Date: Wed, 8 Aug 2007 15:59:55 -0400 From: Kris Kennaway <kris@obsecurity.org> To: current@FreeBSD.org Cc: davidxu@FreeBSD.org Subject: panic: lock "aiomtx" already initialized Message-ID: <20070808195955.GA76077@rot26.obsecurity.org>
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=46rom stress2's random syscall test:
db> wh
Tracing pid 45777 tid 100465 td 0xc61b7000
kdb_enter(c077f50d,2,c0782352,ed0fab84,2,...) at kdb_enter+0x33
panic(c0782352,c0788b88,c5e1107c,20000,0,...) at panic+0xed
lock_init(c5e1107c,c07c67c4,c0788b88,0,20000) at lock_init+0x8c
mtx_init(c5e1107c,c0788b88,0,0,79400d31,...) at mtx_init+0x9f
aio_init_aioinfo(c61c4ab0,c057d463,c07e6520,9579c960,31a964,...) at aio_ini=
t_aioinfo+0x4b
aio_aqueue(c61b7000,79400d31,0,2,1,...) at aio_aqueue+0x8d
oaio_read(c61b7000,ed0facf8,4,c078503a,c07c2250,...) at oaio_read+0x32
syscall(ed0fad38) at syscall+0x14f
Xint0x80_syscall() at Xint0x80_syscall+0x20
--- syscall (318, FreeBSD ELF32, oaio_read), eip =3D 0x280c0969, esp =3D 0x=
bfbfe5f0, ebp =3D 0xbfbfe638 ---
db> x/s 0xc0782352
0xc0782352: lock "%s" %p already initialized
db> x/s 0xc0788b88
0xc0788b88: aiomtx
db> show lock 0xc5e1107c
class: sleep mutex
name: aiomtx
flags: {DEF}
state: {UNOWNED}
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