Date: Thu, 10 Jul 2003 13:00:36 -0400 From: "Robin P. Blanchard" <Robin.Blanchard@gactr.uga.edu> To: <current@freebsd.org> Subject: Witness panic (fxp/polling related) Message-ID: <EE3D3FBAFFCAED448C21C398FDAD91AC237487@EBE1.gc.nat>
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Sources as of this morning yield:
(kgdb) bt full
#0 doadump () at /usr/src/sys/kern/kern_shutdown.c:240
No locals.
#1 0xc01d805b in boot (howto=3D256) at =
/usr/src/sys/kern/kern_shutdown.c:372
No locals.
#2 0xc01d8373 in panic () at /usr/src/sys/kern/kern_shutdown.c:550
td =3D (struct thread *) 0xc151e390
bootopt =3D 256
newpanic =3D 1
ap =3D 0xd6935c30 "'Y0=C0\003\006"
buf =3D "recurse", '\0' <repeats 248 times>
#3 0xc01fae9d in witness_lock (lock=3D0xc152c160, flags=3D8,=20
file=3D0xc0305927 "/usr/src/sys/dev/fxp/if_fxp.c", line=3D1502)
at /usr/src/sys/kern/subr_witness.c:651
lock_list =3D (struct lock_list_entry **) 0xc151e3fc
lle =3D (struct lock_list_entry *) 0xc151e3fc
lock1 =3D (struct lock_instance *) 0xc03865fc
lock2 =3D (struct lock_instance *) 0x0
class =3D (struct lock_class *) 0xc0333c0c
w =3D (struct witness *) 0xc0363348
w1 =3D (struct witness *) 0xc01de131
td =3D (struct thread *) 0xc151e3fc
i =3D -694985628
go_into_ddb =3D 0
#4 0xc01cf743 in _mtx_lock_flags (m=3D0xc151e3fc, opts=3D0, =
file=3D0xc03865fc
"`=C1R=C1'Y0=C0\003\006",=20
line=3D-1051541152) at /usr/src/sys/kern/kern_mutex.c:334
No locals.
---Type <return> to continue, or q <return> to quit---
#5 0xc0183af7 in fxp_poll (ifp=3D0xc03865fc, cmd=3D3243426144, =
count=3D0)
at /usr/src/sys/dev/fxp/if_fxp.c:1502
sc =3D (struct fxp_softc *) 0xc151e3fc
statack =3D 193 '=C1'
#6 0xc0183cb1 in fxp_intr (xsc=3D0xc152c000) at
/usr/src/sys/dev/fxp/if_fxp.c:1553
sc =3D (struct fxp_softc *) 0xc152c000
ifp =3D (struct ifnet *) 0xc152c000
statack =3D 0 '\0'
#7 0xc01c60d2 in ithread_loop (arg=3D0xc4023a80) at
/usr/src/sys/kern/kern_intr.c:534
ithd =3D (struct ithd *) 0xc4023a80
ih =3D (struct intrhand *) 0xc401dec0
td =3D (struct thread *) 0xc151e390
p =3D (struct proc *) 0xc401e3c8
#8 0xc01c523e in fork_exit (callout=3D0xc01c5f80 <ithread_loop>, =
arg=3D0x0,
frame=3D0x0)
at /usr/src/sys/kern/kern_fork.c:794
td =3D (struct thread *) 0x0
p =3D (struct proc *) 0xc401e3c8
(kgdb)=20
---------------------------------------
Robin P. Blanchard
Systems Integration Specialist
Georgia Center for Continuing Education
fon: 706.542.2404 <|> fax: 706.542.6546
---------------------------------------
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