Date: Sun, 9 Apr 2000 20:02:21 -0400 (EDT) From: Howard Leadmon <howardl@account.abs.net> To: Mike Tancsa <mike@sentex.net> Cc: freebsd-stable@freebsd.org Subject: Re: Troubles with network & buffers.. Any Ideas?? Message-ID: <200004100002.UAA66372@account.abs.net> In-Reply-To: <38edcc1d.210305823@mail.sentex.net> from Mike Tancsa at "Apr 7, 2000 12:00:24 pm"
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FYI, got another crash earlier today as well, so here is a second=20
quick view to see if they are the same. Again if you need any specific
gdb commands run let me know, as I am lost when it gets this deep..
# gdb -k kernel.debug /var/crash/vmcore.0
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"...
SMP 2 cpus
IdlePTD 3096576
initial pcb at 27cfe0
panicstr: page fault
panic messages:
---
panic: unknown/reserved trap
mp_lock =3D 00000002; cpuid =3D 0; lapic.id =3D 00000000
boot() called on cpu#0
syncing disks...=20
Fatal trap 12: page fault while in kernel mode
mp_lock =3D 00000003; cpuid =3D 0; lapic.id =3D 00000000
fault virtual address =3D 0x30
fault code =3D supervisor read, page not present
instruction pointer =3D 0x8:0xc01caf5d
stack pointer =3D 0x10:0xff806dc8
frame pointer =3D 0x10:0xff806dcc
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 net bio cam <- SMP: XXX
trap number =3D 12
panic: page fault
mp_lock =3D 00000003; cpuid =3D 0; lapic.id =3D 00000000
boot() called on cpu#0
Uptime: 21h50m50s
dumping to dev #ad/0x20001, offset 128
dump ata0: resetting devices .. done
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 34=
6 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 330 329 328 3=
27 326 325 324 323 322 321 32=
0 319 318 317 316 315 314 313 312 311 310 309 308 307 306 305 304 303 302 3=
01 300 299 298 297 296 295 294 293 292 291 290 289 288 287 286 285 284 283 =
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=20=
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 21=
9 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 2=
00 199 198 197 196 195 194 19=
3 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 1=
74 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 =
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=20=
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)=20
(kgdb) bt
#0 boot (howto=3D260) at ../../kern/kern_shutdown.c:304
#1 0xc0139d80 in poweroff_wait (junk=3D0xc0254d0f, howto=3D0)
at ../../kern/kern_shutdown.c:554
#2 0xc0224493 in trap_fatal (frame=3D0xff806d88, eva=3D48)
at ../../i386/i386/trap.c:924
#3 0xc0224129 in trap_pfault (frame=3D0xff806d88, usermode=3D0, eva=3D48)
at ../../i386/i386/trap.c:817
#4 0xc0223d27 in trap (frame=3D{tf_fs =3D 1309147160, tf_es =3D -107151358=
4,=20
tf_ds =3D -1071054832, tf_edi =3D 0, tf_esi =3D 0, tf_ebp =3D -836050=
0,=20
tf_isp =3D -8360524, tf_ebx =3D -1071203172, tf_edx =3D -1071028192,=
=20
tf_ecx =3D 1, tf_eax =3D 0, tf_trapno =3D 12, tf_err =3D 0,=20
tf_eip =3D -1071861923, tf_cs =3D 8, tf_eflags =3D 66198, tf_esp =3D =
-873842632,=20
tf_ss =3D -8360476}) at ../../i386/i386/trap.c:423
#5 0xc01caf5d in acquire_lock (lk=3D0xc026bc9c) at machine/globals.h:113
#6 0xc01d00f8 in softdep_count_dependencies (bp=3D0xcbea3838, wantcount=3D=
0)
at ../../ufs/ffs/ffs_softdep.c:4535
#7 0xc01d3350 in ffs_fsync (ap=3D0xff806e48) at ../../ufs/ffs/ffs_vnops.c:=
168
