Hello, This is triggering a couple of time on my laptop when plugging my wireless ralink 2870 USB adapter or after resuming the system: Aug 1 09:08:40 tsunami kernel: [18606.523463] Freezing remaining freezable tasks ... (elapsed 0.01 seconds) done. Aug 1 09:08:40 tsunami kernel: [18613.301110] Suspending console(s) (use no_console_suspend to debug) Aug 1 09:08:40 tsunami kernel: [18613.322450] Disabling non-boot CPUs ... Aug 1 09:08:40 tsunami kernel: [18613.326533] Broke affinity for irq 12 Aug 1 09:08:40 tsunami kernel: [18613.326563] Broke affinity for irq 23 Aug 1 09:08:40 tsunami kernel: [18613.648409] usb usb1: root hub lost power or was reset Aug 1 09:08:40 tsunami kernel: [18613.652424] usb usb2: root hub lost power or was reset Aug 1 09:08:40 tsunami kernel: [18615.155053] rt2800usb 2-1.3:1.0: no reset_resume for driver rt2800usb? Aug 1 09:08:40 tsunami kernel: [18615.351794] Restarting tasks ... done. Aug 1 10:12:50 tsunami kernel: [22466.153450] ------------[ cut here ]------------ Aug 1 10:12:50 tsunami kernel: [22466.153460] WARNING: at fs/sysfs/dir.c:455 sysfs_add_one+0xc1/0xf0() Aug 1 10:12:50 tsunami kernel: [22466.153463] Hardware name: Vostro 3500 Aug 1 10:12:50 tsunami kernel: [22466.153466] sysfs: cannot create duplicate filename '/bus/usb/drivers/usb/2-1.3' Aug 1 10:12:50 tsunami kernel: [22466.153469] Modules linked in: zcache(PC) sit tunnel4 fuse af_packet ipv6 snd_hda_codec_hdmi snd_hda_codec_idt arc4 brcmsmac(C) rt2800usb rt2800lib rt2x00usb r t2x00lib brcmutil(C) uvcvideo mac80211 snd_hda_intel snd_hda_codec snd_hwdep videodev snd_seq_dummy snd_seq_oss r8169 sg iTCO_wdt sr_mod dell_laptop dcdbas media v4l2_compat_ioctl32 iTCO_vendor_ support mii snd_seq_midi_event intel_ips snd_seq snd_seq_device snd_pcm_oss snd_pcm cfg80211 rfkill snd_timer snd_mixer_oss snd soundcore snd_page_alloc mei(C) i2c_i801 crc_ccitt i915 drm_kms_he lper drm i2c_algo_bit i2c_core coretemp binfmt_misc cpufreq_ondemand cpufreq_conservative cpufreq_powersave acpi_cpufreq freq_table mperf nvram dell_wmi sparse_keymap dm_mod joydev evdev video b attery wmi kvm_intel kvm ata_piix ahci libahci libata sd_mod scsi_mod crc_t10dif ext4 jbd2 crc16 uhci_hcd ohci_hcd ehci_hcd usbhid hid usbcore Aug 1 10:12:50 tsunami kernel: [22466.153570] Pid: 54, comm: khubd Tainted: P C 3.0.0+-desktop #34 Aug 1 10:12:50 tsunami kernel: [22466.153573] Call Trace: Aug 1 10:12:50 tsunami kernel: [22466.153582] [<ffffffff8106197f>] warn_slowpath_common+0x7f/0xc0 Aug 1 10:12:50 tsunami kernel: [22466.153587] [<ffffffff81061a76>] warn_slowpath_fmt+0x46/0x50 Aug 1 10:12:50 tsunami kernel: [22466.153592] [<ffffffff811d0fc1>] sysfs_add_one+0xc1/0xf0 Aug 1 10:12:50 tsunami kernel: [22466.153598] [<ffffffff811d165b>] sysfs_do_create_link+0x13b/0x210 Aug 1 10:12:50 tsunami kernel: [22466.153605] [<ffffffff810897e5>] ? __blocking_notifier_call_chain+0x65/0x80 Aug 1 10:12:50 tsunami kernel: [22466.153611] [<ffffffff811d1763>] sysfs_create_link+0x13/0x20 Aug 1 10:12:50 tsunami kernel: [22466.153616] [<ffffffff813047c2>] driver_sysfs_add+0x52/0xb0 Aug 1 10:12:50 tsunami kernel: [22466.153623] [<ffffffff81304972>] driver_probe_device+0x82/0x2c0 Aug 1 10:12:50 tsunami kernel: [22466.153629] [<ffffffff81304bb0>] ? driver_probe_device+0x2c0/0x2c0 Aug 1 10:12:50 tsunami kernel: [22466.153634] [<ffffffff81304c03>] __device_attach+0x53/0x60 Aug 1 10:12:50 tsunami kernel: [22466.153641] [<ffffffff81303958>] bus_for_each_drv+0x68/0x90 Aug 1 10:12:50 tsunami kernel: [22466.153646] [<ffffffff81304e77>] device_attach+0xa7/0xc0 Aug 1 10:12:50 tsunami kernel: [22466.153651] [<ffffffff813036ed>] bus_probe_device+0x2d/0x50 Aug 1 10:12:50 tsunami kernel: [22466.153657] [<ffffffff813024e9>] device_add+0x619/0x710 Aug 1 10:12:50 tsunami kernel: [22466.153679] [<ffffffffa000c7b9>] ? usb_cache_string+0x99/0xb0 [usbcore] Aug 1 10:12:50 tsunami kernel: [22466.153713] [<ffffffffa0002753>] usb_new_device+0x173/0x240 [usbcore] Aug 1 10:12:50 tsunami kernel: [22466.153734] [<ffffffffa0005548>] hub_thread+0xdb8/0x1780 [usbcore] Aug 1 10:12:50 tsunami kernel: [22466.153743] [<ffffffff81059ea3>] ? perf_event_task_sched_out+0x33/0xa0 Aug 1 10:12:50 tsunami kernel: [22466.153752] [<ffffffff81083db0>] ? wake_up_bit+0x40/0x40 Aug 1 10:12:50 tsunami kernel: [22466.153772] [<ffffffffa0004790>] ? hub_disconnect+0x100/0x100 [usbcore] Aug 1 10:12:50 tsunami kernel: [22466.153779] [<ffffffff81083866>] kthread+0x96/0xa0 Aug 1 10:12:50 tsunami kernel: [22466.153789] [<ffffffff81436ca4>] kernel_thread_helper+0x4/0x10 Aug 1 10:12:50 tsunami kernel: [22466.153797] [<ffffffff810837d0>] ? kthread_worker_fn+0x190/0x190 Aug 1 10:12:50 tsunami kernel: [22466.153804] [<ffffffff81436ca0>] ? gs_change+0x13/0x13 Aug 1 10:12:50 tsunami kernel: [22466.153809] ---[ end trace ae985b8b8f50099d ]--- Aug 1 10:12:50 tsunami kernel: [22466.153828] usb: probe of 2-1.3 failed with error 0 Thanks -- Francis -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html