kern/63040: freebsd kernel panic (sf_buff_alloc)

Wed Feb 18 14:30:17 PST 2004

>Number:         63040
>Category:       kern
>Synopsis:       freebsd kernel panic (sf_buff_alloc)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    freebsd-bugs
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 18 14:30:16 PST 2004
>Closed-Date:
>Last-Modified:
>Originator:     Michael Day
>Release:        4.9-RELEASE
>Organization:
>Environment:
FreeBSD censored 4.9-RELEASE FreeBSD 4.9-RELEASE #0: Wed Feb 18 10:43:01 EST 2004     admin at censored:/usr/src/sys/compile/MYKERNEL  i386

>Description:
# gdb -k kernel.debug /var/crash/vmcore.0
GNU gdb 4.18 (FreeBSD)
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This GDB was configured as "i386-unknown-freebsd"...Deprecated bfd_read called at /usr/src/gnu/usr.bin/binutils/gdb/../../../../contrib/gdb/gdb/dbxread.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

IdlePTD at phsyical address 0x0055a000
initial pcb at physical address 0x0048b160
panicstr: general protection fault
panic messages:
---
Fatal trap 9: general protection fault while in kernel mode
instruction pointer     = 0x8:0xc024cc20
stack pointer           = 0x10:0xe3939e58
frame pointer           = 0x10:0xe3939e5c
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         = 10095 (httpd)
interrupt mask          = none
trap number             = 9
panic: general protection fault

syncing disks... 16 2
done

Uptime: 5h37m27s

dumping to dev #ad/0x20001, offset 2621568
dump ata0: resetting devices .. done
767 766 765 764 763 762 761 760 759 758 757 756 755 754 753 752 751 750 749 748 747 746 745 744 743 742 741 740 739 738 737 736 735 734 733 732 731 730 729 728 727 726 725 724 723 722 721 720 719 718 717 716 715 714 713 712 711 710 709 708 707 706 705 704 703 702 701 700 699 698 697 696 695 694 693 692 691 690 689 688 687 686 685 684 683 682 681 680 679 678 677 676 675 674 673 672 671 670 669 668 667 666 665 664 663 662 661 660 659 658 657 656 655 654 653 652 651 650 649 648 647 646 645 644 643 642 641 640 639 638 637 636 635 634 633 632 631 630 629 628 627 626 625 624 623 622 621 620 619 618 617 616 615 614 613 612 611 610 609 608 607 606 605 604 603 602 601 600 599 598 597 596 595 594 593 592 591 590 589 588 587 586 585 584 583 582 581 580 579 578 577 576 575 574 573 572 571 570 569 568 567 566 565 564 563 562 561 560 559 558 557 556 555 554 553 552 551 550 549 548 547 546 545 544 543 542 541 540 539 538 537 536 535 534 533 532 531 530 529 528 527 526 525 524 523 522 521 52
 0 519 518 517 516 515 514 513 512 511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 495 494 493 492 491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 476 475 474 473 472 471 470 469 468 467 466 465 464 463 462 461 460 459 458 457 456 455 454 453 452 451 450 449 448 447 446 445 444 443 442 441 440 439 438 437 436 435 434 433 432 431 430 429 428 427 426 425 424 423 422 421 420 419 418 417 416 415 414 413 412 411 410 409 408 407 406 405 404 403 402 401 400 399 398 397 396 395 394 393 392 391 390 389 388 387 386 385 384 383 382 381 380 379 378 377 376 375 374 373 372 371 370 369 368 367 366 365 364 363 362 361 360 359 358 357 356 355 354 353 352 351 350 349 348 347 346 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 330 329 328 327 326 325 324 323 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 305 304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 286 285 284 283 282 281 280 279 278 277 276 275 274 273
  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 ../../kern/kern_shutdown.c:487
487             if (dumping++) {
(kgdb) backtrace
#0  dumpsys () at ../../kern/kern_shutdown.c:487
#1  0xc02294d3 in boot (howto=256) at ../../kern/kern_shutdown.c:316
#2  0xc02298f8 in poweroff_wait (junk=0xc0420d6c, howto=-1069414267)
    at ../../kern/kern_shutdown.c:595
#3  0xc039e05a in trap_fatal (frame=0xe3939e18, eva=0)
    at ../../i386/i386/trap.c:974
#4  0xc039da37 in trap (frame={tf_fs = -476905456, tf_es = -477167600,
      tf_ds = 16, tf_edi = 0, tf_esi = -514842176, tf_ebp = -476864932,
      tf_isp = -476864956, tf_ebx = -477122720, tf_edx = 1, tf_ecx = 0,
      tf_eax = 1, tf_trapno = 9, tf_err = 8640, tf_eip = -1071330272,
      tf_cs = 8, tf_eflags = 66050, tf_esp = -514842176, tf_ss = -476864748})
    at ../../i386/i386/trap.c:636
#5  0xc024cc20 in sf_buf_alloc () at ../../kern/uipc_syscalls.c:1446
#6  0xc024d3c9 in do_sendfile (p=0xe38faf60, uap=0xe3939f80, compat=0)
    at ../../kern/uipc_syscalls.c:1765
#7  0xc024cd78 in sendfile (p=0xe38faf60, uap=0xe3939f80)
    at ../../kern/uipc_syscalls.c:1538
#8  0xc039e309 in syscall2 (frame={tf_fs = 47, tf_es = 135790639,
      tf_ds = -1078001617, tf_edi = 328, tf_esi = -1077938264,
      tf_ebp = -1077938240, tf_isp = -476864556, tf_ebx = 672073256,
      tf_edx = 135835792, tf_ecx = 0, tf_eax = 393, tf_trapno = 0, tf_err = 2,
      tf_eip = 672512704, tf_cs = 31, tf_eflags = 518, tf_esp = -1077938332,
      tf_ss = 47}) at ../../i386/i386/trap.c:1175
#9  0xc038f385 in Xint0x80_syscall ()


>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: