Re: panic after new device layering commit

[Emiel Kollof <coolvibe@xxxxxxxxxxxxxxxx>]

* Emiel Kollof (coolvibe@xxxxxxxxxxxxxxxx) wrote:
> 
> It paniced at dsp_open, I will get a backtrace. Since it happened at
> dsp_open, I'll check out if I can trigger this panic again.

The backtrace is attached to this mail.

Cheers,
Emiel
-- 
"I have to convince you, or at least snow you ..."
		-- Prof. Romas Aleliunas, CS 435

Script started on Thu May 20 04:24:47 2004
critter# kgdb gdk b -k //usr/src/onbj/usr/src/sys/CRITTER/kernel.debug vmcore.0 

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This GDB was configured as "i386-unknown-dragonfly"...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

1 cpu [ff800000,32768]
IdlePTD at phsyical address 0x00702000
PCB @0041af20 EIP=c01d62c2 ESP=cff53788 EBP=cff53794
initial pcb at physical address 0x0041af20
panicstr: from debugger
panic messages:
---
panic: impossible devtype 0
panic: from debugger
Uptime: 14m42s

dumping to dev #ad/0x30001, offset 1048608
dump ata0: 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:500
500		if (dumping++) {
(kgdb) bt
#0  dumpsys () at /usr/src/sys/kern/kern_shutdown.c:500
#1  0xc01d60b7 in boot (howto=260) at /usr/src/sys/kern/kern_shutdown.c:333
#2  0xc01d64e8 in poweroff_wait (junk=0xc036780a, howto=-806012792)
    at /usr/src/sys/kern/kern_shutdown.c:612
#3  0xc01620c5 in db_panic (addr=-1070390200, have_addr=0, count=-1, 
    modif=0xcff53810 "") at /usr/src/sys/ddb/db_command.c:450
#4  0xc0162063 in db_command (last_cmdp=0xc03c5e84, cmd_table=0xc03c5ca4, 
    aux_cmd_tablep=0xc03bde14, aux_cmd_tablep_end=0xc03bde18)
    at /usr/src/sys/ddb/db_command.c:346
#5  0xc016212f in db_command_loop () at /usr/src/sys/ddb/db_command.c:472
#6  0xc01646ed in db_trap (type=3, code=0) at /usr/src/sys/ddb/db_trap.c:72
#7  0xc0332112 in kdb_trap (type=3, code=0, regs=0xcff53908)
    at /usr/src/sys/i386/i386/db_interface.c:161
#8  0xc0343220 in trap (frame={tf_fs = -1048051688, tf_es = -924909552, 
      tf_ds = -1048051696, tf_edi = 1, tf_esi = 256, tf_ebp = -806012592, 
      tf_isp = -806012620, tf_ebx = -1069889907, tf_edx = 0, 
      tf_ecx = -924888544, tf_eax = 18, tf_trapno = 3, tf_err = 0, 
      tf_eip = -1070390200, tf_cs = 8, tf_eflags = 2097734, 
      tf_esp = -1069863201, tf_ss = -1070087603})
    at /usr/src/sys/i386/i386/trap.c:691
#9  0xc0332448 in Debugger (msg=0xc037c24d "panic") at machine/cpufunc.h:68
#10 0xc01d64df in panic (fmt=0xc03ac68d "impossible devtype %d")
    at /usr/src/sys/kern/kern_shutdown.c:610
#11 0xc031450e in dsp_open (i_dev=0xc1706f08, flags=3, mode=8192, 
---Type <return> to continue, or q <return> to quit---
    td=0xc8df5220) at /usr/src/sys/dev/sound/pcm/dsp.c:220
#12 0xc01c65d9 in cdevsw_putport (port=0xc041a0a0, lmsg=0xcff539d4)
    at /usr/src/sys/kern/kern_device.c:108
#13 0xc01db32d in lwkt_domsg (port=0xc041a0a0, msg=0xcff539d4)
    at /usr/src/sys/sys/msgport2.h:83
#14 0xc01c66d8 in dev_dopen (dev=0xc1706f08, oflags=3, devtype=8192, 
    td=0xc8df5220) at /usr/src/sys/kern/kern_device.c:179
#15 0xc02175da in spec_open (ap=0xcff53a9c)
    at /usr/src/sys/vfs/specfs/spec_vnops.c:233
#16 0xc021744d in spec_vnoperate (ap=0xcff53a9c)
    at /usr/src/sys/vfs/specfs/spec_vnops.c:124
#17 0xc02be0e9 in ufs_vnoperatespec (ap=0xcff53a9c)
    at /usr/src/sys/vfs/ufs/ufs_vnops.c:2300
#18 0xc02132e4 in vn_open (ndp=0xcff53bb8, fmode=3, cmode=0) at vnode_if.h:258
#19 0xc020ee08 in kern_open (nd=0xcff53bb8, oflags=2, mode=0, res=0xcff53c6c)
    at /usr/src/sys/kern/vfs_syscalls.c:982
#20 0xc020f15b in open (uap=0xcff53c40)
    at /usr/src/sys/kern/vfs_syscalls.c:1098
#21 0xc0343b16 in syscall2 (frame={tf_fs = 47, tf_es = 47, tf_ds = 47, 
      tf_edi = 2, tf_esi = 0, tf_ebp = -1077939004, tf_isp = -806011532, 
      tf_ebx = 688436744, tf_edx = 2, tf_ecx = 134754721, tf_eax = 5, 
      tf_trapno = 0, tf_err = 2, tf_eip = 688169784, tf_cs = 31, 
      tf_eflags = 2097811, tf_esp = -1077939048, tf_ss = 47})
    at /usr/src/sys/i386/i386/trap.c:1297
---Type <return> to continue, or q <return> to quit---
#22 0xc033311a in Xint0x80_syscall ()
#23 0x29045b6b in ?? ()
#24 0x299147bc in ?? ()
#25 0x29915db8 in ?? ()
#26 0x29914396 in ?? ()
#27 0x299158d3 in ?? ()
#28 0x299139b6 in ?? ()
#29 0x2990c655 in ?? ()
#30 0x804d062 in ?? ()
#31 0x804dfa4 in ?? ()
#32 0x804e4ed in ?? ()
#33 0x804f506 in ?? ()
#34 0x804b622 in ?? ()
(kgdb) quit
critter# exit

exit

Script done on Thu May 20 04:25:32 2004