dhandle locking

(gdb) thread 2

[Switching to thread 2 (Thread 802007400 (LWP 100228/wtperf))]#0  0x0000000800d1a87c in pthread_kill () from /lib/libthr.so.3

(gdb) where

#0  0x0000000800d1a87c in pthread_kill () from /lib/libthr.so.3

WT-1  0x0000000800d1b8c9 in pthread_kill () from /lib/libthr.so.3

WT-2  0x00000000004166c5 in __wt_thread_join (session=0x80204b000, 

    tid=0x802008800) at ../src/os_posix/os_thread.c:35

WT-3  0x000000000040c9b8 in __wt_connection_close (conn=0x80201fb00)

    at ../src/conn/conn_open.c:118

WT-4  0x0000000000408c37 in __conn_close (wt_conn=0x80201fb00, config=0x0)

    at ../src/conn/conn_api.c:518

WT-5  0x00000000004053dd in main (argc=5, argv=0x7fffffffd9a0)

    at ../../../bench/wtperf/wtperf.c:1064

(gdb) thread 1

[Switching to thread 1 (Thread 802008800 (LWP 104683/wtperf))]#0  0x00000000004311e1 in __evict_walk (session=0x80204b210, entriesp=0x7fffff7fbed4, clean=1)

    at ../src/btree/bt_evict.c:722

722			if (!WT_PREFIX_MATCH(dhandle->name, "file:") ||

(gdb) where

#0  0x00000000004311e1 in __evict_walk (session=0x80204b210, 

    entriesp=0x7fffff7fbed4, clean=1) at ../src/btree/bt_evict.c:722

WT-1  0x0000000000430f09 in __evict_lru (session=0x80204b210, clean=1)

    at ../src/btree/bt_evict.c:631

WT-2  0x0000000000430243 in __evict_worker (session=0x80204b210)

    at ../src/btree/bt_evict.c:252

WT-3  0x000000000042fe93 in __wt_cache_evict_server (arg=0x80204b210)

    at ../src/btree/bt_evict.c:160

WT-4  0x0000000800d130a4 in pthread_getprio () from /lib/libthr.so.3

WT-5  0x0000000000000000 in ?? ()

Cannot access memory at address 0x7fffff7fc000

(gdb) p dhandle

$1 = (WT_DATA_HANDLE *) 0xabababababababab