This is not a duplicate of bug #436324. There's a similar signature, but has a new root cause as indicated by the sudden increase in duplicates in precise.
** This bug is no longer a duplicate of private bug 436324 -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to network-manager-applet in Ubuntu. https://bugs.launchpad.net/bugs/936644 Title: nm-applet assert failure: *** glibc detected *** nm-applet: free(): invalid pointer: 0x0000000001eb1370 *** Status in “network-manager-applet” package in Ubuntu: Confirmed Status in “network-manager-applet” source package in Precise: Confirmed Bug description: So after hitting bug #930491, I kill -9'ed nm-applet (it wouldn't die with a kill -15) and tried to restart it. Attempts to restart now run into the above-indicated assertion failure. ProblemType: Crash DistroRelease: Ubuntu 12.04 Package: network-manager-gnome 0.9.2.0+git.20120126t000800.5151959-0ubuntu2 ProcVersionSignature: Ubuntu 3.2.0-16.25-generic 3.2.6 Uname: Linux 3.2.0-16-generic x86_64 ApportVersion: 1.91-0ubuntu1 Architecture: amd64 AssertionMessage: *** glibc detected *** nm-applet: free(): invalid pointer: 0x0000000001eb1370 *** CheckboxSubmission: 017452a27eca3c8b498abbfa5ef91db9 CheckboxSystem: ecaaad6fa1e0799a0aa1126bf620f39e Date: Sun Feb 19 16:59:56 2012 ExecutablePath: /usr/bin/nm-applet InstallationMedia: Ubuntu 10.04.1 LTS "Lucid Lynx" - Release amd64 (20100816.1) IpRoute: default via 192.168.15.1 dev wlan1 proto static 169.254.0.0/16 dev wlan1 scope link metric 1000 192.168.15.0/24 dev wlan1 proto kernel scope link src 192.168.15.42 metric 2 192.168.122.0/24 dev virbr0 proto kernel scope link src 192.168.122.1 NetworkManager.state: [main] NetworkingEnabled=true WirelessEnabled=true WWANEnabled=true ProcCmdline: nm-applet ProcEnviron: SHELL=/bin/bash PATH=(custom, user) LANG=en_US.UTF-8 Signal: 6 SourcePackage: network-manager-applet StacktraceTop: __libc_message (do_abort=2, fmt=0x7f400bed9270 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201 malloc_printerr (action=3, str=0x7f400bed6221 "free(): invalid pointer", ptr=<optimized out>) at malloc.c:5007 g_datalist_clear () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 g_object_unref () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 Title: nm-applet assert failure: *** glibc detected *** nm-applet: free(): invalid pointer: 0x0000000001eb1370 *** UpgradeStatus: Upgraded to precise on 2011-11-08 (103 days ago) UserGroups: adm admin cdrom dialout libvirtd lpadmin mythtv plugdev sambashare src WifiSyslog: nmcli-dev: DEVICE TYPE STATE DBUS-PATH wlan1 802-11-wireless connected /org/freedesktop/NetworkManager/Devices/1 eth0 802-3-ethernet unavailable /org/freedesktop/NetworkManager/Devices/0 nmcli-nm: RUNNING VERSION STATE NET-ENABLED WIFI-HARDWARE WIFI WWAN-HARDWARE WWAN running 0.9.3.0 connected enabled enabled enabled enabled disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/network-manager-applet/+bug/936644/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp