Unity Launcher stops autohiding and is not responsive

Bug #744325 reported by Pete Graner on 2011-03-28
152
This bug affects 29 people
Affects Status Importance Assigned to Milestone
Unity
Fix Released
High
Didier Roche
unity (Ubuntu)
High
Didier Roche
Natty
High
Didier Roche

Bug Description

Binary package hint: unity

After a period of time the Launcher stops autohiding and stays in the unhid position. The odd thing is that the buttons are not responsive. If you click on one it clicks thru to the application that is underneath it. Additionally when its in this state holding the mouse over a button does not activate tool tips, also the right click clicks thru as well. Doing a unity --reset does not fix it.

ProblemType: Bug
DistroRelease: Ubuntu 11.04
Package: unity 3.6.8-0ubuntu3
ProcVersionSignature: Ubuntu 2.6.38-7.39-generic-pae 2.6.38
Uname: Linux 2.6.38-7-generic-pae i686
Architecture: i386
CompizPlugins: [core,bailer,detection,composite,opengl,compiztoolbox,decor,regex,mousepoll,resize,wall,place,imgpng,animation,gnomecompat,vpswitch,move,snap,grid,unitymtgrabhandles,session,expo,workarounds,ezoom,staticswitcher,fade,scale,unityshell]
CompositorRunning: compiz
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DRM.card0.VGA.1:
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Date: Mon Mar 28 10:44:10 2011
DistUpgraded: Fresh install
DistroCodename: natty
DistroVariant: ubuntu
EcryptfsInUse: Yes
GraphicsCard:
 Intel Corporation Core Processor Integrated Graphics Controller [8086:0046] (rev 02) (prog-if 00 [VGA controller])
   Subsystem: Lenovo Device [17aa:215a]
InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
InstallationMedia_: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
InstallationMedia__: Ubuntu 11.04 "Natty Narwhal" - Alpha i386 (20110302)
MachineType: LENOVO 25222AU
ProcEnviron:
 LANGUAGE=en_US:en
 PATH=(custom, user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.38-7-generic-pae root=UUID=2e53cb18-f31b-4bd4-88e9-f33b1268a1d1 ro quiet splash vt.handoff=7
ProcVersionSignature_: Ubuntu 2.6.38-7.39-generic-pae 2.6.38
ProcVersionSignature__: Ubuntu 2.6.38-7.39-generic-pae 2.6.38
Renderer: Unknown
SourcePackage: unity
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 10/25/2010
dmi.bios.vendor: LENOVO
dmi.bios.version: 6IET74WW (1.34 )
dmi.board.name: 25222AU
dmi.board.vendor: LENOVO
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dmi.chassis.vendor: LENOVO
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dmi.modalias: dmi:bvnLENOVO:bvr6IET74WW(1.34):bd10/25/2010:svnLENOVO:pn25222AU:pvrThinkPadT410:rvnLENOVO:rn25222AU:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 25222AU
dmi.product.version: ThinkPad T410
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.4git20110322-0ubuntu5
version.libdrm2: libdrm2 2.4.23-1ubuntu5
version.libgl1-mesa-glx: libgl1-mesa-glx 7.10.1-0ubuntu3
version.xserver-xorg: xserver-xorg 1:7.6~3ubuntu11
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:6.14.0-0ubuntu4
version.xserver-xorg-video-intel: xserver-xorg-video-intel 2:2.14.0-4ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:0.0.16+git20110107+b795ca6e-0ubuntu6

Pete Graner (pgraner) wrote :
Changed in unity (Ubuntu Natty):
importance: Undecided → High
assignee: nobody → Canonical Desktop Experience Team (canonical-dx-team)
Pete Graner (pgraner) wrote :

After further experimentation doing a "unity --reset-icons" fixes it but wipes out any icons you've saved to the launcher

Omer Akram (om26er) wrote :

I have seen this problem for a few times in the past few days though have not been able to find any specific steps, it just happens with the use of a few minutes.

Changed in unity:
status: New → Confirmed
Changed in unity (Ubuntu Natty):
status: New → Confirmed

I've seen this too.

I think we need to drop the "non-autohide" mode entirely, and that will
make it easier to ensure the launcher can't think it should be
always-visible, ever.

