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Subject[3.8-rc] regression: NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
From
I frequently see the following in the syslog:

[ 184.552914] ------------[ cut here ]------------
[ 184.552927] WARNING: at
/data/kernel/linux/net/sched/sch_generic.c:254
dev_watchdog+0xf2/0x151()
[ 184.552929] Hardware name: LIFEBOOK AH532
[ 184.552932] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
[ 184.552937] Pid: 0, comm: swapper/1 Not tainted
3.8.0-rc2-b11-00221-gd1c3ed6 #15
[ 184.552939] Call Trace:
[ 184.552941] <IRQ> [<ffffffff8138d4a2>] ? dev_watchdog+0xf2/0x151
[ 184.552953] [<ffffffff81025c8a>] ? warn_slowpath_common+0x73/0x87
[ 184.552956] [<ffffffff8138d3b0>] ? netif_tx_unlock+0x49/0x49
[ 184.552961] [<ffffffff81025d02>] ? warn_slowpath_fmt+0x45/0x4a
[ 184.552967] [<ffffffff8138d332>] ? netif_tx_lock+0x40/0x75
[ 184.552971] [<ffffffff8138d4a2>] ? dev_watchdog+0xf2/0x151
[ 184.552977] [<ffffffff8102f1a1>] ? call_timer_fn.isra.32+0x1d/0x73
[ 184.552981] [<ffffffff8102f34b>] ? run_timer_softirq+0x154/0x194
[ 184.552988] [<ffffffff8104cb84>] ? timekeeping_get_ns.constprop.6+0xd/0x31
[ 184.552992] [<ffffffff8102b4a5>] ? __do_softirq+0x96/0x139
[ 184.552997] [<ffffffff8146b00c>] ? call_softirq+0x1c/0x26
[ 184.553002] [<ffffffff81003cf4>] ? do_softirq+0x2e/0x62
[ 184.553006] [<ffffffff8102b615>] ? irq_exit+0x3d/0x98
[ 184.553011] [<ffffffff810184ad>] ? smp_apic_timer_interrupt+0x73/0x80
[ 184.553018] [<ffffffff8146aa0a>] ? apic_timer_interrupt+0x6a/0x70
[ 184.553020] <EOI> [<ffffffff81326f2b>] ? cpuidle_wrap_enter+0x38/0x69
[ 184.553033] [<ffffffff81326f27>] ? cpuidle_wrap_enter+0x34/0x69
[ 184.553039] [<ffffffff81326d81>] ? cpuidle_enter_state+0xa/0x31
[ 184.553044] [<ffffffff81326e41>] ? cpuidle_idle_call+0x99/0xb9
[ 184.553050] [<ffffffff81009059>] ? cpu_idle+0x99/0xe0
[ 184.553056] [<ffffffff8145e3a4>] ? start_secondary+0x1d6/0x1dc
[ 184.553059] ---[ end trace 54db26a54b22f673 ]---
[ 184.587487] r8169 0000:02:00.0 eth0: link up

It's a regression, it never happend before 3.8-rc.

-- Jörg
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