Date: Sat, 11 Aug 2001 10:49:26 -0400 (EDT) From: Mikhail Teterin <mi@aldan.algebra.com> To: current@freebsd.org Subject: panic: lockmgr: draining against myself (with stack) Message-ID: <200108111449.f7BEnTJ00643@aldan.algebra.com>
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And easily reproducible... All I need is to try to build a couple of
ports in parallel (a lot extracting/patching, I guess, because the
kernel can be built with no problems, even with -j3)...
I first observed this yesterday, but it still happens with the just
cvsup-ed sources. With or without witness/invariants.
The machines is a dual PII-300MHz, with 320Mb of RAM and no
swap.
Here it goes, anyway:
[...]
(kgdb) core-file /ccd/crash/vmcore.18
IdlePTD 5357568
initial pcb at 40e1c0
panicstr: bremfree: bp 0xc7ca79e4 not locked
panic messages:
---
panic: lockmgr: draining against myself
cpuid = 0; lapic.id = 01000000
boot() called on cpu#0
syncing disks... panic: bremfree: bp 0xc7ca79e4 not locked
cpuid = 0; lapic.id = 01000000
boot() called on cpu#0
Uptime: 6m21s
dumping to dev da0b, offset 131200
dump 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 2
1 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
---
#0 dumpsys () at ../../../kern/kern_shutdown.c:478
478 if (dumping++) {
(kgdb) where
#0 dumpsys () at ../../../kern/kern_shutdown.c:478
#1 0xc021e008 in boot (howto=260) at ../../../kern/kern_shutdown.c:321
#2 0xc021e474 in poweroff_wait (junk=0xc0383fde, howto=-943031836)
at ../../../kern/kern_shutdown.c:600
#3 0xc02588f2 in bremfree (bp=0xc7ca79e4) at ../../../kern/vfs_bio.c:479
#4 0xc025a052 in vfs_bio_awrite (bp=0xc7ca79e4)
at ../../../kern/vfs_bio.c:1472
#5 0xc01f4a24 in spec_fsync (ap=0xcf72198c)
at ../../../fs/specfs/spec_vnops.c:400
#6 0xc01f4605 in spec_vnoperate (ap=0xcf72198c)
at ../../../fs/specfs/spec_vnops.c:119
#7 0xc02e3404 in ffs_sync (mp=0xc16d0000, waitfor=2, cred=0xc1028b00,
p=0xc0457f20) at vnode_if.h:441
#8 0xc02683b1 in sync (p=0xc0457f20, uap=0x0)
at ../../../kern/vfs_syscalls.c:620
#9 0xc021da98 in boot (howto=256) at ../../../kern/kern_shutdown.c:230
#10 0xc021e474 in poweroff_wait (junk=0xc037cb20, howto=-815042336)
at ../../../kern/kern_shutdown.c:600
#11 0xc02136ee in lockmgr (lkp=0xcf866d5c, flags=65543, interlkp=0xcf866d2c,
p=0xcf6b70e0) at ../../../kern/kern_lock.c:443
#12 0xc025f3a5 in vop_stdlock (ap=0xcf721aa4)
at ../../../kern/vfs_default.c:252
#13 0xc02efa01 in ufs_vnoperate (ap=0xcf721aa4)
at ../../../ufs/ufs/ufs_vnops.c:2630
#14 0xc0264a36 in vclean (vp=0xcf866cc0, flags=8, p=0xcf6b70e0)
at vnode_if.h:693
#15 0xc02650f0 in vgonel (vp=0xcf866cc0, p=0xcf6b70e0)
at ../../../kern/vfs_subr.c:1975
#16 0xc0264f82 in vrecycle (vp=0xcf866cc0, inter_lkp=0x0, p=0xcf6b70e0)
at ../../../kern/vfs_subr.c:1930
#17 0xc02e91a4 in ufs_inactive (ap=0xcf721b44)
at ../../../ufs/ufs/ufs_inode.c:126
#18 0xc02efa01 in ufs_vnoperate (ap=0xcf721b44)
at ../../../ufs/ufs/ufs_vnops.c:2630
#19 0xc02640bb in vput (vp=0xcf866cc0) at vnode_if.h:654
#20 0xc02dd167 in handle_workitem_freeblocks (freeblks=0xc1acc980, flags=0)
at ../../../ufs/ffs/ffs_softdep.c:2245
#21 0xc02dc945 in softdep_setup_freeblocks (ip=0xc1d5b800, length=0)
at ../../../ufs/ffs/ffs_softdep.c:1846
#22 0xc02d77da in ffs_truncate (vp=0xcf866cc0, length=0, flags=0, cred=0x0,
p=0xcf6b70e0) at ../../../ufs/ffs/ffs_inode.c:202
#23 0xc02e90d6 in ufs_inactive (ap=0xcf721e28)
at ../../../ufs/ufs/ufs_inode.c:95
#24 0xc02efa01 in ufs_vnoperate (ap=0xcf721e28)
at ../../../ufs/ufs/ufs_vnops.c:2630
#25 0xc0263ea5 in vrele (vp=0xcf866cc0) at vnode_if.h:654
#26 0xc02ecceb in ufs_close (ap=0xcf721e78) at ../../../ufs/ufs/ufs_vnops.c:318
#27 0xc02efa01 in ufs_vnoperate (ap=0xcf721e78)
at ../../../ufs/ufs/ufs_vnops.c:2630
#28 0xc026db44 in vn_close (vp=0xcf866cc0, flags=1, cred=0xc19fef00,
p=0xcf6b70e0) at vnode_if.h:183
#29 0xc026e592 in vn_closefile (fp=0xc1b6f200, p=0xcf6b70e0)
at ../../../kern/vfs_vnops.c:671
#30 0xc0206a38 in fdrop (fp=0xc1b6f200, p=0xcf6b70e0)
at ../../../sys/file.h:217
#31 0xc020697f in closef (fp=0xc1b6f200, p=0xcf6b70e0)
at ../../../kern/kern_descrip.c:1215
#32 0xc0205ee1 in close (p=0xcf6b70e0, uap=0xcf721f80)
at ../../../kern/kern_descrip.c:583
#33 0xc0335361 in syscall (frame={tf_fs = 47, tf_es = 47, tf_ds = 47,
tf_edi = 0, tf_esi = 673286304, tf_ebp = -1077939352,
tf_isp = -814604332, tf_ebx = 673209520, tf_edx = 134543744,
tf_ecx = 134579656, tf_eax = 6, tf_trapno = 0, tf_err = 2,
tf_eip = 672815808, tf_cs = 31, tf_eflags = 647, tf_esp = -1077939396,
tf_ss = 47}) at ../../../i386/i386/trap.c:1128
#34 0xc0321b7d in syscall_with_err_pushed ()
#35 0x281e5170 in ?? ()
#36 0x2808c6cc in ?? ()
#37 0x2808c4e0 in ?? ()
#38 0x2808d7f5 in ?? ()
#39 0x280cb177 in ?? ()
#40 0x280c8832 in ?? ()
#41 0x28112cad in ?? ()
#42 0x2810eb00 in ?? ()
#43 0x2810e7cf in ?? ()
#44 0x80492c1 in ?? ()
Anything else? Let me know...
--
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keep it in a secret! _|/ ::::____::\|_ the wall with your head
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| :|:::::. ::|: |::|.:| Stanislaw J. Lec
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