Public bug reported:
My Ubuntu VM started to boot very slowly immediately after it has been
upgraded to linux 4.15.0-24. So it seems it is a regression. With
4.15.0-23 it boots normally.
~$ uname -a
Linux 1C-Q35 4.15.0-24-generic #26-Ubuntu SMP Wed Jun 13 08:44:47 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
~$ cat /proc/version_signature
Ubuntu 4.15.0-24.26-generic 4.15.18
~$ systemd-analyze blame
11min 41.457s plymouth-quit-wait.service
5.684s srv1cv83.service
1.601s networkd-dispatcher.service
1.491s NetworkManager.service
1.336s udisks2.service
1.295s ModemManager.service
1.255s accounts-daemon.service
1.121s thermald.service
1.082s grub-common.service
~$ systemd-analyze critical-chain
The time after the unit is active or started is printed after the "@" character.
The time the unit takes to start is printed after the "+" character.
graphical.target @11min 43.954s
└─multi-user.target @11min 43.954s
└─anacron.service @8min 58.982s
└─basic.target @912ms
└─paths.target @912ms
└─cups.path @912ms
└─sysinit.target @909ms
└─apparmor.service @471ms +438ms
└─local-fs.target @462ms
└─run-user-1001-gvfs.mount @11min 24.915s
└─run-user-1001.mount @3.021s
└─swap.target @395ms
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.swap
@378ms +16ms
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.device
@378ms
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-24-generic 4.15.0-24.26
ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
Uname: Linux 4.15.0-24-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: accountant 1136 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul 4 23:17:49 2018
HibernationDevice: RESUME=UUID=82c9d942-61f4-42fc-bddc-fdb02217509d
InstallationDate: Installed on 2018-06-05 (29 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
IwConfig:
lo no wireless extensions.
enp1s0 no wireless extensions.
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
ProcFB: 0 qxldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.15.0-24-generic
root=UUID=959b7c8f-048c-4d32-b999-f00713e22153 ro rootflags=subvol=@ quiet
splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-24-generic N/A
linux-backports-modules-4.15.0-24-generic N/A
linux-firmware 1.173.1
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 02/06/2015
dmi.bios.vendor: EFI Development Kit II / OVMF
dmi.bios.version: 0.0.0
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-q35-2.11
dmi.modalias:
dmi:bvnEFIDevelopmentKitII/OVMF:bvr0.0.0:bd02/06/2015:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-2.11:cvnQEMU:ct1:cvrpc-q35-2.11:
dmi.product.name: Standard PC (Q35 + ICH9, 2009)
dmi.product.version: pc-q35-2.11
dmi.sys.vendor: QEMU
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Confirmed
** Tags: amd64 apport-bug bionic
** Description changed:
- Ubuntu started to boot very slowly immediately after it has been
+ My Ubuntu VM started to boot very slowly immediately after it has been
upgraded to linux 4.15.0-24. So it seems it is a regression. With
4.15.0-23 it boots normally.
~$ uname -a
Linux 1C-Q35 4.15.0-24-generic #26-Ubuntu SMP Wed Jun 13 08:44:47 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
~$ cat /proc/version_signature
Ubuntu 4.15.0-24.26-generic 4.15.18
~$ systemd-analyze blame
- 11min 41.457s plymouth-quit-wait.service
- 5.684s srv1cv83.service
- 1.601s networkd-dispatcher.service
- 1.491s NetworkManager.service
- 1.336s udisks2.service
- 1.295s ModemManager.service
- 1.255s accounts-daemon.service
- 1.121s thermald.service
- 1.082s grub-common.service
+ 11min 41.457s plymouth-quit-wait.service
+ 5.684s srv1cv83.service
+ 1.601s networkd-dispatcher.service
+ 1.491s NetworkManager.service
+ 1.336s udisks2.service
+ 1.295s ModemManager.service
+ 1.255s accounts-daemon.service
+ 1.121s thermald.service
+ 1.082s grub-common.service
-
- ~$ systemd-analyze critical-chain
+ ~$ systemd-analyze critical-chain
The time after the unit is active or started is printed after the "@"
character.
The time the unit takes to start is printed after the "+" character.
graphical.target @11min 43.954s
└─multi-user.target @11min 43.954s
- └─anacron.service @8min 58.982s
- └─basic.target @912ms
- └─paths.target @912ms
- └─cups.path @912ms
- └─sysinit.target @909ms
- └─apparmor.service @471ms +438ms
- └─local-fs.target @462ms
- └─run-user-1001-gvfs.mount @11min 24.915s
- └─run-user-1001.mount @3.021s
- └─swap.target @395ms
-
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.swap
@378ms +16ms
-
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.device
@378ms
+ └─anacron.service @8min 58.982s
+ └─basic.target @912ms
+ └─paths.target @912ms
+ └─cups.path @912ms
+ └─sysinit.target @909ms
+ └─apparmor.service @471ms +438ms
+ └─local-fs.target @462ms
+ └─run-user-1001-gvfs.mount @11min 24.915s
+ └─run-user-1001.mount @3.021s
+ └─swap.target @395ms
+
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.swap
@378ms +16ms
+
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.device
@378ms
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-24-generic 4.15.0-24.26
ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
Uname: Linux 4.15.0-24-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
- USER PID ACCESS COMMAND
- /dev/snd/controlC0: accountant 1136 F.... pulseaudio
+ USER PID ACCESS COMMAND
+ /dev/snd/controlC0: accountant 1136 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul 4 23:17:49 2018
HibernationDevice: RESUME=UUID=82c9d942-61f4-42fc-bddc-fdb02217509d
InstallationDate: Installed on 2018-06-05 (29 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
IwConfig:
- lo no wireless extensions.
