From owner-freebsd-arm@freebsd.org Thu Aug 20 19:34:55 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 E043B9BF970 for ; Thu, 20 Aug 2015 19:34:55 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: from mail-ig0-x232.google.com (mail-ig0-x232.google.com [IPv6:2607:f8b0:4001:c05::232]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id A836A956; Thu, 20 Aug 2015 19:34:55 +0000 (UTC) (envelope-from onwahe@gmail.com) Received: by igbjg10 with SMTP id jg10so136457582igb.0; Thu, 20 Aug 2015 12:34:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=kuGhl6vWawB/5ZPoFnSMYGqRWt4x6uf8+/hBznwyD+0=; b=w2wz3gW8by6/zEKg1rD0873Ps3yQc3XU5p3ePfGEsI28k0b+8Mzn/k7DlbWe/zDvWV i/+gqSXSCXJRs48B2MENZ3AvyDOpVYufcdRrBa91g1v/xaLCWi3ySCpADLSZrP5mdgsQ 80+Y+Z5ffuHib64axoGF8LNZk2NKynoNr+HzbydS9uwNeMDeuCDbEcmM23KDQiBUywsJ u68yT5EmYIhZvIv4y+DHEL+X2GxvmraJb2GSEKQgkSSlzDWmNkXCH66EAx40KpVXRuk6 l1z2y97Ywgr+WTSm9BcZu7QoZPBX8G43A1e8e8YE6Ob8XeQf8DYBg9VcO8WLxXPS6Y5h dbXQ== MIME-Version: 1.0 X-Received: by 10.50.59.211 with SMTP id b19mr33846076igr.42.1440099294575; Thu, 20 Aug 2015 12:34:54 -0700 (PDT) Received: by 10.64.239.196 with HTTP; Thu, 20 Aug 2015 12:34:54 -0700 (PDT) In-Reply-To: <20150820185417.GB1245@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> <20150819232836.GA1245@hades.panopticon> <20150820185417.GB1245@hades.panopticon> Date: Thu, 20 Aug 2015 21:34:54 +0200 Message-ID: Subject: Re: Instability likely related to new pmap on Cubieboard A10 From: Svatopluk Kraus To: Dmitry Marakasov Cc: Adrian Chadd , "freebsd-arm@FreeBSD.org" , Ian Lepore Content-Type: text/plain; charset=UTF-8 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: Thu, 20 Aug 2015 19:34:56 -0000 On Thu, Aug 20, 2015 at 8:54 PM, Dmitry Marakasov wrote: > * Svatopluk Kraus (onwahe@gmail.com) wrote: > >> I have not noticed until now that you are running Cortex A8. We have >> an open issue on BBB which is A8 too. Can you try to disable promotion >> - i.e. edit the following line in pmap-v6-new.c: >> >> static int sp_enabled = 1; >> >> and set the variable to zero. > > It doesn't help: > > https://people.freebsd.org/~amdmi3/pmap2.log > >> If it helps, set it again to 1 and try attached patch, please. >> >> If neither the first nor the seconf attemp will work, can you send me >> output like before but from another panic. I would like to see >> diference. > > Just for the case, with patch and sp_enabled back to 1: > > https://people.freebsd.org/~amdmi3/pmap3.log > Thanks. Meantime, I tried most recent HEAD on pandaboard and beaglebone black and no problem there. Do you have enabled INVARIANTS and INVARIANT_SUPPORT in your config? If not, can you try it with them? Svata