Date: Tue, 5 Feb 2002 08:40:04 +0100 From: Miklos Niedermayer <mico@bsd.hu> To: Chris BeHanna <behanna@zbzoom.net> Cc: FreeBSD-Stable <stable@freebsd.org> Subject: lockmgr: locking against myself (was Re: 4.5 panic) Message-ID: <20020205084004.A365@bsd.hu> In-Reply-To: <20020204235441.S77182-100000@topperwein.dyndns.org> References: <20020202124805.A384@bsd.hu> <20020204235441.S77182-100000@topperwein.dyndns.org>
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Hi,
On Mon, Feb 04, 2002 at 11:55:26PM -0500, Chris BeHanna wrote:
> Just a WAG, but have you built an SMP kernel for a UP machine?
No, it's an UP kernel. Kernel config is attached. I can make vmcore
and kernel.debug available if anyone has time to take a look at it, as this
would be a production server if the crashes didn't happen :(
______ o _. __
/ / / (_(_(__(_) @ bsd.hu
--tThc/1wpZn/ma/RB
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Content-Disposition: attachment; filename=Lappi
machine i386
cpu I686_CPU
ident Lappi
maxusers 0
makeoptions DEBUG=-g
options MAXDSIZ="(512*1024*1024)"
options MAXSSIZ="(512*1024*1024)"
options DFLDSIZ="(256*1024*1024)"
options INET #InterNETworking
options INET6 #IPv6 communications protocols
options FFS #Berkeley Fast Filesystem
options FFS_ROOT #FFS usable as root device [keep this!]
options SOFTUPDATES #Enable FFS soft updates support
options MFS #Memory Filesystem
options CD9660 #ISO 9660 Filesystem
options PROCFS #Process filesystem
options COMPAT_43 #Compatible with BSD 4.3 [KEEP THIS!]
options SCSI_DELAY=5000 #Delay (in ms) before probing SCSI
options SYSVSHM #SYSV-style shared memory
options SYSVMSG #SYSV-style message queues
options SYSVSEM #SYSV-style semaphores
options P1003_1B #Posix P1003_1B real-time extensions
options _KPOSIX_PRIORITY_SCHEDULING
options ICMP_BANDLIM #Rate limit bad replies
options KBD_INSTALL_CDEV # install a CDEV entry in /dev
# Firewall
options IPFILTER
options IPFILTER_LOG
options TCP_DROP_SYNFIN
options ICMP_BANDLIM #Rate limit bad replies
options NMBCLUSTERS=16384
options NBUF=4096
device isa
device pci
# ATA and ATAPI devices
device ata0 at isa? port IO_WD1 irq 14
device ata1 at isa? port IO_WD2 irq 15
device ata
device atadisk # ATA disk drives
device atapicd # ATAPI CDROM drives
device atapifd # ATAPI floppy drives
device atapist # ATAPI tape drives
options ATA_STATIC_ID #Static device numbering
# SCSI Controllers
device ahc # AHA2940 and onboard AIC7xxx devices
options SYM_SETUP_LP_PROBE_MAP=0x40
# SCSI peripherals
device scbus # SCSI bus (required)
device da # Direct Access (disks)
device sa # Sequential Access (tape etc)
device cd # CD
device pass # Passthrough device (direct SCSI access)
# atkbdc0 controls both the keyboard and the PS/2 mouse
device atkbdc0 at isa? port IO_KBD
device atkbd0 at atkbdc? irq 1 flags 0x1
device psm0 at atkbdc? irq 12
device vga0 at isa?
pseudo-device splash
device sc0 at isa? flags 0x100
device npx0 at nexus? port IO_NPX irq 13
device apm0 at nexus? disable flags 0x20 # Advanced Power Management
# Serial (COM) ports
device sio0 at isa? port IO_COM1 flags 0x10 irq 4
device sio1 at isa? port IO_COM2 irq 3
device sio2 at isa? disable port IO_COM3 irq 5
device sio3 at isa? disable port IO_COM4 irq 9
device rl # RealTek 8129/8139
device dc
device tx
device miibus
pseudo-device loop # Network loopback
pseudo-device ether # Ethernet support
pseudo-device sl 1 # Kernel SLIP
pseudo-device ppp 1 # Kernel PPP
pseudo-device tun # Packet tunnel.
pseudo-device pty # Pseudo-ttys (telnet etc)
pseudo-device md # Memory "disks"
pseudo-device gif # IPv6 and IPv4 tunneling
pseudo-device faith 1 # IPv6-to-IPv4 relaying (translation)
pseudo-device bpf #Berkeley packet filter
pseudo-device vn
options HZ=1000
options RANDOM_IP_ID
options ACCEPT_FILTER_HTTP
options UFS_DIRHASH
options QUOTA
--tThc/1wpZn/ma/RB
Content-Type: text/plain; charset=us-ascii
Content-Disposition: attachment; filename="gdb.out"
Content-Transfer-Encoding: quoted-printable
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 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"...
