网卡无端端一直重启，什么原因？

qiuggv

以下是日志，请大家多多帮吗
IBM X3650 M2上安装centos5.3，每天基本都这个时候出现问题，网络无法连上


Apr 30 17:06:33 infoweb automount[3697]: lookup_mount: exports lookup failed for
xinshi
Apr 30 17:06:33 infoweb automount[3697]: create_udp_client:90: hostname lookup f
ailed: Operation not permitted

Apr 29 16:32:53 web automount[3693]: create_tcp_client:299: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: lookup_mount: exports lookup failed for xinshi
Apr 29 16:32:53 web automount[3693]: create_udp_client:90: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: create_tcp_client:299: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: lookup_mount: exports lookup failed for xinshi
Apr 29 16:32:53 web automount[3693]: create_udp_client:90: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: create_tcp_client:299: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: lookup_mount: exports lookup failed for xinshi
Apr 29 16:32:53 web automount[3693]: create_udp_client:90: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: create_tcp_client:299: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: lookup_mount: exports lookup failed for xinshi
Apr 29 16:32:53 web automount[3693]: create_udp_client:90: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: create_tcp_client:299: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: lookup_mount: exports lookup failed for xinshi
Apr 29 16:32:53 web automount[3693]: create_udp_client:90: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: create_tcp_client:299: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: lookup_mount: exports lookup failed for xinshi
Apr 29 16:32:53 web automount[3693]: create_udp_client:90: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: create_tcp_client:299: hostname lookup failed: Operation not permitted
Apr 29 16:32:53 web automount[3693]: lookup_mount: exports lookup failed for xinshi
Apr 30 16:52:03 web kernel: bnx2: eth0 NIC Copper Link is Down
Apr 30 16:52:05 web kernel: bnx2: eth0 NIC Copper Link is Up, 100 Mbps full duplex, receive & transmit flow control ON
Apr 30 16:52:58 web kernel: bnx2: eth0 NIC Copper Link is Down
Apr 30 16:53:00 web kernel: bnx2: eth0 NIC Copper Link is Up, 100 Mbps full duplex, receive & transmit flow control ON
Apr 30 16:53:28 web kernel: bnx2: eth0 NIC Copper Link is Down
Apr 30 16:53:53 web kernel: bnx2: eth0 NIC Copper Link is Up, 100 Mbps full duplex, receive & transmit flow control ON
Apr 30 16:54:04 web gdm[4047]: Master halting...
Apr 30 16:54:04 web shutdown[4047]: shutting down for system halt
Apr 30 16:54:04 web pcscd: winscard.c:304:SCardConnect() Reader E-Gate 0 0 Not Found
Apr 30 16:54:05 web smartd[4027]: smartd received signal 15: Terminated
Apr 30 16:54:05 web smartd[4027]: smartd is exiting (exit status 0)
Apr 30 16:54:05 web avahi-daemon[3891]: Got SIGTERM, quitting.
Apr 30 16:54:05 web avahi-daemon[3891]: Leaving mDNS multicast group on interface eth0.IPv6 with address fe80::e61f:13ff:fe61
:c0f4.
Apr 30 16:54:05 web avahi-daemon[3891]: Leaving mDNS multicast group on interface eth0.IPv4 with address 198.10.10.225.
Apr 30 16:54:06 web avahi-daemon[3891]: Leaving mDNS multicast group on interface usb0.IPv6 with address fe80::e41f:13ff:fe53
:c0f7.
Apr 30 16:54:10 web hcid[3556]: Got disconnected from the system message bus
Apr 30 16:54:10 web rpc.statd[3472]: Caught signal 15, un-registering and exiting.
Apr 30 16:54:10 web auditd[3384]: The audit daemon is exiting.
Apr 30 16:54:10 web kernel: audit(1272617650.851:1116): audit_pid=0 old=3384 by auid=4294967295
Apr 30 16:54:10 web pcscd: pcscdaemon.c:572:signal_trap() Preparing for suicide
Apr 30 16:54:11 web pcscd: hotplug_libusb.c:376:HPRescanUsbBus() Hotplug stopped
:

chenyx

ifconfig检查下网卡的收发数据流量,以及网卡的error包是否很多
如果error多,检查下网线