I don't think the problem description is clear that both the Mir and
Unity8 compositors are affected. (It can be read as applying to the
stack including Unity8.) Thanks for clarifying.

You received this bug notification because you are a member of Ubuntu
Touch seeded packages, which is subscribed to libdrm in Ubuntu.

  Mir/Unity8/USC crashes/freezes on nouveau (nv50) in pushbuf_kref()
  especially with multiple monitors, webbrowser-app or system settings

Status in Canonical System Image:
Status in Mir:
Status in Nouveau Xorg driver:
Status in Unity System Compositor:
Status in libdrm package in Ubuntu:
Status in mesa package in Ubuntu:
Status in mir package in Ubuntu:
Status in qtmir package in Ubuntu:
  In Progress
Status in qtubuntu package in Ubuntu:
  In Progress

Bug description:
  Unit8 froze up while I was trying to open system settings.

  ProblemType: Crash
  DistroRelease: Ubuntu 16.04
  Package: unity8 8.11+16.04.20160216.1-0ubuntu1
  ProcVersionSignature: Ubuntu 4.4.0-9.24-generic 4.4.3
  Uname: Linux 4.4.0-9-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  Date: Fri Mar  4 19:12:54 2016
  ExecutablePath: /usr/bin/unity8
  InstallationDate: Installed on 2015-05-10 (299 days ago)
  InstallationMedia: Ubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422)
  ProcCmdline: unity8
   Segfault happened at: 0x7f58d568706c:        mov    0x8(%rsi),%edx
   PC (0x7f58d568706c) ok
   source "0x8(%rsi)" (0x00000008) not located in a known VMA region (needed 
readable region)!
   destination "%edx" ok
   Stack memory exhausted (SP below stack segment)
  SegvReason: reading NULL VMA
  Signal: 11
  SourcePackage: unity8
   ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
   ?? () from /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2
   ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
   ?? () from /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so
   ?? () from /usr/lib/x86_64-linux-gnu/mesa-egl/libEGL.so.1
  Title: unity8 crashed with SIGSEGV
  UpgradeStatus: Upgraded to xenial on 2015-11-07 (118 days ago)
  UserGroups: adm autopilot cdrom dip lpadmin plugdev sambashare sudo

To manage notifications about this bug go to:

Mailing list: https://launchpad.net/~touch-packages
Post to     : touch-packages@lists.launchpad.net
Unsubscribe : https://launchpad.net/~touch-packages
More help   : https://help.launchpad.net/ListHelp

Reply via email to