mysqld.exe!unlink_block(st_pagecache * pagecache=0x00fd5200, st_pagecache_block_link * block=0x0348e0d0)  Line 1335 + 0x3 bytes	C
mysqld.exe!free_block(st_pagecache * pagecache=0x00000000, st_pagecache_block_link * block=0x0348e0d0)  Line 3615	C
mysqld.exe!flush_pagecache_blocks_int(st_pagecache * pagecache=0x00fd5200, st_pagecache_file * file=0x06f60a84, flush_type type=FLUSH_IGNORE_CHANGED, pagecache_flush_filter_result (pagecache_page_type, unsigned __int64, __int64, void *)* filter=0x00000000, void * filter_arg=0x00000000)  Line 4000 + 0x7 bytes	C
mysqld.exe!flush_pagecache_blocks_with_filter(st_pagecache * pagecache=0x00fd5200, st_pagecache_file * file=0x06f60a84, flush_type type=FLUSH_IGNORE_CHANGED, pagecache_flush_filter_result (pagecache_page_type, unsigned __int64, __int64, void *)* filter=0x00000000, void * filter_arg=0x00000000)  Line 4139 + 0x1e bytes	C
mysqld.exe!_ma_once_end_block_record(st_maria_share * share=0x06f60658)  Line 434 + 0x20 bytes	C
mysqld.exe!maria_close(st_maria_handler * info=0x0568c948)  Line 74 + 0x9 bytes	C
mysqld.exe!ha_maria::close()  Line 893 + 0x10 bytes	C++
mysqld.exe!handler::drop_table(const char * name=0x06b53a88)  Line 2466	C++
mysqld.exe!free_tmp_table(THD * thd=0x055c9e28, st_table * entry=0x06b53018)  Line 10817	C++
mysqld.exe!Materialized_cursor::close()  Line 649 + 0x10 bytes	C++
mysqld.exe!Materialized_cursor::fetch(unsigned long num_rows=4294967295)  Line 627 + 0x9 bytes	C++
mysqld.exe!mysql_stmt_fetch(THD * thd=0x055c9e28, char * packet=0xffffffff, unsigned int packet_length=8)  Line 2440	C++
mysqld.exe!dispatch_command(enum_server_command command=COM_STMT_FETCH, THD * thd=0x055c9e28, char * packet=0x06c26161, unsigned int packet_length=8)  Line 1090	C++
mysqld.exe!do_command(THD * thd=0x0000001c)  Line 789 + 0x13 bytes	C++
mysqld.exe!handle_one_connection(void * arg=0x055c9e28)  Line 1120 + 0xa bytes	C++
mysqld.exe!pthread_start(void * param=0x06e14f10)  Line 86 + 0x3 bytes	C
mysqld.exe!_callthreadstart()  Line 293 + 0x6 bytes	C


static void unlink_block(PAGECACHE *pagecache, PAGECACHE_BLOCK_LINK *block)
{
  DBUG_ENTER("unlink_block");
  DBUG_PRINT("unlink_block", ("unlink 0x%lx", (ulong)block));
  if (block->next_used == block)
  {
    /* The list contains only one member */
    pagecache->used_last= pagecache->used_ins= NULL;
  }
  else
  {
    block->next_used->prev_used= block->prev_used;  <-------- crash
    *block->prev_used= block->next_used;
    
    
    
