From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: xfs_btree_cur leak with 3.5-rc4 Date: Mon, 2 Jul 2012 15:14:12 -0400 Message-ID: <20120702191412.GA3617@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: xfs-bounces@oss.sgi.com Errors-To: xfs-bounces@oss.sgi.com To: xfs@oss.sgi.com Cc: dm-devel@redhat.com List-Id: dm-devel.ids I get kmemleak reports against XFS when I run the thinp-test-suite against 3.5-rc4. I didn't see any XFS leaks with 3.4. kmemleak reports: unreferenced object 0xffff8802767798a0 (size 208): comm "kworker/4:1", pid 25239, jiffies 4799921469 (age 5830.005s) hex dump (first 32 bytes): 70 5c 6b ab 02 88 ff ff 00 58 0d 2c 03 88 ff ff p\k......X.,.... c0 8e 7d a0 ff ff ff ff 04 00 00 00 00 00 00 00 ..}............. backtrace: [] kmemleak_alloc+0x5e/0xc0 [] kmem_cache_alloc+0x103/0x1d0 [] kmem_zone_alloc+0x77/0xf0 [xfs] [] kmem_zone_zalloc+0x1e/0x50 [xfs] [] xfs_allocbt_init_cursor+0x4c/0xd0 [xfs] [] xfs_alloc_ag_vextent_near+0x68/0xb70 [xfs] [] xfs_alloc_ag_vextent+0xd5/0x100 [xfs] [] __xfs_alloc_vextent+0x2a4/0x5f0 [xfs] [] xfs_alloc_vextent_worker+0x4a/0x80 [xfs] [] process_one_work+0x132/0x450 [] worker_thread+0x17b/0x3c0 [] kthread+0x9e/0xb0 [] kernel_thread_helper+0x4/0x10 [] 0xffffffffffffffff unloading the xfs module reports: slab error in kmem_cache_destroy(): cache `xfs_btree_cur': Can't free all objects Pid: 26305, comm: modprobe Tainted: G W O 3.5.0-rc4.cache+ #2 Call Trace: [] kmem_cache_destroy+0xaf/0xe0 [] xfs_destroy_zones+0xc4/0x110 [xfs] [] exit_xfs_fs+0x33/0x35 [xfs] [] sys_delete_module+0x1cf/0x2c0 [] ? __audit_syscall_entry+0xcc/0x210 [] system_call_fastpath+0x16/0x1b _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs