*** This bug is a duplicate of bug 1553328 *** https://bugs.launchpad.net/bugs/1553328
The nouveau driver is too unstable to handle multi-threaded rendering (which Mir and Unity8 uses by default). If you want to use nouveau maybe try unplugging one of your monitors. -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to unity-system-compositor in Ubuntu. https://bugs.launchpad.net/bugs/1672793 Title: unity-system-compositor crashed with SIGSEGV Status in Unity System Compositor: New Status in unity-system-compositor package in Ubuntu: New Bug description: I just got this on the first login to my new Ubuntu user profile ProblemType: Crash DistroRelease: Ubuntu 17.04 Package: unity-system-compositor 0.9.1+17.04.20170216-0ubuntu1 ProcVersionSignature: Ubuntu 4.10.0-11.13-generic 4.10.1 Uname: Linux 4.10.0-11-generic x86_64 ApportVersion: 2.20.4-0ubuntu2 Architecture: amd64 Date: Tue Mar 14 20:14:24 2017 ExecutablePath: /usr/sbin/unity-system-compositor GraphicsCard: NVIDIA Corporation GT218 [GeForce 210] [10de:0a65] (rev a2) (prog-if 00 [VGA controller]) InstallationDate: Installed on 2013-09-15 (1275 days ago) InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Release amd64 (20130424) ProcCmdline: /usr/sbin/unity-system-compositor --disable-inactivity-policy=true --on-fatal-error-abort --file /run/mir_socket --from-dm-fd 13 --to-dm-fd 22 --vt 8 ProcEnviron: SegvAnalysis: Segfault happened at: 0x7f8dc76dd07f: mov 0x8(%r15),%edx PC (0x7f8dc76dd07f) ok source "0x8(%r15)" (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: unity-system-compositor StacktraceTop: () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 () at /usr/lib/x86_64-linux-gnu/libdrm_nouveau.so.2 () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so () at /usr/lib/x86_64-linux-gnu/dri/nouveau_dri.so Title: unity-system-compositor crashed with SIGSEGV UpgradeStatus: No upgrade log present (probably fresh install) UserGroups: version.libdrm: libdrm2 2.4.75-1ubuntu1 version.lightdm: lightdm 1.21.5-0ubuntu1 version.mesa: libegl1-mesa-dev 13.0.4-1ubuntu1 To manage notifications about this bug go to: https://bugs.launchpad.net/unity-system-compositor/+bug/1672793/+subscriptions -- 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