Hi, I had for some unknown reason a file system mounted twice (readonly) to the same mount point. So I umounted one instance and after that tried to mount instance left read-write with mount -uw *boom* I guess that this was never supposed to work? In case someone wants to lokk into this the bt full shows some 0xdeadc0dedeadc0de in geom_io.c. db> where Tracing pid 29052 tid 100116 td 0xffffff005e4e2000 g_io_request() at g_io_request+0x89 g_vfs_strategy() at g_vfs_strategy+0x58 ffs_geom_strategy() at ffs_geom_strategy+0xdb bufwrite() at bufwrite+0x1af ffs_bufwrite() at ffs_bufwrite+0x308 ffs_sbupdate() at ffs_sbupdate+0x1ac ffs_mount() at ffs_mount+0xabb vfs_domount() at vfs_domount+0x5c2 vfs_donmount() at vfs_donmount+0x471 nmount() at nmount+0xad syscall() at syscall+0x31a Xfast_syscall() at Xfast_syscall+0xa8 --- syscall (378, FreeBSD ELF64, nmount), rip = 0x8006847bc, rsp = 0x7fffffffd278, rbp = 0x8020001b0 --- db> show msgbuf msgbufp = 0xffffffff80c20fe0 magic = 63062, size = 65504, r= 40099, w = 40509, ptr = 0xffffffff80c11000, cksum= 3107452 Fatal trap 9: general protection fault while in kernel mode cpuid = 0; apic id = 00 instruction pointer = 0x8:0xffffffff803dbbf9 stack pointer = 0x10:0xffffffffb4dfd560 frame pointer = 0x10:0xffffffffb4dfd5a0 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = interrupt enabled, resume, IOPL = 0 current process = 29052 (mount) db> show alllocks Process 29052 (mount) thread 0xffffff005e4e2000 (100116) exclusive sleep mutex Giant r = 1 (0xffffffff808ef660) locked _at_ /local/building/freebsd/HEAD/sys/kern/vfs_mount.c:610 0xffffffff803dbbf9 is in g_io_request (/local/building/freebsd/HEAD/sys/geom/geom_io.c:287). 282 KASSERT(bp->bio_data != NULL, ("NULL bp->data in g_io_request")); 283 pp = cp->provider; 284 KASSERT(pp != NULL, ("consumer not attached in g_io_request")); 285 286 if (bp->bio_cmd & (BIO_READ|BIO_WRITE|BIO_DELETE)) { 287 KASSERT(bp->bio_offset % cp->provider->sectorsize == 0, 288 ("wrong offset %jd for sectorsize %u", 289 bp->bio_offset, cp->provider->sectorsize)); 290 KASSERT(bp->bio_length % cp->provider->sectorsize == 0, 291 ("wrong length %jd for sectorsize %u", (kgdb) bt full #0 doadump () at pcpu.h:172 No locals. #1 0xffffffff801dcd11 in db_fncall (dummy1=0, dummy2=0, dummy3=0, dummy4=0x0) at /local/building/freebsd/HEAD/sys/ddb/db_command.c:489 fn_addr = -2143170480 args = {-2138227928, 120, -2138225600, 9, -1260400192, -2145523509, -2138947712, -2140041168, -2140041112, -2138227928} nargs = 0 retval = -1260400240 t = 0 #2 0xffffffff801dca60 in db_command (last_cmdp=0xffffffff808d3b28, cmd_table=0x0, aux_cmd_tablep=0xffffffff80719030, aux_cmd_tablep_end=0xffffffff80719068) at /local/building/freebsd/HEAD/sys/ddb/db_command.c:404 cmd = (struct command *) 0xffffffff808242c0 t = 0 modif = " впДџџџџ#Ic\200џџџџј\003\000\000\000\000\000\000\r\000\000\000\000\000\000\000PвпДџџџџNKc\200џџџџ\f\000\017\003\v\000\000\000\001\000\000\000\000\000\000\000Р{\227\200џџџџ_at_D\215\200џџџџpвпДџџџџЌ\037F\200џџџџx\000\000\000\000\000\000\000x\000\000\000\000\000\000\000\200впДџџџџ" addr = -1260400160 count = 1021 have_addr = 0 result = 0 #3 0xffffffff801dcb87 in db_command_loop () at /local/building/freebsd/HEAD/sys/ddb/db_command.c:455 No locals. #4 0xffffffff801ded9b in db_trap (type=-1260399904, code=0) at /local/building/freebsd/HEAD/sys/ddb/db_main.c:221 jb = {{_jb = {-1260399904, -1260399928, -1260399792, 0, 9, 1, 0, -2145522386, 9, 1, -1260399792, -2142999036}}} prev_jb = (void *) 0x0 bkpt = 0 #5 0xffffffff8043e11c in kdb_trap (type=9, code=0, tf=0xffffffffb4dfd4b0) at /local/building/freebsd/HEAD/sys/kern/subr_kdb.c:485 did_stop_cpus = 1 handled = -1260399440 #6 0xffffffff80610a4b in trap_fatal (frame=0xffffffffb4dfd4b0, eva=0) at /local/building/freebsd/HEAD/sys/amd64/amd64/trap.c:679 rflags = 514 code = 514 type = 9 ss = 514 esp = 0 softseg = {ssd_base = 0, ssd_limit = 1048575, ssd_type = 27, ssd_dpl = 0, ssd_p = 1, ssd_long = 1, ssd_def32 = 0, ssd_gran = 1} msg = 0x0 #7 0xffffffff80610435 in trap (frame= {tf_rdi = -1097751339008, tf_rsi = -2401050962867404578, tf_rdx = -1097929449472, tf_rcx = 0, tf_r8 = -2140324608, tf_r9 = 582, tf_rax = 10240, tf_rbx = -1097751339008, tf_rbp = -1260399200, tf_r10 = 68719476735, tf_r11 = -1097465537792, tf_r12 = -1098180438016, tf_r13 = -2401050962867404578, tf_r14 = -1613071048, tf_r15 = 0, tf_trapno = 9, tf_addr = 0, tf_flags = -1097365179744, tf_err = 0, tf_rip = -2143437831, tf_cs = 8, tf_rflags = 66050, tf_rsp = -1260399248, tf_ss = 16}) at /local/building/freebsd/HEAD/sys/amd64/amd64/trap.c:492 td = (struct thread *) 0xffffff005e4e2000 p = (struct proc *) 0xffffff0053194000 sticks = 4294967295 i = 0 ucode = 0 type = 9 code = 0 addr = -2138067680 ksi = {ksi_link = {tqe_next = 0xffffffff806e0580, tqe_prev = 0xffffffff808fad20}, ksi_info = {si_signo = -1260399568, si_errno = -1, si_code = -2143207168, si_pid = -1, si_uid = 2154694016, si_status = -1, si_addr = 0xffffff005e7ad0d0, si_value = { sival_int = -1260399456, sival_ptr = 0xffffffffb4dfd4a0}, _reason = { _fault = {_trapno = -2142979170}, _timer = {_timerid = -2142979170, _overrun = -1}, _mesgq = {_mqd = -2142979170}, _poll = { _band = -2142979170}, __spare__ = {__spare1__ = -2142979170, __spare2__ = {-2140147168, -1, 1582178304, -256, -2138067680, -1, 915}}}}, ksi_flags = 0, ksi_sigq = 0xffffffff808fad20} #8 0xffffffff805fc0eb in calltrap () at /local/building/freebsd/HEAD/sys/amd64/amd64/exception.S:168 No locals. #9 0xffffffff803dbbf9 in g_io_request (bp=0xffffff0068ebe000, cp=0xffffff004f585800) at /local/building/freebsd/HEAD/sys/geom/geom_io.c:287 pp = (struct g_provider *) 0xdeadc0dedeadc0de ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ #10 0xffffffff803df8d8 in g_vfs_strategy (bo=0xffffff0068ebe000, bp=0xffffffff9fda7d38) at /local/building/freebsd/HEAD/sys/geom/geom_vfs.c:106 cp = (struct g_consumer *) 0xffffff004f585800 bip = (struct bio *) 0xffffff0068ebe000 #11 0xffffffff805ba4bb in ffs_geom_strategy (bo=0xffffff005e7ad138, bp=0xffffffff9fda7d38) at /local/building/freebsd/HEAD/sys/ufs/ffs/ffs_vfsops.c:1743 vp = (struct vnode *) 0xffffff005e7ad000 error = 10240 #12 0xffffffff80477a0f in bufwrite (bp=0xffffffff9fda7d38) at buf.h:419 oldflags = 536870912 #13 0xffffffff805ba3d8 in ffs_bufwrite (bp=0xffffffff9fda7d38) at /local/building/freebsd/HEAD/sys/ufs/ffs/ffs_vfsops.c:1712 newbp = (struct buf *) 0xffffff006140e800 #14 0xffffffff805b9cbc in ffs_sbupdate (mp=0xffffff0001186600, waitfor=1) at buf.h:405 fs = (struct fs *) 0xffffff006140e800 sbbp = (struct buf *) 0xffffffff9fea7570 bp = (struct buf *) 0xffffffff9fda7d38 blks = 5 space = (void *) 0xffffffff86fa1800 i = 0 size = 10240 error = 10240 allerror = 0 #15 0xffffffff805b741b in ffs_mount (mp=0xffffff0000fb7c00, td=0xffffff005e4e2000) at /local/building/freebsd/HEAD/sys/ufs/ffs/ffs_vfsops.c:304 devvp = (struct vnode *) 0xffffff005e7ad000 ump = (struct ufsmount *) 0xffffff0001186600 fs = (struct fs *) 0xffffff006140e800 error = 0 flags = -559038242 accessmode = 8192 ndp = {ni_dirp = 0xffffff007ff0ee00 "\035Гm\200џџџџ\020а№\177", ni_segflg = 2146488320, ni_startdir = 0xffffffffb4dfd820, ni_rootdir = 0xffffffff805cea98, ni_topdir = 0xffffff0007e7ee08, ni_vp = 0x40, ni_dvp = 0xffffffffb4dfd820, ni_pathlen = 18446744071566332830, ni_next = 0x40 <Address 0x40 out of bounds>, ni_loopcnt = 18446742974330563136, ni_cnd = { cn_nameiop = 18446744072449153104, cn_flags = 18446744071566333463, cn_thread = 0xffffffffb4dfd870, cn_cred = 0xffffff0007e7ea40, cn_lkflags = 2058786432, cn_pnbuf = 0xffffff006e675510 "_at_:кa", cn_nameptr = 0xffffffffb4dfd870 " ипДџџџџ", cn_namelen = -2142748113, cn_consume = -1099495146496}} export = {ex_flags = 128, ex_root = 4294967294, ex_anon = { cr_version = 2151988126, cr_uid = 4294967295, cr_ngroups = -10384, cr_groups = {4294967295, 2151986960, 4294967295, 2156965056, 4294967295, 1582178304, 4294967040, 3034568624, 4294967295, 582, 0, 2156962560, 4294967295, 2146488336, 4294967040, 2273}, _cr_unused1 = 0xffffffff806ff010}, ex_addr = 0x0, ex_addrlen = 64 '_at_', ex_mask = 0xffffffffb4dfd7e0, ex_masklen = 244 'є', ex_indexfile = 0x40 <Address 0x40 out of bounds>} fspec = 0xffffff00673312e0 "/dev/ad8s4d" #16 0xffffffff804858a2 in vfs_domount (td=0xffffff005e4e2000, fstype=0xffffff0000fb7c00 "", fspath=0xffffff00795ec300 "/shared", fsflags=65536, fsdata=0xffffff006e675510) at /local/building/freebsd/HEAD/sys/kern/vfs_mount.c:858 vp = (struct vnode *) 0xffffff0061a581d8 mp = (struct mount *) 0xffffff0000fb7c00 vfsp = (struct vfsconf *) 0xffffff0000fb7c00 error = 0 flag = 4097 kern_flag = 536870912 va = {va_type = 3034569216, va_mode = 65535, va_nlink = -1, va_uid = 2153569984, va_gid = 4294967295, va_fsid = 3034569216, va_fileid = -2143218894, va_size = 18446744072449153536, va_blocksize = -2142980336, va_atime = {tv_sec = -1260398064, tv_nsec = -2138114464}, va_mtime = {tv_sec = -1260397968, tv_nsec = -2142979682}, va_ctime = {tv_sec = -1260398032, tv_nsec = -2142980336}, va_birthtime = {tv_sec = 0, tv_nsec = -2138114464}, va_gen = 18446744072449153648, va_flags = 18446744071566573616, va_rdev = 2156965056, va_bytes = 18446744071571437152, va_filerev = 610, va_vaflags = 0, va_spare = -2140275640} nd = {ni_dirp = 0xffffff00795ec300 "/shared", ni_segflg = UIO_SYSSPACE, ni_startdir = 0x0, ni_rootdir = 0xffffff00277bd3b0, ni_topdir = 0x0, ni_vp = 0xffffff0061a581d8, ni_dvp = 0xffffff00277bd3b0, ni_pathlen = 1, ni_next = 0xffffff002ec9a807 "", ni_loopcnt = 0, ni_cnd = {cn_nameiop = 0, cn_flags = 49220, cn_thread = 0xffffff005e4e2000, cn_cred = 0xffffff0034726700, cn_lkflags = 2, cn_pnbuf = 0xffffff002ec9a800 "/shared", cn_nameptr = 0xffffff002ec9a801 "shared", cn_namelen = 6, cn_consume = 0}} __func__ = "vfs_domount" #17 0xffffffff80485071 in vfs_donmount (td=0xffffff005e4e2000, fsflags=65536, fsoptions=0xffffff0013df2300) at /local/building/freebsd/HEAD/sys/kern/vfs_mount.c:611 optlist = (struct vfsoptlist *) 0xffffff006e675510 fstype = 0xffffff0067331340 "ufs" fspath = 0xffffff00795ec300 "/shared" errmsg = 0xffffffffb4dfdb10 "PлпДџџџџ\rHH\200џџџџPлпДџџџџ" error = 0 fstypelen = 4 fspathlen = 8 errmsg_len = 0 errmsg_pos = -1 #18 0xffffffff8048480d in nmount (td=0xffffff005e4e2000, uap=0xffffffffb4dfdc00) at /local/building/freebsd/HEAD/sys/kern/vfs_mount.c:397 auio = (struct uio *) 0xffffff0013df2300 iov = (struct iovec *) 0x2800 i = 1582178304 error = 6 iovcnt = 10 #19 0xffffffff80610e2a in syscall (frame= {tf_rdi = 34393294144, tf_rsi = 10, tf_rdx = 0, tf_rcx = 34393293232, tf_r8 = 34389085472, tf_r9 = -6510615555426900571, tf_rax = 378, tf_rbx = 140737488343728, tf_rbp = 34393293232, tf_r10 = 44, tf_r11 = 34393293392, tf_r12 = 140737488343696, tf_r13 = 34410068360, tf_r14 = 140737488345936, tf_r15 = 140737488344912, tf_trapno = 12, tf_addr = 34368322704, tf_flags = 0, tf_err = 2, tf_rip = 34366572476, tf_cs = 43, tf_rflags = 518, tf_rsp = 140737488343672, tf_ss = 35}) at /local/building/freebsd/HEAD/sys/amd64/amd64/trap.c:818 params = 0x7fffffffd280 <Address 0x7fffffffd280 out of bounds> callp = (struct sysent *) 0xffffffff8088e3f0 td = (struct thread *) 0xffffff005e4e2000 p = (struct proc *) 0xffffff0053194000 orig_tf_rflags = 518 sticks = 0 error = 0 narg = 3 args = {34393294144, 10, 0, 34393293232, 34389085472, -6510615555426900571, 0, -2137391616} argp = (register_t *) 0xffffffffb4dfdc00 code = 378 reg = -1260397568 regcnt = 6 ksi = {ksi_link = {tqe_next = 0x0, tqe_prev = 0x0}, ksi_info = { si_signo = -1260397456, si_errno = -1, si_code = -2141125424, si_pid = -1, si_uid = 3034569664, si_status = -1, si_addr = 0x80082fc90, si_value = {sival_int = -2138111104, sival_ptr = 0x808f0380}, _reason = { _fault = {_trapno = 1394163712}, _timer = {_timerid = 1394163712, _overrun = -256}, _mesgq = {_mqd = 1394163712}, _poll = { _band = -1098117464064}, __spare__ = {__spare1__ = -1098117464064, __spare2__ = {2, 0, -2138111104, -1, -1260397568, -1, 70}}}}, ksi_flags = 1, ksi_sigq = 0xffffffff808f0380} #20 0xffffffff805fc288 in Xfast_syscall () at /local/building/freebsd/HEAD/sys/amd64/amd64/exception.S:270 No locals. #21 0x00000008006847bc in ?? () No symbol table info available. (kgdb) -- Bjoern A. Zeeb bzeeb at Zabbadoz dot NeTReceived on Sat Jan 28 2006 - 14:45:12 UTC
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