* ceph_dentry_info: Objects remaining on kmem_cache_close() (ceph-client-standalone/master-backport on kernel 2.6.32)
@ 2010-06-05 9:05 Thomas Mueller
2010-06-05 9:16 ` Wido den Hollander
0 siblings, 1 reply; 3+ messages in thread
From: Thomas Mueller @ 2010-06-05 9:05 UTC (permalink / raw)
To: ceph-devel
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] [<ffffffff810e3397>] ? slab_err+0xba/0xdf
kernel: [ 1427.320910] [<ffffffff81064977>] ? bit_waitqueue+0x10/0xa0
kernel: [ 1427.320922] [<ffffffff81074a3b>] ? generic_exec_single
+0x64/0x7f
kernel: [ 1427.320931] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
kernel: [ 1427.320939] [<ffffffff810e43dd>] ? list_slab_objects
+0xa3/0x16a
kernel: [ 1427.320947] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
kernel: [ 1427.320955] [<ffffffff810e3087>] ? add_partial+0x11/0x58
kernel: [ 1427.320963] [<ffffffff810e3d97>] ? deactivate_slab+0xb4/0xcd
kernel: [ 1427.320973] [<ffffffff810e78f3>] ? kmem_cache_destroy
+0x105/0x1f6
kernel: [ 1427.320993] [<ffffffffa04752d1>] ? destroy_caches+0x28/0x36
[ceph]
kernel: [ 1427.321006] [<ffffffffa0493cd2>] ? exit_ceph+0x1a/0x26 [ceph]
kernel: [ 1427.321015] [<ffffffff81078657>] ? sys_delete_module
+0x1d2/0x258
kernel: [ 1427.321025] [<ffffffff8103289b>] ? do_page_fault+0x266/0x282
kernel: [ 1427.321036] [<ffffffff8118b1f1>] ? __up_read+0x13/0x8e
kernel: [ 1427.321047] [<ffffffff81010b42>] ? 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] [<ffffffff810e3397>] ? slab_err+0xba/0xdf
kernel: [ 1427.321134] [<ffffffff812ed452>] ? printk+0x4e/0x5c
kernel: [ 1427.321143] [<ffffffff81074a3b>] ? generic_exec_single
+0x64/0x7f
kernel: [ 1427.321151] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
kernel: [ 1427.321160] [<ffffffff810e43dd>] ? list_slab_objects
+0xa3/0x16a
kernel: [ 1427.321168] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
kernel: [ 1427.321176] [<ffffffff810e3087>] ? add_partial+0x11/0x58
kernel: [ 1427.321184] [<ffffffff810e3d97>] ? deactivate_slab+0xb4/0xcd
kernel: [ 1427.321193] [<ffffffff810e78f3>] ? kmem_cache_destroy
+0x105/0x1f6
kernel: [ 1427.321207] [<ffffffffa04752d1>] ? destroy_caches+0x28/0x36
[ceph]
kernel: [ 1427.321220] [<ffffffffa0493cd2>] ? exit_ceph+0x1a/0x26 [ceph]
kernel: [ 1427.321228] [<ffffffff81078657>] ? sys_delete_module
+0x1d2/0x258
kernel: [ 1427.321237] [<ffffffff8103289b>] ? do_page_fault+0x266/0x282
kernel: [ 1427.321246] [<ffffffff8118b1f1>] ? __up_read+0x13/0x8e
kernel: [ 1427.321255] [<ffffffff81010b42>] ? 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] [<ffffffff810e798a>] ? kmem_cache_destroy
+0x19c/0x1f6
kernel: [ 1427.321311] [<ffffffffa04752d1>] ? destroy_caches+0x28/0x36
[ceph]
kernel: [ 1427.321324] [<ffffffffa0493cd2>] ? exit_ceph+0x1a/0x26 [ceph]
kernel: [ 1427.321332] [<ffffffff81078657>] ? sys_delete_module
+0x1d2/0x258
kernel: [ 1427.321340] [<ffffffff8103289b>] ? do_page_fault+0x266/0x282
kernel: [ 1427.321349] [<ffffffff8118b1f1>] ? __up_read+0x13/0x8e
kernel: [ 1427.321358] [<ffffffff81010b42>] ? system_call_fastpath
+0x16/0x1b
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: ceph_dentry_info: Objects remaining on kmem_cache_close() (ceph-client-standalone/master-backport on kernel 2.6.32)
2010-06-05 9:05 ceph_dentry_info: Objects remaining on kmem_cache_close() (ceph-client-standalone/master-backport on kernel 2.6.32) Thomas Mueller
@ 2010-06-05 9:16 ` Wido den Hollander
2010-06-05 9:21 ` Thomas Mueller
0 siblings, 1 reply; 3+ messages in thread
From: Wido den Hollander @ 2010-06-05 9:16 UTC (permalink / raw)
To: Thomas Mueller; +Cc: ceph-devel
Hi,
That's a known issue, already reported on:
http://tracker.newdream.net/issues/139
FYI, still present with the 2.6.35 kernel.
