after upgrading from 2.6.32-279.22.1.el6.x86_64 to 2.6.32-358.6.2.el6.x86_64<br />
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i have had 2 different occurrences of an issue that looks like bug 6249.<br />
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backtrace: <br />
:WARNING: at net/sched/sch_generic.c:261 dev_watchdog+0x26d/0x280() (Tainted: G I--------------- ) <br />
:Hardware name: ProLiant DL360 G5 <br />
:NETDEV WATCHDOG: eth1 (bnx2): transmit queue 0 timed out <br />
:Modules linked in: iptable_filter ip_tables xt_iprange bnx2fc cnic uio fcoe libfcoe 8021q garp libfc stp llc scsi_transport_fc scsi_tgt ipv6 bnx2 hpilo hpwdt microcode sg serio_raw iTCO_wdt iTCO_vendor_support i5000_edac edac_core i5k_amb shpchp ext3 jbd mbcache sr_mod cdrom pata_acpi ata_generic ata_piix hpsa cciss radeon ttm drm_kms_helper drm i2c_algo_bit i2c_core dm_mirror dm_region_hash dm_log dm_mod [last unloaded: ip_tables] <br />
:Pid: 0, comm: swapper Tainted: G I--------------- 2.6.32-358.6.2.el6.x86_64 <a href="http://bugs.centos.org/view.php?id=1">0000001</a> <br />
:Call Trace: <br />
:<IRQ> [<ffffffff8106e2e7>] ? warn_slowpath_common+0x87/0xc0 <br />
:[<ffffffff8106e3d6>] ? warn_slowpath_fmt+0x46/0x50 <br />
:[<ffffffff81467bfd>] ? dev_watchdog+0x26d/0x280 <br />
:[<ffffffff81467990>] ? dev_watchdog+0x0/0x280 <br />
:[<ffffffff81081837>] ? run_timer_softirq+0x197/0x340 <br />
:[<ffffffff810a7ff0>] ? tick_sched_timer+0x0/0xc0 <br />
:[<ffffffff8102e99d>] ? lapic_next_event+0x1d/0x30 <br />
:[<ffffffff81076fb1>] ? __do_softirq+0xc1/0x1e0 <br />
:[<ffffffff8109b77b>] ? hrtimer_interrupt+0x14b/0x260 <br />
:[<ffffffff8100c1cc>] ? call_softirq+0x1c/0x30 <br />
:[<ffffffff8100de05>] ? do_softirq+0x65/0xa0 <br />
:[<ffffffff81076d95>] ? irq_exit+0x85/0x90 <br />
:[<ffffffff81517230>] ? smp_apic_timer_interrupt+0x70/0x9b <br />
:[<ffffffff8100bb93>] ? apic_timer_interrupt+0x13/0x20 <br />
:<EOI> [<ffffffff81014857>] ? mwait_idle+0x77/0xd0 <br />
:[<ffffffff815136ea>] ? atomic_notifier_call_chain+0x1a/0x20 <br />
:[<ffffffff81009fc6>] ? cpu_idle+0xb6/0x110 <br />
:[<ffffffff81506fcc>] ? start_secondary+0x2ac/0x2ef
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