【Project peko】2ch特化型サーバ・ロケーション構築作戦 Part17

tiger506 のクラッシュダンプのトレース

(kgdb) where
#0 0xc0507ca2 in doadump ()
#1 0xc050829b in boot ()
#2 0xc05085c1 in panic ()
#3 0xc04fcd29 in lockmgr ()
#4 0xc0553b83 in vop_stdunlock ()
#5 0xc0553a33 in vop_defaultop ()
#6 0xc061dc67 in ufs_vnoperate ()
#7 0xc0616947 in ufs_inactive ()
#8 0xc061dc67 in ufs_vnoperate ()
#9 0xc055c2f0 in vrele ()
#10 0xc061a3cb in ufs_close ()
#11 0xc061dc67 in ufs_vnoperate ()
#12 0xc05666b0 in vn_close ()
#13 0xc05675a2 in vn_closefile ()
#14 0xc04ea014 in fdrop_locked ()
#15 0xc04e8e61 in fdrop ()
#16 0xc04e8e17 in closef ()
#17 0xc04e861f in fdfree ()
#18 0xc04f01c8 in exit1 ()
#19 0xc04efcf4 in sys_exit ()
#20 0xc066b9ff in syscall ()
#21 0xc06593af in Xint0x80_syscall ()
#22 0xffff002f in ?? ()
#23 0xffff002f in ?? ()
#24 0xbfbf002f in ?? ()
#25 0x0000430c in ?? ()
#26 0x0804b924 in ?? ()
#27 0xbfbfe4b8 in ?? ()
#28 0xf8d1bd74 in ?? ()
#29 0x281425ec in ?? ()
#30 0x281424b0 in ?? ()
#31 0x281424b0 in ?? ()
#32 0x00000001 in ?? ()
(続く)

#33 0x0000000c in ?? ()
#34 0x00000002 in ?? ()
#35 0x280c9373 in ?? ()
#36 0x0000001f in ?? ()
#37 0x00000292 in ?? ()
#38 0xbfbfe49c in ?? ()
#39 0x0000002f in ?? ()
#40 0x00000000 in ?? ()
#41 0x00000000 in ?? ()
#42 0x00000000 in ?? ()
#43 0x00000000 in ?? ()
#44 0x43f9f000 in ?? ()
#45 0xc3c19e20 in ?? ()
#46 0xc7287320 in ?? ()
#47 0xf8d1b718 in ?? ()
#48 0xf8d1b700 in ?? ()
#49 0xc346b7d0 in ?? ()
#50 0xc05188a3 in sched_switch ()
Previous frame inner to this frame (corrupt stack?)
(kgdb)

/var/crash/info.2 の中身

Good dump found on device /dev/da0s1b
Architecture: i386
Architecture version: 1
Dump length: 2146959360B (2047 MB)
Blocksize: 512
Dumptime: Wed Apr 13 13:09:21 2005
Hostname: tiger506.maido3.com
Versionstring: FreeBSD 5.3-RELEASE #3: Thu Nov 4 21:51:36 PST 2004
[email protected]:/usr/obj/var/src/sys/I386_TIGER_53
Panicstring: lockmgr: thread 0xc7287320, not exclusive lock holder 0xc35e6af0 unlocking
Bounds: 2

前から、ごくたまに起こっている FreeBSD のバグですね、たぶん。

kernel内のlock管理に矛盾が生じてpanicですか