I have been facing this issue for a while now.
Some details of my system are as follows:
System: Host: sitspak Kernel: 4.4.0-22-generic x86_64 (64 bit) Desktop:
Unity 7.4.0
Distro: Ubuntu 16.04 xenial
Machine: System: Hewlett-Packard (portable) product: HP ZBook 15 G2 v:
A3009DD10303
Mobo: Hewlett-Packard model: 2253 v: KBC Version 03.10
Bios: Hewlett-Packard v: M70 Ver. 01.07 date: 02/26/2015
CPU: Quad core Intel Core i7-4810MQ (-HT-MCP-) cache: 6144 KB
clock speeds: max: 3800 MHz 1: 2805 MHz 2: 2801 MHz 3: 2800 MHz 4:
2987 MHz 5: 2800 MHz
6: 2800 MHz 7: 2808 MHz 8: 2879 MHz
Graphics: Card-1: Intel 4th Gen Core Processor Integrated Graphics Controller
Card-2: NVIDIA GK106GLM [Quadro K2100M]
Display Server: X.Org 1.18.3 driver: nvidia Resolution:
1920x1080@60.01hz
GLX Renderer: Quadro K2100M/PCIe/SSE2 GLX Version: 4.5.0 NVIDIA
361.42
I have observed following:
1. This happens when a external usb webcam is attached; dmesg regarding
camera is as follows.
uvcvideo: Found UVC 1.00 device A4 TECH HD PC Camera (0ac8:3500)
[ +0.000882] input: A4 TECH HD PC Camera as
/devices/pci0000:00/0000:00:14.0/usb3/3-10/3-10:1.0/inpu
[ +0.000116] usbcore: registered new interface driver uvcvideo
[ +0.000002] USB Video Class driver (1.1.1)
2. My themes fall back to classic gnome as well. To get around I restart
lightdm service.
3. It was worse in Ubuntu 15.10 but in 16.04 some window decorations, icons &
fonts fall back.
4. A dmesg related to Nvidia which might be interesting:
ACPI Warning: \_SB_.PCI0.PEGP.DGFX._DSM: Argument #4 type mismatch -
Found [Buffer], ACPI requires [Package] (20150930/nsarguments-95)
Hope this helps!
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You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to upower in Ubuntu.
https://bugs.launchpad.net/bugs/1546641
Title:
unity-settings-daemon crashed with SIGSEGV in
up_exported_daemon_get_lid_is_closed()
Status in unity-settings-daemon package in Ubuntu:
Triaged
Status in upower package in Ubuntu:
Confirmed
Status in unity-settings-daemon source package in Xenial:
Triaged
Status in upower source package in Xenial:
Confirmed
Status in unity-settings-daemon source package in Yakkety:
Triaged
Status in upower source package in Yakkety:
Confirmed
Bug description:
https://errors.ubuntu.com/problem/8ca9c548fc4e2fc1d4bf827bbd85c72df59313f8
Ubuntu 16.04 crashes immediately on login. Default settings not
applied and appearance is a bit ugly (incorrect font hinting, in-
window menus etc).
---
ProblemType: Crash
DistroRelease: Ubuntu 16.04
ProcVersionSignature: Ubuntu 4.4.0-6.21-generic 4.4.1
Uname: Linux 4.4.0-6-generic x86_64
ApportVersion: 2.20-0ubuntu3
Architecture: amd64
CrashCounter: 1
Date: Wed Feb 17 13:52:13 2016
ExecutablePath: /usr/lib/unity-settings-daemon/unity-settings-daemon
InstallationDate: Installed on 2016-02-08 (8 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160205)
ProcCmdline: /usr/lib/unity-settings-daemon/unity-settings-daemon
ProcEnviron:
LANGUAGE=pt_BR:pt:en
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=pt_BR.UTF-8
SHELL=/bin/false
SegvAnalysis:
Segfault happened at: 0x3aae60fe69 <up_exported_daemon_get_lid_is_closed+9>:
mov (%rbx),%rdi
PC (0x3aae60fe69) ok
source "(%rbx)" (0x00000000) not located in a known VMA region (needed
readable region)!
destination "%rdi" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-settings-daemon
StacktraceTop:
up_exported_daemon_get_lid_is_closed () from
/usr/lib/x86_64-linux-gnu/libupower-glib.so.3
gsd_power_manager_start () from
/usr/lib/unity-settings-daemon-1.0/libpower.so
?? () from /usr/lib/unity-settings-daemon-1.0/libpower.so
gnome_settings_plugin_info_activate ()
?? ()
Title: unity-settings-daemon crashed with SIGSEGV in
up_exported_daemon_get_lid_is_closed()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:
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https://bugs.launchpad.net/ubuntu/+source/unity-settings-daemon/+bug/1546641/+subscriptions
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