• 20 port USB3 Hub not working with Linux


    Hi,
    I have bought a 20 port usb hub just to find out that is not working in Linux :(
    for example if I insert one hard disk is working fine but if I insert a second hard disk, the second hard disk is not working at all , it ejects and inject the hard disk automatically.
    The same happens with the USB sticks.
    If I insert a hard disk straight to my PC usb 3 is working fine but with the 20 port hub I am having problems.

    However I have tested the same hub under an old pc with a usb 2 and everything was working fine , I could even put 5-6 hard disks in the hub and all were working fine.

    So whats wrong with Linux and USB3?

    Thanks

    Kyrisk

  • @kyrisk

    You can paste the result with the Hub connected:

    $ lsusb

    ?

  • lsusb

    Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 005 Device 003: ID 03f0:4717 Hewlett-Packard Color LaserJet CP1215
    Bus 005 Device 002: ID 1b1c:1b09 Corsair Vengeance K70R keyboard
    Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 003 Device 012: ID 1058:10a8 Western Digital Technologies, Inc. Elements Portable (WDBUZG)
    Bus 003 Device 011: ID 0bda:5411 Realtek Semiconductor Corp.
    Bus 003 Device 010: ID 0bda:5411 Realtek Semiconductor Corp.
    Bus 003 Device 009: ID 0bda:5411 Realtek Semiconductor Corp.
    Bus 003 Device 015: ID 0bda:5411 Realtek Semiconductor Corp.
    Bus 003 Device 014: ID 0bda:5411 Realtek Semiconductor Corp.
    Bus 003 Device 013: ID 0bda:5411 Realtek Semiconductor Corp.
    Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
    Bus 001 Device 003: ID 8087:0aa7 Intel Corp.
    Bus 001 Device 002: ID 1b1c:1b05 Corsair
    Bus 001 Device 004: ID 264a:1fb4
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

  • Does your hub have a seperate input for power? And do you have it connected with some extra power?
    I had a similar issue with a 3.0 hub before when there were 2 hdds connected, and all this injecting and ejecting happened.
    When I added a second usb cable connected to the power input of the hub, the issue stopped.

  • All my usb hubs have power adapters and it seems so far none is working properly in Linux.
    The weird thing is that if I put a usb device directly to my pc(Linux os) is working fine and also in Windows every usb hub is working fine.

    So my only guess is something with Linux drivers(Kernel) that is not working properly which I dont know what it is.

    I have an Asrock Fatality X399 Mobo with a Threadriper (latest bios) so maybe something with Kernel Drivers is not working.
    I will wait for Kernel 4.15 and check it out.

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