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eth0 disconnects [message #44062] Fri, 11 November 2011 15:48 Go to previous message
EC_Chris is currently offline  EC_Chris
Messages: 1
Registered: November 2011
Junior Member
Hello,

I've been having a problem with my OpenVZ server where eth0 randomly stops working and the only way I can bring it back up is by logging in to the KVM and rebooting the server. There doesn't seem to be a pattern as to when this happens. Below is what is reported in /var/log/messages

Nov 11 00:05:56 ec-host1 kernel: [ 5875.921503] ------------[ cut here ]------------
Nov 11 00:05:56 ec-host1 kernel: [ 5875.921523] WARNING: at net/sched/sch_generic.c:267 dev_watchdog+0x26d/0x280() (Not tainted)
Nov 11 00:05:56 ec-host1 kernel: [ 5875.921540] Hardware name: X9SCL/X9SCM
Nov 11 00:05:56 ec-host1 kernel: [ 5875.921549] NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed out
Nov 11 00:05:56 ec-host1 kernel: [ 5875.921563] Modules linked in: xt_pkttype vzethdev simfs vzrst vzcpt nfs lockd fscache nfs_acl auth_rpcgss sunrpc vzdquota ip6table_mangle vzevent ipmi_devintf ipmi_si ipmi_msghandler vznetdev vzmon vzdev nf_nat_ftp iptable_nat nf_nat xt_length xt_hl xt_tcpmss xt_TCPMSS iptable_mangle xt_multiport xt_limit nf_conntrack_ftp ipt_LOG xt_DSCP xt_dscp ipt_REJECT nf_conntrack_ipv4 nf_defrag_ipv4 iptable_filter ip_tables ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 xt_state nf_conntrack ip6table_filter ip6_tables ipv6 serio_raw ghes hed i2c_i801 i2c_core sg iTCO_wdt iTCO_vendor_support e1000e ext4 mbcache jbd2 raid1 sd_mod crc_t10dif ahci dm_mod [last unloaded: scsi_wait_scan]
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922394] Pid: 0, comm: swapper Not tainted 2.6.32-042stab039.10 #1
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922479] Call Trace:
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922552]  <IRQ>  [<ffffffff81069407>] ? warn_slowpath_common+0x87/0xc0
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922634]  [<ffffffff810694f6>] ? warn_slowpath_fmt+0x46/0x50
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922711]  [<ffffffff8142ad7d>] ? dev_watchdog+0x26d/0x280
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922788]  [<ffffffff81111db3>] ? perf_pmu_enable+0x33/0x40
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922866]  [<ffffffff8107d004>] ? run_timer_softirq+0x1c4/0x390
Nov 11 00:05:56 ec-host1 kernel: [ 5875.922944]  [<ffffffff81057c4f>] ? scheduler_tick+0xdf/0x280
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923020]  [<ffffffff8142ab10>] ? dev_watchdog+0x0/0x280
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923097]  [<ffffffff81012999>] ? read_tsc+0x9/0x20
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923173]  [<ffffffff810722b3>] ? __do_softirq+0x103/0x260
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923250]  [<ffffffff810a1e35>] ? tick_dev_program_event+0x65/0xc0
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923329]  [<ffffffff810971e0>] ? hrtimer_interrupt+0x140/0x250
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923406]  [<ffffffff8100c3cc>] ? call_softirq+0x1c/0x30
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923483]  [<ffffffff8100e005>] ? do_softirq+0x65/0xa0
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923560]  [<ffffffff81071fbd>] ? irq_exit+0xcd/0xd0
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923636]  [<ffffffff814cc4f0>] ? smp_apic_timer_interrupt+0x70/0x9b
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923714]  [<ffffffff8100bd93>] ? apic_timer_interrupt+0x13/0x20
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923790]  <EOI>  [<ffffffff812d6cf0>] ? acpi_idle_enter_bm+0x29c/0x2d0
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923871]  [<ffffffff812d6ce9>] ? acpi_idle_enter_bm+0x295/0x2d0
Nov 11 00:05:56 ec-host1 kernel: [ 5875.923949]  [<ffffffff813dc607>] ? cpuidle_idle_call+0xa7/0x140
Nov 11 00:05:56 ec-host1 kernel: [ 5875.924027]  [<ffffffff81009f06>] ? cpu_idle+0xb6/0x110
Nov 11 00:05:56 ec-host1 kernel: [ 5875.925587]  [<ffffffff814acc45>] ? rest_init+0x85/0x90
Nov 11 00:05:56 ec-host1 kernel: [ 5875.925667]  [<ffffffff81c20f11>] ? start_kernel+0x401/0x40d
Nov 11 00:05:56 ec-host1 kernel: [ 5875.925747]  [<ffffffff81c2033a>] ? x86_64_start_reservations+0x125/0x129
Nov 11 00:05:56 ec-host1 kernel: [ 5875.925829]  [<ffffffff81c20438>] ? x86_64_start_kernel+0xfa/0x109
Nov 11 00:05:56 ec-host1 kernel: [ 5875.925909] ---[ end trace 5ecbf9fc348c093d ]---
Nov 11 00:05:56 ec-host1 kernel: [ 5875.925990] e1000e 0000:02:00.0: eth0: Reset adapter


My kernel version is 2.6.32-042stab039.10 and I'm running CentOS 6 on the host.

Thanks for any help!
 
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