From owner-freebsd-bugs@FreeBSD.ORG Sun Sep 25 10:00:39 2005 Return-Path: X-Original-To: freebsd-bugs@hub.freebsd.org Delivered-To: freebsd-bugs@hub.freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 0661416A421 for ; Sun, 25 Sep 2005 10:00:38 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [216.136.204.21]) by mx1.FreeBSD.org (Postfix) with ESMTP id 1B83443D4C for ; Sun, 25 Sep 2005 10:00:37 +0000 (GMT) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1]) by freefall.freebsd.org (8.13.3/8.13.3) with ESMTP id j8PA0bac034837 for ; Sun, 25 Sep 2005 10:00:37 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.13.3/8.13.1/Submit) id j8PA0bxQ034836; Sun, 25 Sep 2005 10:00:37 GMT (envelope-from gnats) Resent-Date: Sun, 25 Sep 2005 10:00:37 GMT Resent-Message-Id: <200509251000.j8PA0bxQ034836@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, "mitrohin a.s." 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To: FreeBSD-gnats-submit@FreeBSD.org X-Send-Pr-Version: 3.113 Cc: Subject: kern/86550: kernel (w/ UFS_EXTATTR* and UFS_ACL) paniced by mount X-BeenThere: freebsd-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: "mitrohin a.s." List-Id: Bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 25 Sep 2005 10:00:39 -0000 >Number: 86550 >Category: kern >Synopsis: kernel (w/ UFS_EXTATTR* and UFS_ACL) paniced by mount >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Sun Sep 25 10:00:34 GMT 2005 >Closed-Date: >Last-Modified: >Originator: mitrohin a.s. >Release: FreeBSD 6.0-BETA5 i386 >Organization: Barnaul State Pedagogical University >Environment: System: FreeBSD swp.bspu.secna.ru 6.0-BETA5 FreeBSD 6.0-BETA5 #0: Thu Sep 22 17:15:06 NOVST 2005 root@:/usr/src/sys/i386/compile/ch_smpkernel_big i386 >Description: my freebsd paniced by mount /home. i have mtree generated file from this partition mounted read-only. if recreate hierarhy to new (created from scratch) partition and umount it, then i get panic on next mount. i remove this options from kernel config and have no panic now. option UFS_EXTATTR option UFS_EXTATTR_AUTOSTART option UFS_ACL /home/swp > tunefs -p /dev/ad3s2g tunefs: ACLs: (-a) disabled tunefs: MAC multilabel: (-l) disabled tunefs: soft updates: (-n) enabled tunefs: maximum blocks per file in a cylinder group: (-e) 2048 tunefs: average file size: (-f) 16384 tunefs: average number of files in a directory: (-s) 64 tunefs: minimum percentage of free space: (-m) 8% tunefs: optimization preference: (-o) time tunefs: volume label: (-L) dmesg: Copyright (c) 1992-2005 The FreeBSD Project. Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994 The Regents of the University of California. All rights reserved. FreeBSD 6.0-BETA5 #0: Sun Sep 25 13:55:49 NOVST 2005 swp@swp.bspu.secna.ru:/usr/src/sys/i386/compile/ch_smpkernelpanic_big Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel(R) Pentium(R) 4 CPU 2.80GHz (2793.01-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf33 Stepping = 3 Features=0xbfebfbff Features2=0x41d Hyperthreading: 2 logical CPUs real memory = 534970368 (510 MB) avail memory = 