On Mar 23, Matthew Dillon wrote:
> Oh, addendum... I didn't see this email regarding an actual panic.
>
> There are two problems here, one of which (the nbufkv lockup) should
> be solved by my previous email.
>
> The second problem is this panic you are reporting, and I have no idea
> what is causing it so this issue remains open. It could be softupdates,
> it could be vinum, or it could be the ATA driver.
>
> What you need to do to help solve the panic is to gdb a debug version
> of the kernel image rather then the non debug version so the stack
> backtrace contains source line numbers and such.
>
> -Matt
> Matthew Dillon
> <[EMAIL PROTECTED]>
Included is a better backtrace. This does not include the
patch that you suggested, I will do that tommorow.
Thanks,
--Mat
Script started on Thu Mar 23 17:07:47 2000
bash-2.03# gdk b -k
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 conditions.
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".
(kgdb) exec-file v kernel.3
(kgdb) c symbol-file /usr/sr/ c/sys/compile/KAZE/kernel.debug
Reading symbols from /usr/src/sys/compile/KAZE/kernel.debug...done.
(kgdb) core-file vmcore.3
IdlePTD 4157440
initial pcb at 364ec0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x2c
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc0175f96
stack pointer = 0x10:0xc0321948
frame pointer = 0x10:0xc0321948
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask = bio
trap number = 12
panic: page fault
syncing disks...
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x30
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc025e120
stack pointer = 0x10:0xc0321780
frame pointer = 0x10:0xc0321784
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask = bio
trap number = 12
panic: page fault
Uptime: 5m27s
dumping to dev #ad/0x20001, offset 3047552
dump ata0: resetting devices .. done
511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 495 494 493 492
491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 476 475 474 473 472
471 470 469 468 467 466 465 464 463 462 461 460 459 458 457 456 455 454 453 452
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
411 410 409 408 407 406 405 404 403 402 401 400 399 398 397 396 395 394 393 392
391 390 389 388 387 386 385 384 383 382 381 380 379 378 377 376 375 374 373 372
371 370 369 368 367 366 365 364 363 362 361 360 359 358 357 356 355 354 353 352
351 350 349 348 347 346 345 344 343 342 341 340 339 338 337 336 335 334 333 332
331 330 329 328 327 326 325 324 323 322 321 320 319 318 317 316 315 314 313 312
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
271 270 269 268 267 266 265 264 263 262 261 260 259 258 257 256 255 254 253 252
251 250 249 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 233 232
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 boot (howto=260) at ../../kern/kern_shutdown.c:304
304 dumppcb.pcb_cr3 = rcr3();
(kgdb) where
#0 boot (howto=260) at ../../kern/kern_shutdown.c:304
#1 0xc017fa18 in poweroff_wait (junk=0xc0317dcf, howto=0)
at ../../kern/kern_shutdown.c:554
#2 0xc02ba969 in trap_fatal (frame=0xc0321740, eva=48)
at ../../i386/i386/trap.c:924
#3 0xc02ba641 in trap_pfault (frame=0xc0321740, usermode=0, eva=48)
at ../../i386/i386/trap.c:817
#4 0xc02ba237 in trap (frame={tf_fs = -1070465008, tf_es = -1072234480,
tf_ds = -1028718576, tf_edi = 0, tf_esi = 0, tf_ebp = -1070459004,
tf_isp = -1070459028, tf_ebx = -1070357604, tf_edx = 1074283584,
tf_ecx = -1030721521, tf_eax = 0, tf_trapno = 12, tf_err = 0,
tf_eip = -1071259360, tf_cs = 8, tf_eflags = 66050, tf_esp = -856665792,
tf_ss = -1070458980}) at ../../i386/i386/trap.c:423
#5 0xc025e120 in acquire_lock (lk=0xc033a39c)
at ../../ufs/ffs/ffs_softdep.c:282
#6 0xc0263290 in softdep_count_dependencies (bp=0xccf05140, wantcount=0)
at ../../ufs/ffs/ffs_softdep.c:4535
#7 0xc02663c4 in ffs_fsync (ap=0xc03217f8) at ../../ufs/ffs/ffs_vnops.c:168
#8 0xc0264f73 in ffs_sync (mp=0xc2815400, waitfor=2, cred=0xc10c5900,
p=0xc037c540) at vnode_if.h:537
#9 0xc01aac8f in sync (p=0xc037c540, uap=0x0) at ../../kern/vfs_syscalls.c:549
#10 0xc017f467 in boot (howto=256) at ../../kern/kern_shutdown.c:226
#11 0xc017fa18 in poweroff_wait (junk=0xc0317dcf, howto=0)
at ../../kern/kern_shutdown.c:554
---Type <return> to continue, or q <return> to quit---
#12 0xc02ba969 in trap_fatal (frame=0xc0321908, eva=44)
at ../../i386/i386/trap.c:924
#13 0xc02ba641 in trap_pfault (frame=0xc0321908, usermode=0, eva=44)
at ../../i386/i386/trap.c:817
#14 0xc02ba237 in trap (frame={tf_fs = -1030815728, tf_es = -1071054832,
tf_ds = 1074266128, tf_edi = -825171968, tf_esi = -1030754304,
tf_ebp = -1070458552, tf_isp = -1070458572, tf_ebx = -1030754272,
tf_edx = 23, tf_ecx = 0, tf_eax = 0, tf_trapno = 12, tf_err = 0,
tf_eip = -1072210026, tf_cs = 8, tf_eflags = 66118,
tf_esp = -1070458496, tf_ss = -1032529027}) at ../../i386/i386/trap.c:423
#15 0xc0175f96 in devsw (dev=0x0) at ../../kern/kern_conf.c:79
#16 0xc274db7d in ?? ()
#17 0xc274d3ba in ?? ()
#18 0xc01a329b in biodone (bp=0xc28ff020) at ../../kern/vfs_bio.c:2697
#19 0xc02913ee in ad_interrupt (request=0xc2abf240)
at ../../dev/ata/ata-disk.c:555
#20 0xc028dde6 in ata_intr (data=0xc261f380) at ../../dev/ata/ata-all.c:1122
#21 0xc02ccfe1 in intr_mux (arg=0xc10be820)
at ../../i386/isa/intr_machdep.c:569
(kgdb) quit
bash-2.03# exit
Script done on Thu Mar 23 17:08:23 2000
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