Mark

Sebastien Bacher (seb128) wrote :

bug #727708 is about use non-autohide by default on desktop configurations, the fact that autohiding is hard to get right and still buggy in natty could be another reason to reconsider defaulting to let the launcher on screen by default

Mike (bild85) wrote :

Wow. Mark Freaking Shuttleworth!

~bows~

It's a tough call. There are bound to be cries of "give me my screen real estate back!" if the launcher is always there. But leaving it unresolved just makes Unity appear 'buggy' in this; its first public appearance.

Didier Roche (didrocks) wrote :

Just a note on this particular bug (that shouldn't influence the decision of what's the best option by default):
- this issue is due to compiz being puzzled in the stack order (mainly, it doesn't know that there is a window under the launcher). It's the same issue which leaded to the "invisible windows" that we still sometimes gets. That's basically why when you are in that state, clicks "go through" the launcher and the apps below (or the desktop) are affected.
This doesn't only impact the intellihide, as sometimes, some windows can be on screen and appears completely unresponsive.
There is a workaround in compiz which should "fix" this issue (regularly restack the whole windows in the right order) that will be uploaded right away beta1.

- the only false positive case we seem to encounter in the intellihide behavior as of today is a case where nux doesn't send us (or that we don't capture unity-side) the "leave" events. I'm investigating it this week to see if that can be fixed.

Again, this is an update on this bug and the intellihide state. It shouldn't influence the usability of what should be the default option :)

Florian Boucault (fboucault) wrote :

Heads up, when a user does a 4 fingers drag the launcher appears and if the drag is big enough the launcher is supposed to be locked in place and stay visible.

Pete Graner (pgraner) wrote :

I have found a work around that is quite simple to get you into a working state.

1. Open nautilus
2. Grab any icon in the nautilus window (file, folder etc...)
3. Drag it onto the launcher and let it go
4. Launcher starts behaving again

Pete Graner (pgraner) wrote :

After some more experimentation I've found a way to reproduce. While its not 100% it does happen quite frequently.

I use thunderbird as my mailer, and when maximized I noticed when I went to drag email into a folder if I went too fast the launcher would pop out. When that happened 90% of the time I would notice and pull back. However if I didn't and the drag went into the launcher area when it appeared it would get stuck in the unresponsive state.

Also I noticed sometimes its appears quite random as to what mouse motions cause the launcher to become visible. Sometimes its just moving the cursor to the left side of the screen. Other times I have to go to the top left corner to make it become invisible. The later case seems to happen after I use the workaround in comment #9 to reset the launcher.

Pete Graner (pgraner) wrote :

2nd to last sentence in #10 should read:

ther times I have to go to the top left corner to make it become visible. *NOT* invisible as I typed

Bilal Akhtar (bilalakhtar) wrote :

I also faced this bug today.

Someone, please sync the status, importance and assignee of this bug's ubuntu task to the upstream one.

Changed in unity (Ubuntu Natty):
status: Confirmed → Triaged
Changed in unity:
status: Confirmed → Triaged
importance: Undecided → High
Barry Drake (b-drake) wrote :

Saw problem again today. Opened music app. Could move it behind sidebar which was inactive. I then 'clicked through' the sidebar and closed the app. Opened the app again: same problem was there. Opened a second app. (a terminal) and this app. move the terminal into autohide .... The problem dies not depend on a particular app. being used. I've seen it now with three apps.

Mike (bild85) wrote :

Had a slightly different experience this morning after waking from suspend. The retained image was pixelated. Wish I could've grabbed a screenshot, but it looked similar to TV noise. Mousing over the Ubuntu symbol caused the menu to come out again, which redrew the menu and it retracted normally.

Neil J. Patel (njpatel) on 2011-04-01
Changed in unity:
assignee: nobody → Jason Smith (jassmith)
David Barth (dbarth) wrote :

I confirm the issue here as well. Attached is the xwininfo when i had the problem

David Barth (dbarth) wrote :
zzarko (zzarko-gmail) wrote :

One more confirmation of the bug. I just tried 11.04 beta1 live CD, and first thing I encoutered was that launcher wouldn't hide itself. First, upon starting Nautilus, and after that Firefox, launcher just wouldn't move from the screen, it stayed on screen on top of both windows (no matter if maximized, moved to the left or maximized on left part of the screen). After some time (few minutes), it dissapeared to the left, as it should be, but after some more time, it wouldn't dodge again. This change of behaviour continued for the whole testing time (about an hour), and I couldn't figure out what triggers one behaviour or another.

jtlb (jt-lb) wrote :

I noticed that opening a menu of a maximized window will solve the problem. This the "workaround" i use.
Most of the time, this bug seems to happen when the launcher "thinks" i'm gonna drag/drop something on it.

