From owner-freebsd-current@FreeBSD.ORG Sat Jan 17 23:02:27 2009 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1708B106566B for ; Sat, 17 Jan 2009 23:02:27 +0000 (UTC) (envelope-from onemda@gmail.com) Received: from mail-ew0-f18.google.com (mail-ew0-f18.google.com [209.85.219.18]) by mx1.freebsd.org (Postfix) with ESMTP id 6FA0E8FC08 for ; Sat, 17 Jan 2009 23:02:26 +0000 (UTC) (envelope-from onemda@gmail.com) Received: by ewy11 with SMTP id 11so97295ewy.19 for ; Sat, 17 Jan 2009 15:02:25 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:in-reply-to:references :date:message-id:subject:from:to:cc:content-type :content-transfer-encoding; bh=30fKGtpNpAg7HDwVRWjDYD6sx6R6FCLTby7K9IwnVOw=; b=e+ljWWoMazte35vL0DtNHPcd7jQi5srmJ+4tqmrT1S96dwEdK36NFvjMFgBYYlrBMC Bu8b39uZywkEfy/CDSh6vLLOKbtgOrhkqVtisp8BZuGgbfPlBq0aaioLC/tKJvJs6O4q UzBzQAcXdWYSRGmsfFq4V7yNGa7Ui5Zniyv5E= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:content-transfer-encoding; b=w5Clej5/2fcwa1BHtgmfFUYJktxvBi2OfVr9iIRfyq3UdCPeqioPvhH3vttmB1VA4n IoUNSjCuJraPqIL1rM4MFGgIDZT7p8XTlZNO/T1ScPeyzkw/O5NVIri3YaTe19fsJIA/ 8J+FBOifh0znHFdAlQMTEPUvSkpwqBj9/YysY= MIME-Version: 1.0 Received: by 10.210.62.3 with SMTP id k3mr3746981eba.81.1232233345091; Sat, 17 Jan 2009 15:02:25 -0800 (PST) In-Reply-To: References: <3a142e750901140435m58c067c5t5cb100518f882f23@mail.gmail.com> <3a142e750901140905j7fe74944wcf96969a79ccc017@mail.gmail.com> <3c1674c90901151848y7ea905f0l190d549f8b6c8609@mail.gmail.com> Date: Sun, 18 Jan 2009 00:02:24 +0100 Message-ID: <3a142e750901171502h74f6d9a5q130f79add54e48d8@mail.gmail.com> From: "Paul B. Mahol" To: Yuriy Tsibizov Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-current@freebsd.org Subject: Re: _rw_wlock_hard: recursing but non-recursive rw radix node head @ /usr/src/sys/net/route.c:831 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 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: Sat, 17 Jan 2009 23:02:28 -0000 On 1/16/09, Yuriy Tsibizov wrote: >> > On 1/14/09, Yuriy Tsibizov wrote: >> >> >> >>> On 1/14/09, Yuriy Tsibizov wrote: >> >>> > Kip, >> >>> > >> >>> > this happens on fresh -CURRENT, with configuration >> similar to one >> >>> > described in >> >>> > >> >>> http://docs.freebsd.org/cgi/mid.cgi?3a142e750812080658r645dc1c >> >>> 4sdd612585 >> >>> > fe9ad7d6 (wpa_supplicant is main suspect in triggering this >> >>> panic). No >> >>> > crashdump / backtrace available. >> >>> > >> >>> > Somehow needlock!=0, and rnh is already locked. >> >>> > >> >>> > HW is Intel Atom D945GCLF2 (2core + HT enabled) + D-Link >> >>> Atheros-based >> >>> > card with WPA and static ip. >> >> >> >>> And bt is completly the same as was mine? >> >> >> >> I don't have backtrace -- swap was tooo small. >> > >> I need a full backtrace in order to fix. > > I have a textdumps enabled now (with default script that calls bt), will > it be enough or full memory dump (for kgdb analysis) is a must? bt is necessarily for even starting to look at panic source when there is no known way how to reproduce panic itself. When textdump is enabled memory dumps are by default not created. Memory dumps are useful if you plan to debug big file yourself, and you already said that your dumb dev is too small for it. -- Paul