From owner-svn-src-head@freebsd.org Thu Oct 29 21:48:49 2015 Return-Path: Delivered-To: svn-src-head@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 64CA5A20E4E for ; Thu, 29 Oct 2015 21:48:49 +0000 (UTC) (envelope-from oliver.pinter@hardenedbsd.org) Received: from mail-wi0-x236.google.com (mail-wi0-x236.google.com [IPv6:2a00:1450:400c:c05::236]) (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 115F21C0D for ; Thu, 29 Oct 2015 21:48:48 +0000 (UTC) (envelope-from oliver.pinter@hardenedbsd.org) Received: by wijp11 with SMTP id p11so298923369wij.0 for ; Thu, 29 Oct 2015 14:48:47 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=hardenedbsd_org.20150623.gappssmtp.com; s=20150623; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; bh=tybccvY5oNXc6dunYuc/HFK3thaXAv/GQnTyxHXOMCI=; b=v5pVtPB5bJlxuL06Gn4qxyXRkBkwS44Mg8H4EtTkrZ4d485DB2yMOVZcoUgNLcOiQV rlLK1W7vUlkV2BGOxZbYhT8coO0H63K0JF9GIinrPhWMsRS7wfEsRANx5UUjwt6xLadP XByLsWed2jbanvscmkPkqa3GjoYtUKzFeM9sP7x48aZCJiK8vDhjJxCGRQ+IYFS3eZEM cQ4pSOLS3JSoSocHx5QyfXkc08Aud9wNdGOD9rBYpGqDfJoIHF7ktgy8FBM1sQPqAV2f 9zTFf3WF8xDRMV1rUVP/i6GbNdV9aJkRTwsYBtE9c8Ln/ymdkKOjhEvaTLCVU22vVGiU dZtQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=tybccvY5oNXc6dunYuc/HFK3thaXAv/GQnTyxHXOMCI=; b=lP05wKPX83kLK8KJpDUIFv4h9c7nvCVbdkgD5L8WXq5rUbnDSOhldz2eLD3Xlbmvj+ oKSVhNaiAqrrFYQzuhpVMZ+8fQ15cNnE9n0ysFMA04w+z3KPmc0faW0mO7lFzF7aUBuB /zjNhi+3TKQ91XDZlswiapr1AsYZ3EIG8t9siJuZKhkGKgeVLIxTVBSDLTwtvHLkPeLY 7KbC1B3FW2YM0aKOfmgi6mKQrJz7mSZiS+9841mp+mndp48XwUosdqFUSBSRB3QqUq+y z8BAOyHLHUCT295ToRdwtb3o8nLB2T8lbEx0yq5bnbhn3DN8Crng5MULITwF5GldBUNI HhfQ== X-Gm-Message-State: ALoCoQllFUI788LKRn7ODcGvk6X7hkd6qh4Kdq57vGieFf3ubLroDXACg9/MxFwuMh6QHDdLm2Ad MIME-Version: 1.0 X-Received: by 10.194.115.230 with SMTP id jr6mr4653358wjb.143.1446155327430; Thu, 29 Oct 2015 14:48:47 -0700 (PDT) Received: by 10.194.240.226 with HTTP; Thu, 29 Oct 2015 14:48:47 -0700 (PDT) In-Reply-To: <5632447B.1020402@FreeBSD.org> References: <201510231539.t9NFdxPe018130@repo.freebsd.org> <562A564D.9080703@citrix.com> <562E1F8F.3010304@FreeBSD.org> <5632447B.1020402@FreeBSD.org> Date: Thu, 29 Oct 2015 22:48:47 +0100 Message-ID: Subject: Re: svn commit: r289834 - head/sys/x86/x86 From: Oliver Pinter To: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= Cc: Adrian Chadd , "svn-src-head@freebsd.org" , "svn-src-all@freebsd.org" , "src-committers@freebsd.org" Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.20 X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 29 Oct 2015 21:48:49 -0000 Yes, at next week I have time for the test. Please ping me again at Monday. On Thursday, October 29, 2015, Roger Pau Monn=C3=A9 wr= ote: > El 26/10/15 a les 15.24, Oliver Pinter ha escrit: > > On 10/26/15, Adrian Chadd > wrote= : > >> Hi, > >> > >> I'll take a photo of it when it breaks next. > >> > >> Would you mind reverting it for now until we can figure it out? > > > > btw, this was the two kernel panic what I got: > > > > Fatal trap 12: page fault while in kernel mode > > cpuid =3D 11; apic id =3D 03 > > fault virtual address =3D 0x30 > > fault code =3D supervisor read data, page not present > > instruction pointer =3D 0x20:0xffffffff808a2d22 > > stack pointer =3D 0x28:0xfffffe07cc75a6f0 > > frame pointer =3D 0x28:0xfffffe07cc75a770 > > code segment =3D base 0x0, limit 0xfffff, type 0x1b > > =3D DPL 0, pres 1, long 1, def32 0, gran 1 > > processor eflags =3D interrupt enabled, resume, IOPL =3D 0 > > current process =3D 5 (doneq0) > > trap number =3D 12 > > panic: page fault > > cpuid =3D 11 > > KDB: stack backtrace: > > #0 0xffffffff80641647 at kdb_backtrace+0x67 > > #1 0xffffffff80606762 at vpanic+0x182 > > #2 0xffffffff806067e3 at panic+0x43 > > #3 0xffffffff8084eef1 at trap_fatal+0x351 > > #4 0xffffffff8084f0e4 at trap_pfault+0x1e4 > > #5 0xffffffff8084e82f at trap+0x4bf > > #6 0xffffffff80830d57 at calltrap+0x8 > > #7 0xffffffff8063beab at _bus_dmamap_load_ccb+0x1fb > > #8 0xffffffff8063bc51 at bus_dmamap_load_ccb+0x91 > > #9 0xffffffff8042dcad at ata_dmaload+0x11d > > #10 0xffffffff8042df7e at ata_begin_transaction+0x7e > > #11 0xffffffff8042c18e at ataaction+0x9ce > > #12 0xffffffff802a220f at xpt_run_devq+0x5bf > > #13 0xffffffff802a17ad at xpt_action_default+0x94d > > #14 0xffffffff802c0024 at adastart+0x8b4 > > #15 0xffffffff802a2e93 at xpt_run_allocq+0x193 > > #16 0xffffffff802c0ea0 at adadone+0x280 > > #17 0xffffffff802a5310 at xpt_done_process+0x3a0 > > Uptime: 1m40s > > Hello, > > I've been able to reproduce this by tweaking blkfront dma tag, and the > issue was due to an off-by-one error. I've got an updated patch that > applies on top of current HEAD, would any of you two mind giving it a try= ? > > https://people.freebsd.org/~royger/bounce_load_ma.patch > > Thanks, Roger. > >