Mark Baas (mark-baas123) wrote :

I can confirm that this happens when the launcher thinks you're dragging something. I could reproduce it with QtDesigner

Click to drag a widget from the widget box, at that moment the launcher becomes visible. Then let the widget fall back into the widget box. The launcher stays on top, still responsive. Then click another windows, for example firefox and you'll be clicking through it.

Go to nautilus, drag an icon, let it drag immediately back where it came from and the launcher disappears again.

So Mark: "I think we need to drop the "non-autohide" mode entirely, and that will
make it easier to ensure the launcher can't think it should be
always-visible, ever."

I don't think this would make any sense in this case as it is not thinking it should not stay on, it is just waiting for a drag-drop. Apart from that we should not lose any more options to personalize unity.

Mark Shuttleworth (sabdfl) wrote :

Good catch, Mark.

Didier Roche (didrocks) wrote :

The issue in QT apps DND is fixed in trunk, there is only one nux issue grab not sending "leave events" that need to be fixed now.

Mike (bild85) wrote :

I caught a photo of the pixelization I mentioned in comment #14. I suspect this might be a different bug, but I'm not sure. It happens pretty repeatedly after waking from suspend.
Pic attached.

David Barth (dbarth) wrote :

@itismike: this should be bug #676166

Mike (bild85) wrote :

moved it over. Thanks David.

Didier Roche (didrocks) wrote :

Didn't get any new unresponsive and wrong intellihide behavior since my fix in trunk yesterday. Let's keep finger crossed.

Changed in unity:
assignee: Jason Smith (jassmith) → Didier Roche (didrocks)
status: Triaged → Fix Committed
Changed in unity (Ubuntu Natty):
status: Triaged → Fix Committed
Changed in unity:
milestone: none → 3.8.4
Didier Roche (didrocks) on 2011-04-07
Changed in unity:
status: Fix Committed → Fix Released
Launchpad Janitor (janitor) wrote :
Download full text (5.7 KiB)

This bug was fixed in the package unity - 3.8.4-0ubuntu1

---------------
unity (3.8.4-0ubuntu1) natty; urgency=low

  * New upstream release.
    - [fglrx] compiz crashed with SIGSEGV in nux::IOpenGLSurface::UnlockRect()
      (LP: #685682)
    - SIGSEGV in g_atomic_int_get (LP: #688803)
    - unity-panel-service crashed with SIGSEGV in bamf_factory_view_for_path()
      (LP: #717684)
    - New window tracking system breaks in the case where windows try to
      restack relative to destroyed windows that were never mapped
      (LP: #723014)
    - Numpad 'Enter' doesn't work on highlighted items in dash, places-files and
      places-apps (LP: #741615)
    - compiz crashed with SIGSEGV in free() (LP: #738864)
    - compiz crashed with SIGSEGV in g_closure_invoke() (LP: #741674)
    - compiz crashed with SIGSEGV in CompWindow::id() (LP: #742028)
    - Windows that reparent away from the root before they are mapped can
      cause other windows to become invisible (and compiz to crash)
      (LP: #743011)
    - compiz crashed with SIGABRT in raise() (LP: #743414)
    - compiz crashed with SIGSEGV in g_object_get_qdata() (LP: #742905)
    - compiz crashed with SIGSEGV in g_closure_invoke() (LP: #748033)
    - compiz crashed with SIGSEGV in CompScreen::dpy() (LP: #751372)
    - compiz crashed with SIGABRT in __kernel_vsyscall() (LP: #744867)
    - unity-window-decorator crashed with SIGSEGV in gdk_window_get_events()
      (LP: #725284)
    - Missing icons in app launcher (LP: #728393)
    - Multiple quick clicks on launcher icon with multiple windows completely
      crashes Unity (LP: #731790)
    - Add a test case for invisible windows regressions (LP: #736876)
    - Re-sync with xquerytree to avoid stacking order issues (LP: #740465)
    - Wrong window moves (LP: #741656)
    - compiz crashed with SIGSEGV in g_cclosure_marshal_VOID__VOID()
      (LP: #742280)
    - panel superposition (LP: #742859)
    - unity-window-decorator doesn't start on secondary X session
      (LP: #730495)
    - Unity Launcher stops autohiding and is not responsive (LP: #744325)
    - dash categories dropdown menu leaves "ghost" on desktop (LP: #746800)
    - new dialogs open close enough of the launcher to make hide (LP: #747302)
    - dnd from the application place to the launcher works only once
      (LP: #747316)
    - compiz crashed with SIGSEGV in CompWindow::id() while opening tcl/tk
      interface of R (LP: #747439)
    - minimize animates window fading to the top left corner (ubuntu symbol)
      (LP: #747765)
    - Spread - Clicking on a app icon to spread the windows must always show
      all the windows, regardless of whether or not some of the windows are
      minimised (LP: #750349)
    - Launcher - Show visual de-coupling of Launcher app icons (LP: #751196)
    - unity-window-decorator crashed with SIGSEGV in event_filter_func()
      (LP: #748317)
    - Pressing Super-W to switch windows also presents Dash (LP: #753453)
    - Don't create windows over the launcher (LP: #688816)
    - Unity Grid is broken for multi-monitor setups (LP: #709221)
    - F10 key does not move focus to indicators when on the desktop.
      (LP: #727548)
    - dynamic ...

