i/o error，不能加载光驱、网卡、鼠标。
我中午离开电脑是电脑还很好的，一切正常．整个下午一直在帮一个网友传文件（往ftp里传），然后晚上回来时，电脑还在传文件，还很正常的，然后我无意识的重起了系统，系统启动加载光驱．网卡．鼠标时都显示i/o error, ［failure］，后来进入x-windows后又能使用鼠标，然后不能使用网卡，当然也不能上网。还有在text界面下我运行＃ｚｈｃｏｎ系统也提示i/o error, ［failure］。我的系统是redhat linux 8.0用了快一个月了，一切正常，最近我一直没动硬件，中午动了一些文件都是一些fat32分区的文件，应该不会影响系统的，不过也不排除误操作的可能。
我重起进win2000后，一切正常。没有任何问题。
最近出了这个问题害的我基本上不能用了，因此急盼赐教解决问题。 运行zhcon时的错误信息贴出来看看 我的启动日志文件：
Dec 20 13:59:56 silver syslog: syslogd startup succeeded
Dec 20 13:59:56 silver syslog: klogd startup succeeded
Dec 20 13:59:56 silver portmap: portmap startup succeeded
Dec 20 13:59:56 silver nfslock: rpc.statd startup succeeded
Dec 20 13:59:56 silver keytable: Loading keymap:
Dec 20 13:59:56 silver keytable:
Dec 20 13:59:56 silver keytable: Loading system font:
Dec 20 13:59:56 silver keytable:
Dec 20 13:59:56 silver rc: Starting keytable: succeeded
Dec 20 13:59:57 silver random: Initializing random number generator: succeeded
Dec 20 13:59:57 silver rc: Starting pcmcia: succeeded
Dec 20 13:59:57 silver netfs: Mounting other filesystems: succeeded
Dec 20 13:59:32 silver rc.sysinit: Mounting proc filesystem: succeeded
Dec 20 13:59:32 silver rc.sysinit: Unmounting initrd: succeeded
Dec 20 13:59:32 silver sysctl: net.ipv4.ip_forward = 0
Dec 20 13:59:32 silver sysctl: net.ipv4.conf.default.rp_filter = 1
Dec 20 13:59:32 silver sysctl: kernel.sysrq = 0
Dec 20 13:59:32 silver sysctl: kernel.core_uses_pid = 1
Dec 20 13:59:32 silver rc.sysinit: Configuring kernel parameters: succeeded
Dec 20 13:59:32 silver date: Fri Dec 20 13:59:30 CST 2002
Dec 20 13:59:32 silver rc.sysinit: Setting clock (localtime): Fri Dec 20 13:59:30 CST 2002 succeeded
Dec 20 13:59:32 silver rc.sysinit: Loading default keymap succeeded
Dec 20 13:59:32 silver rc.sysinit: Setting default font (lat0-sun16): succeeded
Dec 20 13:59:32 silver rc.sysinit: Setting hostname silver: succeeded
Dec 20 13:59:32 silver rc.sysinit: Initializing USB controller (usb-uhci): succeeded
Dec 20 13:59:58 silver apmd: apmd startup succeeded
Dec 20 13:59:32 silver rc.sysinit: Mounting USB filesystem: succeeded
Dec 20 13:59:32 silver rc.sysinit: Initializing USB HID interface: succeeded
Dec 20 13:59:32 silver rc.sysinit: Initializing USB keyboard: succeeded
Dec 20 13:59:32 silver rc.sysinit: Initializing USB mouse: succeeded
Dec 20 13:59:32 silver fsck: /: clean, 157066/832320 files, 998011/1662719 blocks
Dec 20 13:59:32 silver rc.sysinit: Checking root filesystem succeeded
Dec 20 13:59:32 silver rc.sysinit: Remounting root filesystem in read-write mode: succeeded
Dec 20 13:59:58 silver autofs: automount startup succeeded
Dec 20 13:59:32 silver rc.sysinit: Activating swap partitions: succeeded
Dec 20 13:59:36 silver rc.sysinit: Finding module dependencies: succeeded
Dec 20 13:59:36 silver fsck: /boot: clean, 42/26104 files, 12681/104359 blocks
Dec 20 13:59:36 silver rc.sysinit: Checking filesystems succeeded
Dec 20 13:59:37 silver rc.sysinit: Mounting local filesystems: succeeded
Dec 20 13:59:37 silver rc.sysinit: Enabling local filesystem quotas: succeeded
Dec 20 13:59:38 silver rc.sysinit: Enabling swap space: succeeded
Dec 20 13:59:41 silver updfstab: cannot stat /dev/cdrom: Input/output error
Dec 20 13:59:41 silver kudzu: Updating /etc/fstab failed
Dec 20 13:59:54 silver kudzu: succeeded
Dec 20 13:59:54 silver rc: Starting iptables: succeeded
Dec 20 13:59:54 silver sysctl: net.ipv4.ip_forward = 0
Dec 20 13:59:54 silver sysctl: net.ipv4.conf.default.rp_filter = 1
Dec 20 13:59:54 silver sysctl: kernel.sysrq = 0
Dec 20 13:59:54 silver sysctl: kernel.core_uses_pid = 1
