These specific dmesg messages are from a 4.10.0 kernel, but 4.12, 4.13, 4.13.1 and 4.13.2 have the same problem. Here's the output from a 4.13.2 kernel: [...] [ 13.371999] usb 3-2: 2:1: cannot get freq at ep 0x1 [ 13.538021] usb 3-2: 2:1: cannot get freq at ep 0x1 [...] (full dmesg here: https://pastebin.com/1bqtgDJ3) Best regards Matthias 2017-09-14 19:41 GMT+02:00 Greg KH <gregkh@xxxxxxxxxxxxxxxxxxx>: > On Wed, Sep 13, 2017 at 07:54:21AM +0200, Matthias Lohr wrote: >> Hello, >> >> i'm using a Lenovo Carbon x1 (5th generation) with a HP Thunderbolt 3 >> dock (90W version). All ports are working, except USB Ports - for ~30 >> minutes. After ~30 minutes, also the USB ports get activated. >> >> While waiting for that, dmesg shows something like a "loop" through usb devices: >> >> [...] >> [ 389.023845] usb 3-1: new high-speed USB device number 55 using xhci_hcd >> [ 389.491841] usb 3-1: new high-speed USB device number 56 using xhci_hcd >> [ 389.959928] usb 3-1: new high-speed USB device number 57 using xhci_hcd >> [ 390.427925] usb 3-1: new high-speed USB device number 58 using xhci_hcd >> [ 390.895832] usb 3-1: new high-speed USB device number 59 using xhci_hcd >> [ 391.363817] usb 3-1: new high-speed USB device number 60 using xhci_hcd >> [ 391.831818] usb 3-1: new high-speed USB device number 61 using xhci_hcd >> [ 392.299759] usb 3-1: new high-speed USB device number 62 using xhci_hcd >> [ 392.771813] usb 3-1: new high-speed USB device number 63 using xhci_hcd >> [ 393.239765] usb 3-1: new high-speed USB device number 64 using xhci_hcd >> [...] >> >> Some lines which might be interesting: >> [ 13.908506] usb 3-2: 2:1: cannot get freq at ep 0x1 >> [ 14.058807] usb 3-2: 2:1: cannot get freq at ep 0x1 >> [ 14.210694] usb 3-2: 2:1: cannot get freq at ep 0x1 > > what kernel version is this? > > thanks, > > greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