Read more...

Changed in unity (Ubuntu Natty):
status: Fix Committed → Fix Released
Mark Baas (mark-baas123) wrote :

I do not note any difference:
I could reproduce it with QtDesigner

Click to drag a widget from the widget box, at that moment the launcher becomes visible. Then let the widget fall back into the widget box. The launcher stays on top, still responsive. Then click another windows, for example firefox and you'll be clicking through it.

Didier Roche (didrocks) wrote :

@Mark Baas: there is still one issue with QT app dnd which is separated from this one (this one was about getting stuck randomely). Can you file a separate bug for it, please?

Mark Baas (mark-baas123) wrote :

@Didier Roche: See #754634

Pete Graner (pgraner) wrote :

Fully updated as of this AM and its still happening all tho not as much. I just reproduced it by clicking on the mumble icon that I had stuck to the launcher. As soon as the mumble window opened the launcher was stuck over the application behind it and you could click thru to the application underneath in this case thunderbird.

I'm not sure if its because mumble opens a modal dialog box first and the launcher gets confused or what. Should I open a new bug or move this bug to a different state?

I can reproduce with impress too which is not Qt. But since the update from this morning the behaviour is improved

TEST CASE:
Preconditions:
- Launch loimpress and keep it in the launcher
- Close it

1. Launch Impress from the Launcher with the mouse.
  -> The Wizard dialog is launched
2. Move the mouse out of the launcher.
  -> The launcher is still displayed. If it is not, try again. Usually after 2 or 3 tries you'll trigger the bug.
3. Click on "Create "
  -> impress is launcher with a blank document
4. Minimize impress

Result:
The launcher won't hide.

state of the launcher before clicking the the launcher icon and triggering the bug.

Changed in unity (Ubuntu Natty):
status: Fix Released → Triaged

state when the bug is there.

bonus: a video to demonstrate the bug.

Changed in unity (Ubuntu Natty):
status: Triaged → In Progress
assignee: Canonical Desktop Experience Team (canonical-dx-team) → Didier Roche (didrocks)
Didier Roche (didrocks) on 2011-04-08
Changed in unity:
milestone: 3.8.4 → 3.8.6

I've tested unity build 3.8.4-0ubuntu2~ppa1 and can't reproduce this issue.
I've tried mumble, impress and d-feet, which all exhibit this behaviour with the unity 3.8.4-0ubuntu1

Didier Roche (didrocks) wrote :

pushed the fix to trunk, nice :)

Changed in unity:
status: Fix Released → Fix Committed
Didier Roche (didrocks) on 2011-04-11
Changed in unity:
status: Fix Committed → Fix Released
Launchpad Janitor (janitor) wrote :

