usb/179342: Freebsd 10.0-current USB 3.0 not working (xhci_do_comand: Command timeout!)

[Takanori Watanabe]

The following reply was made to PR usb/179342; it has been noted by GNATS.

From: Takanori Watanabe <takawata at init-main.com>
To: Hans Petter Selasky <hps at bitfrost.no>
Cc: bug-followup at FreeBSD.org, miguelmclara at gmail.com
Subject: Re: usb/179342: Freebsd 10.0-current USB 3.0 not working (xhci_do_comand: Command timeout!)
Date: Sat, 08 Jun 2013 01:49:55 +0900

 In message <51B1826A.3000301 at bitfrost.no>, Hans Petter Selasky wrote:
 >On 06/07/13 08:21, takawata at init-main.com wrote:
 >> Reverting the recent change on xhci.c fixes the problem for me.
 >>
 >> --- head/sys/dev/usb/controller/xhci.c  2013/04/23 06:26:54     249786
 >> +++ head/sys/dev/usb/controller/xhci.c  2013/06/02 12:28:29     251254
 >>
 >
 >Hi,
 >
 >If you look at the SVN log, there are only a few changes in the XHCI 
 >area. Could you identify exactly which change is the cause of the 
 >problem? I don't see that any of the changes between r1 and r2 should 
 >affect the XHCI device init function, where it is failing.
 >
 >http://svnweb.freebsd.org/base/head/sys/dev/usb/controller/xhci.c?view=log
 >
 >xhci_do_comand: Command timeout!
 >usb_alloc_device: device init 2 failed (USB_ERR_TIMEOUT, ignored)
 >usbgen0.2: <Unknown> at usbus0 (disconnected)
 >usb_reattach_port: could not allocate new device
 
 xhci.c 251251:251253 cause the problem for me.