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[Bougron <Francis.Bougron@xxxxxxx>]

The problem is not to compare speed with windows and speed with ubuntu.
but  why with ubuntu, it is necessary to buy an extended USB2 cable to access the partitions...
Because without this add-in, it is impossible to read  the contents.


Note:  windows  read the contents without this add-in'.

Note:  DMESG ERROR  => partitions are not mounted!!!
[  156.115170] usb 4-1: new SuperSpeed USB device number 3 using xhci_hcd
[  156.156095] usb 4-1: New USB device found, idVendor=0951, idProduct=1666
[  156.156102] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[  156.156107] usb 4-1: Product: DataTraveler 3.0
[  156.156109] usb 4-1: Manufacturer: Kingston
[  156.156112] usb 4-1: SerialNumber: 60A44C426697FE50C98100E8
[  161.155016] usb 4-1: Set SEL for device-initiated U2 failed.
[  161.158798] usb 4-1: Disable of device-initiated U1 failed.
[  161.162296] usb 4-1: Disable of device-initiated U2 failed.
[  161.162307] usb-storage 4-1:1.0: USB Mass Storage device detected
[  161.162607] scsi host6: usb-storage 4-1:1.0
[  161.166470] usb 4-1: Set SEL for device-initiated U1 failed.
[  161.169955] usb 4-1: Set SEL for device-initiated U2 failed.
[  161.170119] usb 4-1: USB disconnect, device number 3

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https://bugs.launchpad.net/bugs/1588467

Title:
  Mount USB3 KEY of 64 Go

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  New question #293348 on Ubuntu:
  https://answers.launchpad.net/ubuntu/+question/293348

  Bonjour. / Hello.

  Je  peux utiliser ma clé USB3 sur un port USB3 avec windows mais pas avec ubuntu 16.04 sauf à y mettre un prolongateur usb2.
  I use my “USB3-key on a USB3 port with Windows but not with ubuntu 16.04 except to put a USB2 extender.

  u1604btrfs@u1604btrfs:~$ cat /etc/lsb-release
  DISTRIB_ID=Ubuntu
  DISTRIB_RELEASE=16.04
  DISTRIB_CODENAME=xenial
  DISTRIB_DESCRIPTION="Ubuntu 16.04 LTS"
  u1604btrfs@u1604btrfs:~$

  La clé USB3 de 64 GO connectée directement à un port USB3 n’a aucun problème avec windows10 avec un débit moyen de 42 MB/s.
  The USB3 64GB connected directly to a USB3 port was no problem with Windows 10 with an average throughput of 42 MB / s.

  La clé USB3 de 64 GO connectée via un càble USB de prolongation  (20 cm)  à un port USB3 fonctionne avec un débit moyen de 26 MB/s avec ubuntu.
  The USB3 64GB connected via an extension USB cable (20 cm) to a USB3 port works with an average throughput of 26 MB / s with ubuntu.

  Un disque USB3 connecté à ce même port USB3 fonctionne avec un débit moyen de 106 MB/s avec ubuntu,
  A USB3 drive connected to the same USB3 port works with an average throughput of 106 MB / s with ubuntu.

  La clé USB3 de 64 GO connectée directement à un port USB3 ne se monte pas  avec ubuntu, Je pense à un problème logiciel. Merci de votre avis.
  The USB 3 64GB connected directly to a USB3 port does not go up with ubuntu. I think to a software problem, Thanks for your review,

  Trace DMESG du branchement direct.
  Trace DMESG direct connection.
  [15027.934173] usb 3-1: USB disconnect, device number 3
  [15113.908384] usb 4-1: new SuperSpeed USB device number 3 using xhci_hcd
  [15113.949359] usb 4-1: New USB device found, idVendor=0951, idProduct=1666
  [15113.949370] usb 4-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  [15113.949377] usb 4-1: Product: DataTraveler 3.0
  [15113.949387] usb 4-1: Manufacturer: Kingston
  [15113.949395] usb 4-1: SerialNumber: 60A44C426697FE50C98100E8
  [15118.948235] usb 4-1: Set SEL for device-initiated U2 failed.
  [15118.951961] usb 4-1: Disable of device-initiated U1 failed.
  [15118.955466] usb 4-1: Disable of device-initiated U2 failed.
  [15118.955474] usb-storage 4-1:1.0: USB Mass Storage device detected
  [15118.955648] scsi host9: usb-storage 4-1:1.0
  [15118.959180] usb 4-1: Set SEL for device-initiated U1 failed.
  [15118.962661] usb 4-1: Set SEL for device-initiated U2 failed.
  [15118.962810] usb 4-1: USB disconnect, device number 3
  [15455.620301] perf interrupt took too long (2527 > 2500), lowering kernel.perf_event_max_sample_rate to 50000