Dec 20 13:59:54 silver network: Setting network parameters: succeeded
Dec 20 13:59:55 silver network: Bringing up loopback interface: succeeded
Dec 20 13:59:59 silver snmpd: snmpd startup succeeded
Dec 20 14:00:00 silver snmptrapd: Error: Failed to connect to the agentx master agent: Unknown host (No such file or directory)
Dec 20 14:00:00 silver snmptrapd: snmptrapd startup succeeded
Dec 20 14:00:01 silver sshd: Starting sshd:
Dec 20 14:00:01 silver sshd: succeeded
Dec 20 14:00:01 silver sshd:
Dec 20 14:00:01 silver rc: Starting sshd: succeeded
Dec 20 14:00:05 silver xinetd: xinetd startup succeeded
Dec 20 14:00:05 silver nfs: Starting NFS services: succeeded
Dec 20 14:00:05 silver nfs: rpc.rquotad startup succeeded
Dec 20 14:00:05 silver nfs: rpc.nfsd startup succeeded
Dec 20 14:00:05 silver nfs: rpc.mountd startup succeeded
Dec 20 14:00:06 silver gpm: gpm startup succeeded
Dec 20 14:00:10 silver httpd: httpd startup succeeded
Dec 20 14:00:11 silver crond: crond startup succeeded
Dec 20 14:00:12 silver xfs: xfs startup succeeded
Dec 20 14:00:14 silver smb: smbd startup succeeded
Dec 20 14:00:14 silver smb: nmbd startup succeeded
Dec 20 14:00:14 silver anacron: anacron startup succeeded
Dec 20 14:00:15 silver atd: atd startup succeeded
Dec 20 14:02:01 silver anacron: anacron shutdown succeeded
Dec 20 14:02:01 silver atd: atd shutdown succeeded
Dec 20 14:02:01 silver rc: Stopping keytable: succeeded
Dec 20 14:02:02 silver xfs: xfs shutdown succeeded
Dec 20 14:02:02 silver gpm: gpm shutdown failed
Dec 20 14:02:03 silver httpd: httpd shutdown succeeded
Dec 20 14:02:03 silver nfs: rpc.mountd shutdown succeeded
Dec 20 14:02:08 silver nfs: nfsd shutdown succeeded
Dec 20 14:02:08 silver nfs: rpc.rquotad shutdown succeeded
Dec 20 14:02:08 silver nfs: Shutting down NFS services: succeeded
Dec 20 14:02:08 silver sshd: sshd -TERM succeeded
Dec 20 14:02:08 silver smb: smbd shutdown succeeded
Dec 20 14:02:08 silver smb: nmbd shutdown failed
Dec 20 14:02:08 silver snmpd: snmpd shutdown succeeded
Dec 20 14:02:09 silver snmptrapd: snmptrapd shutdown succeeded
Dec 20 14:02:09 silver xinetd: xinetd shutdown succeeded
Dec 20 14:02:09 silver crond: crond shutdown succeeded
Dec 20 14:02:10 silver apmd: apmd shutdown succeeded
Dec 20 14:02:10 silver dd: 1+0 records in
Dec 20 14:02:10 silver dd: 1+0 records out
Dec 20 14:02:10 silver random: Saving random seed: succeeded
Dec 20 14:02:11 silver nfslock: rpc.statd shutdown succeeded
Dec 20 14:02:11 silver portmap: portmap shutdown succeeded
Dec 20 14:02:12 silver syslog: klogd shutdown succeeded
Dec 20 14:03:22 silver syslog: syslogd startup succeeded
Dec 20 14:03:23 silver syslog: klogd startup succeeded
Dec 20 14:03:23 silver portmap: portmap startup succeeded
Dec 20 14:03:23 silver nfslock: rpc.statd startup succeeded
Dec 20 14:03:23 silver keytable: Loading keymap:
Dec 20 14:03:23 silver keytable: ^[[60G
Dec 20 14:03:23 silver keytable:
Dec 20 14:03:23 silver keytable:
Dec 20 14:03:23 silver rc: Starting keytable: succeeded
Dec 20 14:03:24 silver random: Initializing random number generator: succeeded
Dec 20 14:03:24 silver rc: Starting pcmcia: succeeded
Dec 20 14:03:24 silver netfs: Mounting other filesystems: succeeded
Dec 20 14:02:58 silver rc.sysinit: Mounting proc filesystem: succeeded
Dec 20 14:02:58 silver rc.sysinit: Unmounting initrd: succeeded
Dec 20 14:02:58 silver sysctl: net.ipv4.ip_forward = 0
Dec 20 14:02:58 silver sysctl: net.ipv4.conf.default.rp_filter = 1
Dec 20 14:02:58 silver sysctl: kernel.sysrq = 0
