[Bug 1840122] Re: System fails to reboot from live session or ubiquity-dm - squashfs_read_data failed to read block

Richard Vajdel 1840122 at bugs.launchpad.net
Wed Sep 18 16:15:51 UTC 2019 

I tested it with the current iso (2019-09-17).

1. Booted into live session
2. Waited for 30 minutes
3. Restarted via System menu
4. Restart of the system was successful without any error

Can anybody test it and verify it if it works for them too?

Thanks

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https://bugs.launchpad.net/bugs/1840122

Title:
  System fails to reboot from live session or ubiquity-dm -
  squashfs_read_data failed to read block

Status in casper package in Ubuntu:
  Confirmed
Status in linux package in Ubuntu:
  Confirmed
Status in casper source package in Eoan:
  Confirmed
Status in linux source package in Eoan:
  Confirmed

Bug description:
  Last known good image: Eoan Ubuntu Desktop 20190715

  Test Case:
  1. Boot eoan desktop to a live session
  2. Wait a couple of minutes until snapd settles
  3. Reboot the system from the system menu or from the command line

  Expected result:
  The system reboots

  Actual result:
  The systems fails to reboot or shutdown and displays some errors about failing to unmount /cdrom and squashfs errors in a loop.

  Unmounting /cdrom...
  [FAILED] Failed unmounting /cdrom.
  [  OK  ] Started Shuts down the "li…" preinstalled system cleanly.
  [  OK  ] Reached target Final Step.
  [  OK  ] Started Reboot.
  [  OK  ] Reached target Reboot.
  [  115.744188] print_req_error: I/O error, dev sr0, sector 1508872 flags 80700
  [  115.768139] print_req_error: I/O error, dev sr0, sector 1508872 flags 0
  [  115.771469] print_req_error: I/O error, dev loop0, sector 1501550 flags 0
  [  115.775824] SQUASHFS error: squashfs_read_data failed to read block 0x2dd2d998

  This also causes daily tests to fail and is reproducible in a VM and
  bare metal booted in legacy bios mode

  ProblemType: Bug
  DistroRelease: Ubuntu 19.10
  Package: casper 1.414
  ProcVersionSignature: Ubuntu 5.2.0-10.11-generic 5.2.4
  Uname: Linux 5.2.0-10-generic x86_64
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.414
  CurrentDesktop: ubuntu:GNOME
  Date: Wed Aug 14 08:31:30 2019
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190813)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  SourcePackage: casper
  UpgradeStatus: No upgrade log present (probably fresh install)
  ---
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  CasperVersion: 1.414
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 19.10
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190814)
  Package: linux
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcVersionSignature: Ubuntu 5.2.0-10.11-generic 5.2.4
  Tags:  eoan
  Uname: Linux 5.2.0-10-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  ---
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1788 F.... pulseaudio
  CasperVersion: 1.414
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 19.10
  IwConfig:
   lo        no wireless extensions.

   ens3      no wireless extensions.
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190814)
  Lsusb:
   Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  Package: linux (not installed)
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 qxldrmfb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed initrd=/casper/initrd ---  keyboard-configuration/layoutcode=fr keyboard-configuration/variantcode=oss
  ProcVersionSignature: Ubuntu 5.2.0-10.11-generic 5.2.4
  RelatedPackageVersions:
   linux-restricted-modules-5.2.0-10-generic N/A
   linux-backports-modules-5.2.0-10-generic  N/A
   linux-firmware                            1.181
  RfKill:

  Tags:  eoan
  Uname: Linux 5.2.0-10-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: 1.12.0-1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-disco
  dmi.modalias: dmi:bvnSeaBIOS:bvr1.12.0-1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-disco:cvnQEMU:ct1:cvrpc-i440fx-disco:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-disco
  dmi.sys.vendor: QEMU
  ---
  ProblemType: Bug
  ApportVersion: 2.20.11-0ubuntu7
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  ubuntu     1788 F.... pulseaudio
  CasperVersion: 1.414
  CurrentDesktop: ubuntu:GNOME
  DistroRelease: Ubuntu 19.10
  IwConfig:
   lo        no wireless extensions.

   ens3      no wireless extensions.
  LiveMediaBuild: Ubuntu 19.10 "Eoan Ermine" - Alpha amd64 (20190814)
  Lsusb:
   Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd QEMU USB Tablet
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
   Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
   Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
  MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
  Package: linux-image-5.2.0-10-generic 5.2.0-10.11
  PackageArchitecture: amd64
  ProcEnviron:
   TERM=xterm-256color
   PATH=(custom, no user)
   XDG_RUNTIME_DIR=<set>
   LANG=C.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 qxldrmfb
  ProcKernelCmdLine: file=/cdrom/preseed/username.seed initrd=/casper/initrd ---  keyboard-configuration/layoutcode=fr keyboard-configuration/variantcode=oss
  ProcVersionSignature: Ubuntu 5.2.0-10.11-generic 5.2.4
  RelatedPackageVersions:
   linux-restricted-modules-5.2.0-10-generic N/A
   linux-backports-modules-5.2.0-10-generic  N/A
   linux-firmware                            1.181
  RfKill:

  Tags:  eoan
  Uname: Linux 5.2.0-10-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 04/01/2014
  dmi.bios.vendor: SeaBIOS
  dmi.bios.version: 1.12.0-1
  dmi.chassis.type: 1
  dmi.chassis.vendor: QEMU
  dmi.chassis.version: pc-i440fx-disco
  dmi.modalias: dmi:bvnSeaBIOS:bvr1.12.0-1:bd04/01/2014:svnQEMU:pnStandardPC(i440FX+PIIX,1996):pvrpc-i440fx-disco:cvnQEMU:ct1:cvrpc-i440fx-disco:
  dmi.product.name: Standard PC (i440FX + PIIX, 1996)
  dmi.product.version: pc-i440fx-disco
  dmi.sys.vendor: QEMU

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