freeze in vfs on DragonFly-CURRENT?

[Vyacheslav Bocharov <list@xxxxxxxxxx>]

 Hello!
I have last (some days ago compiled) DragonFly-CURRENT and got too
many freezes. Seems to freeze in vfs code.



Kernel and crash dump can be found at:
http://snug.org.ua/deep/



-------------------------------------------
This GDB was configured as "i386-dragonfly"...
panic: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x27467
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01e6a97
stack pointer           = 0x10:0xcddadab0
frame pointer           = 0x10:0xcddadb3c
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
current thread          = pri 12
interrupt mask          = bio
trap number             = 12
panic: page fault

syncing disks...

Fatal trap 12: page fault while in kernel mode
fault virtual address   = 0x27467
fault code              = supervisor read, page not present
instruction pointer     = 0x8:0xc01e6a97
stack pointer           = 0x10:0xcddad714
frame pointer           = 0x10:0xcddad7a0
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
current thread          = pri 12
interrupt mask          = bio
trap number             = 12
panic: page fault
Uptime: 4h0m55s
dumping to dev ad3, offset 7356382
dump ata1: 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  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:508
508             if (dumping++) {
dumpsys () at /usr/src/sys/kern/kern_shutdown.c:508
508             if (dumping++) {
(kgdb) list *0xc01e6a97
0xc01e6a97 is in getblk (/usr/src/sys/kern/vfs_bio.c:2303).
2298                    off_t offset;
2299
2300                    if (vn_isdisk(vp, NULL))
2301                            bsize = DEV_BSIZE;
2302                    else if (vp->v_mountedhere)
2303                            bsize =
vp->v_mountedhere->mnt_stat.f_iosize;
2304                    else if (vp->v_mount)
2305                            bsize =
vp->v_mount->mnt_stat.f_iosize;
2306                    else
2307                            bsize = size;

(kgdb) backtrace
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:508
#1  0xc01af881 in boot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:341
#2  0xc01afd36 in panic (fmt=0xc03b2106 "%s")
    at /usr/src/sys/kern/kern_shutdown.c:620
#3  0xc0372042 in trap_fatal (frame=0xcddad6d4, eva=0)
    at /usr/src/sys/i386/i386/trap.c:1144
#4  0xc0371c05 in trap_pfault (frame=0xcddad6d4, usermode=0,
eva=160871)
    at /usr/src/sys/i386/i386/trap.c:1033
#5  0xc0371819 in trap (frame=
      {tf_fs = 24, tf_es = 16, tf_ds = 16, tf_edi = 0, tf_esi =
-1044258312, tf_ebp = -841295968, tf_isp = -841296128, tf_ebx =
512, tf_edx = -1045531720, tf_ecx = -1044258312, tf_eax = 160779,
tf_trapno = 12, tf_err = 0, tf_eip = -1071748457, tf_cs = 8,
tf_eflags = 66050, tf_esp = -1044258312, tf_ss = 0})
    at /usr/src/sys/i386/i386/trap.c:613
#6  0xc0361e9b in calltrap () at
/usr/src/sys/i386/i386/exception.s:780
#7  0x00000018 in ?? ()
#8  0x00000010 in ?? ()
#9  0x00000010 in ?? ()
#10 0x00000000 in ?? ()
#11 0xc1c1e1f8 in ?? ()
#12 0xcddad7a0 in ?? ()
#13 0xcddad700 in ?? ()
#14 0x00000200 in ?? ()


--
Vyacheslav Bocharov
VB29-UANIC