Date: Tue, 09 Mar 2010 13:11:58 +0200 From: Sergey Radashevskiy <korad@ua.fm> To: freebsd-stable@freebsd.org Subject: freebsd 7.2stable em0: discard frame w/o packet header Message-ID: <E1NoxLy-0003Wr-I6@web05.mi6.kiev.ua>
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The system panic with error kernel: em0: discard frame w/o packet header
Crach dump one
kgdb /boot/kernel/kernel /var/crash/vmcore.5
Fatal trap 12: page fault while in kernel mode
cpuid =3D 0; apic id =3D 00
fault virtual address =3D 0xd9c6f105
fault code =3D supervisor read, page not present
instruction pointer =3D 0x20:0x808a021f
stack pointer =3D 0x28:0x85909c10
frame pointer =3D 0x28:0x85909c44
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 14 (swi4: clock sio)
trap number =3D 12
panic: page fault
cpuid =3D 0
Uptime: 11h51m2s
Physical memory: 1936 MB
Dumping 331 MB: 316 300 284 268 252 236 220 204 188 172 156 140 124 108 92 =
76 60 44 28 12
(kgdb) where
#0 doadump () at pcpu.h:196
#1 0x8069a618 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:4=
18
#2 0x8069a8f5 in panic (fmt=3DVariable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3 0x8095f294 in trap_fatal (frame=3D0x85909bd0, eva=3D3653693701) at /usr=
/src/sys/i386/i386/trap.c:950
#4 0x8095f4fd in trap_pfault (frame=3D0x85909bd0, usermode=3D0, eva=3D3653=
693701) at /usr/src/sys/i386/i386/trap.c:863
#5 0x8095febd in trap (frame=3D0x85909bd0) at /usr/src/sys/i386/i386/trap.=
c:541
#6 0x8094479b in calltrap () at /usr/src/sys/i386/i386/exception.s:166
#7 0x808a021f in uma_zfree_arg (zone=3D0x86a3b000, item=3D0x8cdcd580, udat=
a=3D0x868fa000) at /usr/src/sys/vm/uma_core.c:2253
#8 0x8075492b in ng_netflow_expire (arg=3D0x868fa000) at /usr/src/sys/netg=
raph/netflow/netflow.c:215
#9 0x806ac441 in softclock (dummy=3D0x0) at /usr/src/sys/kern/kern_timeout=
.c:274
#10 0x806789c9 in ithread_loop (arg=3D0x85c9d3d0) at /usr/src/sys/kern/kern=
_intr.c:1181
#11 0x80675271 in fork_exit (callout=3D0x8067882d <ithread_loop>, arg=3D0x8=
5c9d3d0, frame=3D0x85909d38) at /usr/src/sys/kern/kern_fork.c:811
#12 0x80944810 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:=
271
Crach dump two
kgdb /boot/kernel.old/kernel /var/crash/vmcore.4
Fatal trap 12: page fault while in kernel mode
cpuid =3D 1; apic id =3D 01
fault virtual address =3D 0xc
fault code =3D supervisor read, page not present
instruction pointer =3D 0x20:0x806ec864
stack pointer =3D 0x28:0x85912a64
frame pointer =3D 0x28:0x85912a90
code segment =3D base 0x0, limit 0xfffff, type 0x1b
=3D DPL 0, pres 1, def32 1, gran 1
processor eflags =3D interrupt enabled, resume, IOPL =3D 0
current process =3D 3 (ng_queue1)
trap number =3D 12
panic: page fault
cpuid =3D 1
Uptime: 12h4m33s
Physical memory: 1936 MB
Dumping 154 MB: 139 123 107 91 75 59 43 27 11
(kgdb) where
#0 doadump () at pcpu.h:196
#1 0x8069a618 in boot (howto=3D260) at /usr/src/sys/kern/kern_shutdown.c:4=
18
#2 0x8069a8f5 in panic (fmt=3DVariable "fmt" is not available.
) at /usr/src/sys/kern/kern_shutdown.c:574
#3 0x8095f294 in trap_fatal (frame=3D0x85912a24, eva=3D12) at /usr/src/sys=
/i386/i386/trap.c:950
#4 0x8095f4fd in trap_pfault (frame=3D0x85912a24, usermode=3D0, eva=3D12) =
at /usr/src/sys/i386/i386/trap.c:863
#5 0x8095febd in trap (frame=3D0x85912a24) at /usr/src/sys/i386/i386/trap.=
c:541
#6 0x8094479b in calltrap () at /usr/src/sys/i386/i386/exception.s:166
#7 0x806ec864 in m_copym (m=3D0x0, off0=3D1496, len=3D1496, wait=3D1) at /=
usr/src/sys/kern/uipc_mbuf.c:539
#8 0x807912a3 in ip_fragment (ip=3D0x862146d6, m_frag=3D0x85912b5c, mtu=3D=
1500, if_hwassist_flags=3D38, sw_csum=3D1)
at /usr/src/sys/netinet/ip_output.c:731
#9 0x80791f4d in ip_output (m=3D0x86214600, opt=3D0x0, ro=3D0x85912b30, fl=
ags=3D32, imo=3D0x0, inp=3D0x88518bf4)
at /usr/src/sys/netinet/ip_output.c:570
#10 0x8079332f in rip_output (m=3D0x86341d00, so=3D0x87a86d00, dst=3D354052=
1226) at /usr/src/sys/netinet/raw_ip.c:408
#11 0x807933f4 in rip_send (so=3D0x87a86d00, flags=3D0, m=3D0x86341d00, nam=
=3D0x0, control=3D0x0, td=3D0x85cff480)
at /usr/src/sys/netinet/raw_ip.c:880
#12 0x806f590d in sosend_generic (so=3D0x87a86d00, addr=3D0x0, uio=3D0x0, t=
op=3D0x86341d00, control=3D0x0, flags=3D0, td=3D0x85cff480)
at /usr/src/sys/kern/uipc_socket.c:1243
#13 0x806f1767 in sosend (so=3D0x87a86d00, addr=3D0x0, uio=3D0x0, top=3D0x8=
6341d00, control=3D0x0, flags=3D0, td=3D0x85cff480)
at /usr/src/sys/kern/uipc_socket.c:1285
#14 0x807652e4 in ng_ksocket_rcvdata (hook=3D0x89164180, item=3D0x86925a50)=
at /usr/src/sys/netgraph/ng_ksocket.c:927
#15 0x8075986f in ng_apply_item (node=3D0x88f33900, item=3D0x86925a50, rw=
=3D0) at /usr/src/sys/netgraph/ng_base.c:2336
#16 0x8075acf5 in ngthread (arg=3D0x0) at /usr/src/sys/netgraph/ng_base.c:3=
304
#17 0x80675271 in fork_exit (callout=3D0x8075aaa9 <ngthread>, arg=3D0x0, fr=
ame=3D0x85912d38) at /usr/src/sys/kern/kern_fork.c:811
#18 0x80944810 in fork_trampoline () at /usr/src/sys/i386/i386/exception.s:=
271
-- =F0=E5=EA=EB=E0=EC=E0 --------------------------------------------------=
---------
=C0=EA=F6=E8=FF! =CF=F0=E8 =EF=EE=EA=F3=EF=EA=E5 =F5=EE=F1=F2=E8=ED=E3=E0 =
=E1=EE=EB=FC=F8=E5 =EC=E5=F1=F2=E0 =E8 =E4=EE=EC=E5=ED =E2 =EF=EE=E4=E0=F0=
=EE=EA.
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