Date: Wed, 15 Aug 2001 18:11:00 -0400 From: Michael Lucas <mwlucas@blackhelicopters.org> To: Greg Lehey <grog@FreeBSD.org> Cc: Poul-Henning Kamp <phk@FreeBSD.org>, current@FreeBSD.org Subject: Re: devfs and Vinum (was: any -current && vinum problems?) Message-ID: <20010815181100.A48748@blackhelicopters.org> In-Reply-To: <20010815102139.A61413@wantadilla.lemis.com>; from grog@FreeBSD.org on Wed, Aug 15, 2001 at 10:21:39AM %2B0930 References: <20010814192609.A44891@blackhelicopters.org> <20010815102139.A61413@wantadilla.lemis.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Aug 15, 2001 at 10:21:39AM +0930, Greg Lehey wrote: > To help localize this problem, could you please try this same thing on > a kernel without devfs? The dump you sent me did not look like a > Vinum bug, as I said in my reply. Sorry, it happens on a non-devfs kernel as well. Since it doesn't appear to be a Vinum bug, I'm taking the liberty of sending the whole thing to -current. (I sent my first dump to Greg in particular, since a Vinum command triggered whatever this is.) You asked what this system was doing at the time: I've copied ps -ax output to http://www.blackhelicopters.org/~mwlucas/ps.out . The system is doing almost nothing at the time. How to reproduce the crash: magpire/etc;vinum create /etc/vinum.conf 2 drives: D alpha State: up /dev/da0s1e A: 384/3551 MB (10%) D beta State: up /dev/da1s1e A: 619/3786 MB (16%) 1 volumes: V test State: up Plexes: 1 Size: 6333 MB 1 plexes: P test.p0 S State: up Subdisks: 2 Size: 6333 MB 2 subdisks: S test.p0.s0 State: up D: alpha Size: 3166 MB S test.p0.s1 State: up D: beta Size: 3166 MB newfs & mount on /mnt. Test via "tar -czvf /mnt/src.tgz /usr/src". Works fine (although is slower than a concatenated vol, I wonder why?) Unmount /mnt. magpire/etc;vinum resetconfig WARNING! This command will completely wipe out your vinum configuration. All data will be lost. If you really want to do this, enter the text NO FUTURE Enter text -> NO FUTURE Read from remote host magpire: Connection reset by peer Connection to magpire closed. pedicular~; BAM! Panic. Here's a copy of my panic trace. Script started on Wed Aug 15 17:57:48 2001 magpire/var/crash;file /boot/kernel/vinum.ko=20 /boot/kernel/vinum.ko: ELF 32-bit LSB shared object, Intel 80386, version 1= (FreeBSD), not stripped magpire/var/crash;file kernel.debug.nodevfs=20 kernel.debug.nodevfs: ELF 32-bit LSB executable, Intel 80386, version 1 (Fr= eeBSD), dynamically linked (uses shared libs), not stripped magpire/var/crash;gdb -k kernel.debug.nodevfs vmcore.3=20 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 4284416 initial pcb at 34b860 panicstr: bremfree: bp 0xcc2a1ae4 not locked panic messages: --- Fatal trap 12: page fault while in kernel mode fault virtual address =3D 0xc fault code =3D supervisor read, page not present instruction pointer =3D 0x8:0xc01f0783 stack pointer =3D 0x10:0xd6146ea8 frame pointer =3D 0x10:0xd6146eb4 code segment =3D base 0x0, limit 0xfffff, type 0x1b =3D DPL 0, pres 1, def32 1, gran 1 processor eflags =3D interrupt enabled, resume, IOPL =3D 0 current process =3D 699 (vinum) trap number =3D 12 panic: page fault syncing disks... panic: bremfree: bp 0xcc2a1ae4 not locked Uptime: 52m9s dumping to dev #ad/0x20021, offset 1048704 dump ata2: 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 47= 4 473 472 471 470 469 468 467 466 465 464 463 462 461 460 459 458 457 456 4= 55 454 453 452 451 450 449 448 447 446 445 444 443 442 441 440 439 438 437 = 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 39= 9 398 397 396 395 394 393 392 391 390 389 388 387 386 385 384 383 382 381 3= 80 379 378 377 376 375 374 373 372 371 370 369 368 367 366 365 364 363 362 = 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 32= 4 323 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 3= 05 304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 = 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 24= 9 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 233 232 231 2= 30 229 228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 = 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 17= 4 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 1= 55 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 = 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=20 --- #0 dumpsys () at ../../../kern/kern_shutdown.c:478 478 if (dumping++) { (kgdb) f 1 #1 0xc01d2030 in boot (howto=3D0x104) at ../../../kern/kern_shutdown.c:321 321 dumpsys(); (kgdb) bt #0 dumpsys () at ../../../kern/kern_shutdown.c:478 #1 0xc01d2030 in boot (howto=3D0x104) at ../../../kern/kern_shutdown.c:321 #2 0xc01d245d in panic (fmt=3D0xc02e019e "bremfree: bp %p not locked") at = ../../../kern/kern_shutdown.c:600 #3 0xc020995e in bremfree (bp=3D0xcc2a1ae4) at ../../../kern/vfs_bio.c:479 #4 0xc020bfe1 in getblk (vp=3D0xd39b8ec0, blkno=3D0x16190, size=3D0x2000, = slpflag=3D0x0, slptimeo=3D0x0) at ../../../kern/vfs_bio.c:2159 #5 0xc0209a46 in breadn (vp=3D0xd39b8ec0, blkno=3D0x16190, size=3D0x2000, = rablkno=3D0x0, rabsize=3D0x0, cnt=3D0x0, cred=3D0x0,=20 bpp=3D0xd6146d24) at ../../../kern/vfs_bio.c:537 #6 0xc0209a08 in bread (vp=3D0xd39b8ec0, blkno=3D0x16190, size=3D0x2000, c= red=3D0x0, bpp=3D0xd6146d24) at ../../../kern/vfs_bio.c:519 #7 0xc025006d in ffs_update (vp=3D0xd613be20, waitfor=3D0x0) at ../../../u= fs/ffs/ffs_inode.c:101 #8 0xc025bcd2 in ffs_sync (mp=3D0xc1ced400, waitfor=3D0x2, cred=3D0xc1454e= 00, p=3D0xc0384800) at ../../../ufs/ffs/ffs_vfsops.c:1041 #9 0xc0219879 in sync (p=3D0xc0384800, uap=3D0x0) at ../../../kern/vfs_sys= calls.c:620 #10 0xc01d1af4 in boot (howto=3D0x100) at ../../../kern/kern_shutdown.c:230 #11 0xc01d245d in panic (fmt=3D0xc02f5abe "%s") at ../../../kern/kern_shutd= own.c:600 #12 0xc029f21c in trap_fatal (frame=3D0xd6146e68, eva=3D0xc) at ../../../i3= 86/i386/trap.c:935 #13 0xc029ef4d in trap_pfault (frame=3D0xd6146e68, usermode=3D0x0, eva=3D0x= c) at ../../../i386/i386/trap.c:849 #14 0xc029e594 in trap (frame=3D{tf_fs =3D 0xd6140018, tf_es =3D 0xc0340010= , tf_ds =3D 0xc0340010, tf_edi =3D 0xd60e6ec0,=20 tf_esi =3D 0xc1ec4e68, tf_ebp =3D 0xd6146eb4, tf_isp =3D 0xd6146e94, = tf_ebx =3D 0xc034dfc8, tf_edx =3D 0x0,=20 tf_ecx =3D 0xd60e6ec0, tf_eax =3D 0xc0329060, tf_trapno =3D 0xc, tf_e= rr =3D 0x0, tf_eip =3D 0xc01f0783, tf_cs =3D 0x8,=20 tf_eflags =3D 0x10213, tf_esp =3D 0xc1ec4e68, tf_ss =3D 0xc1ec4e00}) = at ../../../i386/i386/trap.c:408 #15 0xc01f0783 in witness_destroy (lock=3D0xc1ec4e68) at ../../../kern/subr= _witness.c:395 #16 0xc01caca3 in mtx_destroy (m=3D0xc1ec4e68) at ../../../kern/kern_mutex.= c:683 #17 0xc01cf249 in crfree (cr=3D0xc1ec4e00) at ../../../kern/kern_prot.c:1266 #18 0xc021b5e2 in access (p=3D0xd60e6ec0, uap=3D0xd6146f80) at ../../../ker= n/vfs_syscalls.c:1738 #19 0xc029fa71 in syscall (frame=3D{tf_fs =3D 0x2f, tf_es =3D 0x2f, tf_ds = =3D 0x2f, tf_edi =3D 0x80bb7f9, tf_esi =3D 0xbfbffa33,=20 tf_ebp =3D 0xbfbffa08, tf_isp =3D 0xd6146fd4, tf_ebx =3D 0xbfbffa28, = tf_edx =3D 0xbfbffa28, tf_ecx =3D 0x0, tf_eax =3D 0x21,=20 tf_trapno =3D 0xc, tf_err =3D 0x2, tf_eip =3D 0x8072c48, tf_cs =3D 0x= 1f, tf_eflags =3D 0x287, tf_esp =3D 0xbfbff5dc,=20 tf_ss =3D 0x2f}) at ../../../i386/i386/trap.c:1128 #20 0xc0291a9d in syscall_with_err_pushed () #21 0x804dd2a in ?? () #22 0x8048757 in ?? () #23 0x80484d0 in ?? () #24 0x8048135 in ?? () (kgdb) quit magpire/var/crash;^D=08=08exit Script done on Wed Aug 15 17:58:48 2001 --=20 Michael Lucas mwlucas@blackhelicopters.org http://www.blackhelicopters.org/~mwlucas/ Big Scary Daemons: http://www.oreillynet.com/pub/q/Big_Scary_Daemons To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20010815181100.A48748>