From owner-freebsd-fs@freebsd.org Sat Jul 23 01:03:44 2016 Return-Path: Delivered-To: freebsd-fs@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 35C08BA2BA9 for ; Sat, 23 Jul 2016 01:03:44 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: from mail-it0-x22c.google.com (mail-it0-x22c.google.com [IPv6:2607:f8b0:4001:c0b::22c]) (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 F1EBF19D8 for ; Sat, 23 Jul 2016 01:03:43 +0000 (UTC) (envelope-from sobomax@sippysoft.com) Received: by mail-it0-x22c.google.com with SMTP id f6so61315630ith.0 for ; Fri, 22 Jul 2016 18:03:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sippysoft-com.20150623.gappssmtp.com; s=20150623; h=mime-version:sender:in-reply-to:references:from:date:message-id :subject:to:cc; bh=gHIfp71dreQ0J6sLPircYs/tkFnLOo40wir5u7iKXI0=; b=pPI52BjGsXeuNc37hXEi7ViRnukFLBxLIOTyLOKUZKYCrTIlCVykxlCxwPh9bmLu5+ GzGc8pqngi5yUXes6Zi0MoK3IOZgh6qAlkGLu0OSW/bS4EMHglHYyCTiNclgr5DHmxlw 46FFxXdDfgxC/KeF6DI73Rg0YWfL+OAdS+lrNB2VueVt9msZ0KvsLvK3AWcCvYN2y3PF hix9QbtKqLxHHBhVoyn04FYbOHXWs/1ryefndR8vozjKlE35nL4aGttTp2ebbWcgJjeA rgFZQ/DpVsnmoP6d6i/NmySjS+KfjYyWhXwzl0e0N4K3Z2AU2I1z/csvCAYhs33i6vUY 44JQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:sender:in-reply-to:references:from :date:message-id:subject:to:cc; bh=gHIfp71dreQ0J6sLPircYs/tkFnLOo40wir5u7iKXI0=; b=AxtY7ZJxtgsA/kYdNw4/BhRhuNawsBKSnVns+tA0LA3KLNAk+3QziDmqc00k+txzxn 0kONYVkYh47e8mfKiNbQInHeVQTFNERq7XbZSJG+oknpD9XUIEDLcuVxCIDgmhDTjyEi wYtPl5ph4BBCbZ5riUahR6fgxTjeubuMCLqvU27jSFfqtCn9IAsgLb3ktyOM0xwp7h5v nD0Rt4aWy0gIfIM638T0jD/jCE8fyvOW0r8WX97qyOP6ytjnqxZYDfVUa/ZFJ1oALJZB RXDJLAv4ItheqGUmGt/JH36vs2MmGAF4MjhWf8xtVKqXdAQr7WJFnrydjreDV07DgIvj 7NkA== X-Gm-Message-State: ALyK8tKUFYfEgTAIxWikrpsU3jc7v2FjcAXTisvRaIKWW8lV7vvHAMyvh5o6L0FwzR7QGMkKPhP/Rarv8kO62Ljn X-Received: by 10.36.122.129 with SMTP id a123mr71852159itc.44.1469235823373; Fri, 22 Jul 2016 18:03:43 -0700 (PDT) MIME-Version: 1.0 Sender: sobomax@sippysoft.com Received: by 10.36.13.139 with HTTP; Fri, 22 Jul 2016 18:03:42 -0700 (PDT) In-Reply-To: References: From: Maxim Sobolev Date: Fri, 22 Jul 2016 18:03:42 -0700 X-Google-Sender-Auth: Pa5jGwNtQfmMVmV9Kj5ySsm-o7M Message-ID: Subject: Re: Two fresh LORs from the latest 11-stable To: Benjamin Kaduk Cc: FreeBSD Filesystems Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.22 X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.22 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 23 Jul 2016 01:03:44 -0000 It's a custom kernel, which is probably why we have it. By "fresh" I didn't mean "new", it's just something that I've noticed, sorry. Is there a list somewhere with