From owner-freebsd-stable@freebsd.org Fri May 5 06:03:53 2017 Return-Path: Delivered-To: freebsd-stable@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 2368FD5D477 for ; Fri, 5 May 2017 06:03:53 +0000 (UTC) (envelope-from asmodai@in-nomine.org) Received: from smtpq6.tb.mail.iss.as9143.net (smtpq6.tb.mail.iss.as9143.net [212.54.42.169]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D763132C for ; Fri, 5 May 2017 06:03:52 +0000 (UTC) (envelope-from asmodai@in-nomine.org) Received: from [212.54.42.117] (helo=lsmtp3.tb.mail.iss.as9143.net) by smtpq6.tb.mail.iss.as9143.net with esmtp (Exim 4.86_2) (envelope-from ) id 1d6WL9-0003Hn-U3 for freebsd-stable@FreeBSD.org; Fri, 05 May 2017 08:03:43 +0200 Received: from f65250.upc-f.chello.nl ([80.56.65.250] helo=nexus.in-nomine.org) by lsmtp3.tb.mail.iss.as9143.net with esmtp (Exim 4.86_2) (envelope-from ) id 1d6WL9-0000L6-Rh for freebsd-stable@FreeBSD.org; Fri, 05 May 2017 08:03:43 +0200 Received: from nexus.domini.in-nomine.org (localhost [127.0.0.1]) by nexus.in-nomine.org (Postfix) with ESMTP id 82622E726D for ; Fri, 5 May 2017 08:03:43 +0200 (CEST) X-Virus-Scanned: amavisd-new at in-nomine.org Received: from nexus.in-nomine.org ([127.0.0.1]) by nexus.domini.in-nomine.org (nexus.domini.in-nomine.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id HsOS9V46xO0u for ; Fri, 5 May 2017 08:03:40 +0200 (CEST) Received: by nexus.in-nomine.org (Postfix, from userid 1000) id 8E082E726B; Fri, 5 May 2017 08:03:40 +0200 (CEST) Date: Fri, 5 May 2017 08:03:40 +0200 From: Jeroen Ruigrok van der Werven To: freebsd-stable@FreeBSD.org Subject: 11-STABLE: vm_radix_remove: invalid key found panic Message-ID: <20170505060340.GB4975@nexus.in-nomine.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit Organisation: In Nomine User-Agent: Mutt/1.8.2 (2017-04-18) X-SourceIP: 80.56.65.250 X-Ziggo-spambar: / X-Ziggo-spamscore: 0.0 X-Ziggo-spamreport: CMAE Analysis: v=2.2 cv=SoLg0LG0 c=1 sm=1 tr=0 a=uYckZ3MqabZapTekVh/itw==:17 a=IkcTkHD0fZMA:10 a=tJ8p9aeEuA8A:10 a=6I5d2MoRAAAA:8 a=KFxsFCGQAAAA:8 a=vE9nTFuV5aS3Wc8qoUkA:9 a=QEXdDO2ut3YA:10 a=IjZwj45LgO3ly-622nXo:22 a=6tCdMxT-lwBHHNnwEv14:22 none X-Ziggo-Spam-Status: No X-Spam-Status: No X-Spam-Flag: No X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 05 May 2017 06:03:53 -0000 So I logged https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=219070 about a panic occurring with vm_radix_remove: invalid key found panic I need some help debugging this, because it has been ages since I did any decent kernel debugging. Especially with regard to the values that are optimized out as well as this subsystem, I am not entirely sure what to focus on first. I would imagine I want to go from frame 13 and check all the data structures for sanity. -- Jeroen Ruigrok van der Werven / asmodai イェルーン ラウフロック ヴァン デル ウェルヴェン http://www.in-nomine.org/ | GPG: 2EAC625B I realise that nothing's as it seems...