panic: assertion: _tp->tt_msg->tt_cpuid == mycpuid in tcp_callout_active

[Peter Avalos]

mp_lock = 00000001; cpuid = 1
Trace beginning at frame 0xd82db9b8
panic(ffffffff) at panic+0x14f
panic(c037a20a,c03a4300,c036edf8,e100,0) at panic+0x14f
tcp_output(e3462208,e6b7e000) at tcp_output+0xe9a
tcp_input(e6b7e000,14,6) at tcp_input+0x3d63
transport_processing_oncpu(14,0,0,0,0) at transport_processing_oncpu+0x95
ip_input(e6b7e000) at ip_input+0xf11
ip_input_handler(e6b7e018) at ip_input_handler+0xe
netisr_run(2,e6b7e000) at netisr_run+0xdf
ether_demux_oncpu(d7e2c000,e6b7e000) at ether_demux_oncpu+0x37c
ether_input_oncpu(d7e2c000,e6b7e000) at ether_input_oncpu+0x138
ether_input_handler(e6b7e018) at ether_input_handler+0x102
netmsg_service(e6b7e018,1,0,1,ff8083d4) at netmsg_service+0x9d
tcpmsg_service_loop(0,0,0,0,0) at tcpmsg_service_loop+0x43
lwkt_exit() at lwkt_exit
boot() called on cpu#1
Uptime: 14d22h16m8s
Physical memory: 2043 MB
Dumping 487 MB: 472 456 440 424 408 392 376 360 344 328 312 296 280 264 248 232 216 200 184 168 152 136 120 104 88 72 56 40 24 8

_get_mycpu (di=0xc0466b60) at ./machine/thread.h:83
83          __asm ("movl %%fs:globaldata,%0" : "=r" (gd) : "m"(__mycpu__dummy));

ylem:/var/crash# uname -a
DragonFly ylem.theshell.com 2.7-DEVELOPMENT DragonFly v2.7.3.8.g3219b-DEVELOPMENT #28: Fri May  7 09:16:10 HST 2010     root at ylem.theshell.com:/usr/obj/usr/src/sys/YLEM  i386

This happened twice while switching back and forth between lighttpd
and nginx.  Kernel and cores being uploaded to
leaf:~pavalos/crash/*30 and *31

--Peter
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