Re: [Bug #15704] [r8169] WARNING: at net/sched/sch_generic.c

["Rafael J. Wysocki" <rjw@sisk.pl>]

On Wednesday 14 April 2010, Sergey Senozhatsky wrote:
> Hello,
> Sorry for the delay, I've been away.
> 
> On (04/07/10 23:13), Rafael J. Wysocki wrote:
> > This message has been generated automatically as a part of a summary report
> > of recent regressions.
> > 
> > The following bug entry is on the current list of known regressions
> > from 2.6.33.  Please verify if it still should be listed and let the tracking team
> > know (either way).
> > 
> > 
> > Bug-Entry	: http://bugzilla.kernel.org/show_bug.cgi?id=15704
> > Subject		: [r8169] WARNING: at net/sched/sch_generic.c
> > Submitter	: Sergey Senozhatsky <sergey.senozhatsky@gmail.com>
> > Date		: 2010-03-31 10:21 (8 days old)
> > Message-ID	: <20100331102142.GA3294@swordfish.minsk.epam.com>
> > References	: http://marc.info/?l=linux-kernel&m=127003090406108&w=2
> > 
> > 
> 
> 
> Yes, bug is still here (though I'm not sure whether it's correct to test with frame size 2048).
> 
> Here it is:
> 
> kernel: [ 2292.172886] pktgen 2.72: Packet Generator for packet performance testing.
> kernel: [ 2339.999788] ------------[ cut here ]------------
> kernel: [ 2339.999800] WARNING: at net/sched/sch_generic.c:256 dev_watchdog+0xc1/0x125()
> kernel: [ 2339.999803] Hardware name: F3JC                
> kernel: [ 2339.999806] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
> kernel: [ 2339.999809] Modules linked in: pktgen ipv6 snd_hwdep snd_hda_codec_si3054 snd_hda_codec_realtek sdhci_pci sdhci asus_laptop sparse_keymap snd_hda_intel mmc_core
> led_class snd_hda_codec psmouse snd_pcm snd_timer snd soundcore snd_page_alloc i2c_i801 serio_raw sg evdev rng_core r8169 mii usbhid hid uhci_hcd ehci_hcd sr_mod cdrom sd_mod
> usbcore ata_piix
> kernel: [ 2339.999857] Pid: 3720, comm: kpktgend_0 Not tainted 2.6.34-rc3-dbg-r8169-git6 #81
> kernel: [ 2339.999861] Call Trace:
> kernel: [ 2339.999868]  [<c102e7f7>] warn_slowpath_common+0x65/0x7c
> kernel: [ 2339.999874]  [<c126e4f8>] ? dev_watchdog+0xc1/0x125
> kernel: [ 2339.999879]  [<c102e842>] warn_slowpath_fmt+0x24/0x27
> kernel: [ 2339.999884]  [<c126e4f8>] dev_watchdog+0xc1/0x125
> kernel: [ 2339.999891]  [<c1040039>] ? abort_exclusive_wait+0x26/0x63
> kernel: [ 2339.999897]  [<c103712b>] ? run_timer_softirq+0x120/0x1eb
> kernel: [ 2339.999902]  [<c1037181>] run_timer_softirq+0x176/0x1eb
> kernel: [ 2339.999907]  [<c103712b>] ? run_timer_softirq+0x120/0x1eb
> kernel: [ 2339.999913]  [<c126e437>] ? dev_watchdog+0x0/0x125
> kernel: [ 2339.999919]  [<c10332a1>] __do_softirq+0x8d/0x117
> kernel: [ 2339.999925]  [<c1033356>] do_softirq+0x2b/0x43
> kernel: [ 2339.999929]  [<c103347b>] irq_exit+0x38/0x75
> kernel: [ 2339.999936]  [<c1015200>] smp_apic_timer_interrupt+0x6d/0x7b
> kernel: [ 2339.999943]  [<c12cbcda>] apic_timer_interrupt+0x36/0x3c
> kernel: [ 2339.999948]  [<c104007b>] ? finish_wait+0x5/0x49
> kernel: [ 2339.999953]  [<c10400d8>] ? prepare_to_wait_exclusive+0x19/0x5b
> kernel: [ 2339.999959]  [<c105106d>] ? lock_release+0x19a/0x1a1
> kernel: [ 2339.999965]  [<c12cb259>] _raw_spin_unlock+0x16/0x3f
> kernel: [ 2339.999972]  [<f80ea460>] pktgen_thread_worker+0xe0/0x631 [pktgen]
> kernel: [ 2339.999978]  [<c103ffad>] ? autoremove_wake_function+0x0/0x2f
> kernel: [ 2339.999983]  [<c103ffad>] ? autoremove_wake_function+0x0/0x2f
> kernel: [ 2339.999989]  [<f80ea380>] ? pktgen_thread_worker+0x0/0x631 [pktgen]
> kernel: [ 2339.999994]  [<c103fc8a>] kthread+0x6a/0x6f
> kernel: [ 2339.999999]  [<c103fc20>] ? kthread+0x0/0x6f
> kernel: [ 2340.000005]  [<c1002e82>] kernel_thread_helper+0x6/0x1a
> kernel: [ 2340.000008] ---[ end trace 25113681b662d02f ]---

Thanks for the update.

Rafael