~~NOTOC~~
===== q202 slurm 提交或直接运行 PWmat 报 segmentation fault =====

<WRAP lo>
==== symptom 现象 ====
</WRAP>

<code bash>
forrtl: severe (174): SIGSEGV, segmentation fault occurred
Image              PC                Routine            Line        Source
PWmat              0000000002D26B2A  Unknown               Unknown  Unknown
libpthread-2.17.s  00007F3E9B57A630  Unknown               Unknown  Unknown
PWmat              0000000000CE3263  Unknown               Unknown  Unknown
PWmat              000000000071191D  Unknown               Unknown  Unknown
PWmat              0000000000CE2E72  Unknown               Unknown  Unknown
PWmat              0000000000592192  Unknown               Unknown  Unknown
libc-2.17.so       00007F3E9AEBD555  __libc_start_main     Unknown  Unknown
PWmat              0000000000592095  Unknown               Unknown  Unknown
forrtl: severe (174): SIGSEGV, segmentation fault occurred
</code>


<WRAP em>
==== 解决方法 ====
</WRAP>

> 在终端执行 或 在脚本中加上

<code bash>
ulimit -s unlimited
</code>

<WRAP em>
==== root cause 原因 ====
</WRAP>

<code bash>
初始堆栈过小
</code>