From owner-svn-src-head@freebsd.org Sun Nov 13 07:16:55 2016 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 08D08C3FA41; Sun, 13 Nov 2016 07:16:55 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-it0-x22d.google.com (mail-it0-x22d.google.com [IPv6:2607:f8b0:4001:c0b::22d]) (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 C58BCA2A; Sun, 13 Nov 2016 07:16:54 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-it0-x22d.google.com with SMTP id q124so46129614itd.1; Sat, 12 Nov 2016 23:16:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:in-reply-to:references:from:date:message-id:subject:to :cc; bh=TPq8IXaoDJM+iHbykObJzBAnYWwTj7qvjk1erWUBpzk=; b=FJApDe3GPV3fjZ2Kb01ILf0N9BP8ljv7WijHVNrQJrYX3ftn7fOh+t/CSetNrnFawf TrifCyn2BRdRhPgplP0uHWK2T0FBDvGCqRKfpJbRbwdOomgXMvdpmWzJNsqaLxMwJW4A Xm7Cb8IlwB7bvOpXF+pxU+PKZLcqzibAaBAvUkfb4Maw77wNNa76kbKTtp5z4P6KvaDJ XDrOpdT8/2JM7blAQXBG60u9d9imLFxfBgynj5DyJ/KUELA2z1Xj6VLdNNeSsjkV35Kn qAfbDlyrOe5A1vcHE0nOKhIZhh51JtAAiAOa9beAYldmevCvhJ5nSys5jmCg3fakf+2q fNHg== 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:from:date :message-id:subject:to:cc; bh=TPq8IXaoDJM+iHbykObJzBAnYWwTj7qvjk1erWUBpzk=; b=gRTRBvKd6wTgnN6/isthTBBMtf4+czRSFZTMF0JZ2XvYREZeliCOa20YOO72lOEnyO 5WAitVAejAkhM00NQbYLG0dQDG8o5Q9nJBThnpbHQ4b+TTWkGjPONUfQ3Bz78FcnL5yM BrbqIjJkubl9XPti85juUfYgAnZDav1Wo2ke6ItwnP5MA999n31eHp8SZX3mwhIlhcg4 /1xyiTxVDErPvetgC3dDSFnmx93kI6qHoL7QjslBwquCofOiKGpiW9X29GTmQYi18hwK ByWVdX0s0R/O9Okfz8QuGSl/ytxNc2h6IHAwXim+Ye3ds/yHNaSg0PWWp46LotrwqkLc UkYg== X-Gm-Message-State: ABUngveiFxCtPS7rpgoJALYN3gBF4zdVVOy+fLaWJRi3tVb8Uz7RjmAnNvKUqfs5DSHZnLQEWQ2pYZ0cMdwrzQ== X-Received: by 10.107.136.86 with SMTP id k83mr18258314iod.99.1479021414266; Sat, 12 Nov 2016 23:16:54 -0800 (PST) MIME-Version: 1.0 Received: by 10.36.39.134 with HTTP; Sat, 12 Nov 2016 23:16:53 -0800 (PST) In-Reply-To: <20161113071605.GE54029@kib.kiev.ua> References: <201610191109.u9JB9TTC002727@repo.freebsd.org> <20161113065851.GD54029@kib.kiev.ua> <20161113071605.GE54029@kib.kiev.ua> From: Adrian Chadd Date: Sat, 12 Nov 2016 23:16:53 -0800 Message-ID: Subject: Re: svn commit: r307626 - head/sys/ufs/ffs To: Konstantin Belousov Cc: "freebsd-mips@freebsd.org" , "src-committers@freebsd.org" , "svn-src-all@freebsd.org" , "svn-src-head@freebsd.org" Content-Type: text/plain; charset=UTF-8 X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 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: Sun, 13 Nov 2016 07:16:55 -0000 On 12 November 2016 at 23:16, Konstantin Belousov wrote: > On Sat, Nov 12, 2016 at 11:10:43PM -0800, Adrian Chadd wrote: >> That disappeared from the file in a later commit? > From which commit did it disappeared ? > > The tunable is present since sys/kern/vfs_bio.c r308026. I did not removed > it, and did not see any commit removing the code by somebody else. I'll go look tomorrow. I could've sworn I only saw one sysctl in there in -head when i did my last bisect (up to head.) If it's there I'll go try it out. -adrian > >> >> >> >> -a >> >> >> On 12 November 2016 at 22:58, Konstantin Belousov wrote: >> > On Sat, Nov 12, 2016 at 03:19:13PM -0800, Adrian Chadd wrote: >> >> hi! >> >> >> >> This broke freebsd on mips24k. >> >> >> >> BAD_PAGE_FAULT: pid 1 tid 100001 (init), uid 0: pc 0x4002a4 got a read >> >> fault (type 0x2) at 0 >> >> Trapframe Register Dump: >> >> zero: 0 at: 0 v0: 0 v1: 0 >> >> a0: 0x7fffeecc a1: 0 a2: 0 a3: 0 >> >> t0: 0 t1: 0 t2: 0 t3: 0 >> >> t4: 0 t5: 0 t6: 0 t7: 0 >> >> t8: 0 t9: 0x400260 s0: 0x10 s1: 0x2 >> >> s2: 0x7fffeed0 s3: 0 s4: 0 s5: 0 >> >> s6: 0 s7: 0 k0: 0 k1: 0 >> >> gp: 0x4d55d0 sp: 0x7ffeee90 s8: 0 ra: 0 >> >> sr: 0xfc13 mullo: 0 mulhi: 0 badvaddr: 0 >> >> cause: 0x8 pc: 0x4002a4 >> >> Page table info for pc address 0x4002a4: pde = 0x809be000, pte = 0xa001acda >> >> Dumping 4 words starting at pc address 0x4002a4: >> >> 8c420000 14400003 00908021 8f828024 >> >> Page table info for bad address 0: pde = 0, pte = 0 >> > MIPS24k has split I/D caches, and both are VIPT, am I right ? >> > I was not able to find the handling of cache aliasing in mips/pmap.c. >> > >> > Still, I am curious whether setting the loader tunable vfs.buf_pager_relbuf >> > to 1 change anything. >> > >> >> >> >> .. and yes, I've spent three days bisecting everything to get to this >> >> particular commit.