On 06/08/2012 04:11 PM, Greg KH wrote: > On Fri, Jun 08, 2012 at 02:36:36PM -0700, walt wrote: >> 03:00.0 USB controller: ASMedia Technology Inc. ASM1042 SuperSpeed USB Host Controller >> Subsystem: Device 174c:2104 >> Kernel driver in use: xhci_hcd >> >> This is an add-on usb3 adapter, which I connect to an external usb3/SATA >> docking station. The whole setup works extremely well except for one >> annoying thing: >> >> When I power-up the docking station with the computer already running, >> neither the docking station nor the hard disk show up until I do one >> of two things: either reboot, or rmmod/modprobe the xhci module (which >> loads automatically during boot). >> >> What's your opinion -- should the xhci driver be able to work around this >> problem without help? Dunno. > > That sounds like a PCI hotplug issue, do you have the proper pci hotplug > driver loaded for this docking station and does it properly detect when > it is plugged in? Well, something worked but I don't know yet which driver did it :) Just trying drivers at random, I've loaded pciehp, pci_hotplug, and scsi_wait_scan (didn't even know I had enabled that last one), and now the docking station finds the disk when I power it on. Thanks very much for your help. (If I replied earlier to your email address it was unintentional.) -- 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