-
- enp1s0 no wireless extensions.
+ lo no wireless extensions.
+
+ enp1s0 no wireless extensions.
Lsusb:
- Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
- Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd
- Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
+ Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
+ Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd
+ Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
ProcFB: 0 qxldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.15.0-24-generic
root=UUID=959b7c8f-048c-4d32-b999-f00713e22153 ro rootflags=subvol=@ quiet
splash vt.handoff=1
RelatedPackageVersions:
- linux-restricted-modules-4.15.0-24-generic N/A
- linux-backports-modules-4.15.0-24-generic N/A
- linux-firmware 1.173.1
+ linux-restricted-modules-4.15.0-24-generic N/A
+ linux-backports-modules-4.15.0-24-generic N/A
+ linux-firmware 1.173.1
RfKill:
-
+
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
-
+
dmi.bios.date: 02/06/2015
dmi.bios.vendor: EFI Development Kit II / OVMF
dmi.bios.version: 0.0.0
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-q35-2.11
dmi.modalias:
dmi:bvnEFIDevelopmentKitII/OVMF:bvr0.0.0:bd02/06/2015:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-2.11:cvnQEMU:ct1:cvrpc-q35-2.11:
dmi.product.name: Standard PC (Q35 + ICH9, 2009)
dmi.product.version: pc-q35-2.11
dmi.sys.vendor: QEMU
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https://bugs.launchpad.net/bugs/1780155
Title:
[regression] Ubuntu boots very slowly after kernel upgrading
Status in linux package in Ubuntu:
Confirmed
Bug description:
My Ubuntu VM started to boot very slowly immediately after it has been
upgraded to linux 4.15.0-24. So it seems it is a regression. With
4.15.0-23 it boots normally.
~$ uname -a
Linux 1C-Q35 4.15.0-24-generic #26-Ubuntu SMP Wed Jun 13 08:44:47 UTC 2018
x86_64 x86_64 x86_64 GNU/Linux
~$ cat /proc/version_signature
Ubuntu 4.15.0-24.26-generic 4.15.18
~$ systemd-analyze blame
11min 41.457s plymouth-quit-wait.service
5.684s srv1cv83.service
1.601s networkd-dispatcher.service
1.491s NetworkManager.service
1.336s udisks2.service
1.295s ModemManager.service
1.255s accounts-daemon.service
1.121s thermald.service
1.082s grub-common.service
~$ systemd-analyze critical-chain
The time after the unit is active or started is printed after the "@"
character.
The time the unit takes to start is printed after the "+" character.
graphical.target @11min 43.954s
└─multi-user.target @11min 43.954s
└─anacron.service @8min 58.982s
└─basic.target @912ms
└─paths.target @912ms
└─cups.path @912ms
└─sysinit.target @909ms
└─apparmor.service @471ms +438ms
└─local-fs.target @462ms
└─run-user-1001-gvfs.mount @11min 24.915s
└─run-user-1001.mount @3.021s
└─swap.target @395ms
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.swap
@378ms +16ms
└─dev-disk-by\x2duuid-82c9d942\x2d61f4\x2d42fc\x2dbddc\x2dfdb02217509d.device
@378ms
ProblemType: Bug
DistroRelease: Ubuntu 18.04
Package: linux-image-4.15.0-24-generic 4.15.0-24.26
ProcVersionSignature: Ubuntu 4.15.0-24.26-generic 4.15.18
Uname: Linux 4.15.0-24-generic x86_64
ApportVersion: 2.20.9-0ubuntu7.2
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: accountant 1136 F.... pulseaudio
CurrentDesktop: ubuntu:GNOME
Date: Wed Jul 4 23:17:49 2018
HibernationDevice: RESUME=UUID=82c9d942-61f4-42fc-bddc-fdb02217509d
InstallationDate: Installed on 2018-06-05 (29 days ago)
InstallationMedia: Ubuntu 18.04 LTS "Bionic Beaver" - Release amd64 (20180426)
IwConfig:
lo no wireless extensions.
enp1s0 no wireless extensions.
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 002: ID 0627:0001 Adomax Technology Co., Ltd
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: QEMU Standard PC (Q35 + ICH9, 2009)
ProcFB: 0 qxldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.15.0-24-generic
root=UUID=959b7c8f-048c-4d32-b999-f00713e22153 ro rootflags=subvol=@ quiet
splash vt.handoff=1
RelatedPackageVersions:
linux-restricted-modules-4.15.0-24-generic N/A
linux-backports-modules-4.15.0-24-generic N/A
linux-firmware 1.173.1
RfKill:
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
WifiSyslog:
dmi.bios.date: 02/06/2015
dmi.bios.vendor: EFI Development Kit II / OVMF
dmi.bios.version: 0.0.0
dmi.chassis.type: 1
dmi.chassis.vendor: QEMU
dmi.chassis.version: pc-q35-2.11
dmi.modalias:
dmi:bvnEFIDevelopmentKitII/OVMF:bvr0.0.0:bd02/06/2015:svnQEMU:pnStandardPC(Q35+ICH9,2009):pvrpc-q35-2.11:cvnQEMU:ct1:cvrpc-q35-2.11:
dmi.product.name: Standard PC (Q35 + ICH9, 2009)
dmi.product.version: pc-q35-2.11
dmi.sys.vendor: QEMU
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