The following reply was made to PR usb/181159; it has been noted by GNATS.

From: Antonis Anastasiadis <>
To: Hans Petter Selasky <>
Subject: Re: usb/181159: Problem attaching USB device
Date: Sat, 10 Aug 2013 13:31:32 +0300

 Thank you for your quick response.
 =D3=F4=E9=F2 9 =C1=F5=E3 2013, 11:25 =EC.=EC., =EF/=E7 Hans Petter =
 Selasky <> =DD=E3=F1=E1=F8=E5:
 > Hi,
 > There are some debug parameters under:
 > sysctl hw.usb.timings
 I've got no idea how to tune those.
 > Which might affect the behavior of your device. Make sure you have the =
 XHCI patch for 9.2-RC1 which was in a big late, if you compiled the code =
 The source was ~2 days old. I just updated and recompiled the kernel =
 today. The issue persists.
 > Could you show the dmesg about which USB controller is at usbus0 in =
 the non-working case?
 usbus0 on xhci0
 usbus0: 5.0Gbps Super Speed USB v3.0
 The m/b is an MSI MS-7816 with the Intel=AE Z87 Express Chipset.=
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