local variables
----------------
    
    -		pagecache	0x00fd5200 _maria_pagecache_var {mem_size=8388600 min_warm_blocks=999 age_threshold=2994 ...}	st_pagecache *
		mem_size	8388600	unsigned int
		min_warm_blocks	999	unsigned long
		age_threshold	2994	unsigned long
		time	218579	unsigned __int64
		hash_entries	2048	unsigned long
		hash_links	1996	long
		hash_links_used	1003	long
		disk_blocks	998	long
		blocks_used	998	unsigned long
		blocks_unused	25	unsigned long
		blocks_changed	864	unsigned long
		warm_blocks	93	unsigned long
		cnt_for_resize_op	4	unsigned long
		blocks_available	0	unsigned long
		blocks	998	long
		block_size	8192	unsigned int
+		hash_root	0x03497550	st_pagecache_hash_link * *
+		hash_link_root	0x03499550 {next=0x034a2f18 prev=0x034a3a08 block=0x0348be18 ...}	st_pagecache_hash_link *
+		free_hash_list	0x0349eb48 {next=0x0349eb80 prev=0x034979f0 block=0x00000000 ...}	st_pagecache_hash_link *
+		free_block_list	0x034910f0 {next_used=0x03491098 prev_used=0x0348b898 next_changed=0x0348a9d0 ...}	st_pagecache_block_link *
+		block_root	0x03481e40 {next_used=0x03482680 prev_used=0x03482838 next_changed=0x03482838 ...}	st_pagecache_block_link *
+		block_mem	0x04920020 ""	unsigned char *
+		used_last	0x0348b898 {next_used=0x0348ba50 prev_used=0x0348c1e0 next_changed=0x0348e020 ...}	st_pagecache_block_link *
+		used_ins	0x0348d050 {next_used=0x0348b790 prev_used=0x0348b738 next_changed=0x0348b738 ...}	st_pagecache_block_link *
+		cache_lock	{DebugInfo=0x002dcff8 LockCount=-30 RecursionCount=1 ...}	_RTL_CRITICAL_SECTION
+		resize_queue	{last_thread=0x00000000 }	st_pagecache_wqueue
+		waiting_for_hash_link	{last_thread=0x00000000 }	st_pagecache_wqueue
+		waiting_for_block	{last_thread=0x00000000 }	st_pagecache_wqueue
+		changed_blocks	0x00fd528c	st_pagecache_block_link * [128]
+		file_blocks	0x00fd548c	st_pagecache_block_link * [128]
		param_buff_size	0	unsigned __int64
		param_block_size	0	unsigned long
		param_division_limit	0	unsigned long
		param_age_threshold	0	unsigned long
		global_blocks_changed	864	unsigned long
		global_cache_w_requests	45612	unsigned __int64
		global_cache_write	5686	unsigned __int64
		global_cache_r_requests	133016	unsigned __int64
		global_cache_read	48691	unsigned __int64
		shift	13	unsigned int
		readwrite_flags	36	int
		org_readwrite_flags	36	int
		inited	1 '?'	char
		resize_in_flush	0	char
		can_be_used	1 '?'	char
		in_init	0	char
+		files_in_flush	{key_offset=0 key_length=4 blength=2 ...}	st_hash

-		block	0x0348a9d0 {next_used=0x00000000 prev_used=0x0348b898 next_changed=0x0348a978 ...}	st_pagecache_block_link *
+		next_used	0x00000000 {next_used=??? prev_used=??? next_changed=??? ...}	st_pagecache_block_link *
+		prev_used	0x0348b898	st_pagecache_block_link * *
+		next_changed	0x0348a978 {next_used=0x00000000 prev_used=0x0348c1e0 next_changed=0x0348a920 ...}	st_pagecache_block_link *
+		prev_changed	0x00fd5328	st_pagecache_block_link * *
+		hash_link	0x00000000 {next=??? prev=??? block=??? ...}	st_pagecache_hash_link *
+		condvar	0x00000000 {waiting=??? lock_waiting={...} EVENTS=??? ...}	pthread_cond_t *
+		buffer	0x04c4c020 ""	unsigned char *
+		write_locker	0x058acfe0 {file=-1 read_callback=0x00766c00 write_callback=0x00766c50 ...}	st_pagecache_file *
		last_hit_time	0	unsigned __int64
+		wqueue	0x0348a9f8 {last_thread=0x00000000 }	st_pagecache_wqueue [3]
		requests	1	unsigned int
		status	0	unsigned int
		pins	0	unsigned int
		wlocks	0	unsigned int
		temperature	PCBLOCK_COLD	PCBLOCK_TEMPERATURE
		type	PAGECACHE_PLAIN_PAGE	pagecache_page_type
		hits_left	0	unsigned int
		rec_lsn	72057594037927935	__int64