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Subject: Re: NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out
From: Josh Boyer <jwboyer@gmail.com>
To: Thomas Meyer <thomas@m3y3r.de>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
        jcliburn@gmail.com, chris.snook@gmail.com
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On Sun, Feb 12, 2012 at 11:16 AM, Thomas Meyer <thomas@m3y3r.de> wrote:
> abrt_version: ? 2.0.7
> cmdline: ? ? ? ?BOOT_IMAGE=/vmlinuz-3.2.3 root=/dev/sda2 rootfstype=ext4 rootflags=data=writeback ro quiet rhgb
> kernel: ? ? ? ? 3.2.3
> reason: ? ? ? ? WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x1e7/0x1f0()
> time: ? ? ? ? ? Sa 04 Feb 2012 15:31:22 CET
>
> backtrace:
> :WARNING: at net/sched/sch_generic.c:255 dev_watchdog+0x1e7/0x1f0()
> :Hardware name: Aspire 1810T
> :NETDEV WATCHDOG: eth0 (atl1c): transmit queue 0 timed out
> :Modules linked in: vfat fat fuse bluetooth nf_conntrack_ipv6 nf_defrag_ipv6 ip6t_REJECT ip6table_filter ip6_tables snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_intel snd_hda_codec snd_hwdep uvcvideo snd_seq arc4 videodev usb_storage snd_seq_device v4l2_compat_ioctl32 snd_pcm snd_timer acer_wmi iwlwifi snd mac80211 sparse_keymap cfg80211 rfkill soundcore snd_page_alloc joydev wmi acerhdf pcspkr virtio_net virtio atl1c virtio_ring kvm_intel kvm uinput ipv6 [last unloaded: scsi_wait_scan]
> :Pid: 0, comm: swapper Not tainted 3.2.3 #5
> :Call Trace:
> : <IRQ> ?[<ffffffff810322ca>] warn_slowpath_common+0x7a/0xb0
> : [<ffffffff81018a18>] ? lapic_next_event+0x18/0x20
> : [<ffffffff810323a1>] warn_slowpath_fmt+0x41/0x50
> : [<ffffffff8104e9be>] ? hrtimer_interrupt+0xfe/0x1f0
> : [<ffffffff8102c350>] ? wake_up_process+0x10/0x20
> : [<ffffffff813e9397>] dev_watchdog+0x1e7/0x1f0
> : [<ffffffff8103cfcf>] run_timer_softirq+0xef/0x210
> : [<ffffffff813e91b0>] ? qdisc_reset+0x50/0x50
> : [<ffffffff81037827>] __do_softirq+0x87/0x110
> : [<ffffffff814945fa>] call_softirq+0x1a/0x30
> : [<ffffffff810038bd>] do_softirq+0x4d/0x80
> : [<ffffffff81037a8e>] irq_exit+0x7e/0xa0
> : [<ffffffff8100375b>] do_IRQ+0x5b/0xd0
> : [<ffffffff8148de29>] common_interrupt+0x69/0x69
> : <EOI> ?[<ffffffff8124e115>] ? acpi_idle_enter_bm+0x1c0/0x1ff
> : [<ffffffff8124e110>] ? acpi_idle_enter_bm+0x1bb/0x1ff
> : [<ffffffff813a24b4>] ? menu_select+0xd4/0x390
> : [<ffffffff813a150b>] cpuidle_idle_call+0x8b/0xe0
> : [<ffffffff810011ed>] cpu_idle+0x9d/0xe0
> : [<ffffffff8147d08e>] rest_init+0x62/0x64
> : [<ffffffff81699b54>] start_kernel+0x358/0x363
> : [<ffffffff81699322>] x86_64_start_reservations+0x132/0x136
> : [<ffffffff81699416>] x86_64_start_kernel+0xf0/0xf7
> : [<ffffffff81017e70>] ? acpi_suspend_lowlevel+0x1b0/0x1b0

We've seen this in Fedora for a long time now.  As far as I know, nobody
really knows what is going on.

https://bugzilla.redhat.com/show_bug.cgi?id=717211

(Also, you probably should have sent this to netdev.)

josh
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