various applets occasionally crash on transparent panel

StacktraceTop:
 XGetGeometry (dpy=0x5620fdc52ca0, d=d@entry=14710537, root=root@entry=0x7ffdf2d86290, x=x@entry=0x7ffdf2d86278, y=y@entry=0x7ffdf2d8627c, width=width@entry=0x7ffdf2d86280, height=0x7ffdf2d86284, borderWidth=0x7ffdf2d86288, depth=0x7ffdf2d8628c) at ../../src/GetGeom.c:47
 mate_panel_applet_create_foreign_surface_for_display (xid=14710537, visual=0x5620fdc6c4f0, display=0x5620fdc610e0) at mate-panel-applet.c:1306
 mate_panel_applet_get_pattern_from_pixmap (y=0, x=1005, xid=14710537, applet=<optimized out>) at mate-panel-applet.c:1339
 mate_panel_applet_handle_background_string (pattern=0x7ffdf2d862e8, color=<optimized out>, applet=<optimized out>) at mate-panel-applet.c:1419
 mate_panel_applet_get_background (applet=<optimized out>, color=<optimized out>, pattern=0x7ffdf2d862e8) at mate-panel-applet.c:1448

Status changed to 'Confirmed' because the bug affects multiple users.

Do you use a transparent panel?

See https://ubuntu-mate.community/t/zesty-multiple-applet-crashes-on-login-when-using-transparent-panels/13192 for possibly same or similar issue.

Yes, in general I make the top panel transparent. Now I upgrade on Ubuntu 17.10, so I dont have exactly the same setting... But I supose I had transparent panel because I like them very much.

In 17.10 this bug shouldn't happen anymore, it had been fixed in mate-panel 1.18.4 which is now in the repos. Would be nice to get it fixed in 17.04 as well, so I'll upload a patch for that.

The attachment "Fix occasional transparent panel crashes for Zesty" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team.

[This is an automated message performed by a Launchpad user owned by ~brian-murray, for any issues please contact him.]

Since this affects various applets, I think it won't hurt to add links to upstream reports (with backtraces included).

https://github.com/mate-desktop/mate-panel/issues/604
https://github.com/mate-desktop/mate-panel/issues/369

Attaching the debdiff with patches to fix bug 1675888, bug 1676840, bug 1690517,
bug 1695648 for Zesty.

Uploaded.

Thanks!

Awesome, thanks!

Pe 25 nov. 2017 05:20, "Simon Quigley" <email address hidden> a scris:

> Uploaded.
>
> Thanks!
>
> --
> You received this bug notification because you are subscribed to the bug
> report.
> https://bugs.launchpad.net/bugs/1675888
>
> Title:
> various applets occasionally crash on transparent panel
>
> Status in mate-panel package in Ubuntu:
> Fix Released
> Status in mate-panel source package in Zesty:
> Triaged
>
> Bug description:
> [Impact]
>
> Almost all panel applets occasionally crash if the panel is transparent.
> Usually it happens on session start. It affects all panels that are on
> the
> screen, e.g. if you have top and bottom panels, then the applets from
> both
> panels would crash.
>
> The patch attached to this report fixes the issue.
>
> The fix is already present in Artful and tested by developers and users.
> Would be nice to backport it to Zesty as well, as it's really a major
> inconvenience for users who prefer to have a transparent panel.
>
> [Test Case]
>
> If you see the applets crashes on session start, then the issue is
> already
> reproduced. Otherwise you can try moving transparency slider in the panel
> properties very fast back and forth - after some tries it will cause some
> applets to crash. It's been confirmed that it's the same crash as happens
> on session start, with the same backtrace and the same root cause.
>
> [Regression Potential]
>
> None. All that's done is to replace the direct call of cairo function
> with
> the call to GDK's cairo support function. It proved to be the proper way
> to
> do it.
>
> [Other Info]
>
> The patch is included into the debdiff attached to this report.
>
> The debdiff contains patches to fix bug 1675888, bug 1676840, bug
> 1690517,
> bug 1695648. See other reports for the corresponding SRU templates.
>
> Note that the debdiff attached to bug 1690517 is a separate one for
> Artful.
>
> [Original Description]
>
> crash on testing shortcuts: Ctrl+ Alt +Numpad
>
> ProblemType: Crash
> DistroRelease: Ubuntu 17.04
> Package: mate-panel 1.18.0-0ubuntu1
> ProcVersionSignature: Ubuntu 4.10.0-13.15-generic 4.10.1
> Uname: Linux 4.10.0-13-generic x86_64
> ApportVersion: 2.20.4-0ubuntu2
> Architecture: amd64
> CurrentDesktop: MATE
> Date: Fri Mar 24 20:13:18 2017
> ExecutablePath: /usr/lib/mate-panel/notification-area-applet
> InstallationDate: Installed on 2016-06-28 (268 days ago)
> InstallationMedia: Ubuntu-MATE 16.04 LTS "Xenial Xerus" - Release amd64
> (20160420.1)
> ProcCmdline: /usr/lib/mate-panel/notification-area-applet
> ProcEnviron:
> SHELL=/bin/bash
> XDG_RUNTIME_DIR=<set>
> PATH=(custom, no user)
> LANGUAGE=ro_RO
> LANG=ro_RO.UTF-8
> Signal: 5
> SourcePackage: mate-panel
> StacktraceTop:
> ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
> ?? () from /usr/lib/x86_64-linux-gnu/libX11.so.6
> _XReply () from /usr/lib/x86_64-linux-gnu/libX11.so.6
> XGetGeometry () from /usr/lib/x86_64-linux-gnu/libX11.so.6
> mate_panel_applet_get_background () from /usr/lib/x86_64-linux-gnu/
> libmate-panel-applet-4.so.1
> Title: notification-area-app...

Thanks, waiting for it to show in the -proposed.

Hello Buzea, or anyone else affected,

Accepted mate-panel into zesty-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/mate-panel/1.18.1-0ubuntu2.1 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed.Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested and change the tag from verification-needed-zesty to verification-done-zesty. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-zesty. In either case, details of your testing will help us make a better decision.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance!

Testing in Zesty...

- replaced local builds of mate-panel, mate-panel-common, gir1.2-mate-panel, libmate-panel-applet-4-1 packages with version 1.18.1-0ubuntu2.1 from zesty-proposed
- set the panel background on both top and bottom panels to be transparent
- logged out and back in - no applets were crashing
- opened the properties dialog for the top panel
- moved the transparency slider very fast back and forth a few times - no crashes
- repeated the same test with the slider for the bottom panel - no crashes

All good, the applet crashes don't happen anymore.

This bug was fixed in the package mate-panel - 1.18.1-0ubuntu2.1

---------------
mate-panel (1.18.1-0ubuntu2.1) zesty; urgency=medium

  * Added patches:
    + fix-transparent-panel-crashes.patch - fixes occasional crashes
      when the panel is transparent (LP: #1675888)
    + fix-crash-on-empty-icon-field.patch - fixes crashes when some
      .desktop file has empty Icon field (LP: #1676840)
    + fix-file-folder-launchers.patch - makes file/folder launchers
      work again (LP: #1690517)
    + fix-crash-on-unknown-signals.patch - fixes tray area crashes
      on unknown signals from apps using indicators (LP: #1695648)

 -- Vlad Orlov <email address hidden> Mon, 06 Nov 2017 20:44:51 +0300

The verification of the Stable Release Update for mate-panel has completed successfully and the package has now been released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.