On Fri, Feb 9, 2018 at 3:57 AM, Menion <men...@gmail.com> wrote: > There are multiple reports of UAS issue together with JMS567 (from myself > also) > Question: you mentioned that connecting the enclosure to an > intermediate USB HUB is a workaround. > Can you specify if your PC USB port is USB 3.0 and if the HUB is USB > 3.0 as well, and if it is self-powered or not?
The port and hub are USB 3.0, and the hub has its own power supply (I guess that's self-powered, not bus powered?). [154810.100995] usb 2-4: new SuperSpeed USB device number 11 using xhci_hcd [154810.353775] usb 2-4: New USB device found, idVendor=2109, idProduct=0812 [154810.353814] usb 2-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [154810.353841] usb 2-4: Product: USB3.0 Hub [154810.353862] usb 2-4: Manufacturer: VIA Labs, Inc. [154810.364888] hub 2-4:1.0: USB hub found [154810.365246] hub 2-4:1.0: 4 ports detected [154810.465557] usb 1-4: new high-speed USB device number 8 using xhci_hcd [154810.596631] usb 1-4: New USB device found, idVendor=2109, idProduct=2812 [154810.596671] usb 1-4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 [154810.596697] usb 1-4: Product: USB2.0 Hub [154810.596718] usb 1-4: Manufacturer: VIA Labs, Inc. [154810.605720] hub 1-4:1.0: USB hub found [154810.606022] hub 1-4:1.0: 4 ports detected [chris@f27s ~]$ sudo lsusb Bus 002 Device 011: ID 2109:0812 VIA Labs, Inc. VL812 Hub Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub Bus 001 Device 004: ID 8087:0a2a Intel Corp. Bus 001 Device 003: ID 05e3:0610 Genesys Logic, Inc. 4-port hub Bus 001 Device 008: ID 2109:2812 VIA Labs, Inc. VL812 Hub Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub I'm not sure why there are two instances for this single hub with lsusb. The verbose output has some differences between the two instances. -- Chris Murphy -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