--
Met vriendelijke groet,
Wido den Hollander
Hoofd Systeembeheer / CSO
Telefoon Support Nederland: 0900 9633 (45 cpm)
Telefoon Support België: 0900 70312 (45 cpm)
Telefoon Direct: (+31) (0)20 50 60 104
Fax: +31 (0)20 50 60 111
E-mail: support@pcextreme.nl
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Kennisbank: http://support.pcextreme.nl/
Netwerkstatus: http://nmc.pcextreme.nl
On Sat, 2010-06-05 at 09:05 +0000, Thomas Mueller wrote:
> 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] [<ffffffff810e3397>] ? slab_err+0xba/0xdf
> kernel: [ 1427.320910] [<ffffffff81064977>] ? bit_waitqueue+0x10/0xa0
> kernel: [ 1427.320922] [<ffffffff81074a3b>] ? generic_exec_single
> +0x64/0x7f
> kernel: [ 1427.320931] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
> kernel: [ 1427.320939] [<ffffffff810e43dd>] ? list_slab_objects
> +0xa3/0x16a
> kernel: [ 1427.320947] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
> kernel: [ 1427.320955] [<ffffffff810e3087>] ? add_partial+0x11/0x58
> kernel: [ 1427.320963] [<ffffffff810e3d97>] ? deactivate_slab+0xb4/0xcd
> kernel: [ 1427.320973] [<ffffffff810e78f3>] ? kmem_cache_destroy
> +0x105/0x1f6
> kernel: [ 1427.320993] [<ffffffffa04752d1>] ? destroy_caches+0x28/0x36
> [ceph]
> kernel: [ 1427.321006] [<ffffffffa0493cd2>] ? exit_ceph+0x1a/0x26 [ceph]
> kernel: [ 1427.321015] [<ffffffff81078657>] ? sys_delete_module
> +0x1d2/0x258
> kernel: [ 1427.321025] [<ffffffff8103289b>] ? do_page_fault+0x266/0x282
> kernel: [ 1427.321036] [<ffffffff8118b1f1>] ? __up_read+0x13/0x8e
> kernel: [ 1427.321047] [<ffffffff81010b42>] ? 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] [<ffffffff810e3397>] ? slab_err+0xba/0xdf
> kernel: [ 1427.321134] [<ffffffff812ed452>] ? printk+0x4e/0x5c
> kernel: [ 1427.321143] [<ffffffff81074a3b>] ? generic_exec_single
> +0x64/0x7f
> kernel: [ 1427.321151] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
> kernel: [ 1427.321160] [<ffffffff810e43dd>] ? list_slab_objects
> +0xa3/0x16a
> kernel: [ 1427.321168] [<ffffffff810e3db0>] ? flush_cpu_slab+0x0/0x39
> kernel: [ 1427.321176] [<ffffffff810e3087>] ? add_partial+0x11/0x58
> kernel: [ 1427.321184] [<ffffffff810e3d97>] ? deactivate_slab+0xb4/0xcd
> kernel: [ 1427.321193] [<ffffffff810e78f3>] ? kmem_cache_destroy
> +0x105/0x1f6
> kernel: [ 1427.321207] [<ffffffffa04752d1>] ? destroy_caches+0x28/0x36
> [ceph]
> kernel: [ 1427.321220] [<ffffffffa0493cd2>] ? exit_ceph+0x1a/0x26 [ceph]
> kernel: [ 1427.321228] [<ffffffff81078657>] ? sys_delete_module
> +0x1d2/0x258
> kernel: [ 1427.321237] [<ffffffff8103289b>] ? do_page_fault+0x266/0x282
> kernel: [ 1427.321246] [<ffffffff8118b1f1>] ? __up_read+0x13/0x8e
> kernel: [ 1427.321255] [<ffffffff81010b42>] ? 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] [<ffffffff810e798a>] ? kmem_cache_destroy
> +0x19c/0x1f6
> kernel: [ 1427.321311] [<ffffffffa04752d1>] ? destroy_caches+0x28/0x36
> [ceph]
> kernel: [ 1427.321324] [<ffffffffa0493cd2>] ? exit_ceph+0x1a/0x26 [ceph]
> kernel: [ 1427.321332] [<ffffffff81078657>] ? sys_delete_module
> +0x1d2/0x258
> kernel: [ 1427.321340] [<ffffffff8103289b>] ? do_page_fault+0x266/0x282
> kernel: [ 1427.321349] [<ffffffff8118b1f1>] ? __up_read+0x13/0x8e
> kernel: [ 1427.321358] [<ffffffff81010b42>] ? system_call_fastpath
> +0x16/0x1b
>
> --
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^ permalink raw reply [flat|nested] 3+ messages in thread
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2010-06-05 9:05 ceph_dentry_info: Objects remaining on kmem_cache_close() (ceph-client-standalone/master-backport on kernel 2.6.32) Thomas Mueller
2010-06-05 9:16 ` Wido den Hollander
2010-06-05 9:21 ` Thomas Mueller
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