I had my eth0 die with this trace. restarting network didn't work, had to reboot the box. looks like a 2.6.32-279.2.1 bug or related to the eth0 driver? Any pointers would be appreciated.
OS: CentOS release 6.3 (Final)
08:24:29 kernel: ------------[ cut here ]------------
08:24:29 kernel: WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Not tainted)
08:24:29 kernel: Hardware name: X8DT6
08:24:29 kernel: NETDEV WATCHDOG: eth0 (e1000e): transmit queue 0 timed out
08:24:29 kernel: Modules linked in: autofs4 sunrpc cpufreq_ondemand acpi_cpufreq freq_table mperf ipv6 microcode ses enclosure sg serio_raw i2c_i801 i2c_core iTCO_wdt iTCO_vendor_support e1000e ioatdma dca i7core_edac edac_core ext4 mbcache jbd2
raid1 sd_mod crc_t10dif pata_acpi ata_generic ata_piix mpt2sas scsi_transport_sas raid_class dm_mirror dm_region_hash dm_log dm_mod [last unloaded: scsi_wait_scan]
08:24:29 kernel: Pid: 0, comm: swapper Not tainted 2.6.32-279.2.1.el6.x86_64 #1
08:24:29 kernel: Call Trace:
08:24:29 kernel: <IRQ> [<ffffffff8106b747>] ? warn_slowpath_common+0x87/0xc0
08:24:29 kernel: [<ffffffff8106b836>] ? warn_slowpath_fmt+0x46/0x50
08:24:29 kernel: [<ffffffff8145972d>] ? dev_watchdog+0x26d/0x280
08:24:29 kernel: [<ffffffff813a7960>] ? rh_timer_func+0x0/0x10
08:24:29 kernel: [<ffffffff813a7140>] ? usb_hcd_poll_rh_status+0x140/0x180
08:24:29 kernel: [<ffffffff8107dc65>] ? internal_add_timer+0xb5/0x110
08:24:29 kernel: [<ffffffff814594c0>] ? dev_watchdog+0x0/0x280
08:24:29 kernel: [<ffffffff8107e897>] ? run_timer_softirq+0x197/0x340
08:24:29 kernel: [<ffffffff810a21d0>] ? tick_sched_timer+0x0/0xc0
08:24:29 kernel: [<ffffffff8102b40d>] ? lapic_next_event+0x1d/0x30
08:24:29 kernel: [<ffffffff81073ec1>] ? __do_softirq+0xc1/0x1e0
08:24:29 kernel: [<ffffffff81096c50>] ? hrtimer_interrupt+0x140/0x250
08:24:29 kernel: [<ffffffff8100c24c>] ? call_softirq+0x1c/0x30
08:24:29 kernel: [<ffffffff8100de85>] ? do_softirq+0x65/0xa0
08:24:29 kernel: [<ffffffff81073ca5>] ? irq_exit+0x85/0x90
08:24:29 kernel: [<ffffffff81505d10>] ? smp_apic_timer_interrupt+0x70/0x9b
08:24:29 kernel: [<ffffffff8100bc13>] ? apic_timer_interrupt+0x13/0x20
08:24:29 kernel: <EOI> [<ffffffff812cd9fe>] ? intel_idle+0xde/0x170
08:24:29 kernel: [<ffffffff812cd9e1>] ? intel_idle+0xc1/0x170
08:24:29 kernel: [<ffffffff81407757>] ? cpuidle_idle_call+0xa7/0x140
08:24:29 kernel: [<ffffffff81009e06>] ? cpu_idle+0xb6/0x110
08:24:29 kernel: [<ffffffff814e446a>] ? rest_init+0x7a/0x80
08:24:29 kernel: [<ffffffff81c21f7b>] ? start_kernel+0x424/0x430
08:24:29 kernel: [<ffffffff81c2133a>] ? x86_64_start_reservations+0x125/0x129
08:24:29 kernel: [<ffffffff81c21438>] ? x86_64_start_kernel+0xfa/0x109
08:24:29 kernel: ---[ end trace fd2257f6319ad101 ]---
08:24:29 kernel: e1000e 0000:03:00.0: eth0: Reset adapter
08:24:29 kernel: e1000e 0000:03:00.0: eth0: Error reading PHY register
08:24:29 kernel: e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
08:24:30 abrt-dump-oops: Reported 1 kernel oopses to Abrt
08:24:30 abrtd: Directory 'oops-2012-08-12-08:24:30-6095-0' creation detected
08:24:30 abrtd: Can't open file '/var/spool/abrt/oops-2012-08-12-08:24:30-6095-0/uid': No such file or directory
08:24:37 kernel: Bridge firewalling registered
08:24:39 kernel: e1000e 0000:03:00.0: eth0: Reset adapter
08:24:39 kernel: e1000e 0000:03:00.0: eth0: Error reading PHY register
08:24:39 kernel: e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
08:24:49 kernel: e1000e 0000:03:00.0: eth0: Reset adapter
08:24:49 kernel: e1000e 0000:03:00.0: eth0: Error reading PHY register
08:24:49 kernel: e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
08:24:51 abrtd: Sending an email...
08:24:52 abrtd: Email was sent to: root@localhost
08:24:52 abrtd: Duplicate: UUID
08:24:52 abrtd: DUP_OF_DIR: /var/spool/abrt/oops-2012-08-03-09:06:36-13462-0
08:24:52 abrtd: New problem directory /var/spool/abrt/oops-2012-08-12-08:24:30-6095-0, processing
08:24:52 abrtd: Can't open file '/var/spool/abrt/oops-2012-08-12-08:24:30-6095-0/uid': No such file or directory
08:24:59 kernel: e1000e 0000:03:00.0: eth0: Reset adapter
08:24:59 kernel: e1000e 0000:03:00.0: eth0: Error reading PHY register
08:24:59 kernel: e1000e: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: Rx/Tx
08:25:49 kernel: e1000e 0000:03:00.0: eth0: Reset adapter
08:25:49 kernel: e1000e 0000:03:00.0: eth0: Error reading PHY register
Thanks
Nitin
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