GNU gdb 6.1.1 [FreeBSD] Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "amd64-marcel-freebsd"... Unread portion of the kernel message buffer: kernel trap 12 with interrupts disabled Fatal trap 12: page fault while in kernel mode cpuid = 4; apic id = 04 fault virtual address = 0x17 fault code = supervisor read data, page not present instruction pointer = 0x20:0xffffffff80ab5198 stack pointer = 0x28:0xfffffe0841bac5a0 frame pointer = 0x28:0xfffffe0841bac600 code segment = base 0x0, limit 0xfffff, type 0x1b = DPL 0, pres 1, long 1, def32 0, gran 1 processor eflags = resume, IOPL = 0 current process = 790 (ntpd) trap number = 12 panic: page fault cpuid = 4 KDB: stack backtrace: #0 0xffffffff80b24077 at kdb_backtrace+0x67 #1 0xffffffff80ad93e2 at vpanic+0x182 #2 0xffffffff80ad9253 at panic+0x43 #3 0xffffffff80fa0d31 at trap_fatal+0x351 #4 0xffffffff80fa0f23 at trap_pfault+0x1e3 #5 0xffffffff80fa04cc at trap+0x26c #6 0xffffffff80f84141 at calltrap+0x8 #7 0xffffffff80b398b9 at propagate_priority+0xb9 #8 0xffffffff80b3a59f at turnstile_wait+0x3ef #9 0xffffffff80ad4364 at __rw_wlock_hard+0x94 #10 0xffffffff80d0acaf at udp_disconnect+0x9f #11 0xffffffff80b724cc at soclose+0x3c #12 0xffffffff80a735ca at _fdrop+0x1a #13 0xffffffff80a770a4 at closef+0x2d4 #14 0xffffffff80a73ac6 at closefp+0xb6 #15 0xffffffff80fa168e at amd64_syscall+0x4ce #16 0xffffffff80f8442b at Xfast_syscall+0xfb Uptime: 10m14s Dumping 1297 out of 32278 MB:..2%..12%..21%..31%..41%..51%..61%..71%..81%..91% Reading symbols from /boot/kernel/zfs.ko...Reading symbols from /usr/lib/debug//boot/kernel/zfs.ko.debug...done. done. Loaded symbols for /boot/kernel/zfs.ko Reading symbols from /boot/kernel/opensolaris.ko...Reading symbols from /usr/lib/debug//boot/kernel/opensolaris.ko.debug...done. done. Loaded symbols for /boot/kernel/opensolaris.ko Reading symbols from /boot/kernel/ums.ko...Reading symbols from /usr/lib/debug//boot/kernel/ums.ko.debug...done. done. Loaded symbols for /boot/kernel/ums.ko Reading symbols from /boot/kernel/uhid.ko...Reading symbols from /usr/lib/debug//boot/kernel/uhid.ko.debug...done. done. Loaded symbols for /boot/kernel/uhid.ko #0 doadump (textdump=) at pcpu.h:221 221 __asm("movq %%gs:%1,%0" : "=r" (td) (kgdb) list *0xffffffff80ab5198 0xffffffff80ab5198 is in thread_lock_flags_ (../../../kern/kern_mutex.c:745). 740 KASSERT(m->mtx_lock != MTX_DESTROYED, 741 ("thread_lock() of destroyed mutex @ %s:%d", file, line)); 742 KASSERT(LOCK_CLASS(&m->lock_object) == &lock_class_mtx_spin, 743 ("thread_lock() of sleep mutex %s @ %s:%d", 744 m->lock_object.lo_name, file, line)); 745 if (mtx_owned(m)) 746 KASSERT((m->lock_object.lo_flags & LO_RECURSABLE) != 0, 747 ("thread_lock: recursed on non-recursive mutex %s @ %s:%d\n", 748 m->lock_object.lo_name, file, line)); 749 WITNESS_CHECKORDER(&m->lock_object, Current language: auto; currently minimal (kgdb) backtrace #0 doadump (textdump=) at pcpu.h:221 #1 0xffffffff80ad8e69 in kern_reboot (howto=260) at ../../../kern/kern_shutdown.c:366 #2 0xffffffff80ad941b in vpanic (fmt=, ap=) at ../../../kern/kern_shutdown.c:759 #3 0xffffffff80ad9253 in panic (fmt=0x0) at ../../../kern/kern_shutdown.c:690 #4 0xffffffff80fa0d31 in trap_fatal (frame=0xfffffe0841bac4f0, eva=23) at ../../../amd64/amd64/trap.c:841 #5 0xffffffff80fa0f23 in trap_pfault (frame=0xfffffe0841bac4f0, usermode=0) at ../../../amd64/amd64/trap.c:691 #6 0xffffffff80fa04cc in trap (frame=0xfffffe0841bac4f0) at ../../../amd64/amd64/trap.c:442 #7 0xffffffff80f84141 in calltrap () at ../../../amd64/amd64/exception.S:236 #8 0xffffffff80ab5198 in thread_lock_flags_ (td=, opts=, file=, line=) at ../../../kern/kern_mutex.c:739 #9 0xffffffff80b398b9 in propagate_priority (td=0xfffff8002fbd9ff0) at ../../../kern/subr_turnstile.c:210 #10 0xffffffff80b3a59f in turnstile_wait (ts=, owner=, queue=) at ../../../kern/subr_turnstile.c:742 #11 0xffffffff80ad4364 in __rw_wlock_hard (c=, tid=, file=, line=) at ../../../kern/kern_rwlock.c:935 #12 0xffffffff80d0acaf in udp_disconnect (so=0xfffff8002f75a000) at ../../../netinet/udp_usrreq.c:1893 #13 0xffffffff80b724cc in soclose (so=0xfffff8002f75a000) at ../../../kern/uipc_socket.c:1046 #14 0xffffffff80a735ca in _fdrop (fp=0xfffff8001ab4ea50, td=0x10) at file.h:350 #15 0xffffffff80a770a4 in closef (fp=, td=) at ../../../kern/kern_descrip.c:2426 #16 0xffffffff80a73ac6 in closefp (fdp=0xfffff8001abb3000, fd=, fp=0xfffff8001ab4ea50, td=0xfffff8002fbda000, holdleaders=) at ../../../kern/kern_descrip.c:1189 #17 0xffffffff80fa168e in amd64_syscall (td=, traced=0) at subr_syscall.c:135 #18 0xffffffff80f8442b in Xfast_syscall () at ../../../amd64/amd64/exception.S:396 #19 0x00000008013ec77a in ?? () (kgdb) quit