From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Mueller Subject: ceph_dentry_info: Objects remaining on kmem_cache_close() (ceph-client-standalone/master-backport on kernel 2.6.32) Date: Sat, 5 Jun 2010 09:05:21 +0000 (UTC) Message-ID: Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Return-path: Received: from lo.gmane.org ([80.91.229.12]:37127 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932576Ab0FEJFg (ORCPT ); Sat, 5 Jun 2010 05:05:36 -0400 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OKpJr-0003KU-MR for ceph-devel@vger.kernel.org; Sat, 05 Jun 2010 11:05:31 +0200 Received: from 80-219-106-215.dclient.hispeed.ch ([80.219.106.215]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 05 Jun 2010 11:05:31 +0200 Received: from thomas by 80-219-106-215.dclient.hispeed.ch with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Sat, 05 Jun 2010 11:05:31 +0200 Sender: ceph-devel-owner@vger.kernel.org List-ID: To: ceph-devel@vger.kernel.org hi i get the kernel messages below if I do a "modprobe -r ceph". system: Debian Squeeze kernel: 2.6.32 kclient: ceph-client-standalone branch master-backport - Thomas kernel: [ 398.964535] ceph: loaded (mon/mds/osd proto 15/32/24, osdmap 5/5 5/5) kernel: [ 400.701544] ceph: client4101 fsid f233d1fe-24b6-6458-0764-364f3b1e250d kernel: [ 400.701794] ceph: mon1 127.0.0.1:6789 session established kernel: [ 1427.320842] ============================================================================= kernel: [ 1427.320852] BUG ceph_dentry_info: Objects remaining on kmem_cache_close() kernel: [ 1427.320857] ----------------------------------------------------------------------------- kernel: [ 1427.320861] kernel: [ 1427.320868] INFO: Slab 0xffffea0003b766a8 objects=51 used=4 fp=0xffff88010fd43fa0 flags=0x200000000000080 kernel: [ 1427.320878] Pid: 25898, comm: modprobe Not tainted 2.6.32-3- amd64 #1 kernel: [ 1427.320883] Call Trace: kernel: [ 1427.320899] [] ? slab_err+0xba/0xdf kernel: [ 1427.320910] [] ? bit_waitqueue+0x10/0xa0 kernel: [ 1427.320922] [] ? generic_exec_single +0x64/0x7f kernel: [ 1427.320931] [] ? flush_cpu_slab+0x0/0x39 kernel: [ 1427.320939] [] ? list_slab_objects +0xa3/0x16a kernel: [ 1427.320947] [] ? flush_cpu_slab+0x0/0x39 kernel: [ 1427.320955] [] ? add_partial+0x11/0x58 kernel: [ 1427.320963] [] ? deactivate_slab+0xb4/0xcd kernel: [ 1427.320973] [] ? kmem_cache_destroy +0x105/0x1f6 kernel: [ 1427.320993] [] ? destroy_caches+0x28/0x36 [ceph] kernel: [ 1427.321006] [] ? exit_ceph+0x1a/0x26 [ceph] kernel: [ 1427.321015] [] ? sys_delete_module +0x1d2/0x258 kernel: [ 1427.321025] [] ? do_page_fault+0x266/0x282 kernel: [ 1427.321036] [] ? __up_read+0x13/0x8e kernel: [ 1427.321047] [] ? system_call_fastpath +0x16/0x1b kernel: [ 1427.321060] INFO: Object 0xffff88010fd437d0 @offset=2000 kernel: [ 1427.321066] INFO: Object 0xffff88010fd43820 @offset=2080 kernel: [ 1427.321071] INFO: Object 0xffff88010fd43870 @offset=2160 kernel: [ 1427.321076] INFO: Object 0xffff88010fd438c0 @offset=2240 kernel: [ 1427.321083] ============================================================================= kernel: [ 1427.321089] BUG ceph_dentry_info: Objects remaining on kmem_cache_close() kernel: [ 1427.321094] ----------------------------------------------------------------------------- kernel: [ 1427.321097] kernel: [ 1427.321104] INFO: Slab 0xffffea00019228b8 objects=51 used=1 fp=0xffff880072e717d0 flags=0x100000000000080 kernel: [ 1427.321112] Pid: 25898, comm: modprobe Not tainted 2.6.32-3- amd64 #1 kernel: [ 1427.321116] Call Trace: kernel: [ 1427.321123] [] ? slab_err+0xba/0xdf kernel: [ 1427.321134] [] ? printk+0x4e/0x5c kernel: [ 1427.321143] [] ? generic_exec_single +0x64/0x7f kernel: [ 1427.321151] [] ? flush_cpu_slab+0x0/0x39 kernel: [ 1427.321160] [] ? list_slab_objects +0xa3/0x16a kernel: [ 1427.321168] [] ? flush_cpu_slab+0x0/0x39 kernel: [ 1427.321176] [] ? add_partial+0x11/0x58 kernel: [ 1427.321184] [] ? deactivate_slab+0xb4/0xcd kernel: [ 1427.321193] [] ? kmem_cache_destroy +0x105/0x1f6 kernel: [ 1427.321207] [] ? destroy_caches+0x28/0x36 [ceph] kernel: [ 1427.321220] [] ? exit_ceph+0x1a/0x26 [ceph] kernel: [ 1427.321228] [] ? sys_delete_module +0x1d2/0x258 kernel: [ 1427.321237] [] ? do_page_fault+0x266/0x282 kernel: [ 1427.321246] [] ? __up_read+0x13/0x8e kernel: [ 1427.321255] [] ? system_call_fastpath +0x16/0x1b kernel: [ 1427.321269] INFO: Object 0xffff880072e71460 @offset=1120 kernel: [ 1427.321276] SLUB ceph_dentry_info: kmem_cache_destroy called for cache that still has objects. kernel: [ 1427.321284] Pid: 25898, comm: modprobe Not tainted 2.6.32-3- amd64 #1 kernel: [ 1427.321288] Call Trace: kernel: [ 1427.321297] [] ? kmem_cache_destroy +0x19c/0x1f6 kernel: [ 1427.321311] [] ? destroy_caches+0x28/0x36 [ceph] kernel: [ 1427.321324] [] ? exit_ceph+0x1a/0x26 [ceph] kernel: [ 1427.321332] [] ? sys_delete_module +0x1d2/0x258 kernel: [ 1427.321340] [] ? do_page_fault+0x266/0x282 kernel: [ 1427.321349] [] ? __up_read+0x13/0x8e kernel: [ 1427.321358] [] ? system_call_fastpath +0x16/0x1b