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["Christopher M. Penalver" <christopher.m.penalver@xxxxxxxxx>]

** Changed in: linux (Ubuntu)
       Status: Confirmed => Incomplete

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https://bugs.launchpad.net/bugs/1455376

Title:
  REGRESSION after upgrade from 14.10 to 15.04: USB3 boot device lost
  during system boot: "xhci_hcd 0000:04:00.0: Error while assigning
  device slot ID" / "device not accepting address 2, error -22"

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Booting Ubuntu 15.04 amd64 kernel "Linux version 3.19.0-16-generic
  (buildd@komainu) (gcc version 4.9.2 (Ubuntu 4.9.2-10ubuntu13) )
  #16-Ubuntu SMP Thu Apr 30 16:09:58 UTC 2015" on a Samsung RF711-S08
  laptop (Sandy Bridge) from a USB3 stick connected to the USB3 port on
  the righthand side, the boot stalls at the Ubuntu splash screen (with
  the dots), with the USB3 stick LED showing no activity, eventually
  dropping to the initramfs console. If I unplug and replug the USB3
  stick during the stall period, the LED shows activity and the boot
  proceeds.

  The same USB3 stick boots on another laptop without any problems.

  Excerpts from dmesg:

  Recognition of the USB3 port:

  [    1.643737] xhci_hcd 0000:04:00.0: xHCI Host Controller
  [    1.643741] xhci_hcd 0000:04:00.0: new USB bus registered, assigned bus number 2
  [    1.646775] usb usb2: New USB device found, idVendor=1d6b, idProduct=0003
  [    1.646777] usb usb2: New USB device strings: Mfr=3, Product=2, SerialNumber=1
  [    1.646778] usb usb2: Product: xHCI Host Controller
  [    1.646780] usb usb2: Manufacturer: Linux 3.19.0-16-generic xhci-hcd
  [    1.646781] usb usb2: SerialNumber: 0000:04:00.0
  [    1.646886] hub 2-0:1.0: USB hub found
  [    1.646895] hub 2-0:1.0: 2 ports detected

  Failure to initialize the USB3 device:

  [    1.847589] xhci_hcd 0000:04:00.0: Error while assigning device slot ID
  [    1.847597] xhci_hcd 0000:04:00.0: Max number of devices this xHCI host supports is 32.
  [    1.847600] usb usb2-port1: couldn't allocate usb_device

  Replugged the USB3 device during the boot stall:

  [   13.861689] usb 2-1: new SuperSpeed USB device number 2 using xhci_hcd
  [   13.881832] usb 2-1: New USB device found, idVendor=0951, idProduct=162b
  [   13.881844] usb 2-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  [   13.881850] usb 2-1: Product: DT HyperX 3.0
  [   13.881855] usb 2-1: Manufacturer: Kingston
  [   13.881860] usb 2-1: SerialNumber: *********************
  [   13.885561] usb-storage 2-1:1.0: USB Mass Storage device detected
  [   13.885829] scsi host6: usb-storage 2-1:1.0
  [   13.885901] usbcore: registered new interface driver usb-storage
  [   13.887130] usbcore: registered new interface driver uas

  I assume the bug is at 1.847589.
  --- 
  ApportVersion: 2.17.2-0ubuntu1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  robert     1480 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 15.04
  InstallationDate: Installed on 2012-12-07 (889 days ago)
  InstallationMedia: Ubuntu 11.04 "Natty Narwhal" - Release amd64 (20110427)
  MachineType: SAMSUNG ELECTRONICS CO., LTD. RF511/RF411/RF711
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-16-generic root=UUID=51713370-20d5-4b75-ae59-7f6bda369278 ro quiet splash
  ProcVersionSignature: Ubuntu 3.19.0-16.16-generic 3.19.3
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-16-generic N/A
   linux-backports-modules-3.19.0-16-generic  N/A
   linux-firmware                             1.143
  Tags:  vivid
  Uname: Linux 3.19.0-16-generic x86_64
  UpgradeStatus: Upgraded to vivid on 2015-04-23 (22 days ago)
  UserGroups: adm admin cdrom dialout lpadmin mythtv plugdev sambashare
  _MarkForUpload: True
  dmi.bios.date: 11/27/2012
  dmi.bios.vendor: American Megatrends Inc.
  dmi.bios.version: 17HX.M045.20121127.SSH
  dmi.board.asset.tag: To be filled by O.E.M.
  dmi.board.name: RF511/RF411/RF711
  dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.board.version: 17HX
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 9
  dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
  dmi.chassis.version: N/A
  dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr17HX.M045.20121127.SSH:bd11/27/2012:svnSAMSUNGELECTRONICSCO.,LTD.:pnRF511/RF411/RF711:pvr17HX:rvnSAMSUNGELECTRONICSCO.,LTD.:rnRF511/RF411/RF711:rvr17HX:cvnSAMSUNGELECTRONICSCO.,LTD.:ct9:cvrN/A:
  dmi.product.name: RF511/RF411/RF711
  dmi.product.version: 17HX
  dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.

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