From owner-svn-src-head@freebsd.org Sun Nov 13 07:10:44 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 A7864C3F6CC; Sun, 13 Nov 2016 07:10:44 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: from mail-it0-x236.google.com (mail-it0-x236.google.com [IPv6:2607:f8b0:4001:c0b::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 8123C1DE3; Sun, 13 Nov 2016 07:10:44 +0000 (UTC) (envelope-from adrian.chadd@gmail.com) Received: by mail-it0-x236.google.com with SMTP id c20so24451292itb.0; Sat, 12 Nov 2016 23:10:44 -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=e8XXx5i3xTFbb8svbnL6u4XSlfEDmpzN4mQb6amV1o8=; b=Ix8N7OYV81f/jwe57I0PIwf/a1+WhS89U9E98IPwfEIeubT0pue77Uk+hM1md97rF7 Wzby8PjQIXLDQyW7P91cUV03CQULaCPs9cYcl6+zfazrUUgQsi2JbOLBjqO9nEnLERIn oa5oUCd+PH06vFqidJ7J+Wcr3nsT7bjjPT/GvrfOsVTpd7EaW1YJrxb0W++/DV56TX+Z 3Pj3Kqb+1IZIveClnziR3KRF5LOHI2RCd6v8ENeUysFq93xM7ri1y7DUQd/uDirVwUgH CiOPQI6GIAdF2Gjsz1xQGZ4wnHK/FlZYKttR7BJLjiaYc2FjGKOalGmHh/OX12rE9DGo kNyg== 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=e8XXx5i3xTFbb8svbnL6u4XSlfEDmpzN4mQb6amV1o8=; b=eVurqIvyTGUIAuusQeS4xsx+PfDbYDM1MTMVtn8CYYtvh+iCGReGOrcjsTd2wu0Ng7 +h8naOEldrg+LaDZw1cKlQy3Ujo2dBPP1e+al/qBY2XENURP/gbZ3nwEv1B5HGkfI0f5 mp6DIo7jbrfXlNCWuw2YlszrdAbqCen7vRfelghXoJ8tP275c/FpiDuY68SF3we6YdsU DyK9QB0QTpXWGZ3Tg2t77IUtagnnhCfGLU3Psyuz/UOR+iOzRvUCiziEq93ynkDVq2rB e+lX2GQvjrs31eF9z/uDhxtd+LW6PXHxI6ALPjCll6zLV/8PySLhIoJHs00BXZemN7ML 569w== X-Gm-Message-State: ABUngve2D4p0MgQ09bTWxJhHgELLYGCOuZC43TUHnTfcueqTyOafpoVFN/gSvQvjVinqFu+L8Lfl+ToF5QzNPg== X-Received: by 10.36.65.216 with SMTP id b85mr2693568itd.39.1479021043864; Sat, 12 Nov 2016 23:10:43 -0800 (PST) MIME-Version: 1.0 Received: by 10.36.39.134 with HTTP; Sat, 12 Nov 2016 23:10:43 -0800 (PST) In-Reply-To: <20161113065851.GD54029@kib.kiev.ua> References: <201610191109.u9JB9TTC002727@repo.freebsd.org> <20161113065851.GD54029@kib.kiev.ua> From: Adrian Chadd Date: Sat, 12 Nov 2016 23:10:43 -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 07:10:44 -0000 That disappeared from the file in a later commit? -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.