[Bug 1859858] [NEW] udev has truncated ID_SERIAL value for scsi disk

Ryan Harper 1859858 at bugs.launchpad.net
Wed Jan 15 18:29:19 UTC 2020 

Public bug reported:

1. 
root at ubuntu:/home/ubuntu# cat /etc/cloud/build.info 
build_name: server
serial: 20200106
root at ubuntu:/home/ubuntu# lsb_release -rd
Description:    Ubuntu Focal Fossa (development branch)
Release:        20.04

2. 
root at ubuntu:/home/ubuntu# apt-cache policy systemd
systemd:
  Installed: 244-3ubuntu1
  Candidate: 244-3ubuntu1
  Version table:
 *** 244-3ubuntu1 500
        500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
        100 /var/lib/dpkg/status

3. ID_SERIAL value should be 322dc58dc023c7008
4. ID_SERIAL value is 3

--
Launching a qemu VM with the same extra scsi disk like so:

-drive file=extra_disk_1.img,id=drv4,if=none,format=raw,index=4,cache=unsafe \
-device scsi-hd,drive=drv4,serial=0x22dc58dc023c7008,wwn=0x22dc58dc023c7008

On Focal udevadm info output:
root at ubuntu:/home/ubuntu# udevadm info --query=property /dev/sdc 
DEVPATH=/devices/pci0000:00/0000:00:03.0/virtio0/host2/target2:0:2/2:0:2:0/block/sdc
DEVNAME=/dev/sdc
DEVTYPE=disk
MAJOR=8
MINOR=32
SUBSYSTEM=block
USEC_INITIALIZED=1497555
SCSI_TPGS=0
SCSI_TYPE=disk
SCSI_VENDOR=QEMU
SCSI_VENDOR_ENC=QEMU\x20\x20\x20\x20
SCSI_MODEL=QEMU_HARDDISK
SCSI_MODEL_ENC=QEMU\x20HARDDISK\x20\x20\x20
SCSI_REVISION=2.5+
ID_SCSI=1
ID_SCSI_INQUIRY=1
ID_VENDOR=QEMU
ID_VENDOR_ENC=QEMU\x20\x20\x20\x20
ID_MODEL=QEMU_HARDDISK
ID_MODEL_ENC=QEMU\x20HARDDISK\x20\x20\x20
ID_REVISION=2.5+
ID_TYPE=disk
SCSI_IDENT_SERIAL=0x22dc58dc023c7008
SCSI_IDENT_LUN_VENDOR=0x22dc58dc023c7008
SCSI_IDENT_LUN_NAA_EXT=22dc58dc023c7008
ID_WWN=0x22dc58dc023c7008
ID_WWN_WITH_EXTENSION=0x22dc58dc023c7008
ID_BUS=scsi
ID_SERIAL=3
ID_SERIAL_SHORT=22dc58dc023c7008
MPATH_SBIN_PATH=/sbin
DM_MULTIPATH_DEVICE_PATH=0
ID_PATH=pci-0000:00:03.0-scsi-0:0:2:0
ID_PATH_TAG=pci-0000_00_03_0-scsi-0_0_2_0
ID_FS_UUID=b20cf5c1-15ae-48a7-a5d9-dfcfd37df494
ID_FS_UUID_ENC=b20cf5c1-15ae-48a7-a5d9-dfcfd37df494
ID_FS_UUID_SUB=e06d861c-c6e2-497c-b14f-265ae37060e2
ID_FS_UUID_SUB_ENC=e06d861c-c6e2-497c-b14f-265ae37060e2
ID_FS_TYPE=btrfs
ID_FS_USAGE=filesystem
ID_BTRFS_READY=1
DEVLINKS=/dev/disk/by-id/scsi-3 /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_0x22dc58dc023c7008 /dev/disk/by-path/pci-0000:00:03.0-scsi-0:0:2:0 /dev/disk/by-id/wwn-0x22dc58dc023c7008 /dev/disk/by-id/scsi-SQEMU_QEMU_HARDDISK_0x22dc58dc023c7008 /dev/disk/by-uuid/b20cf5c1-15ae-48a7-a5d9-dfcfd37df494 /dev/disk/by-id/scsi-322dc58dc023c7008
TAGS=:systemd:

On Bionic:
root at ubuntu:~# cat /etc/cloud/build.info 
build_name: server
serial: 20200112
root at ubuntu:~# lsb_release -rd
Description:    Ubuntu 18.04.3 LTS
Release:        18.04
root at ubuntu:~# apt-cache policy systemd
systemd:
  Installed: 237-3ubuntu10.33
  Candidate: 237-3ubuntu10.33
  Version table:
 *** 237-3ubuntu10.33 500
        500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
        100 /var/lib/dpkg/status
     237-3ubuntu10.29 500
        500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
     237-3ubuntu10 500
        500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
root at ubuntu:~# udevadm info --query=property /dev/sdc 
DEVLINKS=/dev/disk/by-uuid/13a8a15f-4f6b-4904-b307-339b825c445b /dev/disk/by-path/pci-0000:00:03.0-scsi-0:0:2:0 /dev/disk/by-id/wwn-0x22dc58dc023c7008 /dev/disk/by-id/scsi-322dc58dc023c7008
DEVNAME=/dev/sdc
DEVPATH=/devices/pci0000:00/0000:00:03.0/virtio0/host2/target2:0:2/2:0:2:0/block/sdc
DEVTYPE=disk
ID_BTRFS_READY=1
ID_BUS=scsi
ID_FS_TYPE=btrfs
ID_FS_USAGE=filesystem
ID_FS_UUID=13a8a15f-4f6b-4904-b307-339b825c445b
ID_FS_UUID_ENC=13a8a15f-4f6b-4904-b307-339b825c445b
ID_FS_UUID_SUB=81178585-f7c0-429a-b02d-aeb2f245342c
ID_FS_UUID_SUB_ENC=81178585-f7c0-429a-b02d-aeb2f245342c
ID_MODEL=QEMU_HARDDISK
ID_MODEL_ENC=QEMU\x20HARDDISK\x20\x20\x20
ID_PATH=pci-0000:00:03.0-scsi-0:0:2:0
ID_PATH_TAG=pci-0000_00_03_0-scsi-0_0_2_0
ID_REVISION=2.5+
ID_SCSI=1
ID_SCSI_SERIAL=0x22dc58dc023c7008
ID_SERIAL=322dc58dc023c7008
ID_SERIAL_SHORT=22dc58dc023c7008
ID_TYPE=disk
ID_VENDOR=QEMU
ID_VENDOR_ENC=QEMU\x20\x20\x20\x20
ID_WWN=0x22dc58dc023c7008
ID_WWN_WITH_EXTENSION=0x22dc58dc023c7008
MAJOR=8
MINOR=32
SUBSYSTEM=block
TAGS=:systemd:
USEC_INITIALIZED=2069797

ProblemType: Bug
DistroRelease: Ubuntu 20.04
Package: udev 244-3ubuntu1
ProcVersionSignature: Ubuntu 5.3.0-24.26-lowlatency 5.3.10
Uname: Linux 5.3.0-24-lowlatency x86_64
NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
ApportVersion: 2.20.11-0ubuntu15
Architecture: amd64
Date: Wed Jan 15 18:17:35 2020
Lsusb: Error: command ['lsusb'] failed with exit code 1:
Lsusb-t:
 
Lsusb-v: Error: command ['lsusb', '-v'] failed with exit code 1:
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 LANG=C.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: root=squash:http://10.245.168.20:41815/root/squashfs ds=nocloud-net;seedfrom=http://10.245.168.20:41815/ console=ttyS0  overlayroot=tmpfs ro --- systemd.mask=snapd.seeded.service systemd.mask=snapd.service ip=:::::BOOTIF:dhcp BOOTIF=01-52-54-00-12-34-01
SourcePackage: systemd
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/01/2014
dmi.bios.vendor: SeaBIOS
dmi.bios.version: 1.13.0-1
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-i440fx-eoan
dmi.modalias: dmi:bvnSeaBIOS:bvr1.13.0-1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-eoan:cvnQEMU:ct1:cvrpc-i440fx-eoan:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.version: pc-i440fx-eoan
dmi.sys.vendor: QEMU

** Affects: systemd (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: systemd (Ubuntu Focal)
     Importance: Undecided
         Status: New


** Tags: amd64 apport-bug focal uec-images

** Also affects: systemd (Ubuntu Focal)
   Importance: Undecided
       Status: New

-- 
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https://bugs.launchpad.net/bugs/1859858

Title:
  udev has truncated  ID_SERIAL value for scsi disk

Status in systemd package in Ubuntu:
  New
Status in systemd source package in Focal:
  New

