Ubuntu
lightdm package

lightdm crashed with SIGSEGV in munmap()

Bug #1675141 reported by Benoit THIBAUD on 2017-03-22

156

This bug affects 30 people

Affects		Status	Importance	Assigned to	Milestone
	Light Display Manager	New	Undecided	Unassigned
	lightdm (Ubuntu)	Confirmed	Medium	Unassigned

Bug Description

didn't notice anything except that message that I had a bug to report...

ProblemType: Crash
DistroRelease: Ubuntu 17.04
Package: lightdm 1.21.5-0ubuntu1
ProcVersionSignature: Ubuntu 4.10.0-13.15-generic 4.10.1
Uname: Linux 4.10.0-13-generic x86_64
ApportVersion: 2.20.4-0ubuntu2
Architecture: amd64
Date: Wed Mar 22 20:03:09 2017
ExecutablePath: /usr/sbin/lightdm
InstallationDate: Installed on 2017-03-16 (6 days ago)
InstallationMedia: Xubuntu 17.04 "Zesty Zapus" - Alpha amd64 (20170316)
LightdmConfig:
[Seat:*]
autologin-guest=false
autologin-user=ben
autologin-user-timeout=0
ProcCmdline: lightdm --session-child 13 16
ProcEnviron:
LANG=fr_FR.UTF-8
PATH=(custom, no user)
Signal: 11
SourcePackage: lightdm
StacktraceTop:
munmap () at ../sysdeps/unix/syscall-template.S:84
_dl_unmap_segments (l=l@entry=0x55eb13fedb40) at ./dl-unmap-segments.h:32
_dl_unmap (map=map@entry=0x55eb13fedb40) at ../sysdeps/x86_64/tlsdesc.c:140
_dl_close_worker (map=map@entry=0x55eb13fedb40, force=force@entry=false) at dl-close.c:678
_dl_close_worker (force=false, map=0x55eb13fedb40) at dl-close.c:125
Title: lightdm crashed with SIGSEGV in munmap()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups:

Tags:

Revision history for this message

Benoit THIBAUD (frombenny) wrote on 2017-03-22:

Dependencies.txt Edit (6.0 KiB, text/plain; charset="utf-8")
Disassembly.txt Edit (1.1 KiB, text/plain; charset="utf-8")
JournalErrors.txt Edit (1.5 KiB, text/plain; charset="utf-8")
LightdmDisplayLog.txt Edit (11.7 KiB, text/plain; charset="utf-8")
LightdmLog.txt Edit (49.4 KiB, text/plain; charset="utf-8")
LightdmUsersConfig.txt Edit (451 bytes, text/plain; charset="utf-8")
ProcMaps.txt Edit (20.5 KiB, text/plain; charset="utf-8")
ProcStatus.txt Edit (1.2 KiB, text/plain; charset="utf-8")
Registers.txt Edit (829 bytes, text/plain; charset="utf-8")
SegvAnalysis.txt Edit (209 bytes, text/plain; charset="utf-8")
Stacktrace.txt Edit (4.1 KiB, text/plain; charset="utf-8")
ThreadStacktrace.txt Edit (6.7 KiB, text/plain; charset="utf-8")

Revision history for this message

Apport retracing service (apport) wrote on 2017-03-22:

StacktraceTop:
munmap () at ../sysdeps/unix/syscall-template.S:84
_dl_unmap_segments (l=l@entry=0x55eb13fedb40) at ./dl-unmap-segments.h:32
_dl_unmap (map=map@entry=0x55eb13fedb40) at ../sysdeps/x86_64/tlsdesc.c:140
_dl_close_worker (map=map@entry=0x55eb13fedb40, force=force@entry=false) at dl-close.c:678
_dl_close_worker (force=false, map=0x55eb13fedb40) at dl-close.c:125

Revision history for this message

Apport retracing service (apport) wrote on 2017-03-22: Stacktrace.txt

Stacktrace.txt Edit (8.5 KiB, text/plain)

Revision history for this message

Apport retracing service (apport) wrote on 2017-03-22: StacktraceSource.txt

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

Revision history for this message

Apport retracing service (apport) wrote on 2017-03-22: ThreadStacktrace.txt

ThreadStacktrace.txt Edit (11.4 KiB, text/plain)

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

Gunnar Hjalmarsson (gunnarhj) on 2017-03-22

information type:

Private → Public

Revision history for this message

Launchpad Janitor (janitor) wrote on 2017-03-27:

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

Changed in lightdm (Ubuntu):
status:	New → Confirmed

Apport retracing service (apport) on 2017-06-25

tags:

added: artful

Revision history for this message

corrado venturini (corradoventu) wrote on 2017-06-30:

corrado@corrado-art3:~/Documents$ ./inxi -Fx
System: Host: corrado-art3 Kernel: 4.11.0-9-generic x86_64 (64 bit gcc: 6.3.0)
           Desktop: Gnome 3.24.2 (Gtk 3.22.15-0ubuntu2) Distro: Ubuntu Artful Aardvark (development branch)
Machine: Device: desktop Mobo: Gigabyte model: H87M-D3H v: x.x UEFI: American Megatrends v: F3 date: 04/24/2013
CPU: Dual core Intel Core i3-4130 (-HT-MCP-) cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 13567
           clock speeds: max: 3400 MHz 1: 3400 MHz 2: 2720 MHz 3: 1712 MHz 4: 3400 MHz
Graphics: Card: Intel 4th Generation Core Processor Family Integrated Graphics Controller bus-ID: 00:02.0
           Display Server: x11 (X.Org 1.19.3) drivers: modesetting (unloaded: fbdev,vesa)
           Resolution: 1680x1050@59.88hz
           OpenGL: renderer: Mesa DRI Intel Haswell version: 4.5 Mesa 17.1.2 Direct Render: Yes
Audio: Card-1 Intel 8 Series/C220 Series High Definition Audio Controller
           driver: snd_hda_intel bus-ID: 00:1b.0
           Card-2 Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
           driver: snd_hda_intel bus-ID: 00:03.0
           Sound: Advanced Linux Sound Architecture v: k4.11.0-9-generic
Network: Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 v: 2.3LK-NAPI port: e000 bus-ID: 02:00.0
           IF: enp2s0 state: up speed: 100 Mbps duplex: full mac: 94:de:80:7e:90:a7
Drives: HDD Total Size: 1000.2GB (1.5% used)
           ID-1: /dev/sda model: ST1000DM003 size: 1000.2GB
Partition: ID-1: / size: 32G used: 6.1G (21%) fs: ext4 dev: /dev/sda8
           ID-2: swap-1 size: 8.59GB used: 0.00GB (0%) fs: swap dev: /dev/sda2
RAID: No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors: System Temperatures: cpu: 29.8C mobo: 27.8C
           Fan Speeds (in rpm): cpu: N/A
Info: Processes: 225 Uptime: 1:52 Memory: 1020.8/7861.1MB Init: systemd runlevel: 5 Gcc sys: N/A
           Client: Shell (bash 4.4.121) inxi: 2.3.22
corrado@corrado-art3:~/Documents$

corrado@corrado-art3:~/Documents$ ./inxi -Fx
System:    Host: corrado-art3 Kernel: 4.11.0-9-generic x86_64 (64 bit gcc: 6.3.0)
           Desktop: Gnome 3.24.2 (Gtk 3.22.15-0ubuntu2) Distro: Ubuntu Artful Aardvark (development branch)
Machine:   Device: desktop Mobo: Gigabyte model: H87M-D3H v: x.x UEFI: American Megatrends v: F3 date: 04/24/2013
CPU:       Dual core Intel Core i3-4130 (-HT-MCP-) cache: 3072 KB
           flags: (lm nx sse sse2 sse3 sse4_1 sse4_2 ssse3 vmx) bmips: 13567
           clock speeds: max: 3400 MHz 1: 3400 MHz 2: 2720 MHz 3: 1712 MHz 4: 3400 MHz
Graphics:  Card: Intel 4th Generation Core Processor Family Integrated Graphics Controller bus-ID: 00:02.0
           Display Server: x11 (X.Org 1.19.3) drivers: modesetting (unloaded: fbdev,vesa)
           Resolution: 1680x1050@59.88hz
           OpenGL: renderer: Mesa DRI Intel Haswell version: 4.5 Mesa 17.1.2 Direct Render: Yes
Audio:     Card-1 Intel 8 Series/C220 Series High Definition Audio Controller
           driver: snd_hda_intel bus-ID: 00:1b.0
           Card-2 Intel Xeon E3-1200 v3/4th Gen Core Processor HD Audio Controller
           driver: snd_hda_intel bus-ID: 00:03.0
           Sound: Advanced Linux Sound Architecture v: k4.11.0-9-generic
Network:   Card: Realtek RTL8111/8168/8411 PCI Express Gigabit Ethernet Controller
           driver: r8169 v: 2.3LK-NAPI port: e000 bus-ID: 02:00.0
           IF: enp2s0 state: up speed: 100 Mbps duplex: full mac: 94:de:80:7e:90:a7
Drives:    HDD Total Size: 1000.2GB (1.5% used)
           ID-1: /dev/sda model: ST1000DM003 size: 1000.2GB
Partition: ID-1: / size: 32G used: 6.1G (21%) fs: ext4 dev: /dev/sda8
           ID-2: swap-1 size: 8.59GB used: 0.00GB (0%) fs: swap dev: /dev/sda2
RAID:      No RAID devices: /proc/mdstat, md_mod kernel module present
Sensors:   System Temperatures: cpu: 29.8C mobo: 27.8C
           Fan Speeds (in rpm): cpu: N/A
Info:      Processes: 225 Uptime: 1:52 Memory: 1020.8/7861.1MB Init: systemd runlevel: 5 Gcc sys: N/A
           Client: Shell (bash 4.4.121) inxi: 2.3.22 
corrado@corrado-art3:~/Documents$

Apport retracing service (apport) on 2018-01-20

tags:

added: bionic

PEDRO (montesdeoca-pedro) on 2018-04-14

Changed in lightdm (Ubuntu):
assignee:	nobody → PEDRO (montesdeoca-pedro)
assignee:	PEDRO (montesdeoca-pedro) → nobody

Revision history for this message

Si Dedman (si-dedman) wrote on 2018-08-06:

Five identical bugs have been autoduplicated to here:
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1700391
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1720474
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1744450
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1756632
https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1761702
All are "lightdm crashed with SIGSEGV in _dl_fini()" rather than munmap()
If these are not the same bug then those 5 should be merged and unduplicated from this bug.

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lightdm crashed with SIGSEGV in munmap()

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lightdm package