From owner-freebsd-arm@freebsd.org Wed Aug 19 23:34:27 2015 Return-Path: Delivered-To: freebsd-arm@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 5E98F9BDC6B for ; Wed, 19 Aug 2015 23:34:27 +0000 (UTC) (envelope-from amdmi3@amdmi3.ru) Received: from vps.amdmi3.ru (vps.amdmi3.ru [109.234.38.216]) by mx1.freebsd.org (Postfix) with ESMTP id 1C7421B41; Wed, 19 Aug 2015 23:34:26 +0000 (UTC) (envelope-from amdmi3@amdmi3.ru) Received: from hive.panopticon (unknown [78.153.152.119]) by vps.amdmi3.ru (Postfix) with ESMTPS id EBA5BB059C; Thu, 20 Aug 2015 02:34:23 +0300 (MSK) Received: from hades.panopticon (hades.panopticon [192.168.0.32]) by hive.panopticon (Postfix) with ESMTP id 0E481B91; Thu, 20 Aug 2015 02:31:48 +0300 (MSK) Received: by hades.panopticon (Postfix, from userid 1000) id 90A5442052; Thu, 20 Aug 2015 02:28:36 +0300 (MSK) Date: Thu, 20 Aug 2015 02:28:36 +0300 From: Dmitry Marakasov To: Svatopluk Kraus Cc: Adrian Chadd , "freebsd-arm@FreeBSD.org" , Ian Lepore Subject: Re: Instability likely related to new pmap on Cubieboard A10 Message-ID: <20150819232836.GA1245@hades.panopticon> References: <20150819002103.GC79354@hades.panopticon> <1439944961.242.150.camel@freebsd.org> <20150819013834.GD79354@hades.panopticon> <20150819120753.GH79354@hades.panopticon> <20150819134708.GJ79354@hades.panopticon> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: "Porting FreeBSD to ARM processors." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 19 Aug 2015 23:34:27 -0000 * Svatopluk Kraus (onwahe@gmail.com) wrote: > >> Great! I'm hunting this kind of panic for long time, but it never was > >> so stable. Can you send me "show pmap addr" output from kdb after > >> panic - pmap address is in panic message. > > > > https://people.freebsd.org/~amdmi3/pmap.log > > > > Can you apply debug patch I'm attaching, enable KTR in your config > with KTR_PMAP mask at least, and send me output of the following > commands after panic : > > show ktr > show pmap > > Output from ktr should be scrolled until a line like > "pmap_remove_page - pmap xxx" will be in there. https://people.freebsd.org/~amdmi3/pmap1.log show ktr output is quite big, I've only scrolled through a part of it. -- Dmitry Marakasov . 55B5 0596 FF1E 8D84 5F56 9510 D35A 80DD F9D2 F77D amdmi3@amdmi3.ru ..: jabber: amdmi3@jabber.ru http://amdmi3.ru