Same issue here, but this time with my wireless 3G module Ericsson F5521gw on Lenovo Thinkpad X220 (4290RW1):
Syslog: Feb 22 13:56:07 thinkpad kernel: [12846.261594] ------------[ cut here ]------------ Feb 22 13:56:07 thinkpad kernel: [12846.261615] WARNING: at /build/buildd/linux-3.0.0/net/sched/sch_generic.c:255 dev_watchdog+0x25a/0x270() Feb 22 13:56:07 thinkpad kernel: [12846.261620] Hardware name: 4290RW1 Feb 22 13:56:07 thinkpad kernel: [12846.261625] NETDEV WATCHDOG: usb0 (cdc_ncm): transmit queue 0 timed out Feb 22 13:56:07 thinkpad kernel: [12846.261629] Modules linked in: usb_storage uas hidp hid bnep rfcomm pci_stub vboxpci vboxnetadp vboxnetflt vboxdrv parport_pc ppdev binfmt_misc btusb bluetooth dm_crypt snd_hda_codec_hdmi snd_hda_codec_conexant uvcvideo videodev v4l2_compat_ioctl32 cdc_ncm cdc_wdm usbnet cdc_acm thinkpad_acpi snd_seq_midi snd_rawmidi snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi_event snd_seq psmouse serio_raw snd_timer snd_seq_device snd nvram soundcore snd_page_alloc sdhci_pci sdhci mei(C) lp parport i915 drm_kms_helper drm wmi i2c_algo_bit video ahci libahci xhci_hcd Feb 22 13:56:07 thinkpad kernel: [12846.261716] Pid: 0, comm: kworker/0:1 Tainted: G C 3.0.0-16-generic #28-Ubuntu Feb 22 13:56:07 thinkpad kernel: [12846.261718] Call Trace: Feb 22 13:56:07 thinkpad kernel: [12846.261719] <IRQ> [<ffffffff8105e8cf>] warn_slowpath_common+0x7f/0xc0 Feb 22 13:56:07 thinkpad kernel: [12846.261725] [<ffffffff8105e9c6>] warn_slowpath_fmt+0x46/0x50 Feb 22 13:56:07 thinkpad kernel: [12846.261727] [<ffffffff8106fbb3>] ? mod_timer+0x143/0x2f0 Feb 22 13:56:07 thinkpad kernel: [12846.261730] [<ffffffff814fee4a>] dev_watchdog+0x25a/0x270 Feb 22 13:56:07 thinkpad kernel: [12846.261732] [<ffffffff81128ff0>] ? bdi_arm_supers_timer+0x50/0x50 Feb 22 13:56:07 thinkpad kernel: [12846.261734] [<ffffffff814febf0>] ? qdisc_reset+0x50/0x50 Feb 22 13:56:07 thinkpad kernel: [12846.261736] [<ffffffff814febf0>] ? qdisc_reset+0x50/0x50 Feb 22 13:56:07 thinkpad kernel: [12846.261739] [<ffffffff8106d706>] call_timer_fn+0x46/0x160 Feb 22 13:56:07 thinkpad kernel: [12846.261743] [<ffffffff812ef9dd>] ? rb_insert_color+0xad/0x150 Feb 22 13:56:07 thinkpad kernel: [12846.261745] [<ffffffff814febf0>] ? qdisc_reset+0x50/0x50 Feb 22 13:56:07 thinkpad kernel: [12846.261746] [<ffffffff8106f032>] run_timer_softirq+0x132/0x2a0 Feb 22 13:56:07 thinkpad kernel: [12846.261749] [<ffffffff810270cd>] ? lapic_next_event+0x1d/0x30 Feb 22 13:56:07 thinkpad kernel: [12846.261751] [<ffffffff810660c8>] __do_softirq+0xa8/0x210 Feb 22 13:56:07 thinkpad kernel: [12846.261753] [<ffffffff810939ff>] ? tick_program_event+0x1f/0x30 Feb 22 13:56:07 thinkpad kernel: [12846.261756] [<ffffffff815fbcdc>] call_softirq+0x1c/0x30 Feb 22 13:56:07 thinkpad kernel: [12846.261759] [<ffffffff8100c2d5>] do_softirq+0x65/0xa0 Feb 22 13:56:07 thinkpad kernel: [12846.261760] [<ffffffff810664ae>] irq_exit+0x8e/0xb0 Feb 22 13:56:07 thinkpad kernel: [12846.261762] [<ffffffff815fc61e>] smp_apic_timer_interrupt+0x6e/0x99 Feb 22 13:56:07 thinkpad kernel: [12846.261764] [<ffffffff815fb493>] apic_timer_interrupt+0x13/0x20 Feb 22 13:56:07 thinkpad kernel: [12846.261765] <EOI> [<ffffffff81032a79>] ? default_spin_lock_flags+0x9/0x10 Feb 22 13:56:07 thinkpad kernel: [12846.261769] [<ffffffff8134aceb>] ? intel_idle+0xcb/0x120 Feb 22 13:56:07 thinkpad kernel: [12846.261771] [<ffffffff8134accd>] ? intel_idle+0xad/0x120 Feb 22 13:56:07 thinkpad kernel: [12846.261774] [<ffffffff814b31cd>] cpuidle_idle_call+0x9d/0x280 Feb 22 13:56:07 thinkpad kernel: [12846.261777] [<ffffffff8100920b>] cpu_idle+0xab/0x100 Feb 22 13:56:07 thinkpad kernel: [12846.261780] [<ffffffff815d4c00>] start_secondary+0xd9/0xdb Feb 22 13:56:07 thinkpad kernel: [12846.261781] ---[ end trace 034dd388a49b2ea6 ]--- -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/889527 Title: [WARNING: at /build/buildd/linux-3.0.0/net/sched/sch_generic.c:255 dev_watchdog] wired network connection problem since last update To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/889527/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
