Date: Mon, 30 Aug 1999 10:52:18 +0400 (MSD) From: bag@sinbin.demos.su (Alex G. Bulushev) To: hackers@freebsd.org Subject: 3.2-s nfsv3/udp server daily panic Message-ID: <199908300652.KAA80320@sinbin.demos.su>
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we use hightly loaded nfsv3/udp server with 5 fbsd nfs client
all with 3.2-stable
server panics one/two time a day with:
panic: ufs_dirbad: bad dir
then reboot ...
another panic:
panic: vm_fault: fault on nofault entry, addr: ce4c9000
in this case server write:
syncing disks...
and hangs ... after seting vfs.ffs.doreallocblks=3D0 server works without
panic about 8 days, and then reboot with:
Fatal trap 12: page fault while in kernel mode
----------------
then 3 examples of regular panics, two at ../../ufs/ufs/ufs_lookup.c:238 :
ep =3D (struct direct *)((char *)bp->b_data + entryoffsetinblock);
and one at ../../ufs/ufs/ufs_lookup.c:566 :
if ((mp->mnt_stat.f_flags & MNT_RDONLY) =3D=3D 0)
panic("ufs_dirbad: bad dir");
-------------------------------------------------------------------------
this is backtrace of panic from debuger (vfs.ffs.doreallocblks=3D1)
when server hangs while sincing disks ...
-------------------------------------------------------------------------
# gdb -k kernel.28 vmcore.28
GNU gdb 4.18
Copyright 1998 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 condition=
s.
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-unknown-freebsd"...
IdlePTD 2744320
initial pcb at 227b10
panicstr: from debugger
panic messages:
---
panic: vm_fault: fault on nofault entry, addr: ce4c9000
syncing disks... panic: from debugger
(da1:ahc1:0:1:0): SYNCHRONIZE CACHE. CDB: 35 0 0 0 0 0 0 0 0 0
(da1:ahc1:0:1:0): ILLEGAL REQUEST asc:20,0
(da1:ahc1:0:1:0): Invalid command operation code
dumping to dev 20401, offset 1691306
dump 512 511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 49=
5 494 493 492 491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 4=
76 475 474 473 472 471 470 469 468 467 466 465 464 463 462 461 460 459 458 =
457 456 455 454 453 452 451 4=
50 449 448 447 446 445 444 443 442 441 440 439 438 437 436 435 434 433 432 =
431 430 429 428 427 426 425 424 423 422 421 420 419 418 417 416 415 414 413=
412 411 410 409 408 407 406 405 404 403 402 401 400 399 398 397 396 395 39=
4 393 392 391 390 389 388 387=
386 385 384 383 382 381 380 379 378 377 376 375 374 373 372 371 370 369 36=
8 367 366 365 364 363 362 361 360 359 358 357 356 355 354 353 352 351 350 3=
49 348 347 346 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 =
330 329 328 327 326 325 324 3=
23 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 305 =
304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 286=
285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 269 268 26=
7 266 265 264 263 262 261 260=
259 258 257 256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 24=
1 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 2=
22 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 =
203 202 201 200 199 198 197 1=
96 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 =
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 14=
