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

From: Sergey Senozhatsky
Date: Mon Apr 26 2010 - 08:50:11 EST


Hello,

On (04/20/10 05:19), 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).
>
>

.34-rc5-git7

kernel: [12887.906682] pktgen 2.72: Packet Generator for packet performance testing.
kernel: [12938.998730] ------------[ cut here ]------------
kernel: [12938.998741] WARNING: at net/sched/sch_generic.c:256 dev_watchdog+0xc1/0x129()
kernel: [12938.998745] Hardware name: F3JC
kernel: [12938.998748] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out
kernel: [12938.998751] Modules linked in: pktgen usb_storage ipv6 snd_hwdep snd_hda_codec_si3054 snd_hda_codec_realtek asus_laptop sparse_keymap sdhci_pci sdhci snd_hda_intel mmc_core led_class psmouse snd_hda_codec snd_pcm snd_timer snd
soundcore snd_page_alloc serio_raw rng_core sg i2c_i801 evdev r8169 mii usbhid hid uhci_hcd ehci_hcd sr_mod cdrom sd_mod usbcore ata_piix
kernel: [12938.998808] Pid: 4617, comm: kpktgend_0 Not tainted 2.6.34-rc5-dbg-r8169-git7 #97
kernel: [12938.998811] Call Trace:
kernel: [12938.998819] [<c102e1b2>] warn_slowpath_common+0x65/0x7c
kernel: [12938.998824] [<c1268085>] ? dev_watchdog+0xc1/0x129
kernel: [12938.998829] [<c102e1fd>] warn_slowpath_fmt+0x24/0x27
kernel: [12938.998834] [<c1268085>] dev_watchdog+0xc1/0x129
kernel: [12938.998841] [<c1040039>] ? __kfifo_from_user_generic+0x30/0x5c
kernel: [12938.998848] [<c1036ae3>] ? run_timer_softirq+0x136/0x203
kernel: [12938.998853] [<c1036b3c>] run_timer_softirq+0x18f/0x203
kernel: [12938.998858] [<c1036ae3>] ? run_timer_softirq+0x136/0x203
kernel: [12938.998864] [<c1267fc4>] ? dev_watchdog+0x0/0x129
kernel: [12938.998870] [<c1032a72>] __do_softirq+0x88/0x10c
kernel: [12938.998875] [<c1032b25>] do_softirq+0x2f/0x47
kernel: [12938.998883] [<f8095488>] ? pktgen_xmit+0xd3e/0xe0b [pktgen]
kernel: [12938.998888] [<c1032d08>] _local_bh_enable_ip+0x8b/0xb3
kernel: [12938.998894] [<c1032d38>] local_bh_enable_ip+0x8/0xa
kernel: [12938.998900] [<c12c3818>] _raw_spin_unlock_bh+0x2f/0x32
kernel: [12938.998906] [<f8095488>] pktgen_xmit+0xd3e/0xe0b [pktgen]
kernel: [12938.998913] [<c104463c>] ? sched_clock_cpu+0x121/0x131
kernel: [12938.998922] [<fd1cf5e4>] ? rtl8169_start_xmit+0x0/0x2f9 [r8169]
kernel: [12938.998928] [<f8095793>] ? pktgen_thread_worker+0xd9/0x5e8 [pktgen]
kernel: [12938.998934] [<c1044679>] ? cpu_clock+0x2d/0x4e
kernel: [12938.998941] [<c104d1f7>] ? put_lock_stats+0xd/0x21
kernel: [12938.998946] [<c104d2c0>] ? lock_release_holdtime+0xb5/0xba
kernel: [12938.998952] [<f8095793>] ? pktgen_thread_worker+0xd9/0x5e8 [pktgen]
kernel: [12938.998959] [<f809582a>] pktgen_thread_worker+0x170/0x5e8 [pktgen]
kernel: [12938.998965] [<c103fa46>] ? autoremove_wake_function+0x0/0x2f
kernel: [12938.998971] [<c103fa46>] ? autoremove_wake_function+0x0/0x2f
kernel: [12938.998977] [<f80956ba>] ? pktgen_thread_worker+0x0/0x5e8 [pktgen]
kernel: [12938.998982] [<c103f76a>] kthread+0x6a/0x6f
kernel: [12938.998988] [<c103f700>] ? kthread+0x0/0x6f
kernel: [12938.998994] [<c1002dc2>] kernel_thread_helper+0x6/0x10
kernel: [12938.998998] ---[ end trace 030ae30a64f8cf05 ]---
kernel: [12939.012657] r8169 0000:02:00.0: eth0: link up
kernel: [12951.012273] r8169 0000:02:00.0: eth0: link up
kernel: [12951.475547] pktgen: interface: eth0 is already stopped




> 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@xxxxxxxxx>
> Date : 2010-03-31 10:21 (20 days old)
> Message-ID : <<20100331102142.GA3294@xxxxxxxxxxxxxxxxxxxxxxxx>>
> References : http://marc.info/?l=linux-kernel&m=127003090406108&w=2
>
>


Sergey

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