Public bug reported:
Wrong message "Value out of range".
sdd6 created ok with default last sector, but "Value out of range" when I input
size "+16G".
As result: sdd5 and sdd6 _is_equal_size_ in sectors, sdd5 created with "+16G"
and sdd6 only with default last sector.
...
Device Start End Sectors Size Type
/dev/sdd1 2048 1050623 1048576 512M EFI System
/dev/sdd2 1050624 5244927 4194304 2G Linux filesystem
/dev/sdd3 5244928 34605055 29360128 14G Linux filesystem
/dev/sdd4 34605056 47187967 12582912 6G Linux filesystem
/dev/sdd7 114296832 1953499135 1839202304 877G Linux RAID
Command (m for help): n
Partition number (5,6,8-128, default 5):
First sector (47187968-1953525134, default 47187968):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (47187968-114296831, default
114296831): +16G
Created a new partition 5 of type 'Linux filesystem' and of size 16 GiB.
Command (m for help): n
Partition number (6,8-128, default 6):
First sector (80742400-1953525134, default 80742400):
Last sector, +/-sectors or +/-size{K,M,G,T,P} (80742400-114296831, default
114296831): +16G
Value out of range.
Last sector, +/-sectors or +/-size{K,M,G,T,P} (80742400-114296831, default
114296831):
Created a new partition 6 of type 'Linux filesystem' and of size 16 GiB.
Command (m for help): p
Disk /dev/sdd: 931.51 GiB, 1000204886016 bytes, 1953525168 sectors
Disk model: WDC WD1005FBYZ-0
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disklabel type: gpt
Disk identifier: D0916A3A-53C4-2A48-93FC-2B1970AE79D5
Device Start End Sectors Size Type
/dev/sdd1 2048 1050623 1048576 512M EFI System
/dev/sdd2 1050624 5244927 4194304 2G Linux filesystem
/dev/sdd3 5244928 34605055 29360128 14G Linux filesystem
/dev/sdd4 34605056 47187967 12582912 6G Linux filesystem
/dev/sdd5 47187968 80742399 33554432 16G Linux filesystem
/dev/sdd6 80742400 114296831 33554432 16G Linux filesystem
/dev/sdd7 114296832 1953499135 1839202304 877G Linux RAID
ProblemType: Bug
DistroRelease: Ubuntu 24.04
Package: fdisk 2.39.3-9ubuntu6.5
ProcVersionSignature: Ubuntu 6.8.0-117.117-generic 6.8.12
Uname: Linux 6.8.0-117-generic x86_64
ApportVersion: 2.28.1-0ubuntu3.8
Architecture: amd64
CasperMD5CheckResult: pass
CloudArchitecture: x86_64
CloudID: nocloud
CloudName: unknown
CloudPlatform: nocloud
CloudSubPlatform: seed-dir (/var/lib/cloud/seed/nocloud-net)
Date: Wed Jun 3 10:06:28 2026
InstallationDate: Installed on 2020-04-14 (2241 days ago)
InstallationMedia: Ubuntu-Server 20.04 LTS "Focal Fossa" - Beta amd64 (20200413)
RebootRequiredPkgs: Error: path contained symlinks.
SourcePackage: util-linux
UpgradeStatus: Upgraded to noble on 2026-01-02 (152 days ago)
** Affects: util-linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug noble
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https://bugs.launchpad.net/bugs/2155099
Title:
bad math with disk sectors when creating partition in fdisk
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