为什么valgrind打印：错误写入36个字节到共享mem / tmp / vgdb-pipe-shared-mem-vgdb-2758-by-root-on-？

Question

在启动期间，valgrind打印以下内容并以静默方式终止。为什么会发生这种情况？它是什么意思？

==2758== Memcheck, a memory error detector
==2758== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==2758== Using Valgrind-3.11.0 and LibVEX; rerun with -h for copyright info
==2758== Command: /usr/local/bin/bp_mat_00
==2758==
==2758== error writing 36 bytes to shared mem /tmp/vgdb-pipe-shared-mem-vgdb-2758-by-root-on-???

Answer 1

这意味着valgrind会尝试写入已满的目录。参见

df -h

但是如果目录在valgrind运行的后期被填充，那么valgrind可能无法打印该消息，可能不会终止，但仍然可能无法正常工作...