514215936 (490 MB) ACPI APIC Table: FreeBSD/SMP: Multiprocessor System Detected: 2 CPUs cpu0 (BSP): APIC ID: 0 cpu1 (AP): APIC ID: 1 ioapic0 irqs 0-23 on motherboard npx0: [FAST] npx0: on motherboard npx0: INT 16 interface acpi0: on motherboard acpi0: Power Button (fixed) pci_link0: irq 11 on acpi0 pci_link1: irq 3 on acpi0 pci_link2: irq 9 on acpi0 pci_link3: irq 5 on acpi0 pci_link4: irq 0 on acpi0 pci_link5: irq 0 on acpi0 pci_link6: irq 0 on acpi0 pci_link7: irq 10 on acpi0 Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0 cpu0: on acpi0 acpi_throttle0: on cpu0 cpu1: on acpi0 acpi_throttle1: on cpu1 acpi_throttle1: failed to attach P_CNT device_attach: acpi_throttle1 attach returned 6 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 agp0: mem 0xf0000000-0xf3ffffff at device 0.0 on pci0 pcib1: at device 1.0 on pci0 pci1: on pcib1 pci1: at device 0.0 (no driver attached) pci1: at device 0.1 (no driver attached) pcib2: at device 3.0 on pci0 pci2: on pcib2 em0: port 0xbc00-0xbc1f mem 0xff600000-0xff61ffff irq 18 at device 1.0 on pci2 em0: Ethernet address: 00:0c:f1:d0:34:5e em0: Speed:N/A Duplex:N/A uhci0: port 0xe000-0xe01f irq 16 at device 29.0 on pci0 uhci0: [GIANT-LOCKED] usb0: on uhci0 usb0: USB revision 1.0 uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered uhci1: port 0xe400-0xe41f irq 19 at device 29.1 on pci0 uhci1: [GIANT-LOCKED] usb1: on uhci1 usb1: USB revision 1.0 uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub1: 2 ports with 2 removable, self powered uhci2: port 0xe800-0xe81f irq 18 at device 29.2 on pci0 uhci2: [GIANT-LOCKED] usb2: on uhci2 usb2: USB revision 1.0 uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub2: 2 ports with 2 removable, self powered uhci3: port 0xec00-0xec1f irq 16 at device 29.3 on pci0 uhci3: [GIANT-LOCKED] usb3: on uhci3 usb3: USB revision 1.0 uhub3: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub3: 2 ports with 2 removable, self powered ehci0: mem 0xffa00000-0xffa003ff irq 23 at device 29.7 on pci0 ehci0: [GIANT-LOCKED] usb4: EHCI version 1.0 usb4: companion controllers, 2 ports each: usb0 usb1 usb2 usb3 usb4: on ehci0 usb4: USB revision 2.0 uhub4: Intel EHCI root hub, class 9/0, rev 2.00/1.00, addr 1 uhub4: 8 ports with 8 removable, self powered pcib3: at device 30.0 on pci0 pci3: on pcib3 fxp0: port 0xcc00-0xcc3f mem 0xff900000-0xff900fff,0xff700000-0xff7fffff irq 17 at device 2.0 on pci3 miibus0: on fxp0 inphy0: on miibus0 inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto fxp0: Ethernet address: 00:03:47:05:6f:5b fwohci0: mem 0xff901000-0xff901fff irq 17 at device 7.0 on pci3 fwohci0: OHCI version 1.0 (ROM=0) fwohci0: No. of Isochronous channels is 8. fwohci0: EUI64 00:0c:f1:00:00:d0:34:5e fwohci0: Phy 1394a available S400, 3 ports. fwohci0: Link S400, max_rec 2048 bytes. firewire0: on fwohci0 fwohci0: Initiate bus reset fwohci0: node_id=0xc800ffc0, gen=1, CYCLEMASTER mode firewire0: 1 nodes, maxhop <= 0, cable IRM = 0 (me) firewire0: bus manager 0 (me) isab0: at device 31.0 on pci0 isa0: on isab0 atapci0: port 0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0xffa0-0xffaf