Public bug reported:
Installing Lubuntu Resolute daily ISO dated 04-02-2026
Test machine: ASUS Pro H610M-C i7-12700 Motherboard,32GB,Intel UHDGraphics
770,Intel 219-V GB Ethernet,1TB Intel SSD
Testcase:BIOS,no encryption,full disk with swap file,Internet - run in
VirtualBox
The installation fails and reverts to desktop when it reaches the stage
"running mount operation"
Also noted that on the desktop after failure was an icon that stated "
"Install Lubuntu 25.10"
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: calamares 3.3.14-0ubuntu15
ProcVersionSignature: Ubuntu 6.18.0-9.9-generic 6.18.5
Uname: Linux 6.18.0-9-generic x86_64
.etc.calamares.modules.finished.conf:
---
restartNowMode: user-checked
restartNowCommand: "systemctl -i reboot"
.etc.calamares.modules.fstab.conf:
crypttabOptions: luks,keyscript=/bin/cat
efiMountOptions: umask=0077
.etc.calamares.modules.shellprocess_logs.conf:
---
dontChroot: true
timeout: 30
script:
- calamares-logs-helper ${ROOT}
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 25.10.2build1
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
CurrentDesktop: LXQt
Date: Thu Feb 5 10:23:07 2026
LiveMediaBuild: Lubuntu 26.04 LTS "Resolute Raccoon" - Daily amd64 (20260204)
RelatedPackageVersions:
calamares-settings-ubuntu-common 1:26.04.2
calamares-settings-lubuntu 1:26.04.2
xfsprogs 6.18.0-3
btrfs-progs 6.17.1-1
SourcePackage: calamares
UpgradeStatus: No upgrade log present (probably fresh install)
** Affects: calamares (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug resolute
** Description changed:
Installing Lubuntu Resolute daily ISO dated 04-02-2026
- Test machine:
+ Test machine: ASUS Pro H610M-C i7-12700 Motherboard,32GB,Intel UHDGraphics
770,Intel 219-V GB Ethernet,1TB Intel SSD
+ Testcase:BIOS,no encryption,full disk with swap file,Internet - run in
VirtualBox
-
- The installation fails and reverts to desktop when it reaches the stage
"running mount operation"
+ The installation fails and reverts to desktop when it reaches the stage
+ "running mount operation"
Also noted that on the desktop after failure was an icon that stated "
- "Install Lubuntu 25.10"
+ "Install Lubuntu 25.10"
ProblemType: Bug
DistroRelease: Ubuntu 26.04
Package: calamares 3.3.14-0ubuntu15
ProcVersionSignature: Ubuntu 6.18.0-9.9-generic 6.18.5
Uname: Linux 6.18.0-9-generic x86_64
.etc.calamares.modules.finished.conf:
- ---
- restartNowMode: user-checked
- restartNowCommand: "systemctl -i reboot"
+ ---
+ restartNowMode: user-checked
+ restartNowCommand: "systemctl -i reboot"
.etc.calamares.modules.fstab.conf:
- crypttabOptions: luks,keyscript=/bin/cat
- efiMountOptions: umask=0077
+ crypttabOptions: luks,keyscript=/bin/cat
+ efiMountOptions: umask=0077
.etc.calamares.modules.shellprocess_logs.conf:
- ---
- dontChroot: true
- timeout: 30
- script:
- - calamares-logs-helper ${ROOT}
+ ---
+ dontChroot: true
+ timeout: 30
+ script:
+ - calamares-logs-helper ${ROOT}
ApportVersion: 2.33.1-0ubuntu3
Architecture: amd64
CasperMD5CheckResult: pass
CasperVersion: 25.10.2build1
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud)
CurrentDesktop: LXQt
Date: Thu Feb 5 10:23:07 2026
LiveMediaBuild: Lubuntu 26.04 LTS "Resolute Raccoon" - Daily amd64 (20260204)
RelatedPackageVersions:
- calamares-settings-ubuntu-common 1:26.04.2
- calamares-settings-lubuntu 1:26.04.2
- xfsprogs 6.18.0-3
- btrfs-progs 6.17.1-1
+ calamares-settings-ubuntu-common 1:26.04.2
+ calamares-settings-lubuntu 1:26.04.2
+ xfsprogs 6.18.0-3
+ btrfs-progs 6.17.1-1
SourcePackage: calamares
UpgradeStatus: No upgrade log present (probably fresh install)
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https://bugs.launchpad.net/bugs/2140539
Title:
calamares installation fails when running mount operation
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