/dev/disk/by-id/dm-uuid-LVM-ePTbsojYPfgMacKXwpIMNMvxk80qGzlPhRYw7DJlovmqHyla9TK6NGc70p1JN29b
does not exist. Dropping to a shell!
# s1lp15 FCP/SCSI Multipath no LVM
ALERT! /dev/disk/by-id/dm-uuid-part1-mpath-36005076306ffd6b60000000000002603
does not exist. Dropping to a shell!
However, using a single disk without dm (so: no multipath, no lvm) the
system is able to come up again after the reboot (after a kernel
upgrade).
# s1lp15 single DASD no LVM
here the root device is:
root=/dev/disk/by-path/ccw-0.0.260b-part1
and it exists.
In the 3 different cases that (that repeatedly fail) "/dev/disk/by-id"
is missing.
I am not sure yet what's causing this,
it can be an issue with the device-mapper/lvm2
but also udev rules or kernel.
So maybe I need to add the kernel as affected component too (for now).
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