From owner-freebsd-current@freebsd.org Sun Nov 22 21:47:04 2015 Return-Path: Delivered-To: freebsd-current@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id C6BCFA34409 for ; Sun, 22 Nov 2015 21:47:04 +0000 (UTC) (envelope-from bsam@passap.ru) Received: from forward13h.cmail.yandex.net (forward13h.cmail.yandex.net [IPv6:2a02:6b8:0:f35::9e]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "forwards.mail.yandex.net", Issuer "Certum Level IV CA" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 808C310A6 for ; Sun, 22 Nov 2015 21:47:03 +0000 (UTC) (envelope-from bsam@passap.ru) Received: from smtp1h.mail.yandex.net (smtp1h.mail.yandex.net [IPv6:2a02:6b8:0:f05::115]) by forward13h.cmail.yandex.net (Yandex) with ESMTP id 9AFAC20CBA; Mon, 23 Nov 2015 00:46:51 +0300 (MSK) Received: from smtp1h.mail.yandex.net (localhost [127.0.0.1]) by smtp1h.mail.yandex.net (Yandex) with ESMTP id 7E6C01340B03; Mon, 23 Nov 2015 00:46:50 +0300 (MSK) Received: by smtp1h.mail.yandex.net (nwsmtp/Yandex) with ESMTPSA id e5PvUrtFTm-kn3W0k46; Mon, 23 Nov 2015 00:46:49 +0300 (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client certificate not present) X-Yandex-ForeignMX: US Subject: Re: Panic while waiting on wlan0 To: Sergey Manucharian , freebsd-current References: <564AF74A.2090700@snakeoilproductions.net> <5651B5B6.1010701@snakeoilproductions.net> <20151122195446.GA16398@dendrobates.araler.com> Cc: Adrian Chadd , Florian Limberger From: Boris Samorodov X-Enigmail-Draft-Status: N1110 Message-ID: <565237C9.10904@passap.ru> Date: Mon, 23 Nov 2015 00:46:49 +0300 User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:38.0) Gecko/20100101 Thunderbird/38.3.0 MIME-Version: 1.0 In-Reply-To: <20151122195446.GA16398@dendrobates.araler.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 22 Nov 2015 21:47:04 -0000 22.11.15 22:54, Sergey Manucharian пишет: >> On 22 November 2015 at 04:31, Florian Limberger >> wrote: >>> On 17.11.15 17:42, Adrian Chadd wrote: >>>> >>>> try updating to head as of today. Some callout issues were fixed. >>> >>> The crashes are fixed alright, thank you. I still have a rather difficult >>> to reproduce issue, where the wpa_supplicant hangs in SCANNING state >>> indefinitely, even if the Notebook is very near to the AP. I’ve had this >>> issue occasionally before, but since the crashes started it has become more >>> frequent. Is there anything I can do to debug the behaviour? Until now I >>> have only observed it in wpa_supplicant and have no idea how I might >>> proceed. >>> >> Excerpts from Adrian Chadd's message from Sun 22-Nov-15 08:52: >> >> Do this: >> >> * compile in IEEE80211_DEBUG; >> * do "wlandebug +scan" >> >> That way we can see if net80211 is refusing to continue scanning. > > I have a similar well-reproducable crash on my ThinkPad with "iwn" > driver and "iwn6000fw" when I try to restart wlan: > > # service netif restart > > Otherwise it works fine, no problem at all. After upgrade from FreeBSD-amd64-HEAD-r290730 to r291148 I've got a panic with wlan0 (iwm though): ftp://ftp.wart.ru/pub/misc/panic-iwn-1.jpg ftp://ftp.wart.ru/pub/misc/panic-iwn-2.jpg % kldstat | grep iwm 12 1 0xffffffff822c5000 21a18 if_iwm.ko 13 1 0xffffffff822e7000 ab9e0 iwm7265fw.ko -- WBR, bsam