[14759.650102] usb 2-3: USB disconnect, device number 5
[14759.651891] ------------[ cut here ]------------
[14759.651902] WARNING: at fs/sysfs/inode.c:323 sysfs_hash_and_remove+0x2e/0x86()
[14759.651906] Hardware name: HP Pavilion dv4 Notebook PC
[14759.651910] sysfs: can not remove 'bsg', no directory
[14759.651914] Modules linked in: ses enclosure hfsplus hfs minix ntfs msdos ext3 jbd tcp_diag inet_diag ppp_deflate zlib_deflate bsd_comp ppp_async crc_ccitt ppp_generic slhc cpufreq_userspace cpufreq_powersave cpufreq_conservative cpufreq_stats rfcomm bnep snd_hrtimer binfmt_misc uinput act_police cls_basic cls_flow cls_fw cls_u32 sch_tbf sch_prio sch_htb sch_hfsc sch_ingress sch_sfq xt_CT xt_time xt_connlimit xt_realm xt_addrtype iptable_raw xt_comment xt_recent xt_policy ipt_ULOG ipt_REJECT ipt_REDIRECT ipt_NETMAP ipt_MASQUERADE ipt_ECN ipt_ecn ipt_CLUSTERIP ipt_ah nf_nat_tftp nf_nat_snmp_basic nf_conntrack_snmp nf_nat_sip nf_nat_pptp nf_nat_proto_gre nf_nat_irc nf_nat_h323 nf_nat_ftp nf_nat_amanda ts_kmp nf_conntrack_amanda nf_conntrack_sane nf_conntrack_tftp nf_conntrack_sip nf_conntrack_proto_udplite nf_conntrack_proto_sctp nf_conntrack_pptp nf_conntrack_proto_gre nf_conntrack_netlink nf_conntrack_netbios_ns nf_conntrack_broadcast nf_conntrack_irc nf_conntrack_h323 nf_conntrack_ftp xt_TPROXY nf_tproxy_core ip6_tables nf_defrag_ipv6 xt_tcpmss xt_pkttype xt_physdev xt_owner xt_NFQUEUE xt_NFLOG nfnetlink_log xt_multiport xt_mark xt_mac xt_limit xt_length xt_iprange xt_helper xt_hashlimit xt_DSCP xt_dscp xt_dccp xt_conntrack xt_connmark xt_CLASSIFY ipt_LOG xt_tcpudp xt_state iptable_nat nf_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_conntrack iptable_mangle nfnetlink iptable_filter ip_tables x_tables fuse nls_iso8859_1 nls_cp437 vfat fat loop snd_hda_codec_hdmi snd_hda_codec_idt snd_hda_intel snd_hda_codec snd_hwdep snd_pcm btusb bluetooth joydev snd_seq_midi sr_mod snd_rawmidi usbhid option cdrom usb_wwan hp_wmi hid usbserial snd_seq_midi_event sparse_keymap arc4 ath9k mac80211 ath9k_common ath9k_hw ath cfg80211 rfkill snd_seq ir_lirc_codec lirc_dev ir_mce_kbd_decoder ir_sony_decoder snd_timer ir_jvc_decoder snd_seq_device ir_rc6_decoder snd psmouse soundcore snd_page_alloc i2c_i801 serio_raw pcspkr ir_rc5_decoder rc_rc6_mce ir_nec_decoder wmi ene_ir rc_core evdev usb_storage uas uhci_hcd sd_mod crc_t10dif r8169 mii ehci_hcd usbcore usb_common [last unloaded: scsi_wait_scan]
[14759.652290] Pid: 149, comm: khubd Not tainted 3.2.5-reicore-55 #1
[14759.652295] Call Trace:
[14759.652303]  [<ffffffff810f4d00>] ? sysfs_evict_inode+0x1f/0x41
[14759.652312]  [<ffffffff8102f109>] ? warn_slowpath_common+0x78/0x8c
[14759.652326]  [<ffffffff8102f1b5>] ? warn_slowpath_fmt+0x45/0x4a
[14759.652336]  [<ffffffff812493ac>] ? scsi_device_dev_release_usercontext+0x181/0x19f
[14759.652345]  [<ffffffff810f4d50>] ? sysfs_hash_and_remove+0x2e/0x86
[14759.652353]  [<ffffffff810243be>] ? should_resched+0x5/0x23
[14759.652362]  [<ffffffff81337ad4>] ? _cond_resched+0x6/0x1a
[14759.652370]  [<ffffffff81338289>] ? mutex_lock+0xd/0x2d
[14759.652378]  [<ffffffff811526a5>] ? bsg_unregister_queue+0x3f/0x78
[14759.652386]  [<ffffffff81249948>] ? __scsi_remove_device+0x31/0xb2
[14759.652393]  [<ffffffff8124892b>] ? scsi_forget_host+0x45/0x56
[14759.652402]  [<ffffffff81240bc9>] ? scsi_remove_host+0x75/0xe8
[14759.652422]  [<ffffffffa0065b81>] ? quiesce_and_remove_host+0x51/0x84 [usb_storage]
[14759.652442]  [<ffffffffa0065c5b>] ? usb_stor_disconnect+0x15/0x1e [usb_storage]
[14759.652467]  [<ffffffffa0010f5d>] ? usb_unbind_interface+0x4d/0x111 [usbcore]
[14759.652481]  [<ffffffff81236adb>] ? __device_release_driver+0x7d/0xc9
[14759.652488]  [<ffffffff81236b42>] ? device_release_driver+0x1b/0x27
[14759.652496]  [<ffffffff81236743>] ? bus_remove_device+0x7c/0x8b
[14759.652504]  [<ffffffff81234778>] ? device_del+0x129/0x177
[14759.652528]  [<ffffffffa000f53b>] ? usb_disable_device+0x6a/0x159 [usbcore]
[14759.652551]  [<ffffffffa00096a7>] ? usb_disconnect+0x82/0xed [usbcore]
[14759.652574]  [<ffffffffa000ad0c>] ? hub_thread+0x4f9/0xe18 [usbcore]
[14759.652583]  [<ffffffff81043c74>] ? add_wait_queue+0x3c/0x3c
[14759.652606]  [<ffffffffa000a813>] ? usb_remote_wakeup+0x2f/0x2f [usbcore]
[14759.652614]  [<ffffffff810436c3>] ? kthread+0x76/0x7e
[14759.652623]  [<ffffffff8133a7b4>] ? kernel_thread_helper+0x4/0x10
[14759.652631]  [<ffffffff8104364d>] ? kthread_worker_fn+0x12f/0x12f
[14759.652638]  [<ffffffff8133a7b0>] ? gs_change+0xb/0xb
[14759.652643] ---[ end trace d51b5cdd24ff0df5 ]---