From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eric Dumazet Subject: Re: [PATCH] r8169: Fix rtl8169_rx_interrupt() Date: Wed, 17 Mar 2010 14:54:28 +0100 Message-ID: <1268834068.2899.336.camel@edumazet-laptop> References: <1268686865.2824.4.camel@edumazet-laptop> <1268699602.2824.14.camel@edumazet-laptop> <20100316145914.GB3332@swordfish.minsk.epam.com> <1268751933.3094.45.camel@edumazet-laptop> <20100316151023.GC3332@swordfish.minsk.epam.com> <1268752826.3094.48.camel@edumazet-laptop> <20100316182619.GA3451@swordfish> <1268765284.2932.17.camel@edumazet-laptop> <20100317072539.GA3579@swordfish> <1268811437.2932.66.camel@edumazet-laptop> <20100317105856.GB3322@swordfish> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: Oleg Nesterov , David Miller , Francois Romieu , netdev@vger.kernel.org To: Sergey Senozhatsky Return-path: Received: from mail-bw0-f212.google.com ([209.85.218.212]:60445 "EHLO mail-bw0-f212.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754103Ab0CQNyf (ORCPT ); Wed, 17 Mar 2010 09:54:35 -0400 Received: by bwz4 with SMTP id 4so1046569bwz.39 for ; Wed, 17 Mar 2010 06:54:33 -0700 (PDT) In-Reply-To: <20100317105856.GB3322@swordfish> Sender: netdev-owner@vger.kernel.org List-ID: Le mercredi 17 mars 2010 =C3=A0 12:58 +0200, Sergey Senozhatsky a =C3=A9= crit : > Hello, >=20 > We did pktgen over LAN testing for several hours: >=20 > iftop > 19.1Mb 38.1Mb = 57.2Mb 76.3Mb 95.4Mb > =E2=94=94=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =B4=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=B4=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=B4=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=B4=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80 > xxxxxxxx0007t2 =3D> xxxxxxxxxxxxxx.xxxx= x.xxxx.xxx 0b 3.60Kb 4.28Kb > <=3D = 92.7Mb 92.7Mb 92.5Mb >=20 > =E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94= =80=E2=94=80=E2=94=80=E2=94=80=E2=94=80=E2=94=80 > TX: cumm: 2.50MB peak: 57.7Kb = rates: 7.71Kb 5.97Kb 10.7Kb > RX: 28.0GB 92.9Mb = 92.7Mb 92.8Mb 92.6Mb > TOTAL: 28.0GB 92.9Mb = 92.7Mb 92.8Mb 92.6M >=20 > Without any problems. >=20 >=20 > As soon as I switched back to localhost "pollution": >=20 > [ 7343.999279] ------------[ cut here ]------------ > [ 7343.999292] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0= xc1/0x125() > [ 7343.999295] Hardware name: F3JC =20 > [ 7343.999298] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed = out > [ 7343.999301] Modules linked in: pktgen ppp_async crc_ccitt ipv6 ppp= _generic slhc snd_hwdep snd_hda_codec_si3054 snd_hda_codec_realtek sdhc= i_pci sdhci snd_hda_intel mmc_core > asus_laptop sparse_keymap snd_hda_codec led_class snd_pcm rng_core sg= psmouse snd_timer snd_page_alloc i2c_i801 evdev snd soundcore serio_ra= w r8169 mii usbhid hid uhci_hcd > ehci_hcd sr_mod cdrom sd_mod usbcore ata_piix > [ 7343.999361] Pid: 4801, comm: kpktgend_0 Tainted: G W 2.6.3= 4-rc1-dbg-git6-r8169 #47 > [ 7343.999364] Call Trace: > [ 7343.999372] [] warn_slowpath_common+0x65/0x7c > [ 7343.999378] [] ? dev_watchdog+0xc1/0x125 > [ 7343.999383] [] warn_slowpath_fmt+0x24/0x27 > [ 7343.999388] [] dev_watchdog+0xc1/0x125 > [ 7343.999395] [] ? run_timer_softirq+0x120/0x1eb > [ 7343.999401] [] run_timer_softirq+0x176/0x1eb > [ 7343.999406] [] ? run_timer_softirq+0x120/0x1eb > [ 7343.999411] [] ? dev_watchdog+0x0/0x125 > [ 7343.999417] [] __do_softirq+0x8d/0x117 > [ 7343.999422] [] do_softirq+0x2b/0x43 > [ 7343.999426] [] irq_exit+0x38/0x75 > [ 7343.999433] [] smp_apic_timer_interrupt+0x66/0x74 > [ 7343.999438] [] apic_timer_interrupt+0x36/0x3c > [ 7343.999447] [] ? pktgen_thread_worker+0x5c4/0x631 [pktg= en] > [ 7343.999454] [] ? autoremove_wake_function+0x0/0x2f > [ 7343.999459] [] ? autoremove_wake_function+0x0/0x2f > [ 7343.999465] [] ? pktgen_thread_worker+0x0/0x631 [pktgen= ] > [ 7343.999470] [] kthread+0x6a/0x6f > [ 7343.999476] [] ? kthread+0x0/0x6f > [ 7343.999481] [] kernel_thread_helper+0x6/0x1a > [ 7343.999485] ---[ end trace a22d306b065d4a68 ]--- > [ 7344.012654] r8169 0000:02:00.0: eth0: link up > [ 7356.012657] r8169 0000:02:00.0: eth0: link up > [ 7368.013545] r8169 0000:02:00.0: eth0: link up >=20 >=20 What do you exactly mean by 'localhost pollution' ?