Date: Mon, 4 Feb 2002 17:32:57 +0200 (EET) From: Michael Vasilenko <acid@dg.net.ua> To: FreeBSD-gnats-submit@freebsd.org Subject: kern/34613: kernel panic in ufsdirhash_lookup Message-ID: <200202041532.g14FWvu08490@thunderbird.dg.net.ua>
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>Number: 34613
>Category: kern
>Synopsis: kernel panic in ufsdirhash_lookup
>Confidential: no
>Severity: critical
>Priority: high
>Responsible: freebsd-bugs
>State: open
>Quarter:
>Keywords:
>Date-Required:
>Class: sw-bug
>Submitter-Id: current-users
>Arrival-Date: Mon Feb 04 07:40:00 PST 2002
>Closed-Date:
>Last-Modified:
>Originator: Michael Vasilenko
>Release: FreeBSD 4.5-STABLE i386
>Organization:
DG Ltd. ISP
>Environment:
System: FreeBSD thunderbird.dg.net.ua 4.5-STABLE FreeBSD 4.5-STABLE #5: Mon Feb 4 16:25:03 EET 2002 root@thunderbird.dg.net.ua:/var/obj/usr/src/sys/BIRD i386
>Description:
GNU gdb 4.18
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This GDB was configured as "i386-unknown-freebsd"...
IdlePTD at phsyical address 0x00393000
initial pcb at physical address 0x002fc5c0
panicstr: from debugger
panic messages:
---
panic: ufsdirhash_lookup: bad offset in hash array
panic: from debugger
Uptime: 30m12s
dumping to dev #ad/0x20001, offset 543232
dump ata0: resetting devices .. done
255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 99 98 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 81 80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
---
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:485
485 if (dumping++) {
(kgdb) where
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:485
#1 0xc01587c4 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:314
#2 0xc0158bd9 in panic (fmt=0xc0295ce4 "from debugger")
at /usr/src/sys/kern/kern_shutdown.c:593
#3 0xc012bc6d in db_panic (addr=-1071168587, have_addr=0, count=-1,
modif=0xcdb95ab4 "") at /usr/src/sys/ddb/db_command.c:435
#4 0xc012bc0b in db_command (last_cmdp=0xc02c8f24, cmd_table=0xc02c8d64,
aux_cmd_tablep=0xc02f5f78) at /usr/src/sys/ddb/db_command.c:333
#5 0xc012bcd2 in db_command_loop () at /usr/src/sys/ddb/db_command.c:457
#6 0xc012de83 in db_trap (type=3, code=0) at /usr/src/sys/ddb/db_trap.c:71
#7 0xc0274154 in kdb_trap (type=3, code=0, regs=0xcdb95bbc)
at /usr/src/sys/i386/i386/db_interface.c:158
#8 0xc0280b84 in trap (frame={tf_fs = 16, tf_es = -1006567408, tf_ds = 16,
tf_edi = -843284608, tf_esi = 256, tf_ebp = -843490300, tf_isp = -843490328,
tf_ebx = -1070918784, tf_edx = -1070872209, tf_ecx = 0, tf_eax = 18,
tf_trapno = 3, tf_err = 0, tf_eip = -1071168587, tf_cs = 8, tf_eflags = 582,
tf_esp = -1070872225, tf_ss = -1071007909}) at /usr/src/sys/i386/i386/trap.c:574
#9 0xc02743b5 in Debugger (msg=0xc029b75b "panic") at machine/cpufunc.h:67
#10 0xc0158bd0 in panic (fmt=0xc02b1380 "ufsdirhash_lookup: bad offset in hash array")
at /usr/src/sys/kern/kern_shutdown.c:591
#11 0xc023d1ef in ufsdirhash_lookup (ip=0xc1390900,
name=0xcdae7c0a "univ-month.png.meta", namelen=19, offp=0xc1390964,
bpp=0xcdb95cc8, prevoffp=0x0) at /usr/src/sys/ufs/ufs/ufs_dirhash.c:359
#12 0xc023762f in ufs_lookup (ap=0xcdb95d24) at /usr/src/sys/ufs/ufs/ufs_lookup.c:212
#13 0xc023ca21 in ufs_vnoperate (ap=0xcdb95d24)
at /usr/src/sys/ufs/ufs/ufs_vnops.c:2423
#14 0xc018235a in vfs_cache_lookup (ap=0xcdb95d7c) at vnode_if.h:77
#15 0xc023ca21 in ufs_vnoperate (ap=0xcdb95d7c)
at /usr/src/sys/ufs/ufs/ufs_vnops.c:2423
#16 0xc0185339 in lookup (ndp=0xcdb95ed4) at vnode_if.h:52
#17 0xc0184e24 in namei (ndp=0xcdb95ed4) at /usr/src/sys/kern/vfs_lookup.c:153
#18 0xc018d82a in vn_open (ndp=0xcdb95ed4, fmode=1538, cmode=420)
at /usr/src/sys/kern/vfs_vnops.c:99
#19 0xc01899b0 in open (p=0xcbf92a40, uap=0xcdb95f80)
at /usr/src/sys/kern/vfs_syscalls.c:999
#20 0xc02814a1 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = -1078001617,
tf_edi = 8, tf_esi = 672999120, tf_ebp = -1077937452, tf_isp = -843489324,
tf_ebx = 672925284, tf_edx = 672999120, tf_ecx = 14, tf_eax = 5,
tf_trapno = 12, tf_err = 2, tf_eip = 672834804, tf_cs = 31, tf_eflags = 663,
tf_esp = -1077937496, tf_ss = 47}) at /usr/src/sys/i386/i386/trap.c:1157
#21 0xc0274f45 in Xint0x80_syscall ()
#22 0x28082c6f in ?? ()
#23 0x2808729b in ?? ()
#24 0x2807e11d in ?? ()
#25 0x280e7ef0 in ?? ()
#26 0x8048e75 in ?? ()
#27 0x8048d61 in ?? ()
(kgdb) up 11
#11 0xc023d1ef in ufsdirhash_lookup (ip=0xc1390900,
name=0xcdae7c0a "univ-month.png.meta", namelen=19, offp=0xc1390964,
bpp=0xcdb95cc8, prevoffp=0x0) at /usr/src/sys/ufs/ufs/ufs_dirhash.c:359
359 panic("ufsdirhash_lookup: bad offset in hash array");
(kgdb) list
354 slot = WRAPINCR(slot, dh->dh_hlen)) {
355 if (offset == DIRHASH_DEL)
356 continue;
357
358 if (offset < 0 || offset >= ip->i_size)
359 panic("ufsdirhash_lookup: bad offset in hash array");
360 if ((offset & ~bmask) != blkoff) {
361 if (bp != NULL)
362 brelse(bp);
363 blkoff = offset & ~bmask;
(kgdb) print offset
$1 = 33571596
(kgdb) print ip
$2 = (struct inode *) 0xc1390900
(kgdb) print *ip->i_size
There is no member named i_size.
(kgdb) q
>How-To-Repeat:
don't know
>Fix:
none
>Release-Note:
>Audit-Trail:
>Unformatted:
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