fcitx-qimpanel crashed with SIGSEGV in malloc_consolidate()

[yifeng]

开机后系统提示的错误信息

ProblemType: Crash
DistroRelease: Ubuntu 16.04
Package: fcitx-ui-qimpanel 2.1.2-1
ProcVersionSignature: Ubuntu 4.4.0-5.20-generic 4.4.1
Uname: Linux 4.4.0-5-generic x86_64
NonfreeKernelModules: nvidia_uvm nvidia
ApportVersion: 2.20-0ubuntu2
Architecture: amd64
CrashCounter: 1
CurrentDesktop: Unity
Date: Tue Feb 16 17:40:55 2016
ExecutablePath: /usr/bin/fcitx-qimpanel
InstallationDate: Installed on 2016-02-05 (10 days ago)
InstallationMedia: Ubuntu 16.04 LTS "Xenial Xerus" - Alpha amd64 (20160205)
ProcCmdline: fcitx-qimpanel
ProcEnviron:
 LANGUAGE=zh_CN:zh
 PATH=(custom, user)
 XDG_RUNTIME_DIR=<set>
 LANG=zh_CN.UTF-8
 SHELL=/bin/bash
Signal: 11
SourcePackage: fcitx-qimpanel
StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f89e4000020) at malloc.c:4136
 _int_malloc (av=av@entry=0x7f89e4000020, bytes=bytes@entry=2032) at malloc.c:3417
 __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3213
 ?? () from /usr/lib/nvidia-352-updates/tls/libnvidia-tls.so.352.63
 g_malloc0 () from /lib/x86_64-linux-gnu/libglib-2.0.so.0
Title: fcitx-qimpanel crashed with SIGSEGV in malloc_consolidate()
UpgradeStatus: No upgrade log present (probably fresh install)
UserGroups: adm cdrom dip lpadmin plugdev sambashare sudo

[Apport retracing service (apport)]

StacktraceTop:
 malloc_consolidate (av=av@entry=0x7f89e4000020) at malloc.c:4136
 _int_malloc (av=av@entry=0x7f89e4000020, bytes=bytes@entry=2032) at malloc.c:3417
 __libc_calloc (n=<optimized out>, elem_size=<optimized out>) at malloc.c:3213
 ?? () from /tmp/apport_sandbox_duInth/usr/lib/nvidia-352-updates/tls/libnvidia-tls.so.352.63
 g_malloc0 () from /tmp/apport_sandbox_duInth/lib/x86_64-linux-gnu/libglib-2.0.so.0