0 139 138 137 136 135 134 133=
132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 11=
4 113 112 111 110 109 108 107 106 105 104 103 102 101 100 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 5=
9 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 3=
4 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 boot (howto=3D260) at ../../kern/kern_shutdown.c:285
285 dumppcb.pcb_cr3 =3D rcr3();
(kgdb) back
#0 boot (howto=3D260) at ../../kern/kern_shutdown.c:285
#1 0xc013cf39 in panic (fmt=3D0xc01fb0f8 "from debugger")
at ../../kern/kern_shutdown.c:446
#2 0xc01221dd in db_panic (addr=3D-1071763569, have_addr=3D0, count=3D-1,
modif=3D0xd302f76c "") at ../../ddb/db_command.c:432
#3 0xc012217d in db_command (last_cmdp=3D0xc0213aa4, cmd_table=3D0xc021390=
4,
aux_cmd_tablep=3D0xc0225818) at ../../ddb/db_command.c:332
#4 0xc0122242 in db_command_loop () at ../../ddb/db_command.c:454
#5 0xc01246bb in db_trap (type=3D3, code=3D0) at ../../ddb/db_trap.c:71
#6 0xc01e2d6a in kdb_trap (type=3D3, code=3D0, regs=3D0xd302f85c)
at ../../i386/i386/db_interface.c:157
#7 0xc01ebd14 in trap (frame=3D{tf_es =3D 16, tf_ds =3D 16, tf_edi =3D -10=
71815412,
tf_esi =3D 134, tf_ebp =3D -754780000, tf_isp =3D -754780028, tf_ebx =
=3D 0,
tf_edx =3D -1071600628, tf_ecx =3D -1072984320, tf_eax =3D 38, tf_tra=
pno =3D 3,
tf_err =3D 0, tf_eip =3D -1071763569, tf_cs =3D 8, tf_eflags =3D 598,
tf_esp =3D -1071600644, tf_ss =3D -1071611704}) at ../../i386/i386/tr=
ap.c:548
#8 0xc01e2f8f in Debugger (msg=3D0xc02080c8 "manual escape to debugger")
at ../../i386/i386/db_interface.c:317
#9 0xc01de778 in scgetc (kbd=3D0xc0246600, flags=3D2)
at ../../dev/syscons/syscons.c:3726
#10 0xc01d99f8 in sckbdevent (thiskbd=3D0xc0246600, event=3D0, arg=3D0x0)
at ../../dev/syscons/syscons.c:822
#11 0xc01d63d7 in atkbd_intr (kbd=3D0xc0246600, arg=3D0x0)
---Type <return> to continue, or q <return> to quit---
at ../../dev/kbd/atkbd.c:563
#12 0xc01efc1c in atkbd_isa_intr (unit=3D0) at ../../i386/isa/atkbd_isa.c:84
#13 0xc01e4a7a in vec1 ()
#14 0xc0159d93 in getblk (vp=3D0xd2d77ec0, blkno=3D131184, size=3D8192, slp=
flag=3D0,
slptimeo=3D0) at ../../kern/vfs_bio.c:1424
#15 0xc0158761 in bread (vp=3D0xd2d77ec0, blkno=3D131184, size=3D8192, cred=
=3D0x0,
bpp=3D0xd302fa30) at ../../kern/vfs_bio.c:282
#16 0xc01bbf98 in ffs_update (vp=3D0xd3ddbd80, waitfor=3D0)
at ../../ufs/ffs/ffs_inode.c:98
#17 0xc01c0766 in ffs_fsync (ap=3D0xd302fab8) at ../../ufs/ffs/ffs_vnops.c:=
258
#18 0xc01beb8b in ffs_sync (mp=3D0xc3004a00, waitfor=3D2, cred=3D0xc1138000,
p=3D0xc024bb7c) at vnode_if.h:499
#19 0xc01619c3 in sync (p=3D0xc024bb7c, uap=3D0x0) at ../../kern/vfs_syscal=
ls.c:549
#20 0xc013cae1 in boot (howto=3D256) at ../../kern/kern_shutdown.c:203
#21 0xc013cf39 in panic (
fmt=3D0xc02067ce "vm_fault: fault on nofault entry, addr: %lx")
at ../../kern/kern_shutdown.c:446
#22 0xc01c8b6e in vm_fault (map=3D0xc023e7b8, vaddr=3D3461124096,
fault_type=3D1 '\001', fault_flags=3D0) at ../../vm/vm_fault.c:232
#23 0xc01ebf40 in trap_pfault (frame=3D0xd302fc40, usermode=3D0, eva=3D3461=
126819)
at ../../i386/i386/trap.c:824
#24 0xc01ebbf2 in trap (frame=3D{tf_es =3D 16, tf_ds =3D -1012727792,
