DragonFlyBSD

banshee.synsport.com dumped core - see /var/crash/vmcore.5
Fri Feb 15 19:59:45 CET 2013
Version String: DragonFly 8f7fdaf-DEVELOPMENT #13: Mon Feb 11 10:52:48 CET 2013 root@banshee.synsport.com:/usr/obj/usr/src/sys/X86_64_BANSHEE_SMP
panic: kqueue: checkloop failed i=0
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Reading symbols from /boot/kernel/kernel...done.
Unread portion of the kernel message buffer:
panic: assertion "ncp->nc_refs == 1" failed in cache_zap at /usr/src/sys/kern/vfs_cache.c:2159
cpuid = 1
Trace beginning at frame 0xffffffe0df80b458
panic() at panic+0x1f6 0xffffffff8041b96f

Fatal trap 12: page fault while in kernel mode
cpuid = 1; lapic->id = 01000000
fault virtual address = 0xffffffe0ffffffff
fault code = supervisor read data, page not present
instruction pointer = 0x8:0xffffffff806b7572
stack pointer = 0x10:0xffffffe0df80b318
frame pointer = 0x10:0xffffffe0df80b318
code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags = interrupt enabled, resume, IOPL = 0
current process = 72985
current thread = pri 6
kernel: type 12 trap, code=0
DOUBLE FAULT

full core text here: http://leaf.dragonflybsd.org/~marino/core/core.kqueue_checkloop.txt
full core dump at ~marino/crash/kqueue_checkloop on leaf