Comment 7 for bug 1552668

I have encountered this issue few times recently, here's my log, the USB port should be a USB 3.0 card reader
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Mar 18 20:14:56 Ubuntu kernel: [ 1217.542800] usb 3-2: USB disconnect, device number 2
Mar 18 20:14:56 Ubuntu kernel: [ 1217.542807] usb 3-2.3: USB disconnect, device number 3
Mar 18 20:14:56 Ubuntu kernel: [ 1217.551010] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.551540] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.551631] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.551884] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.552324] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.552380] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.552383] usb 4-2.3-port3: Cannot enable. Maybe the USB cable is bad?
Mar 18 20:14:56 Ubuntu kernel: [ 1217.552880] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.552885] usb 4-2.3-port3: cannot disable (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.553047] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.553261] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.553506] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.553753] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.554004] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.554256] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.554260] usb 4-2.3-port3: Cannot enable. Maybe the USB cable is bad?
Mar 18 20:14:56 Ubuntu kernel: [ 1217.554505] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.554508] usb 4-2.3-port3: cannot disable (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.554825] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.555005] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.555253] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.555506] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.555754] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.556004] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.556007] usb 4-2.3-port3: Cannot enable. Maybe the USB cable is bad?
Mar 18 20:14:56 Ubuntu kernel: [ 1217.556264] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.556267] usb 4-2.3-port3: cannot disable (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.556606] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.556754] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.557004] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.557254] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.557502] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.557751] usb 4-2.3-port3: cannot reset (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.557753] usb 4-2.3-port3: Cannot enable. Maybe the USB cable is bad?
Mar 18 20:14:56 Ubuntu kernel: [ 1217.558100] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.558104] usb 4-2.3-port3: cannot disable (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.558257] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.558259] usb 4-2.3-port3: cannot disable (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.558503] hub 4-2.3:1.0: hub_port_status failed (err = -71)
Mar 18 20:14:56 Ubuntu kernel: [ 1217.770847] usb 4-2: USB disconnect, device number 2
Mar 18 20:14:56 Ubuntu kernel: [ 1217.770853] usb 4-2.3: USB disconnect, device number 3
Mar 18 20:14:56 Ubuntu kernel: [ 1217.770856] usb 4-2.3.3: USB disconnect, device number 4
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820671] BUG: unable to handle kernel paging request at 00007f0055b12000
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820677] IP: [<ffffffff811ca390>] anon_vma_fork+0xd0/0x140
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820684] PGD 7ca6fd067 PUD 75d564067 PMD 7bdc35067 PTE 80000007f20aa865
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820689] Oops: 0003 [#1] SMP
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820692] Modules linked in: pci_stub vboxpci(OE) vboxnetadp(OE) vboxnetflt(OE) vboxdrv(OE) xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter ip_tables x_tables nf_nat nf_conntrack br_netfilter bridge stp llc aufs binfmt_misc snd_hda_codec_hdmi nvidia_uvm(POE) nvidia_modeset(POE) snd_hda_codec_realtek snd_hda_codec_generic intel_rapl x86_pkg_temp_thermal intel_powerclamp coretemp kvm_intel nvidia(POE) input_leds snd_hda_intel kvm snd_hda_codec snd_hda_core snd_hwdep irqbypass crct10dif_pclmul crc32_pclmul snd_pcm aesni_intel aes_x86_64 lrw snd_seq_midi gf128mul snd_seq_midi_event glue_helper snd_rawmidi ablk_helper cryptd snd_seq snd_seq_device snd_timer serio_raw drm snd soundcore mei_me lpc_ich mei shpchp 8250_fintek mac_hid sunrpc parport_pc ppdev lp parport autofs4 btrfs xor raid6_pq uas usb_storage hid_generic usbhid hid psmouse ahci r8169 libahci mii video fjes
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820753] CPU: 1 PID: 7294 Comm: systemd-udevd Tainted: P OE 4.4.0-13-generic #29-Ubuntu
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820756] Hardware name: To be filled by O.E.M. To be filled by O.E.M./H67M-S/H67M-V/H67M , BIOS C29F1P03 03/15/2013
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820758] task: ffff8807f6d95280 ti: ffff8807bde10000 task.ti: ffff8807bde10000
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820760] RIP: 0010:[<ffffffff811ca390>] [<ffffffff811ca390>] anon_vma_fork+0xd0/0x140
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820764] RSP: 0018:ffff8807bde13db8 EFLAGS: 00010246
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820766] RAX: ffff8807f6d95280 RBX: ffff880789c06d48 RCX: 0000000000076bbe
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820768] RDX: 0000000000000000 RSI: 00000000024000c0 RDI: ffff8807f473d7d8
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820770] RBP: ffff8807bde13de0 R08: ffff88081ec99fc0 R09: 00007f0055b12000
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820772] R10: 00000007f0055b18 R11: ffff880789c06bb8 R12: ffff8807baa10708
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820774] R13: 0000000000000000 R14: ffff8800c691f550 R15: 00007f0055b12000
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820776] FS: 00007f00569bc8c0(0000) GS:ffff88081ec80000(0000) knlGS:0000000000000000
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820778] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820780] CR2: 00007f0055b12000 CR3: 000000075d748000 CR4: 00000000000406e0
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820782] Stack:
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820783] ffff8807babede00 ffff8807baa10708 ffff880789c06d48 0000000000000004
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820786] ffff8807fa5d0228 ffff8807bde13ec0 ffffffff8107e922 00000000afac9020
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820789] 0000000000000000 00007f00569bcb90 0000000001200011 ffff880789c06ca0
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820792] Call Trace:
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820799] [<ffffffff8107e922>] copy_process+0x1482/0x1ad0
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820802] [<ffffffff8107f0d8>] _do_fork+0x78/0x360
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820805] [<ffffffff8107f469>] SyS_clone+0x19/0x20
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820810] [<ffffffff8181cd72>] entry_SYSCALL_64_fastpath+0x16/0x71
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820811] Code: 00 00 48 8b 00 49 89 06 49 8b 94 24 88 00 00 00 49 89 56 38 f0 ff 40 30 4c 89 b3 88 00 00 00 49 8b 06 48 8d 78 08 e8 30 0d 65 00 <49> 89 1f 4d 89 77 08 49 8d 47 10 48 8b 53 78 49 8d 76 40 4c 89
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820842] RIP [<ffffffff811ca390>] anon_vma_fork+0xd0/0x140
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820846] RSP <ffff8807bde13db8>
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820847] CR2: 00007f0055b12000
Mar 18 20:14:56 Ubuntu kernel: [ 1217.820850] ---[ end trace f8c3ab5e1b331485 ]---