Date: Mon, 2 May 2005 14:51:05 +0200 From: Rene Ladan <r.c.ladan@student.tue.nl> To: stable@freebsd.org, bzeeb+freebsd+lor@zabbadoz.net Subject: bpf/fxp RELENG_5 LOR Message-ID: <20050502125104.GA987@82-168-79-254-bbxl.xdsl.tiscali.nl>
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FreeBSD 5.4-STABLE #0: Mon May 2 02:26:10 CEST 2005
root@82-168-79-254-bbxl.xdsl.tiscali.nl:/usr/obj/usr/src/sys/RENE
#tcpdump
fxp0: promiscuous mode enabled
lock order reversal
1st 0xc066de80 bpf global lock (bpf global lock) @ /usr/src/sys/net/bpf.c:=
385
2nd 0xc14c9264 fxp0 (network driver) @ /usr/src/sys/modules/fxp/../../dev/=
fxp/if_fxp.c:2394
KDB: stack backtrace:
kdb_backtrace(c05fd3e5,c14c9264,c14a47e0,c06fe820,c06fe7bd) at 0xc04b0aee =
=3D kdb_backtrace+0x2e
witness_checkorder(c14c9264,9,c06fe7bd,95a,c0648ec0) at 0xc04bbb86 =3D witn=
ess_checkorder+0x6a6
_mtx_lock_flags(c14c9264,0,c06fe7bd,95a,c14c9264) at 0xc048a9ca =3D _mtx_lo=
ck_flags+0x8a
fxp_ioctl(c14c9000,80206910,cae60aa8,c06212fc,c156d9dc) at 0xc06fe14e =3D f=
xp_ioctl+0x5e
ifpromisc(c14c9000,0,c06024ea,129,c1cdd200) at 0xc050a358 =3D ifpromisc+0xe8
bpf_detachd(c1cdd200,0,c06024ea,181,c1bfa528) at 0xc0504d85 =3D bpf_detachd=
+0xe5
bpfclose(c1b07700,1,2000,c19d1000,c0628e20) at 0xc0504ff4 =3D bpfclose+0xb4
spec_close(cae60b70,cae60b98,c0500ba7,cae60b70,1) at 0xc04542d8 =3D spec_cl=
ose+0x378
spec_vnoperate(cae60b70,1,c060242a,140,c063ad40) at 0xc0452e58 =3D spec_vno=
perate+0x18
vn_close(c1bfa528,1,c198cd00,c19d1000,c066d240) at 0xc0500ba7 =3D vn_close+=
0x67
vn_closefile(c1d82a18,c19d1000,c05f685f,849,c1d82a18) at 0xc0501d34 =3D vn_=
closefile+0xc4
fdrop_locked(c1d82a18,c19d1000,c05f685f,834) at 0xc0471cde =3D fdrop_locked=
+0xbe
fdrop(c1d82a18,c19d1000,c05f685f,77c,cae60c7c,c04bc210,c066d240,cae60c78,c0=
4bbc67,0,c1cdd32c,246,c06212fc,c1cdd32c,3ea,c05f685f,cae60ca0,c048aada,c1cd=
d32c,1,c05f9016,12b) at 0xc0471c0c =3D fdrop+0x3c
closef(c1d82a18,c19d1000,c05f685f,3ea,c19d1000) at 0xc0470032 =3D closef+0x=
3d2
close(c19d1000,cae60d04,4,439,1) at 0xc046cfdc =3D close+0x22c
syscall(2f,2f,2f,280f1a2d,817f000) at 0xc05d9fe0 =3D syscall+0x2c0
Xint0x80_syscall() at 0xc05c885f =3D Xint0x80_syscall+0x1f
--- syscall (6, FreeBSD ELF32, close), eip =3D 0x282506df, esp =3D 0xbfbfea=
bc, ebp =3D 0xbfbfead8 ---
KDB: enter: witness_checkorder
fxp0: promiscuous mode disabled
--=20
"It won't fit on the line."
-- me, 2001
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