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

** Tags added: bionic

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https://bugs.launchpad.net/bugs/1789589

Title:
  USB-SATA resets when UAS is used

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Dear developers,
  I have a Icybox 4 HDD enclosure with a JMicrom JMS567 SATA to USB converter. 
When the device is under load and more than 1 hardrive is acessed, the USB 
enclosure frequently restarts. This leaves often a corrup filesystem. I tried 
to switch off UAS by creating a file in /etc/modprobe.d/blacklist_uas.conf with 
the following content:
  options usb-storage quirks=152d:0567:u
  This disables UAS, and I did not exerinecs restarts of the box. But of course 
thios laves only USB speeds on the USB3 connector, which is quite slow.
  I think this suggest this is a kernel bug and not a hardware issues.
  I aasume the problem is in the linux-image-4.15.0-33-generic package.
  Similar has been reported:
  https://www.spinics.net/lists/linux-usb/msg157550.html  
  Any help would be greatly appreciated.
  Best regards
  Michael

  lsusb -vvv -s 003:004

  Bus 003 Device 004: ID 152d:0567 JMicron Technology Corp. / JMicron USA 
Technology Corp. JMS567 SATA 6Gb/s bridge
  Couldn't open device, some information will be missing
  Device Descriptor:
    bLength                18
    bDescriptorType         1
    bcdUSB               3.00
    bDeviceClass            0 (Defined at Interface level)
    bDeviceSubClass         0 
    bDeviceProtocol         0 
    bMaxPacketSize0         9
    idVendor           0x152d JMicron Technology Corp. / JMicron USA Technology 
Corp.
    idProduct          0x0567 JMS567 SATA 6Gb/s bridge
    bcdDevice            2.05
    iManufacturer          10 
    iProduct               11 
    iSerial                 5 
    bNumConfigurations      1
    Configuration Descriptor:
      bLength                 9
      bDescriptorType         2
      wTotalLength           44
      bNumInterfaces          1
      bConfigurationValue     1
      iConfiguration          0 
      bmAttributes         0xc0
        Self Powered
      MaxPower                2mA
      Interface Descriptor:
        bLength                 9
        bDescriptorType         4
        bInterfaceNumber        0
        bAlternateSetting       0
        bNumEndpoints           2
        bInterfaceClass         8 Mass Storage
        bInterfaceSubClass      6 SCSI
        bInterfaceProtocol     80 Bulk-Only
        iInterface              0 
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x81  EP 1 IN
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0400  1x 1024 bytes
          bInterval               0
          bMaxBurst              15
        Endpoint Descriptor:
          bLength                 7
          bDescriptorType         5
          bEndpointAddress     0x02  EP 2 OUT
          bmAttributes            2
            Transfer Type            Bulk
            Synch Type               None
            Usage Type               Data
          wMaxPacketSize     0x0400  1x 1024 bytes
          bInterval               0
          bMaxBurst              15
  res3stockm@brix:~$ lsb_release -rd
  Description:  Ubuntu 18.04.1 LTS
  Release:      18.04

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