为什么QT2.2.0程序总是出现 was terminated due to application error(11)，我的程序里面写了五个线程，用ps命令查看如下，关掉一两个线程后，运行稍微稳定一些，不知道这是什么原因，是不是内存不足？
[root@FriendlyARM /]# ps
PID USER VSZ STAT COMMAND
1 root 2992 S init
2 root 0 SW [kthreadd]
3 root 0 SW [ksoftirqd/0]
4 root 0 SW [kworker/0:0]
5 root 0 SW [kworker/u:0]
6 root 0 SW< [khelper]
7 root 0 SW [kworker/u:1]
346 root 0 SW [sync_supers]
348 root 0 SW [bdi-default]
349 root 0 SW< [kblockd]
359 root 0 SW [khubd]
455 root 0 SW< [rpciod]
456 root 0 SW [kworker/0:1]
464 root 0 SW [khungtaskd]
465 root 0 SW [kswapd0]
515 root 0 SW [fsnotify_mark]
517 root 0 SW< [aio]
527 root 0 SW< [nfsiod]
531 root 0 SW< [crypto]
615 root 0 SW [mtdblock0]
620 root 0 SW [mtdblock1]
625 root 0 SW [mtdblock2]
634 root 0 SW [ubi_bgt0d]
793 root 0 SW [pvrusb2-context]
866 root 0 SW [kworker/u:2]
915 root 0 SW [ubifs_bgt0_0]
938 root 2992 S syslogd
944 root 3312 S /usr/sbin/inetd
948 root 2028 S /usr/sbin/boa
951 root 1504 S /usr/bin/led-player
963 root 2252 S fa-network-service
964 root 57060 S /opt/Qtopia/bin/appCollect -qws
965 root 2992 S init
966 root 2992 S init
970 root 2992 S init
971 root 2992 S init
976 root 0 SW [flush-ubifs_0_0]
982 root 3320 S /usr/sbin/telnetd -i
983 root 3316 S -sh
986 root 3316 R ps
