Date: Fri, 24 Mar 2000 20:56:58 -0500 From: Alan Clegg <abc@bsdi.com> To: freebsd-current@FreeBSD.ORG Subject: reproducable system crash in 4.0-STABLE Message-ID: <20000324205658.A320@ecto.greenpeas.org>
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I know this is not "current", but it was last week, so give me a break.
On a dual PII system, access to /dev/smb0 (system management bus) by=20
wmhm (/usr/ports/sysutils/wmhm) or gkrellm (/usr/ports/sysutils/gkrellm)
causes an immediate system panic.
I have the following in dmesg:
smbus0: <System Management Bus> on bti2c0
smb0: <SMBus general purpose I/O> on smbus0
and I have system dumps available to whoever wants.
Traceback follows:
(kgdb) where
#0 boot (howto=3D256) at ../../kern/kern_shutdown.c:304
#1 0xc017f2c0 in poweroff_wait (junk=3D0xc032b34f, howto=3D-936451424)
at ../../kern/kern_shutdown.c:554
#2 0xc02d2323 in trap_fatal (frame=3D0xc832accc, eva=3D64)
at ../../i386/i386/trap.c:924
#3 0xc02d1fb9 in trap_pfault (frame=3D0xc832accc, usermode=3D0, eva=3D64)
at ../../i386/i386/trap.c:817
#4 0xc02d1bb7 in trap (frame=3D{tf_fs =3D -936247272, tf_es =3D 16, tf_ds =
=3D 16,=20
tf_edi =3D 0, tf_esi =3D -1056958976, tf_ebp =3D -936202996,=20
tf_isp =3D -936203016, tf_ebx =3D -1063630240, tf_edx =3D -1057000192=
,=20
tf_ecx =3D -1056958976, tf_eax =3D 0, tf_trapno =3D 12, tf_err =3D 0,=
=20
tf_eip =3D -1072143334, tf_cs =3D 8, tf_eflags =3D 66118, tf_esp =3D =
-936202972,=20
tf_ss =3D -1072262237}) at ../../i386/i386/trap.c:423
#5 0xc018641a in device_get_softc (dev=3D0x0) at ../../kern/subr_bus.c:982
#6 0xc01693a3 in iicbus_request_bus (bus=3D0x0, dev=3D0xc1001600, how=3D3)
at ../../dev/iicbus/iiconf.c:103
#7 0xc022fd68 in bti2c_smb_callback (dev=3D0xc1001600, index=3D1, data=3D0=
xc832ad88)
at ../../dev/bktr/bktr_i2c.c:228
#8 0xc0166c78 in SMBUS_CALLBACK (dev=3D0xc1001600, index=3D1,=20
data=3D0xc832ad88 "\003") at smbus_if.c:37
#9 0xc01670a1 in smbus_request_bus (bus=3D0xc1001400, dev=3D0xc1001380, ho=
w=3D3)
at ../../dev/smbus/smbconf.c:136
#10 0xc016739c in smbioctl (dev=3D0xc1001300, cmd=3D2148821255,=20
data=3D0xc832aebc "'", flags=3D3, p=3D0xc82ee2a0) at ../../dev/smbus/sm=
b.c:202
#11 0xc01b4aca in spec_ioctl (ap=3D0xc832adf8)
at ../../miscfs/specfs/spec_vnops.c:304
#12 0xc01b47f5 in spec_vnoperate (ap=3D0xc832adf8)
at ../../miscfs/specfs/spec_vnops.c:117
#13 0xc026c435 in ufs_vnoperatespec (ap=3D0xc832adf8)
at ../../ufs/ufs/ufs_vnops.c:2301
#14 0xc01afc08 in vn_ioctl (fp=3D0xc110e3c0, com=3D2148821255,=20
data=3D0xc832aebc "'", p=3D0xc82ee2a0) at vnode_if.h:429
#15 0xc018c793 in ioctl (p=3D0xc82ee2a0, uap=3D0xc832af80) at ../../sys/fil=
e.h:171
#16 0xc02d25aa in syscall (frame=3D{tf_fs =3D 47, tf_es =3D 47, tf_ds =3D 4=
7,=20
tf_edi =3D -1077937988, tf_esi =3D 7, tf_ebp =3D -1077938052,=20
tf_isp =3D -936202284, tf_ebx =3D -1077938072, tf_edx =3D 0, tf_ecx =
=3D 0,=20
tf_eax =3D 54, tf_trapno =3D 12, tf_err =3D 2, tf_eip =3D 674565904, =
tf_cs =3D 31,=20
tf_eflags =3D 659, tf_esp =3D -1077938128, tf_ss =3D 47})
at ../../i386/i386/trap.c:1073
#17 0xc02c06b1 in Xint0x80_syscall ()
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