/usr/bin/X11/xterm -ls -display $DISPLAY
通过xstart安装Oracle时候，在HPUX上可能会出现下面的问题
sendsig: useracc failed. 0x9fffffffa7bbce00 0x00000000005000
Pid 9517 was killed due to failure in writing the signal context - possible stack overflow.
解决方法
export PTHREAD_DEFAULT_STACK_SIZE=4194304