  Trace DMESG du branchement avec un câble prolongateur.
  Trace DMESG connecting with an extension cable.
  [15455.620301] perf interrupt took too long (2527 > 2500), lowering kernel.perf_event_max_sample_rate to 50000
  [15930.041889] usb 3-1: new high-speed USB device number 4 using xhci_hcd
  [15930.248230] usb 3-1: New USB device found, idVendor=0951, idProduct=1666
  [15930.248237] usb 3-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
  [15930.248241] usb 3-1: Product: DataTraveler 3.0
  [15930.248244] usb 3-1: Manufacturer: Kingston
  [15930.248246] usb 3-1: SerialNumber: 60A44C426697FE50C98100E8
  [15930.248591] usb 3-1: ep 0x81 - rounding interval to 128 microframes, ep desc says 255 microframes
  [15930.248610] usb 3-1: ep 0x2 - rounding interval to 128 microframes, ep desc says 255 microframes
  [15930.249352] usb-storage 3-1:1.0: USB Mass Storage device detected
  [15930.251542] scsi host10: usb-storage 3-1:1.0
  [15932.447123] scsi 10:0:0:0: Direct-Access     Kingston DataTraveler 3.0 1.00 PQ: 0 ANSI: 6
  [15932.447953] sd 10:0:0:0: Attached scsi generic sg2 type 0
  [15932.449447] sd 10:0:0:0: [sdb] 120845300 512-byte logical blocks: (61.9 GB/57.6 GiB)
  [15932.451694] sd 10:0:0:0: [sdb] Write Protect is off
  [15932.451704] sd 10:0:0:0: [sdb] Mode Sense: 4f 00 00 00
  [15932.453308] sd 10:0:0:0: [sdb] Write cache: disabled, read cache: enabled, doesn't support DPO or FUA
  [15932.470160]  sdb: sdb1 sdb2 sdb3 sdb4
  [15932.472853] sd 10:0:0:0: [sdb] Attached SCSI removable disk
  [15933.102257] EXT4-fs (sdb3): mounted filesystem with ordered data mode. Opts: (null)
  [15933.128433] EXT4-fs (sdb2): mounted filesystem with ordered data mode. Opts: (null)
  u1604btrfs@u1604btrfs:~$

  ---
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  u604       2383 F.... pulseaudio
  CurrentDesktop: Unity
  DistroRelease: Ubuntu 16.04
  MachineType: TOSHIBA SATELLITE S70t-A
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-22-generic.efi.signed root=UUID=17f90115-fe0b-440d-9708-7039508c3003 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-22.40-generic 4.4.8
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-22-generic N/A
   linux-backports-modules-4.4.0-22-generic  N/A
   linux-firmware                            1.157
  Tags:  xenial
  Uname: Linux 4.4.0-22-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm cdrom dip libvirtd lpadmin plugdev sambashare sudo
  _MarkForUpload: True
  dmi.bios.date: 04/18/2014
  dmi.bios.vendor: Insyde Corp.
  dmi.bios.version: 1.30
  dmi.board.asset.tag: Type2 - Board Asset Tag
  dmi.board.name: Type2 - Board Product Name1
  dmi.board.vendor: Type2 - Board Vendor Name1
  dmi.board.version: Type2 - Board Version
  dmi.chassis.asset.tag: No Asset Tag
  dmi.chassis.type: 10
  dmi.chassis.vendor: OEM Chassis Manufacturer
  dmi.chassis.version: OEM Chassis Version
  dmi.modalias: dmi:bvnInsydeCorp.:bvr1.30:bd04/18/2014:svnTOSHIBA:pnSATELLITES70t-A:pvrPSKN6E-01C00KFR:rvnType2-BoardVendorName1:rnType2-BoardProductName1:rvrType2-BoardVersion:cvnOEMChassisManufacturer:ct10:cvrOEMChassisVersion:
  dmi.product.name: SATELLITE S70t-A
  dmi.product.version: PSKN6E-01C00KFR
  dmi.sys.vendor: TOSHIBA

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