Date: Fri, 27 Sep 2002 15:56:06 -0500 From: Paul Smith <paul@cnt.org> To: hackers@freebsd.org Subject: kernel panic in 4.5-STABLE Message-ID: <8A83D227-D25B-11D6-94A3-0003935AF2A4@cnt.org>
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I've been experiencing somewhat periodic panics on my 4.5-STABLE box:
[root@wickerpark crash] # uname -a
FreeBSD wickerpark.cnt.org 4.5-STABLE FreeBSD 4.5-STABLE #0: Thu Aug 29
12:26:05 CDT 2002
paul@wickerpark.cnt.org:/usr/obj/usr/src/sys/WP-DEBUG i386
kgdb output follows:
This GDB was configured as "i386-unknown-freebsd"...
IdlePTD at phsyical address 0x00472000
initial pcb at physical address 0x003b9120
panicstr: page fault
panic messages:
---
Fatal trap 19: non-maskable interrupt trap while in kernel mode
instruction pointer = 0x8:0xc02a9304
stack pointer = 0x10:0xc03833dc
frame pointer = 0x10:0xc03833e8
code segment = base 0x0, limit 0xfffff, type 0x1b
= DPL 0, pres 1, def32 1, gran 1
processor eflags = interrupt enabled, IOPL = 0
current process = Idle
interrupt mask = net tty
trap number = 19
panic: non-maskable interrupt trap
syncing disks...
Fatal trap 12: page fault while in kernel mode
fault virtual address = 0x30
fault code = supervisor read, page not present
instruction pointer = 0x8:0xc02c53c0
stack pointer = 0x10:0xc038322c
frame pointer = 0x10:0xc0383234
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 tty bio
trap number = 12
panic: page fault
Uptime: 7d21h6m32s
dumping to dev #da/0x20001, offset 1572864
dump 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
7170 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 4140 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 1110 9 8 7 6 5 4 3 2 1
---
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
487 if (dumping++) {
(kgdb) where
#0 dumpsys () at /usr/src/sys/kern/kern_shutdown.c:487
#1 0xc01d93db in boot (howto=260) at
/usr/src/sys/kern/kern_shutdown.c:316
#2 0xc01d9819 in panic (fmt=0xc037ac2c "%s") at
/usr/src/sys/kern/kern_shutdown.c:595
#3 0xc030eea7 in trap_fatal (frame=0xc03831ec, eva=48)
at /usr/src/sys/i386/i386/trap.c:966
#4 0xc030eb55 in trap_pfault (frame=0xc03831ec, usermode=0, eva=48)
at /usr/src/sys/i386/i386/trap.c:859
#5 0xc030e6fb in trap (frame={tf_fs = -1070071792, tf_es = 16, tf_ds =
16,
tf_edi = -1069733184, tf_esi = 0, tf_ebp = -1070058956, tf_isp =
-1070058984,
tf_ebx = -1069915716, tf_edx = 6864960, tf_ecx = 2, tf_eax = 0,
tf_trapno = 12,
tf_err = 0, tf_eip = -1070836800, tf_cs = 8, tf_eflags = 66054,
tf_esp = 0,
tf_ss = 0}) at /usr/src/sys/i386/i386/trap.c:458
#6 0xc02c53c0 in acquire_lock (lk=0xc03a61bc) at
/usr/src/sys/ufs/ffs/ffs_softdep.c:266
#7 0xc02c99e2 in softdep_fsync_mountdev (vp=0xcd4cb3c0)
at /usr/src/sys/ufs/ffs/ffs_softdep.c:4024
#8 0xc02cdcea in ffs_fsync (ap=0xc03832a8) at
/usr/src/sys/ufs/ffs/ffs_vnops.c:134
#9 0xc02cc9ab in ffs_sync (mp=0xc1668e00, waitfor=2, cred=0xc0e3c680,
p=0xc03d2ac0)
at vnode_if.h:558
#10 0xc0208f03 in sync (p=0xc03d2ac0, uap=0x0) at
/usr/src/sys/kern/vfs_syscalls.c:576
#11 0xc01d9176 in boot (howto=256) at
/usr/src/sys/kern/kern_shutdown.c:235
#12 0xc01d9819 in panic (fmt=0xc037ac2c "%s") at
/usr/src/sys/kern/kern_shutdown.c:595
#13 0xc030eea7 in trap_fatal (frame=0xc038339c, eva=0)
at /usr/src/sys/i386/i386/trap.c:966
#14 0xc030e88a in trap (frame={tf_fs = 16, tf_es = 16, tf_ds = 16,
tf_edi = -1050948736,
tf_esi = -1050910720, tf_ebp = -1070058520, tf_isp = -1070058552,
tf_ebx = -1050910720, tf_edx = 10240, tf_ecx = 0, tf_eax = 4097,
tf_trapno = 19,
tf_err = 0, tf_eip = -1070951676, tf_cs = 8, tf_eflags = 582,
tf_esp = -1050910720, tf_ss = -1050910720}) at
/usr/src/sys/i386/i386/trap.c:628
#15 0xc02a9304 in dc_reset (sc=0xc15c6000) at machine/cpufunc.h:334
#16 0xc02ab693 in dc_init (xsc=0xc15c6000) at
/usr/src/sys/pci/if_dc.c:3004
#17 0xc02aa92d in dc_rxeof (sc=0xc15c6000) at
/usr/src/sys/pci/if_dc.c:2401
#18 0xc02ab00f in dc_intr (arg=0xc15c6000) at
/usr/src/sys/pci/if_dc.c:2776
--
Paul Smith <paul@cnt.org>
Center for Neighborhood Technology
Chicago, IL USA
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