Dec 20 14:02:58 silver sysctl: kernel.core_uses_pid = 1
Dec 20 14:02:58 silver rc.sysinit: Configuring kernel parameters: succeeded
Dec 20 14:02:58 silver date: Fri Dec 20 14:02:56 CST 2002
Dec 20 14:02:58 silver rc.sysinit: Setting clock (localtime): Fri Dec 20 14:02:56 CST 2002 succeeded
Dec 20 14:02:58 silver rc.sysinit: Loading default keymap succeeded
Dec 20 14:02:58 silver rc.sysinit: Setting default font (lat0-sun16): succeeded
Dec 20 14:02:58 silver rc.sysinit: Setting hostname silver: succeeded
Dec 20 14:03:24 silver apmd: apmd startup succeeded
Dec 20 14:02:58 silver rc.sysinit: Initializing USB controller (usb-uhci): succeeded
Dec 20 14:02:58 silver rc.sysinit: Mounting USB filesystem: succeeded
Dec 20 14:02:58 silver rc.sysinit: Initializing USB HID interface: succeeded
Dec 20 14:02:58 silver rc.sysinit: Initializing USB keyboard: succeeded
Dec 20 14:02:58 silver rc.sysinit: Initializing USB mouse: succeeded
Dec 20 14:02:58 silver fsck: /: clean, 157072/832320 files, 998025/1662719 blocks
Dec 20 14:02:58 silver rc.sysinit: Checking root filesystem succeeded
Dec 20 14:02:58 silver rc.sysinit: Remounting root filesystem in read-write mode: succeeded
Dec 20 14:02:58 silver rc.sysinit: Activating swap partitions: succeeded
Dec 20 14:03:02 silver rc.sysinit: Finding module dependencies: succeeded
Dec 20 14:03:02 silver fsck: /boot: clean, 42/26104 files, 12681/104359 blocks
Dec 20 14:03:25 silver autofs: automount startup succeeded
Dec 20 14:03:02 silver rc.sysinit: Checking filesystems succeeded
Dec 20 14:03:04 silver rc.sysinit: Mounting local filesystems: succeeded
Dec 20 14:03:04 silver rc.sysinit: Enabling local filesystem quotas: succeeded
Dec 20 14:03:05 silver rc.sysinit: Enabling swap space: succeeded
Dec 20 14:03:09 silver updfstab: cannot stat /dev/cdrom: Input/output error
Dec 20 14:03:09 silver kudzu: Updating /etc/fstab failed
Dec 20 14:03:21 silver kudzu: succeeded
Dec 20 14:03:21 silver rc: Starting iptables: succeeded
Dec 20 14:03:21 silver sysctl: net.ipv4.ip_forward = 0
Dec 20 14:03:21 silver sysctl: net.ipv4.conf.default.rp_filter = 1
Dec 20 14:03:21 silver sysctl: kernel.sysrq = 0
Dec 20 14:03:21 silver sysctl: kernel.core_uses_pid = 1
Dec 20 14:03:21 silver network: Setting network parameters: succeeded
Dec 20 14:03:22 silver network: Bringing up loopback interface: succeeded
Dec 20 14:03:26 silver snmpd: snmpd startup succeeded
Dec 20 14:03:26 silver snmptrapd: Error: Failed to connect to the agentx master agent: Unknown host (No such file or directory)
Dec 20 14:03:27 silver snmptrapd: snmptrapd startup succeeded
Dec 20 14:03:27 silver sshd: Starting sshd:
Dec 20 14:03:28 silver sshd: succeeded
Dec 20 14:03:28 silver sshd:
Dec 20 14:03:28 silver rc: Starting sshd: succeeded
Dec 20 14:03:31 silver xinetd: xinetd startup succeeded
Dec 20 14:04:40 silver rc: Stopping keytable: succeeded
Dec 20 14:04:40 silver sshd: sshd -TERM succeeded
Dec 20 14:04:40 silver snmpd: snmpd shutdown failed
Dec 20 14:04:40 silver snmptrapd: snmptrapd shutdown succeeded
Dec 20 14:04:41 silver apmd: apmd shutdown succeeded
Dec 20 14:04:42 silver dd: 1+0 records in
Dec 20 14:04:42 silver dd: 1+0 records out
Dec 20 14:04:42 silver random: Saving random seed: succeeded
Dec 20 14:04:42 silver nfslock: rpc.statd shutdown succeeded
Dec 20 14:04:42 silver portmap: portmap shutdown succeeded
Dec 20 14:04:43 silver syslog: klogd shutdown succeeded 运行zhcon的错误信息：
#zhcon
屏幕一闪
然后在屏幕的顶部显示：
open /dev/zero:Input/Output error
LRMI.init( ) failed
[…silver…root]$
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