日志文件报错含义，请各位帮忙？

nicolewdc

系统：UnixWare 7.1.1
日志文件中报错如下：
Feb 27 10:10:0 ICBC syslogd: restart
Feb 27 10:10:04 ICBC in.xntpd[1097]: xntpd version=3.5f; Mon Sep 30 16:08:12 BST 1996 (1)
Feb 27 10:10:04 ICBC in.xntpd[1097]: tickadj = 80, tick = 10000, tvu_maxslew = 7920
Feb 27 10:10:04 ICBC in.xntpd[1097]: precision = 10000 usec
Feb 27 10:10:05 ICBC unix: Novell IPX/TPI Socket Router 4.10a
Feb 27 10:10:05 ICBC unix: Novell IPX Lan Router 4.10a
Feb 27 10:10:05 ICBC in.snmpd[1170]: t_open of /dev/ipx failed: Resource temporarily unavailable.
请问各位大侠，最后一行：t_open of /dev/ipx failed: Resource temporarily unavailable.
是什么意思？谢谢！

CNL

增加/tmp空间