** Branch linked: lp:~ubuntu-desktop/nautilus/ubuntu
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https://bugs.launchpad.net/bugs/1626935
Title:
[yakkety] desktop is black and/or flickering after plugging in a
second monitor
Status in compiz package in Ubuntu:
Invalid
Status in mesa package in Ubuntu:
Invalid
Status in nautilus package in Ubuntu:
Fix Committed
Status in compiz source package in Yakkety:
New
Status in mesa source package in Yakkety:
New
Status in nautilus source package in Yakkety:
In Progress
Bug description:
[ Description ]
Nautilus's wallpaper drawing doesn't respond to changes in monitor
configuration. Instead of your wallpaper you see black.
[ Fix ]
Inside nautilus, the wallpaper widget connects to GTK's "monitors-
changed" signal when it is constructed. It does this only once the
widget is realized - a "realized" signal handler connects to
"monitors-changed". In Yakkety, the "realized" signal handler is
connected after the widget is already realized, meaning that the
signal handler isn't called and we don't connect to the "monitors-
changed" signal.
The proposed fix remedies this by checking if we are realized and
explicitly calling the signal handler if so.
[ QA ]
Have multiple monitors. Have only one of them connected. Log in. Plug
in one monitor. If it's autoactivated, check you see your background
on both monitors. If not, activate it ("Displays") and do the same.
[ Regression potential ]
I'm not sure why or where the order changed to make the widget be
realized earlier, if it matters or if this was always buggy and we got
lucky. I would guess a refactoring in Nautilus itself, and so the
proposed fix is safe, but watch out for other weirdness.
[ Original description ]
Using 16.04 daily image: 20160919(downloading date)
With testing package for 4.8 kernel: ppa:canonical-kernel-team/unstable
Graphic chips:
00:02.0 VGA compatible controller [0300]: Intel Corporation HD Graphics 530
[8086:191b] (rev 06)
01:00.0 3D controller [0302]: NVIDIA Corporation GM107M [GeForce GTX 960M]
[10de:139b] (rev ff)
Desktop wallpaper on extended display shows black background only, and
the hdmi detection is very unstable.
ProblemType: Bug
DistroRelease: Ubuntu 16.10
Package: xorg 1:7.7+13ubuntu3
ProcVersionSignature: Ubuntu 4.8.0-14.15-generic 4.8.0-rc7
Uname: Linux 4.8.0-14-generic x86_64
.tmp.unity_support_test.0:
ApportVersion: 2.20.3-0ubuntu7
Architecture: amd64
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
CurrentDesktop: Unity
Date: Fri Sep 23 05:30:30 2016
DistUpgraded: Fresh install
DistroCodename: yakkety
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation HD Graphics 530 [8086:191b] (rev 06) (prog-if 00 [VGA
controller])
Subsystem: Dell HD Graphics 530 [1028:06e4]
InstallationDate: Installed on 2016-09-20 (3 days ago)
InstallationMedia: Ubuntu 16.10 "Yakkety Yak" - Alpha amd64 (20160919)
Lsusb:
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 003: ID 04f3:21d5 Elan Microelectronics Corp.
Bus 001 Device 002: ID 0a5c:6410 Broadcom Corp.
Bus 001 Device 004: ID 0c45:6713 Microdia
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Dell Inc. XPS 15 9550
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.8.0-14-generic.efi.signed
root=UUID=d16ac6eb-1b3e-4aa5-813b-57b5c7ef165a ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/07/2016
dmi.bios.vendor: Dell Inc.
dmi.bios.version: 01.02.00
dmi.board.name: 0N7TVV
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvr01.02.00:bd04/07/2016:svnDellInc.:pnXPS159550:pvr:rvnDellInc.:rn0N7TVV:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: XPS 15 9550
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.13.0+16.10.20160818.2-0ubuntu2
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.70-1
version.libgl1-mesa-dri: libgl1-mesa-dri 12.0.3-1ubuntu1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 12.0.3-1ubuntu1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-1ubuntu6
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.1-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20160706-1ubuntu1
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-2
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