most common ones by any chance? -Max On Fri, Jul 22, 2016 at 9:47 AM, Benjamin Kaduk wrote: > On the face of it, those don't seem to be new/fresh. > bufwait/dirhash and ufs/bufwait/ufs I have seen for a very long time and > are believed to be harmless. > > Though ... isn't WITNESS out of GENERIC on stable/11? > > -Ben > > On Thu, 21 Jul 2016, Maxim Sobolev wrote: > > > Seen those on our build box right after pulling latest update. > > > > lock order reversal: > > 1st 0xfffffe00f62564c0 bufwait (bufwait) @ > > /usr/home/sobomax/freebsd11.git/sys/kern/vfs_bio.c:3512 > > 2nd 0xfffff80003d33800 dirhash (dirhash) @ > > /usr/home/sobomax/freebsd11.git/sys/ufs/ufs/ufs_dirhash.c:281 > > stack backtrace: > > #0 0xffffffff80ab5fc0 at witness_debugger+0x70 > > #1 0xffffffff80ab5eb4 at witness_checkorder+0xe54 > > #2 0xffffffff80a5f1d2 at _sx_xlock+0x72 > > #3 0xffffffff80d1d8dd at ufsdirhash_add+0x3d > > #4 0xffffffff80d206aa at ufs_direnter+0x4da > > #5 0xffffffff80d28d09 at ufs_mkdir+0x8a9 > > #6 0xffffffff810235e0 at VOP_MKDIR_APV+0xe0 > > #7 0xffffffff80b23ef8 at kern_mkdirat+0x208 > > #8 0xffffffff80ec7b2b at amd64_syscall+0x2db > > #9 0xffffffff80ea767b at Xfast_syscall+0xfb > > > > lock order reversal: > > 1st 0xfffff80064d86d50 ufs (ufs) @ > > /usr/home/sobomax/freebsd11.git/sys/kern/vfs_subr.c:2523 > > 2nd 0xfffffe00f669fe00 bufwait (bufwait) @ > > /usr/home/sobomax/freebsd11.git/sys/ufs/ffs/ffs_vnops.c:263 > > 3rd 0xfffff800a5c4eb78 ufs (ufs) @ > > /usr/home/sobomax/freebsd11.git/sys/kern/vfs_subr.c:2523 > > stack backtrace: > > #0 0xffffffff80ab5fc0 at witness_debugger+0x70 > > #1 0xffffffff80ab5eb4 at witness_checkorder+0xe54 > > #2 0xffffffff80a2f052 at __lockmgr_args+0x4c2 > > #3 0xffffffff80d18546 at ffs_lock+0xa6 > > #4 0xffffffff81023fd0 at VOP_LOCK1_APV+0xe0 > > #5 0xffffffff80b26aaa at _vn_lock+0x9a > > #6 0xffffffff80b16ed4 at vget+0x64 > > #7 0xffffffff80b095cc at vfs_hash_get+0xcc > > #8 0xffffffff80d14250 at ffs_vgetf+0x40 > > #9 0xffffffff80d0b4a6 at softdep_sync_buf+0x496 > > #10 0xffffffff80d19136 at ffs_syncvnode+0x256 > > #11 0xffffffff80cefed3 at ffs_truncate+0x8d3 > > #12 0xffffffff80d20851 at ufs_direnter+0x681 > > #13 0xffffffff80d28d09 at ufs_mkdir+0x8a9 > > #14 0xffffffff810235e0 at VOP_MKDIR_APV+0xe0 > > #15 0xffffffff80b23ef8 at kern_mkdirat+0x208 > > #16 0xffffffff80ec7b2b at amd64_syscall+0x2db > > #17 0xffffffff80ea767b at Xfast_syscall+0xfb > > > > -Max > > _______________________________________________ > > freebsd-fs@freebsd.org mailing list > > https://lists.freebsd.org/mailman/listinfo/freebsd-fs > > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > > > >