Date: Mon, 2 Dec 2002 19:26:24 +0000 From: Ceri Davies <ceri@FreeBSD.org> To: stable@FreeBSD.org Subject: Kernel panic in vnlru Message-ID: <20021202192624.GA821@submonkey.net>
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Anybody interested in this panic I just experienced ?
No idea what happened, I just went to drop my girlfriend off at college and
when I got home and hit Shift to turn the screen saver off, it hit the fan.
This is on:
FreeBSD rhadamanth.private.submonkey.net 4.7-STABLE FreeBSD 4.7-STABLE #2: Wed Nov 27 01:01:49 GMT 2002 setantae@rhadamanth.private.submonkey.net:/usr/obj/usr/src/sys/RHADAMANTH i386
with an SMP kernel, 512 megs of RAM.
Can't say it's happened before (the reason it's vmcore.7 is distant history).
If anybody wants more details, just say the word.
Thanks,
Ceri
--
The ire of the brave dwarves has come!
--AqsLC8rIMeq19msA
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Script started on Mon Dec 2 19:05:59 2002
You have mail.
{root@rhadamanth}-{/var/crash} # gdb -k kernel.7 vmcore.7=20
GNU gdb 4.18 (FreeBSD)
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"...Deprecated bfd_read cal=
led at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxrea=
d.c line 2627 in elfstab_build_psymtabs
Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../..=
/contrib/gdb/gdb/dbxread.c line 933 in fill_symbuf
SMP 2 cpus
IdlePTD at phsyical address 0x004e3000
initial pcb at physical address 0x002de300
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
mp_lock =3D 00000002; cpuid =3D 0; lapic.id =3D 00000000
fault virtual address =3D 0x0
fault code =3D supervisor write, page not present
instruction pointer =3D 0x8:0xc018691d
stack pointer =3D 0x10:0xddbb4ec0
frame pointer =3D 0x10:0xddbb4ec4
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 6 (vnlru)
interrupt mask =3D bio <- SMP: XXX
trap number =3D 12
panic: page fault
mp_lock =3D 00000002; cpuid =3D 0; lapic.id =3D 00000000
boot() called on cpu#0
syncing disks... 150 11 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9 9=20
giving up on 9 buffers
Uptime: 10h28m7s
dumping to dev #ad/0x30021, offset 128
dump ata2: resetting devices .. done
511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 495 494 493=
492 491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 476 475 47=
4 473 472 471 470 469 468 467 466 465 464 463 462 461 460 459 458 457 456 4=
55 454 453 452 451 450 449 448 447 446 445 444 443 442 441 440 439 438 437 =
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 39=
9 398 397 396 395 394 393 392 391 390 389 388 387 386 385 384 383 382 381 3=
80 379 378 377 376 375 374 373 372 371 370 369 368 367 366 365 364 363 362 =
361 360 359 358 357 356 355 354 353 352 351 350 349 348 347 346 345 344 343=
342 341 340 339 338 337 336 335 334 333 332 331 330 329 328 327 326 325 32=
4 323 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 3=
05 304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 =
286 285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 269 268=
267 266 265 264 263 262 261 260 259 258 257 256 255 254 253 252 251 250 24=
9 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 233 232 231 2=
30 229 228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 =
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 17=
4 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 1=
55 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 =
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 [CTRL-C to abort] 12 11 [CTRL-C to abort]=
10 [CTRL-C to abort] [CTRL-C to abort] 9 [CTRL-C to abort] 8 7 6 5 4 [CTRL=
-C to abort] 3 [CTRL-C to abort] 2 [CTRL-C to abort] 1 [CTRL-C to abort] 0=
=20
---
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
487 if (dumping++) {
(kgdb) bt
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1 0xc015ce1c in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c:3=
16
#2 0xc015d29d in panic (fmt=3D0xc0296e59 "%s") at /usr/src/sys/kern/kern_s=
hutdown.c:595
#3 0xc0255d1a in trap_fatal (frame=3D0xddbb4e80, eva=3D0) at /usr/src/sys/=
i386/i386/trap.c:974
#4 0xc025596d in trap_pfault (frame=3D0xddbb4e80, usermode=3D0, eva=3D0) a=
t /usr/src/sys/i386/i386/trap.c:867
#5 0xc02554b3 in trap (frame=3D{tf_fs =3D -574947304, tf_es =3D -558890992=
, tf_ds =3D 16, tf_edi =3D -744421920,=20
tf_esi =3D -559885952, tf_ebp =3D -574927164, tf_isp =3D -574927188, =
tf_ebx =3D -1027073472, tf_edx =3D 0, tf_ecx =3D 6,=20
tf_eax =3D 0, tf_trapno =3D 12, tf_err =3D 2, tf_eip =3D -1072142051,=
tf_cs =3D 8, tf_eflags =3D 66118, tf_esp =3D -559885952,=20
tf_ss =3D -574927148}) at /usr/src/sys/i386/i386/trap.c:466
#6 0xc018691d in cache_zap (ncp=3D0xc2c81a40) at /usr/src/sys/kern/vfs_cac=
he.c:144
#7 0xc0186e48 in cache_purge (vp=3D0xdea0d180) at /usr/src/sys/kern/vfs_ca=
che.c:373
#8 0xc01df624 in ufs_reclaim (ap=3D0xddbb4f18) at /usr/src/sys/ufs/ufs/ufs=
_inode.c:139
#9 0xc01e4c9d in ufs_vnoperate (ap=3D0xddbb4f18) at /usr/src/sys/ufs/ufs/u=
fs_vnops.c:2422
#10 0xc018c88c in vclean (vp=3D0xdea0d180, flags=3D8, p=3D0xd3a105e0) at vn=
ode_if.h:836
#11 0xc018ca64 in vgonel (vp=3D0xdea0d180, p=3D0xd3a105e0) at /usr/src/sys/=
kern/vfs_subr.c:2037
#12 0xc018ad3b in vlrureclaim (mp=3D0xc1d1ac00, count=3D10) at /usr/src/sys=
/kern/vfs_subr.c:497
#13 0xc018ae44 in vnlru_proc () at /usr/src/sys/kern/vfs_subr.c:544
(kgdb)
{root@rhadamanth}-{/var/crash} # ps -axuw -M vmcore.7 -N kernel.7
USER PID %CPU %MEM VSZ RSS TT STAT STARTED TIME COMMAND
root 59869 42.9 0.0 294780 0 ?? R 4Nov35 10:07.50 (XFree86)
setantae 60739 16.3 0.0 10604 0 #C2 RN 4Nov35 0:11.37 (glforestf=
ire)
setantae 59914 11.9 0.0 31664 0 #C1 R+ 4Nov35 0:51.79 (cm)
setantae 59885 2.0 0.0 7764 0 #C2 R 4Nov35 2:27.87 (gkrellm)
root 4 0.0 0.0 0 0 ?? DL 4Nov35 0:00.34 (bufdaemon)
root 5 0.0 0.0 0 0 ?? DL 4Nov35 0:09.95 (syncer)
root 6 0.0 0.0 0 0 ?? RL 4Nov35 0:00.55 (vnlru)
root 26 0.0 0.0 131848 0 ?? ILs 4Nov35 0:00.81 (mount_mf=
s)
root 40 0.0 0.0 212 0 ?? Is 4Nov35 0:00.00 (adjkerntz)
root 86 0.0 0.0 924 0 ?? Is 4Nov35 0:00.03 (dhclient)
root 97 0.0 0.0 464 0 ?? Ss 4Nov35 0:25.21 (natd)
root 116 0.0 0.0 972 0 ?? Rs 4Nov35 0:02.09 (syslogd)
bind 120 0.0 0.0 3248 0 ?? Is 4Nov35 0:07.30 (named)
root 122 0.0 0.0 1328 0 ?? Ss 4Nov35 0:01.50 (ntpd)
root 129 0.0 0.0 1076 0 ?? Is 4Nov35 0:00.01 (inetd)
root 131 0.0 0.0 1000 0 ?? Ss 4Nov35 0:00.19 (cron)
root 143 0.0 0.0 2352 0 ?? Is 4Nov35 0:00.99 (sshd)
pgsql 182 0.0 0.0 6976 0 #C2- I 4Nov35 0:00.27 (postgres)
pgsql 186 0.0 0.0 7964 0 #C2- I 4Nov35 0:00.02 (postgres)
pgsql 187 0.0 0.0 7040 0 #C2- I 4Nov35 0:00.07 (postgres)
root 196 0.0 0.0 7680 0 ?? Rs 4Nov35 0:01.26 (httpd)
root 208 0.0 0.0 3980 0 ?? Ss 4Nov35 0:02.69 (cupsd)
www 212 0.0 0.0 7680 0 ?? I 4Nov35 0:00.00 (httpd)
root 221 0.0 0.0 4136 0 #C2- I 4Nov35 0:01.60 (perl)
mailnull 237 0.0 0.0 3296 0 ?? Is 4Nov35 0:00.47 (exim-4.10=
-1)
root 255 0.0 0.0 16008 0 ?? Is 4Nov35 0:07.25 (perl)
root 267 0.0 0.0 960 0 #C8 Is+ 4Nov35 0:00.01 (getty)
root 268 0.0 0.0 960 0 #C8 Is+ 4Nov35 0:00.01 (getty)
root 269 0.0 0.0 960 0 #C8 Is+ 4Nov35 0:00.01 (getty)
root 270 0.0 0.0 960 0 #C8 Is+ 4Nov35 0:00.01 (getty)
root 271 0.0 0.0 960 0 #C8 Is+ 4Nov35 0:00.01 (getty)
root 272 0.0 0.0 960 0 #C8 Is+ 4Nov35 0:00.01 (getty)
root 273 0.0 0.0 960 0 #C8 Is+ 4Nov35 0:00.00 (getty)
root 274 0.0 0.0 2880 0 ?? Is 4Nov35 0:00.01 (squid)
squid 276 0.0 0.0 7912 0 ?? R 4Nov35 0:04.21 (squid)
squid 277 0.0 0.0 4208 0 ?? Is 4Nov35 0:01.79 (perl5.005=
03)
squid 278 0.0 0.0 4208 0 ?? Is 4Nov35 0:00.43 (perl5.005=
03)
squid 279 0.0 0.0 4208 0 ?? Is 4Nov35 0:00.30 (perl5.005=
03)
squid 280 0.0 0.0 872 0 ?? Is 4Nov35 0:00.02 (unlinkd)
root 411 0.0 0.0 1260 0 #C2 Is 4Nov35 0:00.03 (login)
setantae 59855 0.0 0.0 1604 0 #C2 I 4Nov35 0:00.09 (tcsh)
setantae 59857 0.0 0.0 640 0 #C2 I+ 4Nov35 0:00.01 (sh)
setantae 59868 0.0 0.0 1752 0 #C2 I+ 4Nov35 0:00.01 (xinit)
setantae 59883 0.0 0.0 4708 0 #C2 R 4Nov35 0:10.52 (icewm)
setantae 59884 0.0 0.0 2468 0 #C2 R 4Nov35 0:07.18 (speyes)
setantae 59886 0.0 0.0 2736 0 #C2 I 4Nov35 0:00.67 (xscreensa=
ver)
root 0 0.0 0.0 0 0 ?? DLs 4Nov35 0:00.00 (swapper)
setantae 59894 0.0 0.0 3980 0 #C2 I 4Nov35 0:00.77 (Eterm)
setantae 59904 0.0 0.0 6980 0 ?? Ss 4Nov35 0:05.57 (Eterm)
setantae 59905 0.0 0.0 1616 0 #C2 Is+ 4Nov35 0:00.13 (tcsh)
setantae 59906 0.0 0.0 1616 0 #C1 Is 4Nov35 0:00.13 (tcsh)
setantae 59910 0.0 0.0 1780 0 #C2 S 4Nov35 0:00.18 (root-tail)
setantae 59891 0.0 0.0 632 0 #C2 I 4Nov35 0:00.00 (sh)
root 1 0.0 0.0 548 0 ?? ILs 4Nov35 0:01.24 (init)
root 2 0.0 0.0 0 0 ?? DL 4Nov35 0:00.07 (pagedaemo=
n)
root 3 0.0 0.0 0 0 ?? DL 4Nov35 0:00.00 (vmdaemon)
--AqsLC8rIMeq19msA--
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