Date: Tue, 11 Jun 2013 20:04:35 -0700
From: Greg KH <gregkh@linuxfoundation.org>
To: Norman Diamond <n0diamond@yahoo.co.jp>
Cc: linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org
Subject: Re: USB 3.0 failure and possible regression in kernel 3.8.0
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On Wed, Jun 12, 2013 at 10:25:32AM +0900, Norman Diamond wrote:
> Kernels somewhere around 2.6.35 could handle USB 3.0 at random sometimes,
> but kernel 3.8.0 fails consistently.  I know I should try to bisect this,
> but I don't have time and the randomness of the older kernel doesn't help.
> 
> lspci:
> 0d:00.0 USB controller [0c03]: NEC Corporation uPD720200 USB 3.0 Host Controller
>  [1033:0194] (rev 04)
>          Kernel driver in use: xhci_hcd
> 
> lsusb:
> Bus 007 Device 002: ID 152d:0539 JMicron Technology Corp. / JMicron USA Technology Corp.
> 
> dmesg:
> [  458.857081] usb 6-1: new high-speed USB device number 2 using xhci_hcd
> [  463.857085] xhci_hcd 0000:0d:00.0: Timeout while waiting for address device command
> [  464.728073] xhci_hcd 0000:0d:00.0: Stopped the command ring failed, maybe the host is dead
> [  464.728073] xhci_hcd 0000:0d:00.0: Host not halted after 16000 microseconds.
> [  464.728073] xhci_hcd 0000:0d:00.0: Abort command ring failed
> [  479.976010] [sched_delayed] sched: RT throttling activated
> [  479.987230] xhci_hcd 0000:0d:00.0: HC died; cleaning up

Can you try a newer kernel (hint, 3.8.0 is old and obsolete)?  3.10-rc5
would be great, but I'll settle for 3.9.5 if you can try that.

thanks,

greg k-h
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