Bug description:
  1. 
  root at ubuntu:/home/ubuntu# cat /etc/cloud/build.info 
  build_name: server
  serial: 20200106
  root at ubuntu:/home/ubuntu# lsb_release -rd
  Description:    Ubuntu Focal Fossa (development branch)
  Release:        20.04

  2. 
  root at ubuntu:/home/ubuntu# apt-cache policy systemd
  systemd:
    Installed: 244-3ubuntu1
    Candidate: 244-3ubuntu1
    Version table:
   *** 244-3ubuntu1 500
          500 http://archive.ubuntu.com/ubuntu focal/main amd64 Packages
          100 /var/lib/dpkg/status

  3. ID_SERIAL value should be 322dc58dc023c7008
  4. ID_SERIAL value is 3

  --
  Launching a qemu VM with the same extra scsi disk like so:

  -drive file=extra_disk_1.img,id=drv4,if=none,format=raw,index=4,cache=unsafe \
  -device scsi-hd,drive=drv4,serial=0x22dc58dc023c7008,wwn=0x22dc58dc023c7008

  On Focal udevadm info output:
  root at ubuntu:/home/ubuntu# udevadm info --query=property /dev/sdc 
  DEVPATH=/devices/pci0000:00/0000:00:03.0/virtio0/host2/target2:0:2/2:0:2:0/block/sdc
  DEVNAME=/dev/sdc
  DEVTYPE=disk
  MAJOR=8
  MINOR=32
  SUBSYSTEM=block
  USEC_INITIALIZED=1497555
  SCSI_TPGS=0
  SCSI_TYPE=disk
  SCSI_VENDOR=QEMU
  SCSI_VENDOR_ENC=QEMU\x20\x20\x20\x20
  SCSI_MODEL=QEMU_HARDDISK
  SCSI_MODEL_ENC=QEMU\x20HARDDISK\x20\x20\x20
  SCSI_REVISION=2.5+
  ID_SCSI=1
  ID_SCSI_INQUIRY=1
  ID_VENDOR=QEMU
  ID_VENDOR_ENC=QEMU\x20\x20\x20\x20
  ID_MODEL=QEMU_HARDDISK
  ID_MODEL_ENC=QEMU\x20HARDDISK\x20\x20\x20
  ID_REVISION=2.5+
  ID_TYPE=disk
  SCSI_IDENT_SERIAL=0x22dc58dc023c7008
  SCSI_IDENT_LUN_VENDOR=0x22dc58dc023c7008
  SCSI_IDENT_LUN_NAA_EXT=22dc58dc023c7008
  ID_WWN=0x22dc58dc023c7008
  ID_WWN_WITH_EXTENSION=0x22dc58dc023c7008
  ID_BUS=scsi
  ID_SERIAL=3
  ID_SERIAL_SHORT=22dc58dc023c7008
  MPATH_SBIN_PATH=/sbin
  DM_MULTIPATH_DEVICE_PATH=0
  ID_PATH=pci-0000:00:03.0-scsi-0:0:2:0
  ID_PATH_TAG=pci-0000_00_03_0-scsi-0_0_2_0
  ID_FS_UUID=b20cf5c1-15ae-48a7-a5d9-dfcfd37df494
  ID_FS_UUID_ENC=b20cf5c1-15ae-48a7-a5d9-dfcfd37df494
  ID_FS_UUID_SUB=e06d861c-c6e2-497c-b14f-265ae37060e2
  ID_FS_UUID_SUB_ENC=e06d861c-c6e2-497c-b14f-265ae37060e2
  ID_FS_TYPE=btrfs
  ID_FS_USAGE=filesystem
  ID_BTRFS_READY=1
  DEVLINKS=/dev/disk/by-id/scsi-3 /dev/disk/by-id/scsi-0QEMU_QEMU_HARDDISK_0x22dc58dc023c7008 /dev/disk/by-path/pci-0000:00:03.0-scsi-0:0:2:0 /dev/disk/by-id/wwn-0x22dc58dc023c7008 /dev/disk/by-id/scsi-SQEMU_QEMU_HARDDISK_0x22dc58dc023c7008 /dev/disk/by-uuid/b20cf5c1-15ae-48a7-a5d9-dfcfd37df494 /dev/disk/by-id/scsi-322dc58dc023c7008
  TAGS=:systemd:

