From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752811Ab1IQJZY (ORCPT ); Sat, 17 Sep 2011 05:25:24 -0400 Received: from mail.agmk.net ([91.192.224.71]:59019 "EHLO mail.agmk.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751737Ab1IQJZW (ORCPT ); Sat, 17 Sep 2011 05:25:22 -0400 From: =?utf-8?q?Pawe=C5=82_Sikora?= To: linux-kernel@vger.kernel.org Subject: WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x23f/0x250() Date: Sat, 17 Sep 2011 11:23:03 +0200 User-Agent: KMail/1.13.7 (Linux/3.1.0-rc6; KDE/4.7.1; x86_64; ; ) MIME-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <201109171123.03622.pluto@agmk.net> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi, during ethernet cable reconnection on laptop the 3.1-rc6 kernel sometimes produces a warning: (...) [12747.670460] atl1c 0000:05:00.0: atl1c: eth0 NIC Link is Down [12977.239187] atl1c 0000:05:00.0: atl1c: eth0 NIC Link is Up<1000 Mbps Full Duplex> [12982.460404] ------------[ cut here ]------------ [12982.460415] WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x23f/0x250() [12982.460418] Hardware name: N73SV [12982.460420] NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out [12982.460422] Modules linked in: cryptd aes_x86_64 aes_generic udf crc_itu_t loop i915 drm_kms_helper drm i2c_algo_bit binfmt_misc sch_sfq ext2 raid1 vboxnetflt vboxdrv coretemp snd_hda_codec_hdmi usbhid hid uvcvideo snd_hda_codec_realtek videodev v4l2_compat_ioctl32 media ath3k btusb bluetooth arc4 ath9k mac80211 snd_hda_intel snd_hda_codec ath9k_common ath9k_hw joydev asus_nb_wmi snd_hwdep snd_pcm ath asus_wmi snd_timer ehci_hcd xhci_hcd sparse_keymap pci_hotplug atl1c usbcore mxm_wmi mei(C) psmouse iTCO_wdt snd i2c_i801 sg hwmon cfg80211 sr_mod cdrom soundcore i2c_core rfkill snd_page_alloc iTCO_vendor_support serio_raw pcspkr wmi video thermal button battery intel_agp intel_gtt ac processor evdev ext4 jbd2 crc16 mbcache dm_mod sd_mod crc_t10dif raid10 md_mod ahci libahci libata scsi_mod [last unloaded: scsi_wait_scan] [12982.460491] Pid: 0, comm: swapper Tainted: G C 3.1.0-rc6 #28 [12982.460492] Call Trace: [12982.460494] [] warn_slowpath_common+0x7a/0xb0 [12982.460502] [] warn_slowpath_fmt+0x41/0x50 [12982.460507] [] dev_watchdog+0x23f/0x250 [12982.460512] [] run_timer_softirq+0x11c/0x3a0 [12982.460516] [] ? timerqueue_add+0x74/0xc0 [12982.460520] [] ? qdisc_reset+0x50/0x50 [12982.460524] [] ? enqueue_hrtimer+0x34/0xc0 [12982.460528] [] ? lapic_next_event+0x18/0x20 [12982.460532] [] __do_softirq+0xa0/0x200 [12982.460536] [] ? tick_program_event+0x1a/0x20 [12982.460541] [] call_softirq+0x1c/0x30 [12982.460545] [] do_softirq+0x4d/0x80 [12982.460549] [] irq_exit+0x8e/0xb0 [12982.460552] [] smp_apic_timer_interrupt+0x69/0xa0 [12982.460555] [] apic_timer_interrupt+0x6b/0x70 [12982.460557] [] ? intel_idle+0xc3/0x110 [12982.460565] [] ? intel_idle+0xa2/0x110 [12982.460569] [] cpuidle_idle_call+0xc1/0x280 [12982.460573] [] cpu_idle+0xb5/0x110 [12982.460577] [] rest_init+0x72/0x74 [12982.460582] [] start_kernel+0x38f/0x39a [12982.460586] [] x86_64_start_reservations+0x132/0x136 [12982.460590] [] x86_64_start_kernel+0xf0/0xf7 [12982.460592] ---[ end trace 1535c49bec959fd1 ]--- [12982.494277] atl1c 0000:05:00.0: irq 43 for MSI/MSI-X [12982.494494] atl1c 0000:05:00.0: atl1c: eth0 NIC Link is Up<1000 Mbps Full Duplex>