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Date:      Mon, 4 Jun 2001 23:42:10 +0200
From:      Joerg Wunsch <j@uriah.heep.sax.de>
To:        current@freebsd.org
Subject:   panic: ufs_extattr_uepm_destroy: not initialized
Message-ID:  <20010604234210.E1997@uriah.heep.sax.de>

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<subject> consistently happens for me when i try to umount /tmp.  A
normal umount doesn't work, not even in single-user mode (device
busy), and a forcible umount causes the panic.  fstat doesn't show any
open descriptors on it though.  It happens on a newfs'd /tmp, too.

It /only/ happens after a "mount -a", not after just mounting /tmp
only.  No idea why, the only `obscure' filesystems i've got are procfs
and portalfs.

The related kernel options have been cut&pasted out of NOTES:

# Extended attributes allow additional data to be associated with files,
# and is used for ACLs, Capabilities, and MAC labels.
# See src/sys/ufs/ufs/README.extattr for more information.
options         UFS_EXTATTR
options         UFS_EXTATTR_AUTOSTART

# Access Control List support for UFS filesystems.  The current ACL
# implementation requires extended attribute support, UFS_EXTATTR,
# for the underlying filesystem.
# See src/sys/ufs/ufs/README.acls for more information.
options         UFS_ACL


Here's the stack trace (taken after another "panic" command in DDB):

(no debugging symbols found)...
IdlePTD 4669440
initial pcb at 39de40
panicstr: from debugger
panic messages:
---
panic: ufs_extattr_uepm_destroy: not initialized
panic: from debugger
Uptime: 51s

dumping to dev da0b, offset 75840
dump 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 
---
#0  0xc01be0d2 in dumpsys ()
(kgdb) bt
#0  0xc01be0d2 in dumpsys ()
#1  0xc01bdebf in boot ()
#2  0xc01be2d9 in panic ()
#3  0xc013bd75 in db_panic ()
#4  0xc013bd15 in db_command ()
#5  0xc013bdda in db_command_loop ()
#6  0xc013dfa3 in db_trap ()
#7  0xc02c00c6 in kdb_trap ()
#8  0xc02cc7c0 in trap ()
#9  0xc02c0334 in Debugger ()
#10 0xc01be2d0 in panic ()
#11 0xc029ba26 in ufs_extattr_uepm_destroy ()
#12 0xc0298869 in ffs_unmount ()
#13 0xc01fa2cf in dounmount ()
#14 0xc01fa159 in unmount ()
#15 0xc02cd3ad in syscall ()
#16 0xc02c0b9d in syscall_with_err_pushed ()
#17 0x8048af3 in ?? ()
#18 0x80484fe in ?? ()
#19 0x8048137 in ?? ()
(kgdb) quit

-- 
cheers, J"org               .-.-.   --... ...--   -.. .  DL8DTL

http://www.sax.de/~joerg/                        NIC: JW11-RIPE
Never trust an operating system you don't have sources for. ;-)

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