Plugging a USB 3.0 device into a USB 3.0 port, I get this:
Code:
Jun 20 17:18:13 thor kernel: [162726.736892] xhci_hcd 0000:0a:00.0: Timeout while waiting for a slot
Jun 20 17:18:13 thor kernel: [162726.736907] hub 4-0:1.0: couldn't allocate port 2 usb_device
Plugging the same device into a USB 2.0 port, I get this:
Code:
Jun 20 17:19:06 thor kernel: [162779.435485] usb 2-1.1: new high-speed USB device number 10 using ehci_hcd
Jun 20 17:19:06 thor kernel: [162779.522369] usb 2-1.1: New USB device found, idVendor=125f, idProduct=0001
Jun 20 17:19:06 thor kernel: [162779.522379] usb 2-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
Jun 20 17:19:06 thor kernel: [162779.522385] usb 2-1.1: Product: USB Flash Drive
Jun 20 17:19:06 thor kernel: [162779.522390] usb 2-1.1: Manufacturer: USB 3.0
Jun 20 17:19:06 thor kernel: [162779.522394] usb 2-1.1: SerialNumber: 09021000000000003036825588
Jun 20 17:19:06 thor kernel: [162779.524535] scsi10 : usb-storage 2-1.1:1.0
Jun 20 17:19:06 thor mtp-probe: checking bus 2, device 10: "/sys/devices/pci0000:00/0000:00:1d.0/usb2/2-1/2-1.1"
Jun 20 17:19:06 thor mtp-probe: bus: 2, device: 10 was not an MTP device
Jun 20 17:19:07 thor kernel: [162780.527274] scsi 10:0:0:0: Direct-Access USB 3.0 USB Flash Drive 1.00 PQ: 0 ANSI: 5
Jun 20 17:19:07 thor kernel: [162780.529436] sd 10:0:0:0: Attached scsi generic sg3 type 0
Jun 20 17:19:07 thor kernel: [162780.530860] sd 10:0:0:0: [sdc] 61407232 512-byte logical blocks: (31.4 GB/29.2 GiB)
Jun 20 17:19:07 thor kernel: [162780.531243] sd 10:0:0:0: [sdc] Write Protect is off
Jun 20 17:19:07 thor kernel: [162780.531726] sd 10:0:0:0: [sdc] No Caching mode page present
Jun 20 17:19:07 thor kernel: [162780.531735] sd 10:0:0:0: [sdc] Assuming drive cache: write through
Jun 20 17:19:07 thor kernel: [162780.538757] sd 10:0:0:0: [sdc] No Caching mode page present
Jun 20 17:19:07 thor kernel: [162780.538767] sd 10:0:0:0: [sdc] Assuming drive cache: write through
Jun 20 17:19:07 thor kernel: [162780.539667] sdc:
Jun 20 17:19:07 thor kernel: [162780.542467] sd 10:0:0:0: [sdc] No Caching mode page present
Jun 20 17:19:07 thor kernel: [162780.542477] sd 10:0:0:0: [sdc] Assuming drive cache: write through
Jun 20 17:19:07 thor kernel: [162780.542483] sd 10:0:0:0: [sdc] Attached SCSI removable disk