#8 0xc01d1eaa in ffs_sync (mp=3D0xc3ff1000, waitfor=3D2, cred=3D0xc0de7900=
,=20
p=3D0xc0292a60) at vnode_if.h:537
#9 0xc01657fb in sync (p=3D0xc0292a60, uap=3D0x0) at ../../kern/vfs_syscal=
ls.c:549
#10 0xc013979b in boot (howto=3D256) at ../../kern/kern_shutdown.c:226
#11 0xc0139d80 in poweroff_wait (junk=3D0xc0255219, howto=3D0)
at ../../kern/kern_shutdown.c:554
---Type <return> to continue, or q <return> to quit---
#12 0xc022449e in trap_fatal (frame=3D0xff806f3c, eva=3D0)
at ../../i386/i386/trap.c:926
#13 0xc0223e62 in trap (frame=3D{tf_fs =3D -1071513576, tf_es =3D -10710548=
32,=20
tf_ds =3D -1071054832, tf_edi =3D 174, tf_esi =3D -1059196928,=20
tf_ebp =3D -8360048, tf_isp =3D -8360088, tf_ebx =3D 0, tf_edx =3D 21=
47430400,=20
tf_ecx =3D -1059196928, tf_eax =3D -740974592, tf_trapno =3D 29, tf_e=
rr =3D 0,=20
tf_eip =3D -1071912018, tf_cs =3D 8, tf_eflags =3D 530, tf_esp =3D 0,=
=20
tf_ss =3D -1059196928}) at ../../i386/i386/trap.c:586
#14 0xc01bebae in dc_txeof (sc=3D0xc0ddf000) at ../../pci/if_dc.c:2203
#15 0xc01beeb4 in dc_intr (arg=3D0xc0ddf000) at ../../pci/if_dc.c:2369
(kgdb)=20
(kgdb) where
#0 boot (howto=3D260) at ../../kern/kern_shutdown.c:304
#1 0xc0139d80 in poweroff_wait (junk=3D0xc0254d0f, howto=3D0)
at ../../kern/kern_shutdown.c:554
#2 0xc0224493 in trap_fatal (frame=3D0xff806d88, eva=3D48)
at ../../i386/i386/trap.c:924
#3 0xc0224129 in trap_pfault (frame=3D0xff806d88, usermode=3D0, eva=3D48)
at ../../i386/i386/trap.c:817
#4 0xc0223d27 in trap (frame=3D{tf_fs =3D 1309147160, tf_es =3D -107151358=
4,=20
tf_ds =3D -1071054832, tf_edi =3D 0, tf_esi =3D 0, tf_ebp =3D -836050=
0,=20
tf_isp =3D -8360524, tf_ebx =3D -1071203172, tf_edx =3D -1071028192,=
=20
tf_ecx =3D 1, tf_eax =3D 0, tf_trapno =3D 12, tf_err =3D 0,=20
tf_eip =3D -1071861923, tf_cs =3D 8, tf_eflags =3D 66198, tf_esp =3D =
-873842632,=20
tf_ss =3D -8360476}) at ../../i386/i386/trap.c:423
#5 0xc01caf5d in acquire_lock (lk=3D0xc026bc9c) at machine/globals.h:113
#6 0xc01d00f8 in softdep_count_dependencies (bp=3D0xcbea3838, wantcount=3D=
0)
at ../../ufs/ffs/ffs_softdep.c:4535
#7 0xc01d3350 in ffs_fsync (ap=3D0xff806e48) at ../../ufs/ffs/ffs_vnops.c:=
168
#8 0xc01d1eaa in ffs_sync (mp=3D0xc3ff1000, waitfor=3D2, cred=3D0xc0de7900=
,=20
p=3D0xc0292a60) at vnode_if.h:537
#9 0xc01657fb in sync (p=3D0xc0292a60, uap=3D0x0) at ../../kern/vfs_syscal=
ls.c:549
#10 0xc013979b in boot (howto=3D256) at ../../kern/kern_shutdown.c:226
#11 0xc0139d80 in poweroff_wait (junk=3D0xc0255219, howto=3D0)
at ../../kern/kern_shutdown.c:554
---Type <return> to continue, or q <return> to quit---
#12 0xc022449e in trap_fatal (frame=3D0xff806f3c, eva=3D0)
at ../../i386/i386/trap.c:926
#13 0xc0223e62 in trap (frame=3D{tf_fs =3D -1071513576, tf_es =3D -10710548=
32,=20
tf_ds =3D -1071054832, tf_edi =3D 174, tf_esi =3D -1059196928,=20
tf_ebp =3D -8360048, tf_isp =3D -8360088, tf_ebx =3D 0, tf_edx =3D 21=
47430400,=20
tf_ecx =3D -1059196928, tf_eax =3D -740974592, tf_trapno =3D 29, tf_e=
rr =3D 0,=20
tf_eip =3D -1071912018, tf_cs =3D 8, tf_eflags =3D 530, tf_esp =3D 0,=
=20
tf_ss =3D -1059196928}) at ../../i386/i386/trap.c:586
#14 0xc01bebae in dc_txeof (sc=3D0xc0ddf000) at ../../pci/if_dc.c:2203
#15 0xc01beeb4 in dc_intr (arg=3D0xc0ddf000) at ../../pci/if_dc.c:2369
(kgdb)=20
---
Howard Leadmon - howardl@abs.net - http://www.abs.net
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