On Mon, 2 Jan 2012, Perry Wagle wrote: > I'm unable to get a Addronics 5-Port HPM-XU (USB/ESATA) port > multiplier to work on Fedora-16. > > If I plug 2 identical disks into it, it doesn't work. If I plug > either of those disks in by themselves, it works. > > I'm plugging the Port Multiplier in via USB2 cable to a USB2 port. > The disks are all plugged into the Port Multiplier via direct SATA > cables. Other people report it works just fine under fedora 14 and > 16, but I get the same errors more or less on three completely > different linux systems. Works fine on one of those system while its > running windows 7. > > Is this a USB2 vs USB3 thing? The box claims "Any ESATA or USB > 3.0/2.0 port". Different USB hardware? That shouldn't make any difference. > Below is the truncated (it goes on forever) log from plugging in two > disks. Anyone have any ideas what I should do: The system log doesn't contain enough information. A usbmon trace would be better. See the instructions in Documentation/usb/usbmon.txt. Alan Stern -- 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