  On Bionic:
  root at ubuntu:~# cat /etc/cloud/build.info 
  build_name: server
  serial: 20200112
  root at ubuntu:~# lsb_release -rd
  Description:    Ubuntu 18.04.3 LTS
  Release:        18.04
  root at ubuntu:~# apt-cache policy systemd
  systemd:
    Installed: 237-3ubuntu10.33
    Candidate: 237-3ubuntu10.33
    Version table:
   *** 237-3ubuntu10.33 500
          500 http://archive.ubuntu.com/ubuntu bionic-updates/main amd64 Packages
          100 /var/lib/dpkg/status
       237-3ubuntu10.29 500
          500 http://security.ubuntu.com/ubuntu bionic-security/main amd64 Packages
       237-3ubuntu10 500
          500 http://archive.ubuntu.com/ubuntu bionic/main amd64 Packages
  root at ubuntu:~# udevadm info --query=property /dev/sdc 
  DEVLINKS=/dev/disk/by-uuid/13a8a15f-4f6b-4904-b307-339b825c445b /dev/disk/by-path/pci-0000:00:03.0-scsi-0:0:2:0 /dev/disk/by-id/wwn-0x22dc58dc023c7008 /dev/disk/by-id/scsi-322dc58dc023c7008
  DEVNAME=/dev/sdc
  DEVPATH=/devices/pci0000:00/0000:00:03.0/virtio0/host2/target2:0:2/2:0:2:0/block/sdc
  DEVTYPE=disk
  ID_BTRFS_READY=1
  ID_BUS=scsi
  ID_FS_TYPE=btrfs
  ID_FS_USAGE=filesystem
  ID_FS_UUID=13a8a15f-4f6b-4904-b307-339b825c445b
  ID_FS_UUID_ENC=13a8a15f-4f6b-4904-b307-339b825c445b
  ID_FS_UUID_SUB=81178585-f7c0-429a-b02d-aeb2f245342c
  ID_FS_UUID_SUB_ENC=81178585-f7c0-429a-b02d-aeb2f245342c
  ID_MODEL=QEMU_HARDDISK
  ID_MODEL_ENC=QEMU\x20HARDDISK\x20\x20\x20
  ID_PATH=pci-0000:00:03.0-scsi-0:0:2:0
  ID_PATH_TAG=pci-0000_00_03_0-scsi-0_0_2_0
  ID_REVISION=2.5+
  ID_SCSI=1
  ID_SCSI_SERIAL=0x22dc58dc023c7008
  ID_SERIAL=322dc58dc023c7008
  ID_SERIAL_SHORT=22dc58dc023c7008
  ID_TYPE=disk
  ID_VENDOR=QEMU
  ID_VENDOR_ENC=QEMU\x20\x20\x20\x20
  ID_WWN=0x22dc58dc023c7008
  ID_WWN_WITH_EXTENSION=0x22dc58dc023c7008
  MAJOR=8
  MINOR=32
  SUBSYSTEM=block
  TAGS=:systemd:
  USEC_INITIALIZED=2069797

  ProblemType: Bug
  DistroRelease: Ubuntu 20.04
  Package: udev 244-3ubuntu1
  ProcVersionSignature: Ubuntu 5.3.0-24.26-lowlatency 5.3.10
  Uname: Linux 5.3.0-24-lowlatency x86_64
  NonfreeKernelModules: zfs zunicode zavl icp zcommon znvpair
  ApportVersion: 2.20.11-0ubuntu15
  Architecture: amd64
  Date: Wed Jan 15 18:17:35 2020
  Lsusb: Error: command ['lsusb'] failed with exit code 1:
  Lsusb-t:
   
  Lsusb-v: Error: command ['lsusb', '-v'] failed with exit code 1:
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcKernelCmdLine: root=squash:http://10.245.168.20:41815/root/squashfs ds=nocloud-net;seedfrom=http://10.245.168.20:41815/ console=ttyS0  overlayroot=tmpfs ro --- systemd.mask=snapd.seeded.service systemd.mask=snapd.service ip=:::::BOOTIF:dhcp BOOTIF=01-52-54-00-12-34-01
  SourcePackage: systemd
  UpgradeStatus: No upgrade log present (probably fresh install)
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: 1.13.0-1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-eoan
  dmi.modalias: dmi:bvnSeaBIOS:bvr1.13.0-1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-eoan:cvnQEMU:ct1:cvrpc-i440fx-eoan:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-eoan
  dmi.sys.vendor: QEMU

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