Hi Chris, We think the Baytrail BIOS has an issue where it doesn't set the EHCI PCI interrupt enable bit when the computer is in "EHCI only mode". Please try this patch: http://marc.info/?l=linux-usb&m=138998295909608&w=2 Sarah Sharp On Tue, Jan 21, 2014 at 10:04:41PM +0800, Chris Cheng wrote: > I'm sorry forgot kernel version: 3.13.0 . > -- > Chris Cheng 鄭宇廷 > Atrust Computer Corp. 冠信電腦股份有限公司 > http://www.atrustcorp.com > Tel: +886-3-3288837 ext.1074 > 3F., No.361, Fusing 1st Rd., Gueishan Township, Taoyuan County 333, Taiwan > 333 桃園縣龜山鄉復興一路361號3F > > > 2014/1/21 Chris Cheng <chris.cheng@xxxxxxxxxxxxxx>: > > Here is kernel message: > > > > [ 2.939251] usb 1-1: new high-speed USB device number 2 using ehci-pci > > [ 18.490987] usb 1-1: device not accepting address 2, error -110 > > [ 18.595095] usb 1-1: new high-speed USB device number 3 using ehci-pci > > [ 34.182233] usb 1-1: device not accepting address 3, error -110 > > [ 34.286352] usb 1-1: new high-speed USB device number 4 using ehci-pci > > [ 44.744589] usb 1-1: device not accepting address 4, error -110 > > [ 44.849590] usb 1-1: new high-speed USB device number 5 using ehci-pci > > [ 55.307858] usb 1-1: device not accepting address 5, error -110 > > [ 55.310239] hub 1-0:1.0: unable to enumerate USB device on port 1 > > > > Thanks. > -- > 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 -- 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
