Ubuntu
chromium-browser package

print page dialog latency when trying to cancel or to save

Bug #1833114 reported by Christopher Barrington-Leigh
12
This bug affects 1 person
Affects Status Importance Assigned to Milestone
chromium-browser (Ubuntu)
New
Undecided
Unassigned
gtk+3.0 (Ubuntu)
Confirmed
Undecided
Unassigned

Bug Description

Since less than a month ago, using the print page dialog (which for me defaults to saving as PDF) is outlandishly slow. Once opened, if I try to close it (click cancel / press Esc) or to use it (click Save or press Enter), there is no visible response, and my system hangs for 10 seconds. After that though, the operation concludes successfully and things return to normal.

This did not used to happen. Closing or submitting the print-to-PDF used to result in the pop-up window closing immediately and the browser regaining responsiveness.

ProblemType: Bug
DistroRelease: Ubuntu 19.04
Package: chromium-browser 74.0.3729.169-0ubuntu0.19.04.1
ProcVersionSignature: Ubuntu 5.0.0-16.17-generic 5.0.8
Uname: Linux 5.0.0-16-generic x86_64
ApportVersion: 2.20.10-0ubuntu27
Architecture: amd64
CurrentDesktop: ubuntu:GNOME
DRM.card0-DP-1:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64:
 modes:
DRM.card0-DP-2:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64:
 modes:
DRM.card0-DP-5:
 enabled: enabled
 dpms: On
 status: connected
 edid-base64: AP///////wAEchAEyHEQUQsZAQSlRyh4PiVfqFRNnyUOT1O/74BxT4FAgYCBwIEAlQCzANHATdAAoPBwPoAwIDUAxY8hAAAaBHQAMPJwWoCwWIoAxY8hAAAaAAAA/QAdTB+gPAEKICAgICAgAAAA/ABCMzI2SEsKICAgICAgAQwCAxzhT5ACAwQFBgcBERITFBUWHyMJBweDAQAAAjqAGHE4LUBYLEUAxY8hAAAeAR2AGHEcFiBYLCUAxY8hAACeAR0AclHQHiBuKFUAxY8hAAAejArQiiDgLRAQPpYAxY8hAAAYVl4AoKCgKVAwIDUAxI8hAAAaAAAAAAAAAAAA
 modes: 3840x2160 3840x2160 2560x1440 1920x1080 1920x1080 1920x1080 1920x1080 1680x1050 1280x1024 1280x1024 1440x900 1280x960 1280x800 1152x864 1280x720 1280x720 1280x720 1280x720 1024x768 1024x768 1024x768 832x624 800x600 800x600 800x600 800x600 720x576 720x576 720x480 720x480 720x480 720x480 720x480 640x480 640x480 640x480 640x480 640x480 640x480 720x400
DRM.card0-DP-6:
 enabled: disabled
 dpms: On
 status: connected
 edid-base64: AP///////wAQrAngTEFNMAkPAQPOKxt46gGVo1dMnCUSUFSlSwCBgHFPAQEBAQEBAQEBAQEBfC6QoGAaHkAwIDYAsg4RAAAaAAAA/wBUNjEzMDUzMjBNQUwKAAAA/QA4Sx5TDgAKICAgICAgAAAA/ABERUxMIDIwMDVGUFcKAAM=
 modes: 1680x1050 1280x1024 1280x1024 1152x864 1024x768 1024x768 800x600 800x600 640x480 640x480 720x400
DRM.card0-DP-7:
 enabled: disabled
 dpms: On
 status: disconnected
 edid-base64:
 modes:
DRM.card0-HDMI-A-1:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64:
 modes:
DRM.card0-HDMI-A-2:
 enabled: disabled
 dpms: Off
 status: disconnected
 edid-base64:
 modes:
DRM.card0-eDP-1:
 enabled: enabled
 dpms: On
 status: connected
 edid-base64: AP///////wAGrz0TAAAAACYXAQSVHxF4AoflpFZQniYNUFQAAAABAQEBAQEBAQEBAQEBAQEBFDeAuHA4JEAQED4ANa0QAAAYAAAADwAAAAAAAAAAAAAAAAAgAAAA/gBBVU8KICAgICAgICAgAAAA/gBCMTQwSEFOMDEuMyAKAHo=
 modes: 1920x1080
Date: Mon Jun 17 14:03:12 2019
Desktop-Session:
 'ubuntu'
 '/etc/xdg/xdg-ubuntu:/etc/xdg'
 '/usr/share/ubuntu:/usr/local/share:/usr/share:/var/lib/snapd/desktop'
DetectedPlugins:

