什么是中断门? 中断门是x86的一种指向(code,data,stack)段描述符的一种特殊的段描述符,也就是system segment,而code,data,stack则为user segment. 当中断产生的时候,中断向量在IDT表中获得中断门,然后根据中断门中对应的segment selector定位获得GDT或LDT中的code segment,获得中断服务历程的entry地址。 中断门和陷阱门的区别 通过中断门的转移和通过陷阱门的转移之间的差别只是对IF标志的处理。对于中断门,在...
by fire_xiyou - Solaris文档中心 - 2008-03-14 18:15:30 阅读(851) 回复(0)
Nov 27 21:09:28 mail portsentry[25978]: attackalert: TCP SYN/Normal scan from host: 218.238.114.79/218.238.114.79 to TCP port: 139 Nov 27 21:09:28 mail portsentry[25978]: attackalert: Host 218.238.114.79 has been blocked via dropped route using command: "/sbin/iptables -I INPUT -s 218.238.114.79 -j DROP" [ 本帖最后由 hnchina 于 2006-11-29 10:34 编辑 ]
[New Thread 1084275904 (LWP 25483)] [New Thread 1092664384 (LWP 25484)] [New Thread 1101052864 (LWP 25485)] [New Thread 1116941120 (LWP 25486)] sem_wait() fail: : Interrupted system call Program received signal SIGSEGV, Segmentation fault. [Switching to Thread 1092664384 (LWP 25484)] 0x40025792 in sipt_resp_thread (myarg=0x80560d8) at sipt_sig.c:186 186 respond_to_request ( de...
兄弟们,我遇到了多次cpu panic和 interrupt level 3 not serviced的告警信息,随后系统自动sync。这是为啥?能否告诉我终端级 别3代表的意思,其他的中断级别又是沙意思?下面为/var/adm/messages的截取片断 ------------------ Jan 25 03:10:43 mailcom1 syslogd: line 40: unknown priority name "debug /var/log/ipflog" Jan 31 00:13:17 mailcom1 unix: panic[cpu11]/thread=3001f97c0e0: Jan 31 00:13:1...