Thank you for reporting this bug to Ubuntu. Ubuntu 14.10 (utopic) reached end-of-life on July 23, 2015.
See this document for currently supported Ubuntu releases: https://wiki.ubuntu.com/Releases We appreciate that this bug may be old and you might not be interested in discussing it any more. But if you are then please upgrade to the latest Ubuntu version and re-test. If you then find the bug is still present in the newer Ubuntu version, please add a comment here telling us which new version it is in. ** Changed in: libav (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to libav in Ubuntu. https://bugs.launchpad.net/bugs/1352007 Title: avconv crashed with SIGSEGV in paint_mouse_pointer() Status in libav package in Ubuntu: Incomplete Bug description: Just grabbing x11. ProblemType: Crash DistroRelease: Ubuntu 14.10 Package: libav-tools 6:10.2-2 ProcVersionSignature: Ubuntu 3.16.0-6.11-generic 3.16.0-rc7 Uname: Linux 3.16.0-6-generic x86_64 NonfreeKernelModules: nvidia ApportVersion: 2.14.5-0ubuntu3 Architecture: amd64 CurrentDesktop: KDE Date: Sun Aug 3 23:10:45 2014 ExecutablePath: /usr/bin/avconv InstallationDate: Installed on 2014-05-29 (66 days ago) InstallationMedia: Kubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140416.1) ProcCmdline: avconv -f x11grab -s 1920x1080 -r 30 -i :0.0 -qscale 0 grab.webm SegvAnalysis: Segfault happened at: 0x7f199618555d: movzwl 0x8(%rax),%edx PC (0x7f199618555d) ok source "0x8(%rax)" (0x00000008) not located in a known VMA region (needed readable region)! destination "%edx" ok SegvReason: reading NULL VMA Signal: 11 SourcePackage: libav StacktraceTop: ?? () from /usr/lib/x86_64-linux-gnu/libavdevice.so.54 ?? () from /usr/lib/x86_64-linux-gnu/libavformat.so.55 ?? () from /usr/lib/x86_64-linux-gnu/libavformat.so.55 av_read_frame () from /usr/lib/x86_64-linux-gnu/libavformat.so.55 ?? () Title: avconv crashed with SIGSEGV in av_read_frame() UpgradeStatus: Upgraded to utopic on 2014-05-31 (63 days ago) UserGroups: libvirtd To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/libav/+bug/1352007/+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