tf_edi =3D 35487, tf_esi =3D -1012706816, tf_ebp =3D -754778880,
---Type <return> to continue, or q <return> to quit---
tf_isp =3D -754779032, tf_ebx =3D -833840481, tf_edx =3D -847649360,
tf_ecx =3D 8191, tf_eax =3D 43679, tf_trapno =3D 12, tf_err =3D 0,
tf_eip =3D -1071900669, tf_cs =3D 8, tf_eflags =3D 66182, tf_esp =3D =
-747118080,
tf_ss =3D -754778332}) at ../../i386/i386/trap.c:437
#25 0xc01c1803 in ufs_lookup (ap=3D0xd302fd3c) at ../../ufs/ufs/ufs_lookup.=
c:238
#26 0xc01c6615 in ufs_vnoperate (ap=3D0xd302fd3c)
at ../../ufs/ufs/ufs_vnops.c:2299
#27 0xc015bb48 in vfs_cache_lookup (ap=3D0xd302fd98) at vnode_if.h:55
#28 0xc01c6615 in ufs_vnoperate (ap=3D0xd302fd98)
at ../../ufs/ufs/ufs_vnops.c:2299
#29 0xc015e01d in lookup (ndp=3D0xd302ff00) at vnode_if.h:31
#30 0xc015daf0 in namei (ndp=3D0xd302ff00) at ../../kern/vfs_lookup.c:152
#31 0xc01652bf in vn_open (ndp=3D0xd302ff00, fmode=3D1538, cmode=3D128)
at ../../kern/vfs_vnops.c:88
#32 0xc016201d in open (p=3D0xd2f5d160, uap=3D0xd302ff94)
at ../../kern/vfs_syscalls.c:935
#33 0xc01ec523 in syscall (frame=3D{tf_es =3D 39, tf_ds =3D 39,
tf_edi =3D -1077954700, tf_esi =3D -1077957272, tf_ebp =3D -107794493=
2,
tf_isp =3D -754778140, tf_ebx =3D 0, tf_edx =3D 33, tf_ecx =3D 0, tf_=
eax =3D 5,
tf_trapno =3D 7, tf_err =3D 2, tf_eip =3D 671740392, tf_cs =3D 31,
tf_eflags =3D 582, tf_esp =3D -1077963708, tf_ss =3D 39})
at ../../i386/i386/trap.c:1100
#34 0xc01e36bc in Xint0x80_syscall ()
---Type <return> to continue, or q <return> to quit---
#35 0x804db00 in ?? ()
#36 0x8049425 in ?? ()
(kgdb)
-------------------------------------------------------------------------
this is backtrace (vfs.ffs.doreallocblks=3D1) when server reboots ...
-------------------------------------------------------------------------
# gdb -k kernel.30 vmcore.30
GNU gdb 4.18
Copyright 1998 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 condition=
s.
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-unknown-freebsd"...
IdlePTD 2744320
initial pcb at 227b10
panicstr: ufs_dirbad: bad dir
panic messages:
---
panic: ufs_dirbad: bad dir
syncing disks... 95 10 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 giving up
(da1:ahc1:0:1:0): SYNCHRONIZE CACHE. CDB: 35 0 0 0 0 0 0 0 0 0
(da1:ahc1:0:1:0): ILLEGAL REQUEST asc:20,0
(da1:ahc1:0:1:0): Invalid command operation code
dumping to dev 20401, offset 1691306
dump 512 511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 49=
5 494 493 492 491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 4=
76 475 474 473 472 471 470 469 468 467 466 465 464 463 462 461 460 459 458 =
457 456 455 454 453 452 451 4=
50 449 448 447 446 445 444 443 442 441 440 439 438 437 436 435 434 433 432 =
431 430 429 428 427 426 425 424 423 422 421 420 419 418 417 416 415 414 413=
412 411 410 409 408 407 406 405 404 403 402 401 400 399 398 397 396 395 39=
4 393 392 391 390 389 388 387=
386 385 384 383 382 381 380 379 378 377 376 375 374 373 372 371 370 369 36=
8 367 366 365 364 363 362 361 360 359 358 357 356 355 354 353 352 351 350 3=
49 348 347 346 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 =
330 329 328 327 326 325 324 3=
