Bricscad crashes on ltsp ubuntu 16.04

 
Hi,

I upgrade from ubuntu LTS 14.04 to 16.04
I use ltsp and everything was fine before update, but now briscad crashes just after startup

The following errors messages appear:

[  830.398440] bricscad[7253]: segfault at 27 ip 00007fc9a716c769 sp 00007ffe5c38a740 error 4 in libpango-1.0.so.0.3800.1[7fc9a714e000+49000]
[82182.097276] traps: bricscad[25742] trap stack segment ip:7f97debc794c sp:7f97a3f3ac10 error:0 in libc-2.23.so[7f97deb48000+1bf000]

System information: S5520HC
OS: Ubuntu 16.04.2 LTS x86_64
Kernel: 4.8.0-36-lowlatency
Resolution: 1920x1080, 1920x1200  
DE: KDE5  
WM: KWin 
CPU: Intel Xeon X5670 (24) @ 2.9GHz 
GPU: AMD Radeon R7 370 
Memory: 7688MB / 24045MB