unionfs related patch

Mon Sep 1 09:23:15 PDT 2003

Hello, Marc G. Fournier!

On Mon, Sep 01, 2003 at 01:16:05PM -0300, you wrote:

> 
> On Mon, 1 Sep 2003, Alexandr Kovalenko wrote:
> 
> > Hello, Alexandr Kovalenko!
> >
> > On Mon, Jun 23, 2003 at 11:19:27AM +0300, you wrote:
> >
> > > >   David Schultz, in his spare time, has been working through some of the
> > > > issues I've been able to 'tweak' in the unionfs code ... as he is
> > > > currently working on forward-patching it to -CURRENT right now, he can't
> > > > commit the code to the -STABLE tree ... in order to allow others using
> > > > unionfs to test the patch (I've been running it a few weeks now on a very
> > > > heavily loaded system), with his permission, I've posted the patch for
> > > > download at:
> > > >
> > > > 	http://www.hub.org/~scrappy/unionfs
> > >
> > > Looks like it pretty stable. I'm running ~10 days with this patch - no
> > > even single panic. Thank you!
> >
> > I was too optimistic. It panics on high loads after 3-10 days.
> > Is there any progress in work on this patch?
> 
> Not same panic then ... she's been rock solid on my servers ... is there a
> core dump?  Any message in messages as to reason for crash?

I haven't made kernel with debug info, maybe I should...

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details.
This GDB was configured as "i386-unknown-freebsd"...(no debugging
symbols found)...
SMP 4 cpus
IdlePTD at phsyical address 0x003e8000
initial pcb at physical address 0x00305fc0
panicstr: ufs_direnter: compact2
panic messages:
---
panic: ufs_direnter: compact2
mp_lock = 01000001; cpuid = 1; lapic.id = 01000000
boot() called on cpu#1

syncing disks... 49 3 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 
giving up on 1 buffers
Uptime: 4d4h57m53s

dumping to dev #da/0x20001, offset 6291456
dump 1024 1023 1022 1021 1020 1019 1018 1017 1016 1015 1014 1013 1012
1011 1010 1009 1008 1007 1006 1005 1004 1003 1002 1001 1000 999 998 997
996 995 994 993 992 991 990 989 988 987 986 985 984 983 982 981 980 979
978 977 976 975 974 973 972 971 970 969 968 967 966 965 964 963 962 961
960 959 958 957 956 955 954 953 952 951 950 949 948 947 946 945 944 943
942 941 940 939 938 937 936 935 934 933 932 931 930 929 928 927 926 925
924 923 922 921 920 919 918 917 916 915 914 913 912 911 910 909 908 907
906 905 904 903 902 901 900 899 898 897 896 895 894 893 892 891 890 889
888 887 886 885 884 883 882 881 880 879 878 877 876 875 874 873 872 871
870 869 868 867 866 865 864 863 862 861 860 859 858 857 856 855 854 853
852 851 850 849 848 847 846 845 844 843 842 841 840 839 838 837 836 835
834 833 832 831 830 829 828 827 826 825 824 823 822 821 820 819 818 817
816 815 814 813 812 811 810 809 808 807 806 805 804 803 802 801 800 799
798 797 796 795 794 793 792 791 790 789 788 787 786 785 784 783 782 781
780 779 778 777 776 775 774 773 772 771 770 769 768 767 766 765 764 763
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
528 527 526 525 524 523 522 521 520 519 518 517 516 515 514 513 512 511
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  0xc0177dfa in dumpsys ()
(kgdb) bt
#0  0xc0177dfa in dumpsys ()
#1  0xc0177bcb in boot ()
#2  0xc0178024 in poweroff_wait ()
#3  0xc0230486 in ufs_direnter ()
#4  0xc02333fb in ufs_rename ()
#5  0xc0234c55 in ufs_vnoperate ()
#6  0xc01b5767 in union_rename ()
#7  0xc01ab553 in rename ()
#8  0xc03b0a06 in ?? ()
#9  0xc028c561 in syscall2 ()
#10 0xc0279b4b in Xint0x80_syscall ()
cannot read proc at 0

-- 
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