[r8169] WARNING: at net/sched/sch_generic.c

From: Sergey Senozhatsky
Date: Wed Mar 31 2010 - 06:21:37 EST

Hello,
I have the following problem:

[ 296.337510] ------------[ cut here ]------------
[ 296.337523] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0xc1/0x125()
[ 296.337527] Hardware name: F3JC
[ 296.337530] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
[ 296.337533] Modules linked in: pktgen ipv6 snd_hwdep snd_hda_codec_si3054 snd_hda_codec_realtek sdhci_pci sdhci asus_laptop sparse_keymap mmc_core led_class snd_hda_intel
snd_hda_codec psmouse snd_pcm snd_timer snd soundcore snd_page_alloc serio_raw i2c_i801 rng_core evdev sg r8169 mii usbhid hid uhci_hcd ehci_hcd sr_mod cdrom sd_mod usbcore
ata_piix
[ 296.337586] Pid: 0, comm: swapper Not tainted 2.6.34-rc3-dbg #74
[ 296.337589] Call Trace:
[ 296.337597] [<c102e71f>] warn_slowpath_common+0x65/0x7c
[ 296.337603] [<c126e30c>] ? dev_watchdog+0xc1/0x125
[ 296.337608] [<c102e76a>] warn_slowpath_fmt+0x24/0x27
[ 296.337613] [<c126e30c>] dev_watchdog+0xc1/0x125
[ 296.337620] [<c1040039>] ? prepare_to_wait_exclusive+0x52/0x5b
[ 296.337627] [<c1037053>] ? run_timer_softirq+0x120/0x1eb
[ 296.337632] [<c10370a9>] run_timer_softirq+0x176/0x1eb
[ 296.337637] [<c1037053>] ? run_timer_softirq+0x120/0x1eb
[ 296.337643] [<c126e24b>] ? dev_watchdog+0x0/0x125
[ 296.337650] [<c10331c9>] __do_softirq+0x8d/0x117
[ 296.337655] [<c103327e>] do_softirq+0x2b/0x43
[ 296.337660] [<c10333a3>] irq_exit+0x38/0x75
[ 296.337667] [<c1015138>] smp_apic_timer_interrupt+0x6d/0x7b
[ 296.337673] [<c12cbada>] apic_timer_interrupt+0x36/0x3c
[ 296.337679] [<c104007b>] ? prepare_to_wait+0x39/0x57
[ 296.337685] [<c11dd835>] ? acpi_idle_enter_simple+0x119/0x144
[ 296.337692] [<c124d358>] cpuidle_idle_call+0x6d/0xa5
[ 296.337697] [<c1001b51>] cpu_idle+0x92/0xc1
[ 296.337704] [<c12c63d0>] start_secondary+0x1f3/0x1fa
[ 296.337708] ---[ end trace cd4a1b50139837df ]---


Reproducing 100% with pktgen tests.


Sergey

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