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[Bug 1568604] [NEW] Mouse cursor lost when unlocking with Intel graphics

 

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[SRU for Ubuntu 16.04]
Package (yakkety): xserver-xorg-video-intel 2:2.99.917+git20160706-1ubuntu1
Current (xenial): xserver-xorg-video-intel 2:2.99.917+git20160325-1ubuntu1

[Impact]
Mouse cursor is no longer visible after VT-switch for systems with Intel graphics.

Switching VTs again may cause the cursor to become visible again.
- Changing to vt1 then back to vt7 (ctrl+alt+f1 then ctrl+alt+f7)

This is often observed in systems that lock the session and return to
the greeter (including at least Xubuntu, Ubuntu Mate, and elementary
OS).

[Test Case]
(Requires a lightdm-based screen locking solution)
1. Start a new session.
2. Lock your screen.
2a. You are redirected to the lightdm greeter.
3. Login/Unlock your session.
4. Cursor is no longer visible.

[Debian Changelog (since 2:2.99.917+git20160325-1ubuntu1)]
 xserver-xorg-video-intel (2:2.99.917+git20160706-1ubuntu1) yakkety; urgency=medium
  * Merge from Debian.

 xserver-xorg-video-intel (2:2.99.917+git20160706-1) unstable; urgency=medium
  * New upstream snapshot.
  * fix-fd-leak-when-intel-scrn-create-fails.diff, sna-let-modesetting-
    handle-gen9+.diff: Dropped as the fallback to modesetting will be
    fully handled in the xserver.
  * .docs: Include a minimal xorg.conf.

 xserver-xorg-video-intel (2:2.99.917+git20160522-1ubuntu1) yakkety; urgency=medium
  * Merge from Debian.
  * install-dri3info.diff: Install dri3info with the driver, add libxcomposite-dev
    to build-depends.

 xserver-xorg-video-intel (2:2.99.917+git20160522-1) unstable; urgency=medium
  * New upstream snapshot. (Closes: #823116)
  * fix-fd-leak-when-intel-scrn-create-fails.diff: Fix a failure falling back
    on another driver when scrn create fails.

[Regression Potential]
Regression potential here seems minimal. However, as seen in the above Debian changelog, we have a new snapshot which includes several changes since March 25.

===

[Original Report]
Cursor is visible at unlock screen either after returning from suspend or just locking.

After unlocking screen cursor is invisible.

Changing to vt1 then back to vt7 (ctrl+alt+f1 then ctrl+alt+f7) cursor
returns

====================

no matter if you suspend or sleep, to swap or disk when you return from
it, the mouse cursor is missing.    you can still move the mouse and you
can see (because it highlights the window) as you move it around.   But
the cursor is not displayed on the screen.

i am using a lenovo W540 laptop.   I downloaded the latest beta on april
8 2016.

this is xubuntu using the xfce window manager.

the cursor does return if i log off and log back in, but that actually defeats the purpose of going to sleep.
---
ApportVersion: 2.20.1-0ubuntu1
Architecture: amd64
DistroRelease: Ubuntu 16.04
InstallationDate: Installed on 2016-04-08 (2 days ago)
InstallationMedia: Xubuntu 16.04 LTS "Xenial Xerus" - Beta amd64 (20160323)
NonfreeKernelModules: nvidia_uvm nvidia_modeset nvidia
Package: light-locker 1.7.0-2ubuntu1
PackageArchitecture: amd64
ProcEnviron:
 LANGUAGE=en_US
 TERM=xterm
 PATH=(custom, no user)
 LANG=en_US.UTF-8
 SHELL=/bin/bash
ProcVersionSignature: Ubuntu 4.4.0-18.34-generic 4.4.6
Tags:  xenial
Uname: Linux 4.4.0-18-generic x86_64
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

_MarkForUpload: True

** Affects: elementaryos
     Importance: Undecided
         Status: Confirmed

** Affects: xorg-server
     Importance: Medium
         Status: Confirmed

** Affects: ubuntu-translations
     Importance: Undecided
         Status: New

** Affects: xserver-xorg-video-intel (Ubuntu)
     Importance: High
         Status: Fix Released

** Affects: xserver-xorg-video-intel (Ubuntu Xenial)
     Importance: Undecided
         Status: Confirmed


** Tags: apport-collected bot-comment iso-testing xenial xubuntu
-- 
Mouse cursor lost when unlocking with Intel graphics
https://bugs.launchpad.net/bugs/1568604
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