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
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
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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 conditions.
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 = 00000002; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0
syncing disks...
Fatal trap 12: page fault while in kernel mode
mp_lock = 00000003; cpuid = 0; lapic.id = 00000000
fault virtual address = 0x30
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc01caf5d
stack pointer = 0x10:0xff806dc8
frame pointer = 0x10:0xff806dcc
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = Idle
interrupt mask = net bio cam <- SMP: XXX
trap number = 12
panic: page fault
mp_lock = 00000003; cpuid = 0; lapic.id = 00000000
boot() called on cpu#0
Uptime: 21h50m50s
dumping to dev #ad/0x20001, offset 128
dump ata0: resetting devices .. done
383 382 381 380 379 378 377 376 375 374 373 372 371 370 369 368 367 366 365 364 363 362 361 360 359 358 357 356 355 354 353 352 351 350 349 348 347 346 345 344 343 342 341 340 339 338 337 336 335 334 333 332 331 330 329 328 327 326 325 324 323 322 321 320 319 318 317 316 315 314 313 312 311 310 309 308 307 306 305 304 303 302 301 300 299 298 297 296 295 294 293 292 291 290 289 288 287 286 285 284 283 282 281 280 279 278 277 276 275 274 273 272 271 270 269 268 267 266 265 264 263 262 261 260 259 258 257 256 255 254 253 252 251 250 249 248 247 246 245 244 243 242 241 240 239 238 237 236 235 234 233 232 231 230 229 228 227 226 225 224 223 222 221 220 219 218 217 216 215 214 213 212 211 210 209 208 207 206 205 204 203 202 201 200 199 198 197 196 195 194 193 192 191 190 189 188 187 186 185 184 183 182 181 180 179 178 177 176 175 174 173 172 171 170 169 168 167 166 165 164 163 162 161 160 159 158 157 156 155 154 153 152 151 150 149 148 147 146 145 144 143 142 141 140 139 138 137 136 135 134 133 132 131 130 129 128 127 126 125 124 123 122 121 120 119 118 117 116 115 114 113 112 111 110 109 108 107 106 105 104 103 102 101 100 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 boot (howto=260) at ../../kern/kern_shutdown.c:304
304 dumppcb.pcb_cr3 = rcr3();
(kgdb)
(kgdb) bt
#0 boot (howto=260) at ../../kern/kern_shutdown.c:304
#1 0xc0139d80 in poweroff_wait (junk=0xc0254d0f, howto=0)
at ../../kern/kern_shutdown.c:554
#2 0xc0224493 in trap_fatal (frame=0xff806d88, eva=48)
at ../../i386/i386/trap.c:924
#3 0xc0224129 in trap_pfault (frame=0xff806d88, usermode=0, eva=48)
at ../../i386/i386/trap.c:817
#4 0xc0223d27 in trap (frame={tf_fs = 1309147160, tf_es = -1071513584,
tf_ds = -1071054832, tf_edi = 0, tf_esi = 0, tf_ebp = -8360500,
tf_isp = -8360524, tf_ebx = -1071203172, tf_edx = -1071028192,
tf_ecx = 1, tf_eax = 0, tf_trapno = 12, tf_err = 0,
tf_eip = -1071861923, tf_cs = 8, tf_eflags = 66198, tf_esp = -873842632,
tf_ss = -8360476}) at ../../i386/i386/trap.c:423
#5 0xc01caf5d in acquire_lock (lk=0xc026bc9c) at machine/globals.h:113
#6 0xc01d00f8 in softdep_count_dependencies (bp=0xcbea3838, wantcount=0)
at ../../ufs/ffs/ffs_softdep.c:4535
#7 0xc01d3350 in ffs_fsync (ap=0xff806e48) at ../../ufs/ffs/ffs_vnops.c:168
#8 0xc01d1eaa in ffs_sync (mp=0xc3ff1000, waitfor=2, cred=0xc0de7900,
p=0xc0292a60) at vnode_if.h:537
#9 0xc01657fb in sync (p=0xc0292a60, uap=0x0) at ../../kern/vfs_syscalls.c:549
#10 0xc013979b in boot (howto=256) at ../../kern/kern_shutdown.c:226
#11 0xc0139d80 in poweroff_wait (junk=0xc0255219, howto=0)
at ../../kern/kern_shutdown.c:554
---Type <return> to continue, or q <return> to quit---
#12 0xc022449e in trap_fatal (frame=0xff806f3c, eva=0)
at ../../i386/i386/trap.c:926
#13 0xc0223e62 in trap (frame={tf_fs = -1071513576, tf_es = -1071054832,
tf_ds = -1071054832, tf_edi = 174, tf_esi = -1059196928,
tf_ebp = -8360048, tf_isp = -8360088, tf_ebx = 0, tf_edx = 2147430400,
tf_ecx = -1059196928, tf_eax = -740974592, tf_trapno = 29, tf_err = 0,
tf_eip = -1071912018, tf_cs = 8, tf_eflags = 530, tf_esp = 0,
tf_ss = -1059196928}) at ../../i386/i386/trap.c:586
#14 0xc01bebae in dc_txeof (sc=0xc0ddf000) at ../../pci/if_dc.c:2203
#15 0xc01beeb4 in dc_intr (arg=0xc0ddf000) at ../../pci/if_dc.c:2369
(kgdb)
(kgdb) where
#0 boot (howto=260) at ../../kern/kern_shutdown.c:304
#1 0xc0139d80 in poweroff_wait (junk=0xc0254d0f, howto=0)
at ../../kern/kern_shutdown.c:554
#2 0xc0224493 in trap_fatal (frame=0xff806d88, eva=48)
at ../../i386/i386/trap.c:924
#3 0xc0224129 in trap_pfault (frame=0xff806d88, usermode=0, eva=48)
at ../../i386/i386/trap.c:817
#4 0xc0223d27 in trap (frame={tf_fs = 1309147160, tf_es = -1071513584,
tf_ds = -1071054832, tf_edi = 0, tf_esi = 0, tf_ebp = -8360500,
tf_isp = -8360524, tf_ebx = -1071203172, tf_edx = -1071028192,
tf_ecx = 1, tf_eax = 0, tf_trapno = 12, tf_err = 0,
tf_eip = -1071861923, tf_cs = 8, tf_eflags = 66198, tf_esp = -873842632,
tf_ss = -8360476}) at ../../i386/i386/trap.c:423
#5 0xc01caf5d in acquire_lock (lk=0xc026bc9c) at machine/globals.h:113
#6 0xc01d00f8 in softdep_count_dependencies (bp=0xcbea3838, wantcount=0)
at ../../ufs/ffs/ffs_softdep.c:4535
#7 0xc01d3350 in ffs_fsync (ap=0xff806e48) at ../../ufs/ffs/ffs_vnops.c:168
#8 0xc01d1eaa in ffs_sync (mp=0xc3ff1000, waitfor=2, cred=0xc0de7900,
p=0xc0292a60) at vnode_if.h:537
#9 0xc01657fb in sync (p=0xc0292a60, uap=0x0) at ../../kern/vfs_syscalls.c:549
#10 0xc013979b in boot (howto=256) at ../../kern/kern_shutdown.c:226
#11 0xc0139d80 in poweroff_wait (junk=0xc0255219, howto=0)
at ../../kern/kern_shutdown.c:554
---Type <return> to continue, or q <return> to quit---
#12 0xc022449e in trap_fatal (frame=0xff806f3c, eva=0)
at ../../i386/i386/trap.c:926
#13 0xc0223e62 in trap (frame={tf_fs = -1071513576, tf_es = -1071054832,
tf_ds = -1071054832, tf_edi = 174, tf_esi = -1059196928,
tf_ebp = -8360048, tf_isp = -8360088, tf_ebx = 0, tf_edx = 2147430400,
tf_ecx = -1059196928, tf_eax = -740974592, tf_trapno = 29, tf_err = 0,
tf_eip = -1071912018, tf_cs = 8, tf_eflags = 530, tf_esp = 0,
tf_ss = -1059196928}) at ../../i386/i386/trap.c:586
#14 0xc01bebae in dc_txeof (sc=0xc0ddf000) at ../../pci/if_dc.c:2203
#15 0xc01beeb4 in dc_intr (arg=0xc0ddf000) at ../../pci/if_dc.c:2369
(kgdb)
---
Howard Leadmon - howardl@abs.net - http://www.abs.net
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