*** This bug is a duplicate of bug 1497593 ***
https://bugs.launchpad.net/bugs/1497593
** This bug is no longer a duplicate of bug 1553328
Mir/Unity8/USC crashes/freezes on nouveau (nv50) in pushbuf_kref()
especially with multiple monitors, webbrowser-app or system settings
** This bug has been marked a duplicate of bug 1497593
[nouveau] Programs crash with SIGABRT in nouveau_pushbuf_data: Assertion
`kref' failed.
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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
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