On Sat, 22 Sep 2018, Barry Grussling wrote:
> When I plug my USB reader (11b0:6348) into my computer (MSI X399
> Carbon Pro, Threadripper 1900X),
> I get warnings about a bad usb cable:
> Sep 22 11:11:51 ciri kernel: usb 5-3.3-port4: Cannot enable. Maybe the
> USB cable is bad?
> Sep 22 11:11:52 ciri kernel: usb 5-3.3.4: new high-speed USB device
> number 15 using xhci_hcd
> Sep 22 11:11:52 ciri kernel: usb 5-3.3.4: New USB device found,
> idVendor=11b0, idProduct=6348, bcdDevice= 1.11
> Sep 22 11:11:52 ciri kernel: usb 5-3.3.4: New USB device strings:
> Mfr=1, Product=2, SerialNumber=3
> Sep 22 11:11:52 ciri kernel: usb 5-3.3.4: Product: USB3.0 Media Reader
> Sep 22 11:11:52 ciri kernel: usb 5-3.3.4: Manufacturer: Kingston
> Sep 22 11:11:52 ciri kernel: usb 5-3.3.4: SerialNumber: 201402131335
> Sep 22 11:11:52 ciri kernel: usb-storage 5-3.3.4:1.0: USB Mass Storage
> device detected
> Sep 22 11:11:52 ciri kernel: scsi host11: usb-storage 5-3.3.4:1.0
>
> This warning shows up on all USB3 ports that I plug it in to (tried 3
> of them directly off the MB).
> I have also tried it using on the other side of a USB3 hub (2109:8110)
> and still receive the
> same message. I have tried 3 different USB cables and all report the
> same warning.
>
> If I instead plug into one of the USB2 only ports ("console ports" on
> MB) I get no warning:
> Sep 22 11:37:15 ciri kernel: usb 1-12: new high-speed USB device
> number 8 using xhci_hcd
> Sep 22 11:37:15 ciri kernel: usb 1-12: New USB device found,
> idVendor=11b0, idProduct=6348, bcdDevice= 1.11
> Sep 22 11:37:15 ciri kernel: usb 1-12: New USB device strings: Mfr=1,
> Product=2, SerialNumber=3
> Sep 22 11:37:15 ciri kernel: usb 1-12: Product: USB3.0 Media Reader
> Sep 22 11:37:15 ciri kernel: usb 1-12: Manufacturer: Kingston
> Sep 22 11:37:15 ciri kernel: usb 1-12: SerialNumber: 201402131335
> Sep 22 11:37:15 ciri kernel: usb-storage 1-12:1.0: USB Mass Storage
> device detected
> Sep 22 11:37:15 ciri kernel: scsi host11: usb-storage 1-12:1.0
>
> The warning appears to be mostly benign, as functionality appears to
> be unaffected. It did
> result in me purchasing a few replacement USB cables in an attempt to
> remove the warning.
>
> Anything I can do to "fix" this? I have verified the USB reader
> (FCR-HS3) is running the latest
> firmware from Kingston.
>
> I am running Linux v4.19-rc4-89-g6ad49fa1993d.
There's no easy way to tell what the cause is, but you can get a little
more information by collecting a usbmon trace while plugging in the
media reader.
Alan Stern