This bug was fixed in the package unity - 3.8.6-0ubuntu1

---------------
unity (3.8.6-0ubuntu1) natty; urgency=low

  * New upstream release.
    - compiz crashed with SIGABRT in raise() (LP: #748163)
    - System freezes when maximize button is clicked (LP: #754063)
    - compiz crashed with SIGSEGV in QuicklistView::IsMenuItemSeperator()
      (LP: #754302)
    - compiz crashed with SIGSEGV in std::_List_node_base::_M_hook()
      (LP: #754235)
    - compiz crashed with SIGSEGV in ubus_server_pump_message_queue()
      (LP: #754657)
    - drag from dash to launcher (LP: #662616)
    - Add a test case for unity-decorator regressions (LP: #736878)
    - the files place category combo has empty space (LP: #741641)
    - panel superposition (LP: #742859)
    - Unity Launcher stops autohiding and is not responsive (LP: #744325)
    - Unity Launcher stops autohiding and is not responsive (LP: #744325)
    - [FFE] Need API to set urgency from background process (LP: #747677)
    - Launcher - Escape from 'drag behind the Launcher' interaction
      (LP: #750298)
    - Launcher needs to be desaturated when Dash is open, not transparent.
      (LP: #750358)
    - compiz crashed with SIGSEGV in free() (LP: #752293)
    - migrate_favorites.py crashed with ImportError in __main__: No module
      named gconf (LP: #752176)
    - compiz crashed with SIGSEGV in PluginClassHandler<DecorWindow,
      CompWindow, 0>::get() (LP: #743807)
    - cannot close the dash by clicking on the bfb (LP: #753914)
    - Animation for Grid Previews is broken (LP: #754088)
    - compiz crashed with SIGSEGV in PanelMenuView::OnPlaceViewShown()
      (LP: #754585)
    - Pressing F10 then "left arrow" wit Unity on Natty makes the system
      unusable (LP: #756867)
    - compiz crashed with SIGSEGV in __pthread_mutex_lock() (LP: #711231)
    - Tooltips and Dash Font Problems (LP: #741605)
    - Title elipisising incorrect. Type “Shotwell” for a good example
      (LP: #750350)
    - compiz crashed with SIGSEGV in Launcher::Launcher() (LP: #748096)
    - BFB - Turn top left corner blue rather than Ubuntu logo (LP: #755286)
    - launcher appears and gets stuck when resizing windows with mouse
      (LP: #754690)
    - Wrong item gets dragged out (LP: #729796)
    - Launcher - when the launcher is folded, the bottom icon partially falls
      off the end of the screen (LP: #731869)
    - unity-window-decorator: Resize padding: Tiny focused windows lose resize
      padding and shadow when <69 pixels wide (LP: #737707)
    - Deinstalling an application with launcher entry leaves orphaned shortcut
      (LP: #748107)
    - Two Nautilus windows open when clicked on a device icon on Launcher
      (started after 3.8.2) (LP: #748299)
    - compiz crashed with SIGSEGV in Launcher::AnimationTimeout()
      (LP: #749890)
  * debian/control:
    - build-dep on latest nux (ABI break)
  * debian/unity-common.install:
    - install the desktop file for the new capplet
 -- Didier Roche <email address hidden> Mon, 11 Apr 2011 12:42:33 +0200

Changed in unity (Ubuntu Natty):
status: In Progress → Fix Released
SB (sonny-benshimon) wrote :

I have been experiencing a similar problem for the past couple of days. Don't know if it's exactly the same bug.

package details: unity 3.8.12

launcher stops auto-hiding but IS responsive.
All maximized windows expand to the whole screen leaving their left part hid by launcher (so the launcher is fixed on the left and the maximized windows expand UNDERNEATH it).

Tyler Rusk (tdrusk) wrote :

post #9 is a valid workaround for this.

Stefan Bethge (kjyv) wrote :

Same here as #38, only happens when running matlab which seems to use a java gui. Haven't fully been able to reproduce it at will, but it happens from time to time, so I'll try to watch this .

Stefan Bethge (kjyv) wrote :

This particular problem seems to be tracked here though: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/769703

Steve Comrie (stevecomrie) wrote :

Agree that #9 is a completely functioning work around

Similar bug, on ubuntu 12.10

When I open a bigger windows than monitor resolution on my netbook (like gnubg on my 1024x600 monitor) when I start the match analisy "sometimes" happen esactly like the first post say.
I "resolve" restarting compiz:

compiz --replace

maybe a compiz problem than an unity one?

cheer

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