Here are the kernel messages leading to the hard lockup: Jun 20 19:26:41 MINDBENDER kernel: scsi 9:0:0:0: uas_eh_device_reset_handler Jun 20 19:26:41 MINDBENDER kernel: scsi host9: uas_eh_task_mgmt: LOGICAL UNIT RESET: Jun 20 19:26:41 MINDBENDER kernel: scsi host9: uas_eh_bus_reset_handler start Jun 20 19:26:41 MINDBENDER kernel: usb 3-1: stat urb: killed, stream 1 Jun 20 19:26:41 MINDBENDER kernel: scsi 9:0:0:0: uas_data_cmplt ffff8803e915bc80 tag Jun 20 19:26:41 MINDBENDER kernel: scsi 9:0:0:0: data cmplt err -2 stream 1 Jun 20 19:26:41 MINDBENDER kernel: scsi 9:0:0:0: uas_zap_dead ffff8803e915bc80 tag - Jun 20 19:26:41 MINDBENDER kernel: scsi 9:0:0:0: abort completed Jun 20 19:26:41 MINDBENDER kernel: usb 3-1: reset SuperSpeed USB device number 5 usi Jun 20 19:26:41 MINDBENDER kernel: xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint ca Jun 20 19:26:41 MINDBENDER kernel: xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint ca Jun 20 19:26:41 MINDBENDER kernel: xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint ca Jun 20 19:26:41 MINDBENDER kernel: xhci_hcd 0000:02:00.0: xHCI xhci_drop_endpoint ca Jun 20 19:26:41 MINDBENDER kernel: scsi host9: uas_eh_bus_reset_handler success On Fri, 20 Jun 2014 22:44:35 -0400 (GMT-04:00) Jonathan <jonathan.625266@xxxxxxxxxxxxx> wrote: > After upgrading to kernel 3.15 my USB 3.0 HDD dock no longer works. In fact, as soon as I connect and power up a drive with the uas module loaded, I get a hard lockup and have to restart the system. Without the uas module loaded, the dock is detected but the drive is not, rendering it unusable. I had no problems at all with this hardware on kernel 3.14. -- 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
