Ubuntu
unity-settings-daemon package

unity-settings-daemon crashed with SIGSEGV in gnome_rr_screen_get_dpms_mode()

Bug #1299630 reported by Carlos on 2014-03-29

20

This bug affects 3 people

Affects		Status	Importance	Assigned to	Milestone
	unity-settings-daemon (Ubuntu)	Confirmed	Medium	Unassigned

Bug Description

random errors occur

ProblemType: Crash
DistroRelease: Ubuntu 14.04
Package: unity-settings-daemon 14.04.0+14.04.20140310-0ubuntu2
ProcVersionSignature: Ubuntu 3.13.0-20.42-generic 3.13.7
Uname: Linux 3.13.0-20-generic x86_64
NonfreeKernelModules: wl
ApportVersion: 2.13.3-0ubuntu1
Architecture: amd64
Date: Sat Mar 29 15:58:30 2014
ExecutablePath: /usr/lib/unity-settings-daemon/unity-settings-daemon
ExecutableTimestamp: 1394763598
InstallationDate: Installed on 2014-03-29 (0 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Beta amd64 (20140326)
ProcCmdline: /usr/lib/unity-settings-daemon/unity-settings-daemon
ProcCwd: /var/lib/lightdm
ProcEnviron:
PATH=(custom, no user)
XDG_RUNTIME_DIR=<set>
LANG=en_US.UTF-8
SHELL=/bin/false
SegvAnalysis:
Segfault happened at: 0x7f32df0ebe79 <gnome_rr_screen_get_dpms_mode+73>: mov 0x18(%rdi),%rax
PC (0x7f32df0ebe79) ok
source "0x18(%rdi)" (0x00000018) not located in a known VMA region (needed readable region)!
destination "%rax" ok
SegvReason: reading NULL VMA
Signal: 11
SourcePackage: unity-settings-daemon
StacktraceTop:
gnome_rr_screen_get_dpms_mode () from /usr/lib/libgnome-desktop-3.so.7
gnome_rr_screen_set_dpms_mode () from /usr/lib/libgnome-desktop-3.so.7
?? () from /usr/lib/unity-settings-daemon-1.0/libpower.so
?? () from /usr/lib/unity-settings-daemon-1.0/libpower.so
ffi_call_unix64 () from /usr/lib/x86_64-linux-gnu/libffi.so.6
Title: unity-settings-daemon crashed with SIGSEGV in gnome_rr_screen_get_dpms_mode()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

Tags:

Revision history for this message

Carlos (kjol908) wrote on 2014-03-29:

#1

Dependencies.txt Edit (10.1 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (1.2 KiB, text/plain; charset="utf-8")
ProcMaps.txt Edit (48.3 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (802 bytes, text/plain; charset="utf-8")
Registers.txt Edit (804 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (2.1 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (9.2 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2014-03-29:

#2

StacktraceTop:
gnome_rr_screen_get_dpms_mode (screen=screen@entry=0x0, mode=mode@entry=0x7fff6ac5cadc, error=error@entry=0x7fff6ac5cb08) at gnome-rr.c:1160
gnome_rr_screen_set_dpms_mode (screen=0x0, mode=mode@entry=GNOME_RR_DPMS_OFF, error=error@entry=0x7fff6ac5cb08) at gnome-rr.c:1244
backlight_disable (manager=manager@entry=0x164d220) at gsd-power-manager.c:2010
handle_suspend_actions (manager=0x164d220) at gsd-power-manager.c:3375
logind_proxy_signal_cb (proxy=<optimized out>, sender_name=<optimized out>, signal_name=0x16433b0 "PrepareForSleep", parameters=0x7f32c8007f60, user_data=<optimized out>) at gsd-power-manager.c:3413

Revision history for this message

Apport retracing service (apport) wrote on 2014-03-29: Stacktrace.txt

#3

Stacktrace.txt Edit (3.8 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2014-03-29: StacktraceSource.txt

#4

StacktraceSource.txt Edit (3.6 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2014-03-29: ThreadStacktrace.txt

#5

ThreadStacktrace.txt Edit (6.6 KiB, text/plain)

Changed in unity-settings-daemon (Ubuntu):
importance:	Undecided → Medium
tags:	removed: need-amd64-retrace

Revision history for this message

Sebastien Bacher (seb128) wrote on 2014-04-04:

#6

seems similar to e.g https://bugzilla.redhat.com/show_bug.cgi?id=1010639

Robert Ancell (robert-ancell) on 2014-06-05

information type:

Private → Public

Revision history for this message

Launchpad Janitor (janitor) wrote on 2015-03-24:

#7

Status changed to 'Confirmed' because the bug affects multiple users.

Changed in unity-settings-daemon (Ubuntu):
status:	New → Confirmed

Revision history for this message

Sergey (siniy80) wrote on 2015-09-10:

#8

_usr_lib_unity-settings-daemon_unity-settings-daemon.1000.crash Edit (2.1 MiB, text/plain)

unity randomly crashes. It goes to login screen when it crashes.

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