EcryptfsInUse: Yes
Env:
 'None'
 'None'
InstallationDate: Installed on 2019-01-24 (144 days ago)
InstallationMedia: Ubuntu 18.10 "Cosmic Cuttlefish" - Release amd64 (20181017.3)
InstalledPlugins:

Load-Avg-1min: 3.09
Load-Processes-Running-Percent: 0.1%
MachineType: LENOVO 20BXCTO1WW
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-5.0.0-16-generic root=UUID=a6081f39-700f-4698-bda4-464e53d9d229 ro quiet splash vt.handoff=1
SourcePackage: chromium-browser
UpgradeStatus: Upgraded to disco on 2019-05-29 (19 days ago)
dmi.bios.date: 09/13/2017
dmi.bios.vendor: LENOVO
dmi.bios.version: JBET66WW (1.30 )
dmi.board.asset.tag: Not Available
dmi.board.name: 20BXCTO1WW
dmi.board.vendor: LENOVO
dmi.board.version: SDK0J40697 WIN
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: None
dmi.modalias: dmi:bvnLENOVO:bvrJBET66WW(1.30):bd09/13/2017:svnLENOVO:pn20BXCTO1WW:pvrThinkPadT450s:rvnLENOVO:rn20BXCTO1WW:rvrSDK0J40697WIN:cvnLENOVO:ct10:cvrNone:
dmi.product.family: ThinkPad T450s
dmi.product.name: 20BXCTO1WW
dmi.product.sku: LENOVO_MT_20BX_BU_Think_FM_ThinkPad T450s
dmi.product.version: ThinkPad T450s
dmi.sys.vendor: LENOVO
modified.conffile..etc.default.chromium-browser: [deleted]

Revision history for this message
Christopher Barrington-Leigh (cpbl) wrote :
Revision history for this message
Olivier Tilloy (osomon) wrote :

I can observe this on my laptop, too. I can't reproduce in a clean disco VM though.

This is not specific to chromium though, other applications such as gedit are affected (snap or deb seems to be irrelevant).

@Christopher, can you confirm other applications on your system are similarly affected (test e.g. gedit or evince)?

Revision history for this message
Christopher Barrington-Leigh (cpbl) wrote : Re: [Bug 1833114] Re: print page dialog latency when trying to cancel or to save

Yes I think everything is affected.

On Wed, Aug 7, 2019, 10:11 AM Olivier Tilloy, <email address hidden>
wrote:

> I can observe this on my laptop, too. I can't reproduce in a clean disco
> VM though.
>
> This is not specific to chromium though, other applications such as
> gedit are affected (snap or deb seems to be irrelevant).
>
> @Christopher, can you confirm other applications on your system are
> similarly affected (test e.g. gedit or evince)?
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1833114
>
> Title:
> print page dialog latency when trying to cancel or to save
>
> To manage notifications about this bug go to:
>
> https://bugs.launchpad.net/ubuntu/+source/chromium-browser/+bug/1833114/+subscriptions
>

Christopher Barrington-Leigh (cpbl)
Changed in gtk+3.0 (Ubuntu):
status: New → Confirmed
Revision history for this message
Christopher Barrington-Leigh (cpbl) wrote :

This problem does not affect a brand new user if I create one. So it is maybe to do with having upgraded, and having old settings? How do I reset the relevant settings?

Revision history for this message
Olivier Tilloy (osomon) wrote :

As noted in comment #2, I used to be able to observe the problem, but I cannot any longer. I upgraded my laptop to 19.10 a while ago while it was still in development, and I couldn't tell for sure when the problem went away. I didn't do a fresh install, nor did I create a new user or cleaned up settings in any way.

@Christopher: from your last comment I understand you're still affected. Have you upgraded to 19.10 ? If not, are you planning to do it in a not-too-distant future? If so I'd be interested in knowing whether this resolves the issue for you.

Revision history for this message
Christopher Barrington-Leigh (cpbl) wrote :

Yes, I have now very grudgingly upgraded to 19.10 and the problem seems to be resolved.

This problem was new at some point in 19.04 (ie did not exist at first with 19.04) and I do not think pressuring eople to upgrade (so soon after a release) is a good solution.

On the other hand, strangely, no one else has reported the bug.

Thanks, Olivier!

Revision history for this message
Christopher Barrington-Leigh (cpbl) wrote :

Actually, it is not true that this is solved under 19.10. All that has happened is that the latency has shortened to 1-2 seconds. It is *still* the case that during that time, I cannot get the focus in any other window or do anything else in the operating system.

Revision history for this message
Olivier Tilloy (osomon) wrote :

Thanks for the feedback Christopher. I'm not suggesting everyone upgrade to 19.10 right away, I was just curious whether doing so would somehow fix the problem.
This obviously still needs looking into.

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