Public bug reported:
While trying to install the latest daily of 24.04 (still .3 but daily
from 02.02.) on a multipath disk setup on an s390x system, that has an
older 26.04 on it (trying to reinstall the system on 24.04) the
installer crashed.
[ 222.879605] device-mapper: table: 252:1: multipath: error getting device
(-EBUSY)
[ 222.879609] device-mapper: ioctl: error adding target to table
[ 222.924093] device-mapper: table: 252:1: multipath: error getting device
(-EBUSY)
[ 222.924097] device-mapper: ioctl: error adding target to table
[ 222.927398] device-mapper: table: 252:1: multipath: error getting device
(-EBUSY)
[ 222.927401] device-mapper: ioctl: error adding target to table
[ 222.930725] device-mapper: table: 252:1: multipath: error getting device
(-EBUSY)
[ 222.930728] device-mapper: ioctl: error adding target to table
...
Feb 03 13:45:26 ubuntu-server kernel: device-mapper: table: 252:1: multipath:
error gettin
g device (-EBUSY)
Feb 03 13:45:26 ubuntu-server kernel: device-mapper: ioctl: error adding
target to table
Feb 03 13:45:26 ubuntu-server multipathd[1247]: dm_addmap: libdm task=0 error:
Device or resource busy
Feb 03 13:45:26 ubuntu-server multipathd[1247]: mpatha: ignoring map
Feb 03 13:45:26 ubuntu-server multipathd[1247]: mpatha: addmap [0 402653184
multipath 1 queue_if_no_path 1 alua 1 1 service-time 0 4 1 8:32 1 8:48 1 8:0 1
8:16 1]
Feb 03 13:45:26 ubuntu-server multipathd[1247]: libdevmapper:
ioctl/libdm-iface.c(1990): device-mapper: reload ioctl on mpatha (252:1)
failed: Device or resource busy
Feb 03 13:45:26 ubuntu-server multipathd[1247]: dm_addmap: libdm task=0 error:
Device or resource busy
Feb 03 13:45:26 ubuntu-server multipathd[1247]: mpatha: ignoring map
Feb 03 13:45:26 ubuntu-server systemd[1]: Finished systemd-sysusers.service -
Create System Users.
Feb 03 13:45:26 ubuntu-server multipathd[1247]: mpatha: addmap [0 402653184
multipath 1 queue_if_no_path 1 alua 1 1 service-time 0 4 1 8:32 1 8:48 1 8:0 1
8:16 1]
** Affects: ubuntu-z-systems
Importance: High
Assignee: Skipper Bug Screeners (skipper-screen-team)
Status: New
** Affects: subiquity (Ubuntu)
Importance: High
Status: New
** Tags: s390x
** Attachment added: "logs-03.02.2026.tgz"
https://bugs.launchpad.net/bugs/2139685/+attachment/5942469/+files/logs-03.02.2026.tgz
** Also affects: subiquity
Importance: Undecided
Status: New
** No longer affects: subiquity
** Also affects: ubuntu-z-systems
Importance: Undecided
Status: New
** Changed in: ubuntu-z-systems
Importance: Undecided => Medium
** Changed in: ubuntu-z-systems
Importance: Medium => High
** Changed in: ubuntu-z-systems
Assignee: (unassigned) => Skipper Bug Screeners (skipper-screen-team)
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https://bugs.launchpad.net/bugs/2139685
Title:
multipath error during installation on 24.04 daily
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