On Sat, Jun 15, 2013 at 02:46:46PM -0400, Dave Jones wrote:
 > I see this from time to time, but this is the first time in a few months since
 > I last saw it..
 > 
 > [90816.000090] ------------[ cut here ]------------
 > [90816.002995] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x248/0x260()
 > [90816.006283] NETDEV WATCHDOG: eth1 (r8169): transmit queue 0 timed out
 > [90816.009715] Modules linked in: ipt_MASQUERADE iptable_nat nf_nat_ipv4 nf_nat xt_LOG xt_limit ip6t_REJECT nf_conntrack_ipv6 nf_defrag_ipv6 ip6table_filter nf_conntrack_ipv4 nf_defrag_ipv4 ip6_tables xt_conntrack nf_conntrack microcode pcspkr serio_raw r8169 mii nfsd auth_rpcgss nfs_acl lockd sunrpc i915 video backlight i2c_algo_bit drm_kms_helper drm
 > [90816.019947] CPU: 2 PID: 0 Comm: swapper/2 Not tainted 3.10.0-rc5+ #7 
 > [90816.023930] Hardware name:                  /D510MO, BIOS MOPNV10J.86A.0175.2010.0308.0620 03/08/2010
 > [90816.027804]  ffffffff817d5979 ffff88007e603d18 ffffffff8152014b ffff88007e603d58
 > [90816.031640]  ffffffff8103cafb ffff88007e603d38 0000000000000000 ffff8800656b8000
 > [90816.035623]  ffff880076f74710 0000000000000001 0000000000000002 ffff88007e603db8
 > [90816.039362] Call Trace:
 > [90816.043287]  <IRQ>  [<ffffffff8152014b>] dump_stack+0x19/0x1b
 > [90816.046976]  [<ffffffff8103cafb>] warn_slowpath_common+0x6b/0xa0
 > [90816.051065]  [<ffffffff8103cbd1>] warn_slowpath_fmt+0x41/0x50
 > [90816.054851]  [<ffffffff8143d6f8>] dev_watchdog+0x248/0x260
 > [90816.058889]  [<ffffffff8143d4b0>] ? dev_deactivate_queue.constprop.36+0x70/0x70
 > [90816.062909]  [<ffffffff8104acc4>] call_timer_fn+0x84/0x100
 > [90816.066677]  [<ffffffff8104ac40>] ? destroy_timer_on_stack+0x20/0x20
 > [90816.070626]  [<ffffffff8143d4b0>] ? dev_deactivate_queue.constprop.36+0x70/0x70
 > [90816.074449]  [<ffffffff8104b2b3>] run_timer_softirq+0x1c3/0x270
 > [90816.078384]  [<ffffffff81044d72>] __do_softirq+0xe2/0x1c0
 > [90816.082329]  [<ffffffff81045025>] irq_exit+0xd5/0xe0
 > [90816.086135]  [<ffffffff81020738>] smp_apic_timer_interrupt+0x68/0xa0
 > [90816.090290]  [<ffffffff8152e16f>] apic_timer_interrupt+0x6f/0x80
 > [90816.094132]  <EOI>  [<ffffffff810753c8>] ? sched_clock_cpu+0xa8/0x120
 > [90816.097966]  [<ffffffff813e0d2e>] ? cpuidle_enter_state+0x5e/0xe0
 > [90816.101895]  [<ffffffff813e0d2a>] ? cpuidle_enter_state+0x5a/0xe0
 > [90816.105632]  [<ffffffff813e0e4e>] cpuidle_idle_call+0x9e/0x160
 > [90816.109484]  [<ffffffff810cdcad>] ? rcu_eqs_enter+0x5d/0xa0
 > [90816.113393]  [<ffffffff8100a7e9>] arch_cpu_idle+0x9/0x30
 > [90816.117143]  [<ffffffff81089000>] cpu_startup_entry+0x80/0x1b0
 > [90816.121225]  [<ffffffff81cab6e0>] start_secondary+0x265/0x26c
 > [90816.125014] ---[ end trace 4e00436f911bbea3 ]---
 > [90816.182424] r8169 0000:05:00.0 eth1: link up

Just happened again on rc7+. The frequency that I see this seems to have
increased for some reason.

	Dave