23 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 305 =
304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 286=
285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 269 268 26=
7 266 265 264 263 262 261 260=
259 258 257 256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 24=
1 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 2=
22 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 =
203 202 201 200 199 198 197 1=
96 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 =
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 14=
0 139 138 137 136 135 134 133=
132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 11=
4 113 112 111 110 109 108 107 106 105 104 103 102 101 100 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 5=
9 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 3=
4 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 boot (howto=3D256) at ../../kern/kern_shutdown.c:285
285 dumppcb.pcb_cr3 =3D rcr3();
(kgdb) back
#0 boot (howto=3D256) at ../../kern/kern_shutdown.c:285
#1 0xc013cf39 in panic (fmt=3D0xc0206187 "ufs_dirbad: bad dir")
at ../../kern/kern_shutdown.c:446
#2 0xc01c1f8e in ufs_dirbad (ip=3D0xc3088300, offset=3D51104,
how=3D0xc0206141 "mangled entry") at ../../ufs/ufs/ufs_lookup.c:566
#3 0xc01c1832 in ufs_lookup (ap=3D0xd2dd5ad8) at ../../ufs/ufs/ufs_lookup.=
c:243
#4 0xc01c6615 in ufs_vnoperate (ap=3D0xd2dd5ad8)
at ../../ufs/ufs/ufs_vnops.c:2299
#5 0xc015bb48 in vfs_cache_lookup (ap=3D0xd2dd5b34) at vnode_if.h:55
#6 0xc01c6615 in ufs_vnoperate (ap=3D0xd2dd5b34)
at ../../ufs/ufs/ufs_vnops.c:2299
#7 0xc015e01d in lookup (ndp=3D0xd2dd5d94) at vnode_if.h:31
#8 0xc019da95 in nfs_namei (ndp=3D0xd2dd5d94, fhp=3D0xd2dd5d0c, len=3D2,
slp=3D0xc2fa5e00, nam=3D0xc30e1950, mdp=3D0xd2dd5c48, dposp=3D0xd2dd5c4=
4,
retdirp=3D0xd2dd5c2c, p=3D0xd2d7bf40, kerbflag=3D0, pubflag=3D0)
at ../../nfs/nfs_subs.c:1662
#9 0xc01866d3 in nfsrv_lookup (nfsd=3D0xc3239600, slp=3D0xc2fa5e00,
procp=3D0xd2d7bf40, mrq=3D0xd2dd5e34) at ../../nfs/nfs_serv.c:476
#10 0xc019f562 in nfssvc_nfsd (nsd=3D0xd2dd5e94, argp=3D0x8071bb8 "", p=3D0=
xd2d7bf40)
at ../../nfs/nfs_syscalls.c:656
#11 0xc019ee7d in nfssvc (p=3D0xd2d7bf40, uap=3D0xd2dd5f94)
at ../../nfs/nfs_syscalls.c:342
#12 0xc01ec523 in syscall (frame=3D{tf_es =3D 39, tf_ds =3D 39, tf_edi =3D =
16,
---Type <return> to continue, or q <return> to quit---
tf_esi =3D 0, tf_ebp =3D -1077944892, tf_isp =3D -757243932, tf_ebx =
=3D 0,
tf_edx =3D -1077945288, tf_ecx =3D 0, tf_eax =3D 155, tf_trapno =3D 1=
2,
tf_err =3D 2, tf_eip =3D 134518940, tf_cs =3D 31, tf_eflags =3D 642,
tf_esp =3D -1077945280, tf_ss =3D 39}) at ../../i386/i386/trap.c:1100
#13 0xc01e36bc in Xint0x80_syscall ()
#14 0x80480e9 in ?? ()
(kgdb)
-------------------------------------------------------------------------
this is backtrace (vfs.ffs.doreallocblks=3D0) when server reboots
after 8 days of work ...
-------------------------------------------------------------------------
# gdb -k kernel.31 vmcore.31
GNU gdb 4.18
Copyright 1998 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 condition=
s.
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-unknown-freebsd"...
