Date: Thu, 23 Mar 2000 17:08:23 -0500 From: Mathew Kanner <mat@cs.mcgill.ca> To: Matthew Dillon <dillon@apollo.backplane.com> Cc: Greg Lehey <grog@lemis.com>, Soren Schmidt <sos@freebsd.dk>, freebsd-current@FreeBSD.ORG Subject: Re: ata + vinum problems Message-ID: <20000323170822.A5061@cs.mcgill.ca> In-Reply-To: Matthew Dillon's message [Re: ata %2B vinum problems] as of Thu, Mar 23, 2000 at 01:10:21PM -0800 References: <20000314182259.I17156@cs.mcgill.ca> <200003150829.JAA22516@freebsd.dk> <20000315095930.A7309@cs.mcgill.ca> <20000315162903.A10174@cs.mcgill.ca> <20000315165410.A3663@mojave.worldwide.lemis.com> <20000315201301.A20777@cs.mcgill.ca> <20000323153016.A29708@cs.mcgill.ca> <200003232110.NAA04208@apollo.backplane.com>
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On Mar 23, Matthew Dillon wrote:
> Oh, addendum... I didn't see this email regarding an actual panic.
>=20
> There are two problems here, one of which (the nbufkv lockup) should
> be solved by my previous email.
>=20
> The second problem is this panic you are reporting, and I have no idea
> what is causing it so this issue remains open. It could be softupdat=
es,
> it could be vinum, or it could be the ATA driver.
>=20
> What you need to do to help solve the panic is to gdb a debug version
> of the kernel image rather then the non debug version so the stack
> backtrace contains source line numbers and such.
>=20
> -Matt
> Matthew Dillon=20
> <dillon@backplane.com>
Included is a better backtrace. This does not include the
patch that you suggested, I will do that tommorow.
Thanks,
--Mat
Script started on Thu Mar 23 17:07:47 2000
bash-2.03# gdk=08 =08b -k
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".
(kgdb) exec-file v=08 =08kernel.3
(kgdb) c=08 =08symbol-file /usr/sr/=08 =08c/sys/compile/KAZE/kernel.debug
Reading symbols from /usr/src/sys/compile/KAZE/kernel.debug...done.
(kgdb) core-file vmcore.3
IdlePTD 4157440
initial pcb at 364ec0
panicstr: page fault
panic messages:
---
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0x2c
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc0175f96
stack pointer =3D 0x10:0xc0321948
frame pointer =3D 0x10:0xc0321948
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 Idle
interrupt mask =3D bio=20
trap number =3D 12
panic: page fault
syncing disks...=20
Fatal trap 12: page fault while in kernel mode
fault virtual address =3D 0x30
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc025e120
stack pointer =3D 0x10:0xc0321780
frame pointer =3D 0x10:0xc0321784
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 Idle
interrupt mask =3D bio=20
trap number =3D 12
panic: page fault
Uptime: 5m27s
dumping to dev #ad/0x20001, offset 3047552
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=20
---
#0 boot (howto=3D260) at ../../kern/kern_shutdown.c:304
304 dumppcb.pcb_cr3 =3D rcr3();
(kgdb) where
#0 boot (howto=3D260) at ../../kern/kern_shutdown.c:304
#1 0xc017fa18 in poweroff_wait (junk=3D0xc0317dcf, howto=3D0)
at ../../kern/kern_shutdown.c:554
#2 0xc02ba969 in trap_fatal (frame=3D0xc0321740, eva=3D48)
at ../../i386/i386/trap.c:924
#3 0xc02ba641 in trap_pfault (frame=3D0xc0321740, usermode=3D0, eva=3D48)
at ../../i386/i386/trap.c:817
#4 0xc02ba237 in trap (frame=3D{tf_fs =3D -1070465008, tf_es =3D -10722344=
80,=20
tf_ds =3D -1028718576, tf_edi =3D 0, tf_esi =3D 0, tf_ebp =3D -107045=
9004,=20
tf_isp =3D -1070459028, tf_ebx =3D -1070357604, tf_edx =3D 1074283584=
,=20
tf_ecx =3D -1030721521, tf_eax =3D 0, tf_trapno =3D 12, tf_err =3D 0,=
=20
tf_eip =3D -1071259360, tf_cs =3D 8, tf_eflags =3D 66050, tf_esp =3D =
-856665792,=20
tf_ss =3D -1070458980}) at ../../i386/i386/trap.c:423
#5 0xc025e120 in acquire_lock (lk=3D0xc033a39c)
at ../../ufs/ffs/ffs_softdep.c:282
#6 0xc0263290 in softdep_count_dependencies (bp=3D0xccf05140, wantcount=3D=
0)
at ../../ufs/ffs/ffs_softdep.c:4535
#7 0xc02663c4 in ffs_fsync (ap=3D0xc03217f8) at ../../ufs/ffs/ffs_vnops.c:=
168
#8 0xc0264f73 in ffs_sync (mp=3D0xc2815400, waitfor=3D2, cred=3D0xc10c5900=
,=20
p=3D0xc037c540) at vnode_if.h:537
#9 0xc01aac8f in sync (p=3D0xc037c540, uap=3D0x0) at ../../kern/vfs_syscal=
ls.c:549
#10 0xc017f467 in boot (howto=3D256) at ../../kern/kern_shutdown.c:226
#11 0xc017fa18 in poweroff_wait (junk=3D0xc0317dcf, howto=3D0)
at ../../kern/kern_shutdown.c:554
---Type <return> to continue, or q <return> to quit---
#12 0xc02ba969 in trap_fatal (frame=3D0xc0321908, eva=3D44)
at ../../i386/i386/trap.c:924
#13 0xc02ba641 in trap_pfault (frame=3D0xc0321908, usermode=3D0, eva=3D44)
at ../../i386/i386/trap.c:817
#14 0xc02ba237 in trap (frame=3D{tf_fs =3D -1030815728, tf_es =3D -10710548=
32,=20
tf_ds =3D 1074266128, tf_edi =3D -825171968, tf_esi =3D -1030754304,=
=20
tf_ebp =3D -1070458552, tf_isp =3D -1070458572, tf_ebx =3D -103075427=
2,=20
tf_edx =3D 23, tf_ecx =3D 0, tf_eax =3D 0, tf_trapno =3D 12, tf_err =
=3D 0,=20
tf_eip =3D -1072210026, tf_cs =3D 8, tf_eflags =3D 66118,=20
tf_esp =3D -1070458496, tf_ss =3D -1032529027}) at ../../i386/i386/tr=
ap.c:423
#15 0xc0175f96 in devsw (dev=3D0x0) at ../../kern/kern_conf.c:79
#16 0xc274db7d in ?? ()
#17 0xc274d3ba in ?? ()
#18 0xc01a329b in biodone (bp=3D0xc28ff020) at ../../kern/vfs_bio.c:2697
#19 0xc02913ee in ad_interrupt (request=3D0xc2abf240)
at ../../dev/ata/ata-disk.c:555
#20 0xc028dde6 in ata_intr (data=3D0xc261f380) at ../../dev/ata/ata-all.c:1=
122
#21 0xc02ccfe1 in intr_mux (arg=3D0xc10be820)
at ../../i386/isa/intr_machdep.c:569
(kgdb) quit
bash-2.03# exit
Script done on Thu Mar 23 17:08:23 2000
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