From owner-freebsd-current@FreeBSD.ORG Mon Jul 13 00:29:06 2009 Return-Path: Delivered-To: current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 20A25106564A for ; Mon, 13 Jul 2009 00:29:06 +0000 (UTC) (envelope-from alan.l.cox@gmail.com) Received: from mail-gx0-f217.google.com (mail-gx0-f217.google.com [209.85.217.217]) by mx1.freebsd.org (Postfix) with ESMTP id CC0B58FC1B for ; Mon, 13 Jul 2009 00:29:05 +0000 (UTC) (envelope-from alan.l.cox@gmail.com) Received: by gxk17 with SMTP id 17so2670192gxk.19 for ; Sun, 12 Jul 2009 17:29:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:reply-to:in-reply-to :references:date:message-id:subject:from:to:content-type; bh=wbWHF9hUdCOllERX2H2eo+1b8exwuTau29BduyfoV70=; b=sqfq7kDg9nqi5Dxy12kKlPJ3EIucU7j2ZEtNnPJz0fDEBE8ms+omo21Iat6UYgmZiV gj4BL/qc93Fm02wGiVzaQavYNe+Q0r0qhtdY8tc6ok3ojBvIwFhD5SIcRSXNwYzUGg7+ 5JnvBwfwoQUzz8VM/PBpXM5Ot+2kgn1+6E43U= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:date:message-id :subject:from:to:content-type; b=CWVT27J79GgbLGzaW2BLxOfEf9ZBk62dQiG6qbhQ2joYHo35CC1f3NhmHOPnGxsxJa DQrxzOmGFyEUGguO2TEdFpl6PEL8vQWRrSlVSCS0xiWm9RHCrwjD0+a1amOPM0G17MjA o0uEev0ejWe8VhCoxQPFRHd8aJkt4J8Pc5p6s= MIME-Version: 1.0 Received: by 10.151.106.4 with SMTP id i4mr7064698ybm.3.1247443124471; Sun, 12 Jul 2009 16:58:44 -0700 (PDT) In-Reply-To: <20090712203105.GJ2145@acme.spoerlein.net> References: <20090712203105.GJ2145@acme.spoerlein.net> Date: Sun, 12 Jul 2009 18:58:44 -0500 Message-ID: From: Alan Cox To: current@freebsd.org, uqs@spoerlein.net Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: Subject: Re: panic: vm_page_free_toq: freeing mapped page X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: alc@freebsd.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 13 Jul 2009 00:29:06 -0000 On Sun, Jul 12, 2009 at 3:31 PM, Ulrich Sp=F6rlein wrot= e: > Hi, > > 8.0 BETA1 @ r195622 will panic reliably when running the clang static > analyzer on a buildworld with something like the following panic: > > panic: vm_page_free_toq: freeing mapped page 0xffffff00c9715b30 > cpuid =3D 1 > KDB: stack backtrace: > db_trace_self_wrapper() at db_trace_self_wrapper+0x2a > panic() at panic+0x182 > vm_page_free_toq() at vm_page_free_toq+0x1f6 > vm_object_terminate() at vm_object_terminate+0xb7 > vm_object_deallocate() at vm_object_deallocate+0x17a > _vm_map_unlock() at _vm_map_unlock+0x70 > vm_map_remove() at vm_map_remove+0x6f > vmspace_free() at vmspace_free+0x56 > vmspace_exec() at vmspace_exec+0x56 > exec_new_vmspace() at exec_new_vmspace+0x133 > exec_elf32_imgact() at exec_elf32_imgact+0x2ee > kern_execve() at kern_execve+0x3b2 > execve() at execve+0x3d > syscall() at syscall+0x1af > Xfast_syscall() at Xfast_syscall+0xe1 > --- syscall (59, FreeBSD ELF64, execve), rip =3D 0x800c20d0c, rsp =3D > 0x7fffffffd6f8, rbp =3D 0x7fffffffdbf0 --- > KDB: enter: panic > exclusive sleep mutex vm page queue mutex (vm page queue mutex) r =3D 0 > (0xffffffff8095ea60) locked @ /data/freebsd-head/sys/vm/vm_object.c:688 > exclusive sleep mutex vm object (standard object) r =3D 0 > (0xffffff0046453798) locked @ /data/freebsd-head/sys/vm/vm_object.c:450 > exclusive sleep mutex vm page queue mutex (vm page queue mutex) r =3D 0 > (0xffffffff8095ea60) locked @ /data/freebsd-head/sys/vm/vm_object.c:688 > exclusive sleep mutex vm object (standard object) r =3D 0 > (0xffffff0046453798) locked @ /data/freebsd-head/sys/vm/vm_object.c:450 > exclusive sleep mutex pmap (pmap) r =3D 0 (0xffffff003c8b02b8) locked @ > /data/freebsd-head/sys/amd64/amd64/pmap.c:3955 > shared sx user map (user map) r =3D 0 (0xffffff003c8b0200) locked @ > /data/freebsd-head/sys/vm/vm_map.c:3522 > exclusive sx so_rcv_sx (so_rcv_sx) r =3D 0 (0xffffff0004698e40) locked @ > /data/freebsd-head/sys/kern/uipc_sockbuf.c:148 > > Can you please elaborate on the kernel configuration that you are using? Alan