[DragonFlyBSD - Bug #2512] (Closed) panic: kqueue: checkloop failed i=0

[John Marino via Redmine <bugtracker-admin@xxxxxxxxxxxxxxxxxxxxx>]

Issue #2512 has been updated by marino.

Status changed from New to Closed

This seems to have been resolved a long time ago.
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Bug #2512: panic: kqueue: checkloop failed i=0
http://bugs.dragonflybsd.org/issues/2512

Author: marino
Status: Closed
Priority: Normal
Assignee: 
Category: 
Target version: 


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
GNU gdb (GDB) 7.4.1
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License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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This GDB was configured as "x86_64-dragonfly".
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<http://bugs.dragonflybsd.org/>...
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



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