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

Bug #1840122 reported by Jean-Baptiste Lallement on 2019-08-14
8
This bug affects 1 person
Affects Status Importance Assigned to Milestone
casper (Ubuntu)
High
Unassigned
linux (Ubuntu)
High
Unassigned

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.

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

Jean-Baptiste Lallement (jibel) wrote :
Changed in casper (Ubuntu):
importance: Undecided → High
status: New → Confirmed
description: updated
tags: added: rls-ee-incoming
description: updated
Jean-Baptiste Lallement (jibel) wrote :

Diff between the manifests of 20190715 and 20190716.

There are 2 suspects from this list:
casper 1.413 (from 1.4.11)
linux-image 5.2.0-8.9 (from 5.0.0-20.21

Changed in linux (Ubuntu):
importance: Undecided → High

This bug is missing log files that will aid in diagnosing the problem. While running an Ubuntu kernel (not a mainline or third-party kernel) please enter the following command in a terminal window:

apport-collect 1840122

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable to run this command, please add a comment stating that fact and change the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the Ubuntu Kernel Team.

Changed in linux (Ubuntu):
status: New → Incomplete

apport information

tags: added: apport-collected
description: updated

apport information

apport information

description: updated

apport information

apport information

description: updated

apport information

apport information

apport information

apport information

apport information

apport information

apport information

apport information

apport information

apport information

apport information

apport information

Changed in linux (Ubuntu):
status: Incomplete → Confirmed
summary: - System fails to reboot from live session or ubiquity-dm
+ System fails to reboot from live session or ubiquity-dm -
+ squashfs_read_data failed to read block

I had a look at this and got pretty confused! Feels more like a kernel problem than a casper one, somehow.

tags: added: id-5d557981385f317578944153
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