From owner-freebsd-current@freebsd.org Sun Sep 13 05:51:20 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 CA582A01462 for ; Sun, 13 Sep 2015 05:51:20 +0000 (UTC) (envelope-from melifaro@ipfw.ru) Received: from forward20p.cmail.yandex.net (forward20p.cmail.yandex.net [IPv6:2a02:6b8:0:1465::a9]) (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 800C91AE9; Sun, 13 Sep 2015 05:51:20 +0000 (UTC) (envelope-from melifaro@ipfw.ru) Received: from web28g.yandex.ru (web28g.yandex.ru [IPv6:2a02:6b8:0:1402::38]) by forward20p.cmail.yandex.net (Yandex) with ESMTP id 97035219D0; Sun, 13 Sep 2015 08:51:16 +0300 (MSK) Received: from 127.0.0.1 (localhost [127.0.0.1]) by web28g.yandex.ru (Yandex) with ESMTP id C7FD97A1417; Sun, 13 Sep 2015 08:51:15 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ipfw.ru; s=mail; t=1442123476; bh=wixhAUq2YHAc1BGwOKoLvokRHLg6hp5nF15FxMSXwSk=; h=From:To:Cc:In-Reply-To:References:Subject:Date; b=eDo2yQv9DqtwMy+0u1e/ceDquDG72Yhkmbg99vr/d6ZK2MdlhAdQ5y/SAqGTx7FdP Jv4lmgMzecLyqji7Hk0eaNimAdNrVcnZDGFtLBm/RKQgdIHodTYQuzEex8gcdyp2dL iuY81Zb+QNlKTrZl6gSrGcr0Poc9eWDoa2A2a43s= Received: by web28g.yandex.ru with HTTP; Sun, 13 Sep 2015 08:51:14 +0300 From: Alexander V. Chernikov To: hiren panchasara Cc: Hans Petter Selasky , "freebsd-current@FreeBSD.org" , "jch@FreeBSD.org" In-Reply-To: <20150912173041.GT64965@strugglingcoder.info> References: <20150910192351.GF64965@strugglingcoder.info> <55F27D68.6080501@selasky.org> <20150911232154.GS64965@strugglingcoder.info> <1405441442061150@web27j.yandex.ru> <20150912173041.GT64965@strugglingcoder.info> Subject: Re: Panic on kldload/kldunload in/near callout MIME-Version: 1.0 Message-Id: <3497621442123474@web28g.yandex.ru> X-Mailer: Yamail [ http://yandex.ru ] 5.0 Date: Sun, 13 Sep 2015 08:51:14 +0300 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=koi8-r 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, 13 Sep 2015 05:51:20 -0000 12.09.2015, 20:30, "hiren panchasara" : > On 09/12/15 at 03:32P, Alexander V. Chernikov wrote: >> š12.09.2015, 02:22, "hiren panchasara" : >> š> On 09/11/15 at 09:06P, Hans Petter Selasky wrote: > > [skip] >> š> I'll try to get it. Meanwhile I am getting another panic on idle box: >> š> http://pastebin.com/9qJTFMik >> šThe easiest explanation could be lack of lla_create() result check, fixed in r286945. >> šThis panic is triggered by fast interface down-up (or just up), when ARP packet is received but there are no (matching) IPv4 prefix on the interface. >> šIf this is not the case (e.g. it paniced w/o any interface changes and there were no other subnets in given L2 segment) I'd be happy to debug this further. > > Just hit another last night. (Box goes to db> ; let me know if you want > to debug anything when that happens.) Would you mind showing full backtrace for that core? (e.g. situation has to be different for newer -current). > I am sure there were no interface changes on the box and it was sitting > idle. (Unsure of the other subnets part.) And I am on 3 days old -head > so I already have r286945. I disabled IPv6 on the box just to eliminate > that but panic still happens. > > Cheers, > Hiren