Panic @r251745; i386, early in boot sequence

David Wolfskill david at
Fri Jun 14 16:35:21 UTC 2013

Here's a hand-transcribed copy of the backtrace:

Timecounters tick every 1.000 msec
panic: curvnet is NULL
cpuid = 0
KDB: stack backtrace:
db_trace_self_wrapper(c1034c40,c102a482,c11b646c,c2020cbc,c1037f21,...) at 0xc051283d = db_trace_self_wrapper+0x2d/frame 0xc2020be8
kdb_backtrace(c10863e7,0,c102a482,c2020cbc,c102a482,...) at 0xc0aa9800 = kdb_backtrace+0x30/frame 0xc2020c50
vpanic(c11963a2,100,c102a482,c2020cbc,c2020cbc,...) at 0xc0a71e0f = vpanic+0x11f/frame 0xc2020c50
kassert_panic(c102a482,0,c102a450,10b,c1143100,...) at 0xc0a71cea = kassert_panic+0xea/frame 0xc2020cb0
hhook_head_register(1,0,c1358904,102,c116030c,...) at 0xc0a40132 = hhook_head_register+0x102/frame 0xc2020cd4
tcp_init(0,c103cac6,ce03d448,c112654c,c2020d58,...) at 0xc0c1fecc = tcp_init+0x2c/frame 0xc0c0d20
domain_init(c114305c,0,ce03d530,201e000,2025000,...) at 0xc0adf357 = domain_init+0x27/frame 0xc2020d38
mi_startup() at 0xc0a1deb7 = mi_startup+0xf7/frame 0xc2020d58
begin() at 0xc0a1c07 = begin+0x2c
KDB: enter: panic
[ thread pid 0 tid 100000 ]
Stopped at	0xc0aa95fd = kdb_enter+0x3d:	movl	$0,0xc11b21c4 = kdb_why

Previous working head was @r251684 (from yesterday).  My build machine
(where I have a serial console) is still building; above is from laptop
(which lacks serial console, unfortunately).

I update build machine & laptop to same GRNs; here is build machine's
"uname-a" output (showing yesterday's update, as today's is still in

FreeBSD 10.0-CURRENT FreeBSD 10.0-CURRENT #1191  r251684M/251684:1000035: Thu Jun 13 09:46:05 PDT 2013     root at  i386

Any suggestions for what to hack?  :-}

David H. Wolfskill				david at
Taliban: Evil men with guns afraid of truth from a 14-year old girl.

See for my public key.
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