My output relating to this issue using kernel 4.1.1-040101-generic
[ 1.592050] usb 1-3: device descriptor read/64, error -71 [ 1.628908] sda: sda1 sda2 < sda5 > [ 1.629527] sd 2:0:0:0: [sda] Attached SCSI disk [ 1.630073] Freeing unused kernel memory: 948K (c1a98000 - c1b85000) [ 1.630156] Write protecting the kernel text: 7080k [ 1.630295] Write protecting the kernel read-only data: 3028k [ 1.630298] NX-protecting the kernel data: 5208k [ 1.651376] random: systemd-udevd urandom read with 24 bits of entropy available [ 1.695080] r8169 Gigabit Ethernet driver 2.3LK-NAPI loaded [ 1.695095] r8169 0000:03:00.0: can't disable ASPM; OS doesn't have ASPM control [ 1.695668] r8169 0000:03:00.0 eth0: RTL8168b/8111b at 0xf8416000, 00:16:e6:58:8a:be, XID 10000000 IRQ 27 [ 1.695673] r8169 0000:03:00.0 eth0: jumbo features [frames: 4080 bytes, tx checksumming: ko] [ 1.716028] tsc: Refined TSC clocksource calibration: 3416.420 MHz [ 1.716036] clocksource tsc: mask: 0xffffffffffffffff max_cycles: 0x313ee636be6, max_idle_ns: 440795291169 ns [ 1.754185] Floppy drive(s): fd0 is 1.44M [ 1.773858] FDC 0 is a post-1991 82077 [ 1.824136] usb 1-3: device descriptor read/64, error -71 [ 2.040042] usb 1-3: new high-speed USB device number 3 using ehci-pci [ 2.107876] EXT4-fs (sda1): mounted filesystem with ordered data mode. Opts: (null) [ 2.164056] usb 1-3: device descriptor read/64, error -71 [ 2.392044] usb 1-3: device descriptor read/64, error -71 [ 2.608044] usb 1-3: new high-speed USB device number 4 using ehci-pci [ 2.716144] Switched to clocksource tsc [ 3.020030] usb 1-3: device not accepting address 4, error -71 [ 3.132039] usb 1-3: new high-speed USB device number 5 using ehci-pci [ 3.544029] usb 1-3: device not accepting address 5, error -71 [ 3.544749] usb usb1-port3: unable to enumerate USB device [ 3.680036] usb 1-5: new high-speed USB device number 6 using ehci-pci [ 3.796031] usb 3-1: new full-speed USB device number 2 using uhci_hcd [ 3.812344] usb 1-5: New USB device found, idVendor=0fe9, idProduct=db54 [ 3.812350] usb 1-5: New USB device strings: Mfr=0, Product=0, SerialNumber=0 [ 3.920037] usb 3-1: device descriptor read/64, error -71 [ 4.052040] usb 5-1: new low-speed USB device number 2 using uhci_hcd [ 4.148051] usb 3-1: device descriptor read/64, error -71 [ 4.235050] usb 5-1: New USB device found, idVendor=045e, idProduct=0039 [ 4.235058] usb 5-1: New USB device strings: Mfr=1, Product=3, SerialNumber=0 [ 4.235063] usb 5-1: Product: Microsoft 5-Button Mouse with IntelliEye(TM) [ 4.235068] usb 5-1: Manufacturer: Microsoft [ 4.364070] usb 3-1: new full-speed USB device number 3 using uhci_hcd [ 4.476037] usb 5-2: new low-speed USB device number 3 using uhci_hcd [ 4.483706] random: nonblocking pool is initialized [ 4.488079] usb 3-1: device descriptor read/64, error -71 [ 4.661045] usb 5-2: New USB device found, idVendor=045e, idProduct=009d [ 4.661054] usb 5-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [ 4.661059] usb 5-2: Product: Microsoft Wireless Optical Desktop® 2.10 [ 4.661063] usb 5-2: Manufacturer: Microsoft [ 4.716067] usb 3-1: device descriptor read/64, error -71 [ 4.932037] usb 3-1: new full-speed USB device number 4 using uhci_hcd [ 5.065563] systemd[1]: Inserted module 'autofs4' [ 5.146471] systemd[1]: systemd 219 running in system mode. (+PAM +AUDIT +SELINUX +IMA +APPARMOR +SMACK +SYSVINIT +UTMP +LIBCRYPTSETUP +GCRYPT -GNUTLS +ACL +XZ -LZ4 -SECCOMP +BLKID -ELFUTILS +KMOD -IDN) [ 5.146684] systemd[1]: Detected architecture x86. [ 5.155485] systemd[1]: Set hostname to <jim-desktop>. [ 5.348047] usb 3-1: device not accepting address 4, error -71 [ 5.460052] usb 3-1: new full-speed USB device number 5 using uhci_hcd [ 5.876040] usb 3-1: device not accepting address 5, error -71 [ 5.876772] usb usb3-port1: unable to enumerate USB device -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1430069 Title: [Samsung NP530U3C-A02CL] usb 1-2: device descriptor read/64, error -71 To manage notifications about this bug go to: https://bugs.launchpad.net/linux/+bug/1430069/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
