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To: "Adrian Chadd" <adrian@freebsd.org>, "Hans Petter Selasky"
 <hps@selasky.org>
Cc: "freebsd-wireless@freebsd.org" <freebsd-wireless@freebsd.org>,
 "freebsd-usb@freebsd.org" <freebsd-usb@freebsd.org>
Subject: Re: Deadlock between device_detach() and usbd_do_request_flags()
References: <op.ynaawb2n4dikkl@localhost>
 <4cf378ff-63e1-7cdc-6120-9578fceec20d@selasky.org>
 <55cff8ce-6132-53ec-3419-d27286dce622@selasky.org>
 <67777201-e078-b519-566a-7a2a29363eee@selasky.org>
Date: Mon, 05 Sep 2016 13:21:08 +0300
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From: "Andriy Voskoboinyk" <avos@freebsd.org>
Message-ID: <op.ynba1ifg4dikkl@localhost>
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Mon, 05 Sep 2016 12:10:34 +0300 =D0=B1=D1=83=D0=BB=D0=BE =D0=BD=D0=B0=D0=
=BF=D0=B8=D1=81=D0=B0=D0=BD=D0=BE Hans Petter Selasky  =

<hps@selasky.org>:

Works fine, thanks!

P.S. Reliable test case:
1) ifconfig wlan1 create wlandev <dev>
2) wpa_supplicant -i wlan1 -c /etc/wpa_supplicant.conf &
    * wait for CTRL-EVENT-CONNECTED event
3) usbconfig -d <busnum>.<devaddr> power_off

> Hi,
>
> Can you test the attached patch? Does it solve your issue?
>
> --HPS