IdlePTD at phsyical address 0x003be000
initial pcb at physical address 0x002af480
panicstr: lockmgr: locking against myself
panic messages:
---
panic: lockmgr: locking against myself
syncing disks... 90 22 10 7 5 2=20
done
Uptime: 3d21h37m24s
dumping to dev #da/0x20009, offset 524448
dump 767 766 765 764 763 762 761 760 759 758 757 756 755 754 753 752 751 75=
0 749 748 747 746 745 744 743 742 741 740 739 738 737 736 735 734 733 732 7=
31 730 729 728 727 726 725 724 723 722 721 720 719 718 717 716 715 714 713 =
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 67=
5 674 673 672 671 670 669 668 667 666 665 664 663 662 661 660 659 658 657 6=
56 655 654 653 652 651 650 649 648 647 646 645 644 643 642 641 640 639 638 =
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 60=
0 599 598 597 596 595 594 593 592 591 590 589 588 587 586 585 584 583 582 5=
81 580 579 578 577 576 575 574 573 572 571 570 569 568 567 566 565 564 563 =
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 52=
5 524 523 522 !
521 520 519 518 517 516 515 514 51
3 512 511 510 509 508 507 506 505 504 503 502 501 500 499 498 497 496 495 4=
94 493 492 491 490 489 488 487 486 485 484 483 482 481 480 479 478 477 476 =
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 43=
8 437 436 435 434 433 432 431 430 429 428 427 426 425 424 423 422 421 420 4=
19 418 417 416 415 414 413 412 411 410 409 408 407 406 405 404 403 402 401 =
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 36=
3 362 361 360 359 358 357 356 355 354 353 352 351 350 349 348 347 346 345 3=
44 343 342 341 340 339 338 337 336 335 334 333 332 331 330 329 328 327 326 =
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 28=
8 287 286 285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 2=
69 268 267 266!
265 264 263 262 261 260 259 258 2
57 256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239 =
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 20=
1 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 1=
82 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 =
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 12=
6 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 1=
07 106 105 104 103 102 101 100 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=20
---
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:474
474 printf("Dump already in progress, bailing...\n");
(kgdb) where
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:474
#1 0xc016c3b0 in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c:3=
13
#2 0xc016c79c in poweroff_wait (junk=3D0xc0267900, howto=3D-1070893428)
at /usr/src/sys/kern/kern_shutdown.c:582
#3 0xc0166e0f in lockmgr (lkp=3D0xc02b76bc, flags=3D2, interlkp=3D0x0, p=
=3D0xda378920)
at /usr/src/sys/kern/kern_lock.c:337
#4 0xc02115a8 in vm_map_remove (map=3D0xc02b768c, start=3D3751591936,=20
end=3D3755786240) at /usr/src/sys/vm/vm_map.c:1949
#5 0xc020f376 in kmem_free (map=3D0xc02b768c, addr=3D3751591936, size=3D41=
94304)
at /usr/src/sys/vm/vm_kern.c:233
#6 0xc0324e7a in ?? ()
#7 0xc032524d in ?? ()
#8 0xc023dd9a in set_mode (scp=3D0xc02bf980)
at /usr/src/sys/dev/syscons/syscons.c:3285
#9 0xc023c152 in restore_scrn_saver_mode (scp=3D0xc02bf980, changemode=3D1)
at /usr/src/sys/dev/syscons/syscons.c:1989
#10 0xc023bf5d in scsplash_saver (sc=3D0xc02c4f00, show=3D0)
at /usr/src/sys/dev/syscons/syscons.c:1876
#11 0xc023c1bb in stop_scrn_saver (sc=3D0xc02c4f00,=20
saver=3D0xc023bea0 <scsplash_saver>)
at /usr/src/sys/dev/syscons/syscons.c:2007
#12 0xc023b9ee in scrn_timer (arg=3D0xc02c4f00)
at /usr/src/sys/dev/syscons/syscons.c:1648
#13 0xc017223d in softclock () at /usr/src/sys/kern/kern_timeout.c:131
#14 0xc0242860 in splz_swi ()
#15 0xc0249df7 in pmap_remove_pte (pmap=3D0xc02c4a60, ptq=3D0xbff7f8ec,=20
va=3D3756240896) at /usr/src/sys/i386/i386/pmap.c:1678
#16 0xc0249f3e in pmap_remove (pmap=3D0xc02c4a60, sva=3D3756240896, eva=3D3=
756257280)
at /usr/src/sys/i386/i386/pmap.c:1802
---Type <return> to continue, or q <return> to quit---
#17 0xc02114d8 in vm_map_delete (map=3D0xc02b768c, start=3D3756240896,=20
end=3D3756257280) at /usr/src/sys/vm/vm_map.c:1903
#18 0xc02115cd in vm_map_remove (map=3D0xc02b768c, start=3D3756240896,=20
end=3D3756257280) at /usr/src/sys/vm/vm_map.c:1951
#19 0xc020f376 in kmem_free (map=3D0xc02b768c, addr=3D3756240896, size=3D16=
384)
at /usr/src/sys/vm/vm_kern.c:233
#20 0xc017d51d in pipe_free_kmem (cpipe=3D0xdf198620)
at /usr/src/sys/kern/sys_pipe.c:1165
#21 0xc017d69b in pipeclose (cpipe=3D0xdf198620)
at /usr/src/sys/kern/sys_pipe.c:1221
#22 0xc017d4de in pipe_close (fp=3D0xc5588cc0, p=3D0xda378920)
at /usr/src/sys/kern/sys_pipe.c:1152
#23 0xc0162b9c in fdrop (fp=3D0xc5588cc0, p=3D0xda378920)
at /usr/src/sys/sys/file.h:217
#24 0xc0162ae3 in closef (fp=3D0xc5588cc0, p=3D0xda378920)
at /usr/src/sys/kern/kern_descrip.c:1220
#25 0xc0162021 in close (p=3D0xda378920, uap=3D0xda380f80)
at /usr/src/sys/kern/kern_descrip.c:581
#26 0xc024ce62 in syscall2 (frame=3D{tf_fs =3D 47, tf_es =3D 47, tf_ds =3D =
47,=20
tf_edi =3D 0, tf_esi =3D 672995984, tf_ebp =3D -1077937928,=20
tf_isp =3D -633860140, tf_ebx =3D 672922148, tf_edx =3D 0, tf_ecx =3D=
672995984,=20
tf_eax =3D 6, tf_trapno =3D 7, tf_err =3D 2, tf_eip =3D 672876044, tf=
_cs =3D 31,=20
tf_eflags =3D 647, tf_esp =3D -1077937972, tf_ss =3D 47})
at /usr/src/sys/i386/i386/trap.c:1157
#27 0xc02413a5 in Xint0x80_syscall ()
#28 0x281a2328 in ?? ()
#29 0x28084b47 in ?? ()
#30 0x28084936 in ?? ()
#31 0x280bd2a0 in ?? ()
---Type <return> to continue, or q <return> to quit---
#32 0x280bcd34 in ?? ()
#33 0x28081965 in ?? ()
#34 0x2807fe71 in ?? ()
#35 0x2807ffa5 in ?? ()
#36 0x2807fdd5 in ?? ()
#37 0x28092e93 in ?? ()
#38 0x28094bb8 in ?? ()
#39 0x2809485f in ?? ()
#40 0x280955fa in ?? ()
#41 0x80484ea in ?? ()
#42 0x8048445 in ?? ()
(kgdb) up
#1 0xc016c3b0 in boot (howto=3D256) at /usr/src/sys/kern/kern_shutdown.c:3=
13
313 dumpsys();
(kgdb) up
#2 0xc016c79c in poweroff_wait (junk=3D0xc0267900, howto=3D-1070893428)
at /usr/src/sys/kern/kern_shutdown.c:582
582 }
(kgdb) up
#3 0xc0166e0f in lockmgr (lkp=3D0xc02b76bc, flags=3D2, interlkp=3D0x0, p=
=3D0xda378920)
at /usr/src/sys/kern/kern_lock.c:337
337 if ((extflags & LK_CANRECURSE) !=3D 0) {
(kgdb) list
332 /*
333 * Recursive lock.
334 */
335 if ((extflags & (LK_NOWAIT | LK_CANRECURSE)) =3D=3D 0)
336 panic("lockmgr: locking against myself");
337 if ((extflags & LK_CANRECURSE) !=3D 0) {
338 lkp->lk_exclusivecount++;
339 COUNT(p, 1);
340 break;
341 }
(kgdb) up
#4 0xc02115a8 in vm_map_remove (map=3D0xc02b768c, start=3D3751591936,=20
end=3D3755786240) at /usr/src/sys/vm/vm_map.c:1949
1949=09
(kgdb) list=08 =08=08 =08=08 =08=08 =08=07=07=07=07=07=07=07=07=07=07=07up
#5 0xc020f376 in kmem_free (map=3D0xc02b768c, addr=3D3751591936, size=3D41=
94304)
at /usr/src/sys/vm/vm_kern.c:233
233 (void) vm_map_remove(map, trunc_page(addr), round_page(addr + size));
(kgdb) up
#6 0xc0324e7a in ?? ()
(kgdb) up
#7 0xc032524d in ?? ()
(kgdb) up
#8 0xc023dd9a in set_mode (scp=3D0xc02bf980)
at /usr/src/sys/dev/syscons/syscons.c:3285
3285 sc_vtb_init(&scp->scr, VTB_FRAMEBUFFER, scp->xsize, scp->ysize,
(kgdb) quit
--tThc/1wpZn/ma/RB--
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