at device 31.1 on pci0 ata0: on atapci0 ata1: on atapci0 pci0: at device 31.3 (no driver attached) pcm0: mem 0xffa00400-0xffa005ff,0xffa00800-0xffa008ff irq 17 at device 31.5 on pci0 pcm0: [GIANT-LOCKED] pcm0: acpi_button0: on acpi0 atkbdc0: port 0x60,0x64 irq 1 on acpi0 atkbd0: irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] psm0: irq 12 on atkbdc0 psm0: [GIANT-LOCKED] psm0: model Generic PS/2 mouse, device ID 0 speaker0: port 0x61 on acpi0 fdc0: port 0x3f0-0x3f1,0x3f2-0x3f3,0x3f4-0x3f5,0x3f7 irq 6 drq 2 on acpi0 fdc0: [FAST] fd0: <1440-KB 3.5" drive> on fdc0 drive 0 pmtimer0 on isa0 orm0: at iomem 0xc0000-0xccfff,0xcd000-0xce7ff,0xce800-0xcf7ff on isa0 sc0: at flags 0x100 on isa0 sc0: VGA <10 virtual consoles, flags=0x300> vga0: at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 fb0 at vga0 Timecounters tick every 1.000 msec Fast IPsec: Initialized Security Association Processing. ad0: 76319MB at ata0-master UDMA100 acd0: CDRW at ata1-master UDMA33 ad3: DMA limited to UDMA33, controller found non-ATA66 cable ad3: 78533MB at ata1-slave UDMA33 SMP: AP CPU #1 Launched! Trying to mount root from ufs:/dev/ad0s1a WARNING: /var was not properly dismounted WARNING: /usr was not properly dismounted WARNING: /home was not properly dismounted WARNING: attempt to net_add_domain(netgraph) after domainfinalize() WARNING: /home was not properly dismounted /1: bad dir ino 2 at offset 16384: mangled entry panic: ufs_dirbad: bad dir cpuid = 0 KDB: stack backtrace: kdb_backtrace(c06b4ce4,0,c06ae37e,d985272c,5) at 0xc05070e2 = kdb_backtrace+0x2f panic(c06ae37e,c1c58a00,2,4000,c06ae338) at 0xc04e9841 = panic+0x128 ufs_dirbad(c2614ad4,4000,c06ae338,0,d98527a0) at 0xc05e6ecc = ufs_dirbad+0x4e ufs_lookup(d9852874,c253e400,400,d9852860,0) at 0xc05e6665 = ufs_lookup+0x3a5 ufs_extattr_lookup(c25ebaa0,2,c06ae154,d98528b4,c23a9900) at 0xc05e4870 = ufs_extattr_lookup+0x118 ufs_extattr_autostart(c1c58800,c23a9900,c25ae800,c1ea8500,c1ea8500) at 0xc05e4cd3 = ufs_extattr_autostart+0x74 ffs_mountfs(c25ebbb0,c1c58800,c23a9900,55053081,47a0fa5b) at 0xc05db4f2 = ffs_mountfs+0x955 ffs_mount(c1c58800,c23a9900,c1d4d620,c23a9900,d9852aa0) at 0xc05da244 = ffs_mount+0xb94 vfs_domount(c23a9900,c1d4d310,c1d4d620,0,c1d4d5e0) at 0xc054732c = vfs_domount+0x712 vfs_donmount(c23a9900,0,d9852bec,c1d8ee80,e) at 0xc0546997 = vfs_donmount+0x12e kernel_mount(c1d4d190,0,d9852c30,6c,bfbfed86) at 0xc05496d4 = kernel_mount+0x46 ffs_cmount(c1d4d190,bfbfdfc0,0,c23a9900,0) at 0xc05da311 = ffs_cmount+0x85 mount(c23a9900,d9852d04,10,c23a9900,804c000) at 0xc0546c0b = mount+0x218 syscall(3b,3b,3b,bfbfdfbc,bfbfea54) at 0xc06504f5 = syscall+0x349 Xint0x80_syscall() at 0xc063b6ef = Xint0x80_syscall+0x1f --- syscall (21, FreeBSD ELF32, mount), eip = 0x280c6adf, esp = 0xbfbfdf9c, ebp = 0xbfbfe048 --- KDB: enter: panic panic: from debugger cpuid = 0 Uptime: 34m3s Dumping 509 MB (2 chunks) chunk 0: 1MB (159 pages) ... ok chunk 1: 510MB (130352 pages) 494 478 462 446 430 414 398 382 366 350 334 318 302 286 270 254 238 222 206 190 174 158 142 126 110 94 78 62 46 30 14 ... ok Dump complete kernel config: ident ch_smpkernelpanic_big maxusers 128 options PQ_CACHESIZE=1024 options INCLUDE_CONFIG_FILE # Include this file in kernel options SCHED_4BSD options SMP # Symmetric MultiProcessor Kernel options NO_ADAPTIVE_MUTEXES options PREEMPTION options COMPAT_43 options KDB options KDB_TRACE options DDB options DDB_NUMSYM options GDB options KTRACE #kernel tracing options INET #Internet communications protocols options IPSEC_FILTERGIF #filter ipsec packets from a tunnel options FAST_IPSEC #new IPsec (cannot define w/ IPSEC) device ether #Generic Ethernet device loop #Network loopback device device bpf #Berkeley packet filter options MROUTING # Multicast routing options PIM # Protocol Independent Multicast options TCP_SIGNATURE #include support for RFC 2385 options ZERO_COPY_SOCKETS options FFS #Fast filesystem options SOFTUPDATES options UFS_EXTATTR options UFS_EXTATTR_AUTOSTART options UFS_ACL options UFS_DIRHASH options QUOTA #enable disk quotas device random device mem options _KPOSIX_PRIORITY_SCHEDULING options P1003_1B_SEMAPHORES options HZ=1000 options PPS_SYNC device pty #Pseudo ttys options TTYHOG=16386 device atkbdc device atkbd options KBD_INSTALL_CDEV # install a CDEV entry in /dev device psm device vga device splash # Splash screen and screen saver support device sc options MAXCONS=10 # number of virtual consoles options SC_HISTORY_SIZE=1024 # number of history buffer lines options SC_MOUSE_CHAR=0x3 # char code for text mode mouse cursor options SC_TWOBUTTON_MOUSE device ata device atadisk # ATA disk drives device atapicd # ATAPI CDROM drives options ATA_STATIC_ID device fdc device uart device miibus device fxp # Intel EtherExpress PRO/100B (82557, 82558) device em options PPC_PROBE_CHIPSET # Enable chipset specific detection device uhci device ehci device usb device firewire # FireWire bus code device crypto # core crypto support options PANIC_REBOOT_WAIT_TIME=64 options DIRECTIO machine i386 device apic # I/O apic options IPI_PREEMPTION cpu I686_CPU # aka Pentium Pro(tm) options CPU_FASTER_5X86_FPU options NO_F00F_HACK device isa # Required by npx(4) options AUTO_EOI_1 device pci device agp device npx device pmtimer # Adjust system timer at wakeup time options FB_INSTALL_CDEV # install a CDEV entry in /dev device io i386/compile/ch_smpkernelpanic_big > kgdb kernel.debug /var/crash/vmcore.0 [GDB will not be able to debug user-mode threads: /usr/lib/libthread_db.so: Undefined symbol "ps_pglobal_lookup"] GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-marcel-freebsd". Unread portion of the kernel message buffer: #0 doadump () at pcpu.h:165 165 __asm __volatile("movl %%fs:0,%0" : "=r" (td)); (kgdb) bt #0 doadump () at pcpu.h:165 #1 0xc04e9525 in boot (howto=260) at ../../../kern/kern_shutdown.c:399 #2 0xc04e9900 in panic (fmt=0xc0694ea5 "from debugger") at ../../../kern/kern_shutdown.c:555 #3 0xc0433af3 in db_panic (addr=-1068469911, have_addr=0, count=-1, modif=0xd985255c "") at ../../../ddb/db_command.c:435 #4 0xc0433a6c in db_command (last_cmdp=0xc06e8b24, cmd_table=0x0, aux_cmd_tablep=0xc06b8890, aux_cmd_tablep_end=0xc06b8894) at ../../../ddb/db_command.c:349 #5 0xc0433b5d in db_command_loop () at ../../../ddb/db_command.c:455 #6 0xc0435a2d in db_trap (type=3, code=0) at ../../../ddb/db_main.c:221 #7 0xc0507418 in kdb_trap (type=0, code=0, tf=0xd98526ac) at ../../../kern/subr_kdb.c:473 #8 0xc064fae2 in trap (frame= {tf_fs = 8, tf_es = 40, tf_ds = -645595096, tf_edi = 256, tf_esi = 1, tf_ebp = -645585164, tf_isp = -645585192, tf_ebx = -645585108, tf_edx = 1, tf_ecx = -1056755712, tf_eax = 18, tf_trapno = 3, tf_err = 0, tf_eip = -1068469911, tf_cs = 32, tf_eflags = 524946, tf_esp = -1066785498, tf_ss = -1066791738}) at ../../../i386/i386/trap.c:601 #9 0xc063b69a in calltrap () at ../../../i386/i386/exception.s:139 #10 0xc0507169 in kdb_enter (msg=0x12
) at cpufunc.h:60 #11 0xc04e9857 in panic (fmt=0xc06ae37e "ufs_dirbad: bad dir") at ../../../kern/kern_shutdown.c:539 #12 0xc05e6ecc in ufs_dirbad (ip=0x1, offset=18, how=0x12
) at ../../../ufs/ufs/ufs_lookup.c:598 #13 0xc05e6665 in ufs_lookup (ap=0xd9852874) at ../../../ufs/ufs/ufs_lookup.c:286 #14 0xc05e4870 in ufs_extattr_lookup (start_dvp=0xc25ebaa0, lockparent=2, dirname=0x12
, vp=0x12, td=0xc23a9900) at ../../../ufs/ufs/ufs_extattr.c:273 #15 0xc05e4cd3 in ufs_extattr_autostart (mp=0xc1c58800, td=0xc23a9900) at ../../../ufs/ufs/ufs_extattr.c:462 #16 0xc05db4f2 in ffs_mountfs (devvp=0xc25ebbb0, mp=0xc1c58800, td=0xc23a9900) at ../../../ufs/ffs/ffs_vfsops.c:781 #17 0xc05da244 in ffs_mount (mp=0xc1c58800, td=0xc23a9900) at ../../../ufs/ffs/ffs_vfsops.c:357 #18 0xc054732c in vfs_domount (td=0xc23a9900, fstype=0xc06d9d40 " \001f\031ufs", fspath=0xc1d4d620 "/1", fsflags=0, fsdata=0xc1d4d5e0) at ../../../kern/vfs_mount.c:739 #19 0xc0546997 in vfs_donmount (td=0x12, fsflags=18, fsoptions=0x12) at ../../../kern/vfs_mount.c:503 #20 0xc05496d4 in kernel_mount (ma=0xc1d4d190, flags=18) at pcpu.h:162 #21 0xc05da311 in ffs_cmount (ma=0xc1d4d190, data=0xc1033000, flags=18, td=0xc23a9900) at ../../../ufs/ffs/ffs_vfsops.c:384 #22 0xc0546c0b in mount (td=0xc23a9900, uap=0xd9852d04) at ../../../kern/vfs_mount.c:566 #23 0xc06504f5 in syscall (frame= {tf_fs = 59, tf_es = 59, tf_ds = 59, tf_edi = -1077944388, tf_esi = -1077941676, tf_ebp = -1077944248, tf_isp = -645583516, tf_ebx = -1077944208, tf_edx = -1, tf_ecx = -1077940858, tf_eax = 21, tf_trapno = 12, tf_err = 2, tf_eip = 671902431, tf_cs = 51, tf_eflags = 582, tf_esp = -1077944420, tf_ss = 59}) at ../../../i386/i386/trap.c:986 #24 0xc063b6ef in Xint0x80_syscall () at ../../../i386/i386/exception.s:200 #25 0x00000033 in ?? () Previous frame inner to this frame (corrupt stack?) (kgdb) up 12 #12 0xc05e6ecc in ufs_dirbad (ip=0x1, offset=18, how=0x12
) at ../../../ufs/ufs/ufs_lookup.c:598 598 panic("ufs_dirbad: bad dir"); (kgdb) list 593 594 mp = ITOV(ip)->v_mount; 595 (void)printf("%s: bad dir ino %lu at offset %ld: %s\n", 596 mp->mnt_stat.f_mntonname, (u_long)ip->i_number, (long)offset, how); 597 if ((mp->mnt_flag & MNT_RDONLY) == 0) 598 panic("ufs_dirbad: bad dir"); 599 } 600 601 /* 602 * Do consistency checking on a directory entry: (kgdb) up #13 0xc05e6665 in ufs_lookup (ap=0xd9852874) at ../../../ufs/ufs/ufs_lookup.c:286 286 ufs_dirbad(dp, dp->i_offset, "mangled entry"); (kgdb) list 281 if (ep->d_reclen == 0 || ep->d_reclen > 282 DIRBLKSIZ - (entryoffsetinblock & (DIRBLKSIZ - 1)) || 283 (dirchk && ufs_dirbadentry(vdp, ep, entryoffsetinblock))) { 284 int i; 285 286 ufs_dirbad(dp, dp->i_offset, "mangled entry"); 287 i = DIRBLKSIZ - (entryoffsetinblock & (DIRBLKSIZ - 1)); 288 dp->i_offset += i; 289 entryoffsetinblock += i; 290 continue; (kgdb) p ep $1 = (struct direct *) 0xce574000 (kgdb) p *ep $2 = {d_ino = 0, d_reclen = 0, d_type = 0 '\0', d_namlen = 0 '\0', d_name = '\0' } (kgdb) l 270 265 * If still looking for a slot, and at a DIRBLKSIZE 266 * boundary, have to start looking for free space again. 267 */ 268 if (slotstatus == NONE && 269 (entryoffsetinblock & (DIRBLKSIZ - 1)) == 0) { 270 slotoffset = -1; 271 slotfreespace = 0; 272 } 273 /* 274 * Get pointer to next entry. (kgdb) l 275 * Full validation checks are slow, so we only check 276 * enough to insure forward progress through the 277 * directory. Complete checks can be run by patching 278 * "dirchk" to be true. 279 */ 280 ep = (struct direct *)((char *)bp->b_data + entryoffsetinblock); 281 if (ep->d_reclen == 0 || ep->d_reclen > 282 DIRBLKSIZ - (entryoffsetinblock & (DIRBLKSIZ - 1)) || 283 (dirchk && ufs_dirbadentry(vdp, ep, entryoffsetinblock))) { 284 int i; (kgdb) p bp $3 = (struct buf *) 0xcbea19c8 (kgdb) p *bp $4 = {b_bufobj = 0xc25ebb60, b_bcount = 16384, b_caller1 = 0x0, b_data = 0xce570000 "\002", b_error = 0, b_iocmd = 1 '\001', b_ioflags = 2 '\002', b_iooffset = 6373376, b_resid = 0, b_iodone = 0, b_blkno = 12448, b_offset = 0, b_bobufs = {tqe_next = 0x0, tqe_prev = 0xc25ebb64}, b_left = 0x0, b_right = 0x0, b_vflags = 0, b_freelist = {tqe_next = 0x0, tqe_prev = 0xcbea3644}, b_qindex = 1, b_flags = 2147483680, b_xflags = 2 '\002', b_lock = { lk_interlock = 0xc06ee14c, lk_flags = 262144, lk_sharecount = 0, lk_waitcount = 0, lk_exclusivecount = 1, lk_prio = 80, lk_wmesg = 0xc06a44d3 "getblk", lk_timo = 0, lk_lockholder = 0xc23a9900, lk_newlock = 0x0}, b_bufsize = 16384, b_runningbufspace = 0, b_kvabase = 0xce570000 "\002", b_kvasize = 16384, b_lblkno = 0, b_vp = 0xc25ebaa0, b_dirtyoff = 0, b_dirtyend = 0, b_rcred = 0x0, b_wcred = 0x0, b_saveaddr = 0xce570000, b_pager = {pg_reqpage = 0}, b_cluster = {cluster_head = {tqh_first = 0xcbea1880, tqh_last = 0xcbea1bc8}, cluster_entry = {tqe_next = 0xcbea1880, tqe_prev = 0xcbea1bc8}}, b_pages = {0xc119d780, 0xc10d77c8, 0xc10bc810, 0xc188a858, 0x0 }, b_npages = 4, b_dep = {lh_first = 0x0}} (kgdb) p entryoffsetinblock $5 = 16384 what can i do to help? >How-To-Repeat: 1. get freebsd 6.0-BETA4 or BETA5. 2. make kernel with UFS_EXTATTR, UFS_EXTATTR_AUTOSTART, UFS_ACL 3. create new partition 4. get https://bspu.ab.ru/~swp/home.mtree.bz2 and create directories on new partition 5. umount partition 6. mount partition panic here >Fix: remove options UFS_EXTATTR, UFS_EXTATTR_AUTOSTART, UFS_ACL from kernel. >Release-Note: >Audit-Trail: >Unformatted: