blender crashed with SIGSEGV in __GI___poll()

[porceillon]

impossible d'éteindre l'ordinateur et blender ne démarre plus

ProblemType: Crash
DistroRelease: Ubuntu 18.04
Package: blender 2.79+dfsg0-3
ProcVersionSignature: Ubuntu 4.13.0-26.29~16.04.2-generic 4.13.13
Uname: Linux 4.13.0-26-generic x86_64
ApportVersion: 2.20.8-0ubuntu6
Architecture: amd64
CrashCounter: 1
CurrentDesktop: ubuntu:GNOME
Date: Wed Jan 17 15:04:19 2018
ExecutablePath: /usr/bin/blender
InstallationDate: Installed on 2017-05-03 (259 days ago)
InstallationMedia: Ubuntu 16.04.2 LTS "Xenial Xerus" - Release amd64 (20170215.2)
ProcCmdline: blender
ProcEnviron:
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=fr_FR.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: blender
StacktraceTop:
 __GI___poll (fds=0x7f04283fe010, nfds=2, timeout=-1) at ../sysdeps/unix/sysv/linux/poll.c:29
 ?? () from /lib/x86_64-linux-gnu/libusb-1.0.so.0
 start_thread (arg=0x7f04283ff700) at pthread_create.c:465
 clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:95
Title: blender crashed with SIGSEGV in __GI___poll()
UpgradeStatus: Upgraded to bionic on 2018-01-17 (0 days ago)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

Thank you for taking the time to report this crash and helping to make this software better. This particular crash has already been reported and is a duplicate of bug #1724942, so is being marked as such. Please look at the other bug report to see if there is any missing information that you can provide, or to see if there is a workaround for the bug. Additionally, any further discussion regarding the bug should occur in the other report. Please continue to report any other bugs you may find.