IdlePTD 2744320
initial pcb at 227b10
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0xce29867c
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc01c1803
stack pointer =3D 0x10:0xd2ef2d1c
frame pointer =3D 0x10:0xd2ef2da0
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 11741 (uux)
interrupt mask =3D
trap number =3D 12
panic: page fault
syncing disks... 25 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 giving up
(da1:ahc1:0:1:0): SYNCHRONIZE CACHE. CDB: 35 0 0 0 0 0 0 0 0 0
(da1:ahc1:0:1:0): ILLEGAL REQUEST asc:20,0
(da1:ahc1:0:1:0): Invalid command operation code
dumping to dev 20401, offset 1691306
dump 512 511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 49=
5 494 493 492 491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 4=
76 475 474 473 472 471 470 469 468 467 466 465 464 463 462 461 460 459 458 =
457 456 455 454 453 452 451 4=
50 449 448 447 446 445 444 443 442 441 440 439 438 437 436 435 434 433 432 =
431 430 429 428 427 426 425 424 423 422 421 420 419 418 417 416 415 414 413=
412 411 410 409 408 407 406 405 404 403 402 401 400 399 398 397 396 395 39=
4 393 392 391 390 389 388 387=
386 385 384 383 382 381 380 379 378 377 376 375 374 373 372 371 370 369 36=
8 367 366 365 364 363 362 361 360 359 358 357 356 355 354 353 352 351 350 3=
49 348 347 346 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 =
330 329 328 327 326 325 324 3=
23 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 305 =
304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 286=
285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 269 268 26=
7 266 265 264 263 262 261 260=
259 258 257 256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 24=
1 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 2=
22 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 =
203 202 201 200 199 198 197 1=
96 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 =
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 14=
0 139 138 137 136 135 134 133=
132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 11=
4 113 112 111 110 109 108 107 106 105 104 103 102 101 100 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 5=
9 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 3=
4 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 boot (howto=3D256) at ../../kern/kern_shutdown.c:285
285 dumppcb.pcb_cr3 =3D rcr3();
(kgdb) back
#0 boot (howto=3D256) at ../../kern/kern_shutdown.c:285
#1 0xc013cf39 in panic (fmt=3D0xc020bcdb "page fault")
at ../../kern/kern_shutdown.c:446
#2 0xc01ec2da in trap_fatal (frame=3D0xd2ef2ce0, eva=3D3458827900)
at ../../i386/i386/trap.c:942
#3 0xc01ebf93 in trap_pfault (frame=3D0xd2ef2ce0, usermode=3D0, eva=3D3458=
827900)
at ../../i386/i386/trap.c:835
#4 0xc01ebbf2 in trap (frame=3D{tf_es =3D 16, tf_ds =3D -1012793328,
tf_edi =3D 13944, tf_esi =3D -1012734208, tf_ebp =3D -756077152,
tf_isp =3D -756077304, tf_ebx =3D -836139400, tf_edx =3D -847635744,
tf_ecx =3D 8191, tf_eax =3D 374392, tf_trapno =3D 12, tf_err =3D 0,
tf_eip =3D -1071900669, tf_cs =3D 8, tf_eflags =3D 66182, tf_esp =3D =
-739090816,
tf_ss =3D -756076836}) at ../../i386/i386/trap.c:437
#5 0xc01c1803 in ufs_lookup (ap=3D0xd2ef2ddc) at ../../ufs/ufs/ufs_lookup.=
c:238
#6 0xc01c6615 in ufs_vnoperate (ap=3D0xd2ef2ddc)
at ../../ufs/ufs/ufs_vnops.c:2299
#7 0xc015bb48 in vfs_cache_lookup (ap=3D0xd2ef2e38) at vnode_if.h:55
#8 0xc01c6615 in ufs_vnoperate (ap=3D0xd2ef2e38)
at ../../ufs/ufs/ufs_vnops.c:2299
#9 0xc015e01d in lookup (ndp=3D0xd2ef2eb8) at vnode_if.h:31
#10 0xc015daf0 in namei (ndp=3D0xd2ef2eb8) at ../../kern/vfs_lookup.c:152
#11 0xc01631bc in stat (p=3D0xd2e6ffa0, uap=3D0xd2ef2f94)
at ../../kern/vfs_syscalls.c:1614
---Type <return> to continue, or q <return> to quit---
#12 0xc01ec523 in syscall (frame=3D{tf_es =3D 39, tf_ds =3D -1078001625,
tf_edi =3D -1077945600, tf_esi =3D -1077945616, tf_ebp =3D -107794564=
0,
tf_isp =3D -756076572, tf_ebx =3D 266344, tf_edx =3D 266355, tf_ecx =
=3D 0,
tf_eax =3D 188, tf_trapno =3D 12, tf_err =3D 7, tf_eip =3D 141013, tf=
_cs =3D 31,
tf_eflags =3D 646, tf_esp =3D -1077945748, tf_ss =3D 39})
at ../../i386/i386/trap.c:1100
#13 0x226d5 in ?? ()
#14 0x651a in ?? ()
#15 0x65ad in ?? ()
#16 0x30fe in ?? ()
#17 0x10d3 in ?? ()
(kgdb)
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