From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757934Ab0CPPJi (ORCPT ); Tue, 16 Mar 2010 11:09:38 -0400 Received: from mail-fx0-f219.google.com ([209.85.220.219]:61708 "EHLO mail-fx0-f219.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755361Ab0CPPJg (ORCPT ); Tue, 16 Mar 2010 11:09:36 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=date:from:to:cc:subject:message-id:references:mime-version :content-type:content-disposition:in-reply-to:user-agent; b=A+I37cD+lm/c5iG2OLQ+qaz4bSl0WGE3yuz9aMjUxhOYXWTw1UAdNJi4IcdyUtLzL5 Ho0sCuy2nV1fxLtUU5Eb+MAYAaFJwzdBl61d1S6P6Bjf3c2Y11V94RaCaVby60MZ6/3j Rmo8bxfXSKHCxKEsd5RLsW0wX7uBaZYNfNSuU= Date: Tue, 16 Mar 2010 17:10:23 +0200 From: Sergey Senozhatsky To: Eric Dumazet Cc: Sergey Senozhatsky , Oleg Nesterov , David Miller , Ingo Molnar , Francois Romieu , Peter Zijlstra , netdev@vger.kernel.org, linux-kernel Subject: Re: [PATCH] r8169: Fix rtl8169_rx_interrupt() Message-ID: <20100316151023.GC3332@swordfish.minsk.epam.com> References: <20100307192305.GA598@elte.hu> <20100308125122.GA11242@redhat.com> <1268686865.2824.4.camel@edumazet-laptop> <1268699602.2824.14.camel@edumazet-laptop> <20100316145914.GB3332@swordfish.minsk.epam.com> <1268751933.3094.45.camel@edumazet-laptop> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="76DTJ5CE0DCVQemd" Content-Disposition: inline In-Reply-To: <1268751933.3094.45.camel@edumazet-laptop> User-Agent: Mutt/1.5.20 (2009-06-14) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --76DTJ5CE0DCVQemd Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On (03/16/10 16:05), Eric Dumazet wrote: > > Nope! > > Here it is: > >=20 > >=20 > > [17250.998293] ------------[ cut here ]------------ > > [17250.998305] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0xc= 1/0x125() > > [17250.998308] Hardware name: F3JC =20 > > [17250.998312] NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out > > [17250.998315] Modules linked in: pktgen ppp_async crc_ccitt ipv6 ppp_g= eneric slhc 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 snd_pcm snd_timer snd_pa= ge_alloc rng_core sg evdev i2c_i801 snd soundcore psmouse r8169 serio_raw m= ii uhci_hcd ehci_hcd sr_mod > > usbcore cdrom sd_mod ata_piix > > [17250.998371] Pid: 3985, comm: kpktgend_0 Tainted: G W 2.6.34-= rc1-dbg-git6-r8169 #46 > > [17250.998375] Call Trace: > > [17250.998383] [] warn_slowpath_common+0x65/0x7c > > [17250.998388] [] ? dev_watchdog+0xc1/0x125 > > [17250.998393] [] warn_slowpath_fmt+0x24/0x27 > > [17250.998398] [] dev_watchdog+0xc1/0x125 > > [17250.998405] [] ? run_timer_softirq+0x120/0x1eb > > [17250.998411] [] run_timer_softirq+0x176/0x1eb > > [17250.998416] [] ? run_timer_softirq+0x120/0x1eb > > [17250.998421] [] ? dev_watchdog+0x0/0x125 > > [17250.998426] [] __do_softirq+0x8d/0x117 > > [17250.998431] [] do_softirq+0x2b/0x43 > > [17250.998436] [] irq_exit+0x38/0x75 > > [17250.998442] [] smp_apic_timer_interrupt+0x66/0x74 > > [17250.998448] [] apic_timer_interrupt+0x36/0x3c > > [17250.998457] [] ? do_raw_spin_trylock+0x28/0x37 > > [17250.998464] [] _raw_spin_lock+0x2f/0x58 > > [17250.998472] [] ? spin_lock+0x8/0xa [pktgen] > > [17250.998478] [] spin_lock+0x8/0xa [pktgen] > > [17250.998484] [] pktgen_thread_worker+0x9b/0x631 [pktgen] > > [17250.998491] [] ? autoremove_wake_function+0x0/0x2f > > [17250.998497] [] ? autoremove_wake_function+0x0/0x2f > > [17250.998503] [] ? pktgen_thread_worker+0x0/0x631 [pktgen] > > [17250.998508] [] kthread+0x6a/0x6f > > [17250.998514] [] ? kthread+0x0/0x6f > > [17250.998520] [] kernel_thread_helper+0x6/0x1a > > [17250.998523] ---[ end trace a22d306b065d4a68 ]--- > > [17251.011663] r8169 0000:02:00.0: eth0: link up > >=20 > > [17419.011748] NOHZ: local_softirq_pending 08 > >=20 > >=20 >=20 > But this stack trace is on pktgen side (the sender), and my patch was > about the receiver ? >=20 [...] >> NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out Isn't it r8169 related? > I wonder if you dont hit another problem :) :) Sergey --76DTJ5CE0DCVQemd Content-Type: application/pgp-signature Content-Disposition: inline -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.10 (GNU/Linux) iJwEAQECAAYFAkufn18ACgkQfKHnntdSXjR/hwQAs34v0OSqD1UNDjhSDyyUAvfN 4bxS8ppR6YVjlqw73+DBQLdCyQ9kNRoMxM5Ol6s2MNV2Of1jltQjSZIOwJ+FIyN9 adVFZBlhYri2k0L7mSrDny1rRIPp5UqvXSl1ei0RiR0r7QU8W5Bh6kBfWWIrCvoq fG3I0uzgS8meeA5/SKw= =7EMn -----END PGP SIGNATURE----- --76DTJ5CE0DCVQemd--