From owner-freebsd-current@FreeBSD.ORG Fri Dec 16 21:05:24 2005 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 678DB16A41F for ; Fri, 16 Dec 2005 21:05:24 +0000 (GMT) (envelope-from mistry.7@osu.edu) Received: from mail.united-ware.com (am-productions.biz [69.61.164.22]) by mx1.FreeBSD.org (Postfix) with ESMTP id 08A6D43D5A for ; Fri, 16 Dec 2005 21:05:18 +0000 (GMT) (envelope-from mistry.7@osu.edu) Received: from [192.168.1.100] (am-productions.biz [69.61.164.22]) (authenticated bits=0) by mail.united-ware.com (8.13.4/8.13.4) with ESMTP id jBGL8Nga032519 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NO) for ; Fri, 16 Dec 2005 16:08:29 -0500 (EST) (envelope-from mistry.7@osu.edu) From: Anish Mistry Date: Fri, 16 Dec 2005 16:07:02 -0500 User-Agent: KMail/1.8.3 MIME-Version: 1.0 To: freebsd-current@freebsd.org Content-Type: multipart/signed; boundary="nextPart2979708.qt17fU5D22"; protocol="application/pgp-signature"; micalg=pgp-sha1 Content-Transfer-Encoding: 7bit Message-Id: <200512161607.24657.mistry.7@osu.edu> X-Spam-Status: No, score=-4.8 required=5.0 tests=ALL_TRUSTED,BAYES_50, MYFREEBSD2 autolearn=failed version=3.1.0 X-Spam-Checker-Version: SpamAssassin 3.1.0 (2005-09-13) on mail.united-ware.com X-Virus-Scanned: ClamAV 0.87/1210/Thu Dec 15 10:23:22 2005 on mail.united-ware.com X-Virus-Status: Clean Subject: LOR #155 X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Dec 2005 21:05:24 -0000 --nextPart2979708.qt17fU5D22 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: quoted-printable Content-Disposition: inline I got LOR #155 *I think* when unload acpi_video while testing some of=20 jhb's patches. acpi_video0: detached lock order reversal: (sleepable after non-sleepable) 1st 0xc104e8c8 mt_zone (UMA zone) @ /usr/src/sys/vm/uma_core.c:2452 2nd 0xc2424d34 user map (user map) @ /usr/src/sys/vm/vm_map.c:2993 KDB: stack backtrace: witness_checkorder(c2424d34,9,c062abe6,bb1,cc9dbaac) at=20 witness_checkorder+0x5aa _sx_xlock(c2424d34,c062abe6,bb1,1000001,cc9dbaac) at _sx_xlock+0x3c vm_map_lookup(cc9dbaac,0,1,cc9dbab0,cc9dbaa0,cc9dbaa4,cc9dba87,cc9dba88)=20 at vm_map_lookup+0x24 vm_fault(c2424cf0,0,1,0,c25ed1a0) at vm_fault+0x63 trap_pfault(15) at trap_pfault+0x12c trap(8,28,28,0,c104e8c0) at trap+0x37a calltrap() at calltrap+0x5 =2D-- trap 0xc, eip =3D 0xc05a8ec8, esp =3D 0xcc9dbc08, ebp =3D 0xcc9dbc1c = =2D-- uma_zfree_internal(0,1,3) at uma_zfree_internal+0xb8 malloc_uninit(c078f020,c078ee1c,0,cc9dbc70,c04aebc2) at=20 malloc_uninit+0xb3 linker_file_unload(c2049b00,0,0,c25ed1a0,c25ebadc) at=20 linker_file_unload+0x2f8 kern_kldunload(0,cc9dbd04,2,0,3) at kern_kldunload+0x68 syscall(3b,3b,3b,5,bfbfe9de) at syscall+0x166 Xint0x80_syscall() at Xint0x80_syscall+0x1f =2D-- syscall (444, FreeBSD ELF32, kldunloadf), eip =3D 0x280ab48b, esp =3D= =20 0xbfbfe464, ebp =3D 0xbfbfe8a8 --- KDB: enter: witness_checkorder [thread pid 717 tid 100061 ] Stopped at kdb_enter+0x2c: leal 0(%esi),%esi db> bt Tracing pid 717 tid 100061 td 0xc25ed1a0 kdb_enter(c05ff2df,9,c062abe6,bb1,cc9dbaac) at kdb_enter+0x2c _sx_xlock(c2424d34,c062abe6,bb1,1000001,cc9dbaac) at _sx_xlock+0x3c vm_map_lookup(cc9dbaac,0,1,cc9dbab0,cc9dbaa0,cc9dbaa4,cc9dba87,cc9dba88)=20 at vm_map_lookup+0x24 vm_fault(c2424cf0,0,1,0,c25ed1a0) at vm_fault+0x63 trap_pfault(15) at trap_pfault+0x12c trap(8,28,28,0,c104e8c0) at trap+0x37a calltrap() at calltrap+0x5 =2D-- trap 0xc, eip =3D 0xc05a8ec8, esp =3D 0xcc9dbc08, ebp =3D 0xcc9dbc1c = =2D-- uma_zfree_internal(0,1,3) at uma_zfree_internal+0xb8 malloc_uninit(c078f020,c078ee1c,0,cc9dbc70,c04aebc2) at=20 malloc_uninit+0xb3 linker_file_unload(c2049b00,0,0,c25ed1a0,c25ebadc) at=20 linker_file_unload+0x2f8 kern_kldunload(0,cc9dbd04,2,0,3) at kern_kldunload+0x68 syscall(3b,3b,3b,5,bfbfe9de) at syscall+0x166 Xint0x80_syscall() at Xint0x80_syscall+0x1f =2D-- syscall (444, FreeBSD ELF32, kldunloadf), eip =3D 0x280ab48b, esp =3D= =20 0xbfbfe464, ebp =3D 0xbfbfe8a8 --- db>=20 =2D-=20 Anish Mistry --nextPart2979708.qt17fU5D22 Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQBDoyyMxqA5ziudZT0RAu3YAKDd3WLJjbgu6dHqctCRWFCK7H+0egCcDLSK qzEo/Klk/YGGkLuWtZZ1OCE= =mZ33 -----END PGP SIGNATURE----- --nextPart2979708.qt17fU5D22--