From owner-freebsd-fs@FreeBSD.ORG Wed Oct 16 01:23:59 2013 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id 000FE894; Wed, 16 Oct 2013 01:23:58 +0000 (UTC) (envelope-from jdavidlists@gmail.com) Received: from mail-ie0-x236.google.com (mail-ie0-x236.google.com [IPv6:2607:f8b0:4001:c03::236]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id BBFF12536; Wed, 16 Oct 2013 01:23:58 +0000 (UTC) Received: by mail-ie0-f182.google.com with SMTP id as1so119775iec.13 for ; Tue, 15 Oct 2013 18:23:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type; bh=JltTIRrtAkC2EOkPkscEpzyyu7VRF6+WDRNDT9YbiUw=; b=Bsxihad/F6CHujYUZ+q3YOrUnnLsqmYjYf/OHK5ZcHheRtoMXHzR79LZbKtYF9zufk hR8/2lNlK+SH40PEqwDhV4BZcbnNoUYtThfHrlN6mWKCN8xBFgPhV92jZXjrPiZxax/q jEYfCzZtMD/s0t8cStOjakgJD78ivO2Oeiylumg5b3hMQaqUHKCkiNwzG74DFT0Rml4a rEwpxzMUyPX5b/a42c5xBvcsOn55LPolbvjFSI6v0AOhkYP5EcUCmobXs2bZW4fv4otD tqle+5dUq5u0yursg4THxOlR+M/GdM0/Be+YLbZHK2dfvZU2iV2HQaxqdYEj49a4MKXr FWNw== MIME-Version: 1.0 X-Received: by 10.50.73.135 with SMTP id l7mr98292igv.60.1381886638234; Tue, 15 Oct 2013 18:23:58 -0700 (PDT) Sender: jdavidlists@gmail.com Received: by 10.43.180.131 with HTTP; Tue, 15 Oct 2013 18:23:58 -0700 (PDT) In-Reply-To: <525D7784.5000808@rice.edu> References: <20131015164537.GH3865@kib.kiev.ua> <525D7784.5000808@rice.edu> Date: Tue, 15 Oct 2013 21:23:58 -0400 X-Google-Sender-Auth: kWZiMw_7qlLaMsc2KNnuU65hi9I Message-ID: Subject: Re: 9.2 + ZFS + i386 = panic: pmap_enter: attempted pmap_enter on 4MB page From: J David To: Alan Cox Content-Type: text/plain; charset=ISO-8859-1 Cc: "freebsd-fs@freebsd.org" , alc@freebsd.org X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 16 Oct 2013 01:23:59 -0000 With a kernel updated with debugging code and r253949, it panics during boot: fifo_open: 0x894212d0 is not exclusive locked but should be KDB: enter: lock violation -[ thread pid 963 tid 100353 ] Stopped at kdb_enter+0x3d: movl $0,kdb_why db> where Tracing pid 963 tid 100353 td 0x883aa5e0 kdb_enter(8112e312,8112e4ee,894212d0,8112e24d,812746d4,...) at kdb_enter+0x3d/frame 0xbf656980 assert_vop_elocked(894212d0,811069b9,df,1,0,...) at assert_vop_elocked+0xbe/frame 0xbf6569b0 fifo_open(bf656ae8,8117a85a,8114f47a,81423bac,bf656a74,...) at fifo_open+0x36/frame 0xbf656a10 VOP_OPEN_APV(818a3f30,bf656ae8,100,10000,10000,...) at VOP_OPEN_APV+0xca/frame 0xbf656a40 vn_open_cred(bf656b60,bf656bec,c08,0,879ae180,8832d428) at vn_open_cred+0x5a5/frame 0xbf656b18 vn_open(bf656b60,bf656bec,c08,8832d428,0,...) at vn_open+0x3b/frame 0xbf656b38 kern_openat(883aa5e0,ffffff9c,804a7b2,0,4,7fbfde08) at kern_openat+0x1cb/frame 0xbf656c20 sys_open(883aa5e0,bf656cc8,811748f4,81126582,1,...) at sys_open+0x38/frame 0xbf656c40 syscall(bf656d08) at syscall+0x2da/frame 0xbf656cfc Xint0x80_syscall() at Xint0x80_syscall+0x21/frame 0xbf656cfc --- syscall (5, FreeBSD ELF32, sys_open), eip = 0x2815e29b, esp = 0x7fbfdd6c, ebp = 0x7fbfdd78 --- If possible, I'll see about booting it in single user mode and disabling as much junk as possible that might be touching FIFO's, as it's unlike that problem is related to the ZFS issue.