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[Bug 1295267] Re: Windows change Monitor/Desktop after screen lock

 

This is happening on my HP ProBook Running Xenial.  In addition, some
windows completely disappear.  I must quit the application through the
launcher and restart it to regain the windows.  The windows are where I
would expect them to be after the application is re-launched.



:~$ lsb_release -a
No LSB modules are available.
Distributor ID:	Ubuntu
Description:	Ubuntu 16.04.1 LTS
Release:	16.04
Codename:	xenial

:~$ lspci -vnn | grep VGA -A 12
00:02.0 VGA compatible controller [0300]: Intel Corporation Broadwell-U Integrated Graphics [8086:1616] (rev 09) (prog-if 00 [VGA controller])
	DeviceName: 32
	Subsystem: Hewlett-Packard Company Broadwell-U Integrated Graphics [103c:2248]
	Flags: bus master, fast devsel, latency 0, IRQ 48
	Memory at c0000000 (64-bit, non-prefetchable) [size=16M]
	Memory at b0000000 (64-bit, prefetchable) [size=256M]
	I/O ports at 6000 [size=64]
	Expansion ROM at <unassigned> [disabled]
	Capabilities: <access denied>
	Kernel driver in use: i915
	Kernel modules: i915

00:03.0 Audio device [0403]: Intel Corporation Broadwell-U Audio
Controller [8086:160c] (rev 09)

lshw:
    description: Notebook
    product: HP ProBook 450 G2 (L8E09UT#ABA)
    vendor: Hewlett-Packard
    version: A3009DD10303
    serial: xxxxxxxxxxxxxxxxxx
    width: 64 bits
    capabilities: smbios-2.7 dmi-2.7 vsyscall32
    configuration: boot=normal chassis=notebook family=103C_5336AN G=N L=BUS B=HP S=PRO sku=L8E09UT#ABA uuid=7F928F1F-7AFC-E411-B003-2057910000FF
     *-pci
          description: Host bridge
          product: Broadwell-U Host Bridge -OPI
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 09
          width: 32 bits
          clock: 33MHz
          configuration: driver=bdw_uncore
          resources: irq:0
        *-display
             description: VGA compatible controller
             product: Broadwell-U Integrated Graphics
             vendor: Intel Corporation
             physical id: 2
             bus info: pci@0000:00:02.0
             version: 09
             width: 64 bits
             clock: 33MHz
             capabilities: msi pm vga_controller bus_master cap_list rom
             configuration: driver=i915 latency=0
             resources: irq:48 memory:c0000000-c0ffffff memory:b0000000-bfffffff ioport:6000(size=64)

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https://bugs.launchpad.net/bugs/1295267

Title:
  Windows change Monitor/Desktop after screen lock

Status in Unity:
  Fix Released
Status in Unity 7.1 series:
  Fix Released
Status in compiz-plugins-main package in Ubuntu:
  Confirmed
Status in unity package in Ubuntu:
  Triaged

Bug description:
  I run a dual monitor configuration, with one portrait and one
  landscape.

  I nearly always have multiple applications open in multiple windows
  across both monitors and all virtual desktops.

  When I lock the screen and then unlock, my application windows will
  move from their original position.

  Sometimes they are in completely random positions;

  Other times they seem to get the monitors confused, and rather than
  being in the top half of the portrait monitor they are on the top half
  of the landscape monitor;

  Sometimes it is only a new desktop, but the monitor position is the
  same;

  Sometimes it is the same desktop, but on the other monitor.

  Description:	Ubuntu 13.10
  Release:	13.10

  What I expect to happen: When I unlock my computer, all the windows
  are in the same position on the same monitor and desktop as I left
  them.

  What actually happens: When I unlock my computer, some or all of the
  windows have been changed to a random position on a random monitor
  and/or desktop.

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References