From mboxrd@z Thu Jan 1 00:00:00 1970 From: Stefan Richter Subject: 3.4-rc: NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out Date: Tue, 1 May 2012 18:24:05 +0200 Message-ID: <20120501182405.3dda59b9@stein> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit To: netdev@vger.kernel.org Return-path: Received: from einhorn.in-berlin.de ([192.109.42.8]:51581 "EHLO einhorn.in-berlin.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751846Ab2EAQYK (ORCPT ); Tue, 1 May 2012 12:24:10 -0400 Received: from stein ([83.221.231.67]) (authenticated bits=0) by einhorn.in-berlin.de (8.13.6/8.13.6/Debian-1) with ESMTP id q41GO7Fg007462 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES128-SHA bits=128 verify=NOT) for ; Tue, 1 May 2012 18:24:08 +0200 Sender: netdev-owner@vger.kernel.org List-ID: Hi, I switched from 3.3 to 3.4-rc5 yesterday and am getting the following warning some time after boot (e.g. this time about two hours after boot). What's up with that? May 1 15:08:35 stein kernel: WARNING: at net/sched/sch_generic.c:256 dev_watchdog+0x16b/0x20f() May 1 15:08:35 stein kernel: Hardware name: System Product Name May 1 15:08:35 stein kernel: NETDEV WATCHDOG: eth0 (r8169): transmit queue 0 timed out May 1 15:08:35 stein kernel: Modules linked in: usb_storage snd_isight snd_firewire_lib firewire_ohci firewire_core crc_itu_t cpufreq_ondemand hwmon_vid nfsd lockd sunrpc ext4 jbd2 crc16 sr_mod cdrom snd_hda_codec_realtek powernow_k8 freq_table mperf yenta_socket k10temp pcmcia_core pcmcia_rsrc pata_atiixp sg snd_hda_intel snd_hda_codec snd_pcm snd_timer snd snd_page_alloc processor r8169 mii May 1 15:08:35 stein kernel: Pid: 0, comm: swapper/3 Not tainted 3.4.0-rc5 #4 May 1 15:08:35 stein kernel: Call Trace: May 1 15:08:35 stein kernel: [] ? warn_slowpath_common+0x78/0x8c May 1 15:08:35 stein kernel: [] ? warn_slowpath_fmt+0x45/0x4a May 1 15:08:35 stein kernel: [] ? lapic_next_event+0x18/0x1f May 1 15:08:35 stein kernel: [] ? dev_watchdog+0x16b/0x20f May 1 15:08:35 stein kernel: [] ? hrtimer_interrupt+0x100/0x19b May 1 15:08:35 stein kernel: [] ? run_timer_softirq+0x177/0x209 May 1 15:08:35 stein kernel: [] ? clockevents_program_event+0xaa/0xce May 1 15:08:35 stein kernel: [] ? qdisc_reset+0x35/0x35 May 1 15:08:35 stein kernel: [] ? __do_softirq+0x7f/0x106 May 1 15:08:35 stein kernel: [] ? call_softirq+0x1c/0x30 May 1 15:08:35 stein kernel: [] ? do_softirq+0x31/0x67 May 1 15:08:35 stein kernel: [] ? irq_exit+0x44/0xae May 1 15:08:35 stein kernel: [] ? do_IRQ+0x94/0xad May 1 15:08:35 stein kernel: [] ? common_interrupt+0x67/0x67 May 1 15:08:35 stein kernel: [] ? default_idle+0x20/0x34 May 1 15:08:35 stein kernel: [] ? amd_e400_idle+0xc6/0xe2 May 1 15:08:35 stein kernel: [] ? cpu_idle+0x62/0x86 May 1 15:08:35 stein kernel: ---[ end trace 11b2855a75e24d28 ]--- May 1 15:08:35 stein kernel: r8169 0000:0b:00.0: eth0: link up The "link up" message occurs several times per session. (booted on Apr 30 20:38:16) Apr 30 20:38:17 stein kernel: r8169 0000:0b:00.0: eth0: link up Apr 30 23:57:36 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 01:57:46 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 04:20:21 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 04:28:57 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 06:11:35 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 06:13:59 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 07:51:58 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:14:56 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:15:20 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:16:08 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:26:20 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:35:04 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:46:00 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:50:24 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 08:57:48 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 09:07:26 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 10:33:23 stein kernel: r8169 0000:0b:00.0: eth0: link up (booted on May 1 12:47:45) May 1 12:47:46 stein kernel: r8169 0000:0b:00.0: eth0: link up May 1 15:08:35 stein kernel: r8169 0000:0b:00.0: eth0: link up I do not remember such messages from any earlier kernel. There are no noticeable issues, but I don't run anything demanding on the interface right now which would make any downtime obvious. It is an RTL8168(?) on an Asus M3A78-EM motherboard. -[0000:00]-+-00.0 Advanced Micro Devices [AMD] RS780 Host Bridge [1022:9600] +-01.0-[01]--+-05.0 Advanced Micro Devices [AMD] nee ATI RS780 [Radeon HD 3200] [1002:9610] | \-05.1 Advanced Micro Devices [AMD] nee ATI RS780 HDMI Audio [Radeon HD 3000-3300 Series] [1002:960f] +-02.0-[02-07]----00.0-[03-07]--+-01.0-[04]----00.0 Agere Systems FW643 PCI Express 1394b Controller (PHY/Link) [11c1:5901] | +-02.0-[05]----00.0 Agere Systems FW643 PCI Express 1394b Controller (PHY/Link) [11c1:5901] | +-03.0-[06]-- | \-04.0-[07]-- +-04.0-[08-09]----00.0-[09]----00.0 Texas Instruments XIO2213A/B/XIO2221 IEEE-1394b OHCI Controller [Cheetah Express] [104c:823f] +-05.0-[0a]----00.0 JMicron Technology Corp. IEEE 1394 Host Controller [197b:2380] +-06.0-[0b]----00.0 Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller [10ec:8168] +-11.0 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 SATA Controller [AHCI mode] [1002:4391] +-12.0 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397] +-12.1 Advanced Micro Devices [AMD] nee ATI SB7x0 USB OHCI1 Controller [1002:4398] +-12.2 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396] +-13.0 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI0 Controller [1002:4397] +-13.1 Advanced Micro Devices [AMD] nee ATI SB7x0 USB OHCI1 Controller [1002:4398] +-13.2 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB EHCI Controller [1002:4396] +-14.0 Advanced Micro Devices [AMD] nee ATI SBx00 SMBus Controller [1002:4385] +-14.1 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 IDE Controller [1002:439c] +-14.2 Advanced Micro Devices [AMD] nee ATI SBx00 Azalia (Intel HDA) [1002:4383] +-14.3 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 LPC host controller [1002:439d] +-14.4-[0c-10]----06.0 Ricoh Co Ltd RL5c475 [1180:0475] +-14.5 Advanced Micro Devices [AMD] nee ATI SB7x0/SB8x0/SB9x0 USB OHCI2 Controller [1002:4399] +-18.0 Advanced Micro Devices [AMD] Family 10h Processor HyperTransport Configuration [1022:1200] +-18.1 Advanced Micro Devices [AMD] Family 10h Processor Address Map [1022:1201] +-18.2 Advanced Micro Devices [AMD] Family 10h Processor DRAM Controller [1022:1202] +-18.3 Advanced Micro Devices [AMD] Family 10h Processor Miscellaneous Control [1022:1203] \-18.4 Advanced Micro Devices [AMD] Family 10h Processor Link Control [1022:1204] -- Stefan Richter -=====-===-- -=-= ----= http://arcgraph.de/sr/