* Kris Kennaway <[EMAIL PROTECTED]> [Sat, 26 Apr 2008 13:09:08 +0000]:
On Fri, Apr 25, 2008 at 07:20:03AM +0000, misha saf wrote:
> The following reply was made to PR kern/123066; it has been noted by
GNATS.
>
> From: misha saf <[EMAIL PROTECTED]>
> To: Kris Kennaway <[EMAIL PROTECTED]>
> Cc: <[EMAIL PROTECTED]>
> Subject: Re: misc/123066: kernel trap with ipsec
> Date: Fri, 25 Apr 2008 10:59:33 +0400
>
> * Kris Kennaway <[EMAIL PROTECTED]> [Fri, 25 Apr 2008 05:46:54
+0000]:
> > On Fri, Apr 25, 2008 at 04:13:40AM +0000, Mihail wrote:
> >
> > > (kgdb) backtrace
> > > #0 doadump () at pcpu.h:195
> > > #1 0xc075df57 in boot (howto=260) at
> > /usr/src/sys/kern/kern_shutdown.c:409
> > > #2 0xc075e219 in panic (fmt=Variable "fmt" is not available.
> > > ) at /usr/src/sys/kern/kern_shutdown.c:563
> > > #3 0xc0a9766c in trap_fatal (frame=0xc884e934, eva=3621180904)
> > > at /usr/src/sys/i386/i386/trap.c:899
> > > #4 0xc0a978f0 in trap_pfault (frame=0xc884e934, usermode=0,
> > eva=3621180904)
> > > at /usr/src/sys/i386/i386/trap.c:812
> > > #5 0xc0a9829c in trap (frame=0xc884e934) at
> > /usr/src/sys/i386/i386/trap.c:490
> > > #6 0xc0a7e21b in calltrap () at
> > /usr/src/sys/i386/i386/exception.s:139
> > > #7 0xc0a952f6 in generic_bcopy () at
> > /usr/src/sys/i386/i386/support.s:498
> > > Previous frame inner to this frame (corrupt stack?)
> >
> > Unfortunately we need the rest of the stack. Can you either try
to
> > reproduce with DDB in the kernel and obtain a stack trace from
there,
> > or if this is not possible then try recompiling the kernel with
-O
> > instead of -O2 which tends to produce better stack traces.
> >
> > Kris
> That's all needed info ?
No, stack frames 8 and beyond contained the important parts of the
stack trace, but were not displayed by gdb. What we need is what I
explained above.
Kris
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--
db> trace
Tracing pid 996 tid 100075 td 0xc1ed2210
generic_bcopy(c1c8b700, c1eeac80,0,14,9,...) at generic_bcopy+0x1a
ipsec4_process_packet(c1c8b700, c1eeac80,20,0,c1f00924,...) at
ipsec4_process_packet+0x28b
ip_ipsec_output(c886db04, c1f00924,c886dae4,c886db0c,...) at
ip_ipsec_output+0x1a3
ip_output(c1c8b700,0,c886dac8,20,0,...) at ip_output+0x8ef
rip_output(c1c8b700,c1d3c630,1c8a8c0,0,...) at rip_output+0x35e
rip_send(c1d3c630,0,c1c8b700,c1bcebd0,0,...) at rip_send+0x5c
sosend_generic(c1d3c630,c1bcebd0,c886dbe8,c1c8b700,0,...) at
sosend_generic+0x64
sosend(c1d3c630,c1bcebd0,c886dbe8,0,0,...) at sosend+0x3f
kern_sendit(c1ed2210,3,c886dc64,0,0,...) at kern_sendit+0x106
sendit(0,8050cec,0,c886dc64,0,0,...) at sendit+0xb1
sendto(c1ed2210,c886dcfc,18,c886dd38,c866dd2c,...) at sendto+0x48
syscall(c886dd38) at syscall+0x335
Xint0x80_syscall() at Xint0x80_syscall+0x20
----syscal(133, FreeBSD ELF32, sendto), eip = 0x28156edf, esp =
0xbfbee7ec, ebp = 0xbfbee828
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