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[Linux-cluster] GFS2 traceback related to DLM



I tried GFS2 on two-node cluster using GNBD. 

cfs1 - gnbd exports an IDE parition. Mount gfs2 directly on that IDE
partition.
cfs5 - gnbd imports the IDE parition. Mount gfs2 on top of gnbd device.

I'm using,

RHEL4 distro
Linux kernel 2.6.20.1 (from kernel.org)
cluster-2.00.00 (from tarball)
udev-094
openais-0.80.2

Everything seems to be working fine. But when I mounted GFS2 on the 2nd
node on top of gnbd device, I got these dlm related tracebacks. Plus
dlm_recvd and dlm_sendd process are spinning cpu on both the boxes. Note
the mount itself succeeded and I can use the filesystem from both the
nodes. 

I know GFS2 is new, but anyone solution to this problem?

I need to mention, I also see bunch of udev daemon related failure
mesgs. I'm guessing it is due using it on old RHEL4 distribution? Not
sure if that contributed to this spinlock problem reported here.

Ultimately I want to run bonnie test on this configuration. But don't
what to do that until the basic sanity of this GFS2 configuration is
established.

thanks,
Sridhar

cfs1:

Mar  7 17:45:53 cfs1 kernel: BUG: spinlock already unlocked on CPU#1,
dlm_recoverd/11046
Mar  7 17:45:53 cfs1 kernel:  lock: cc6b68e4, .magic: dead4ead, .owner:
<none>/-1, .owner_cpu: -1
Mar  7 17:45:53 cfs1 kernel:  [<c01d3012>] _raw_spin_unlock+0x29/0x6b
Mar  7 17:45:53 cfs1 kernel:  [<e0969912>]
dlm_lowcomms_get_buffer+0x6c/0xe7 [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e09661df>] create_rcom+0x2d/0xb3 [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e09663b0>] dlm_rcom_status+0x5a/0x10b
[dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e096593e>] make_member_array+0x84/0x14c
[dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e0965a3d>] ping_members+0x37/0x6e [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e0966e01>]
dlm_set_recover_status+0x14/0x24 [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e0965bd8>]
dlm_recover_members+0x164/0x1a1 [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e0967b4e>] ls_recover+0x67/0x2c6 [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e0967e0a>] do_ls_recovery+0x5d/0x75
[dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e0967e22>] dlm_recoverd+0x0/0x74 [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<e0967e7d>] dlm_recoverd+0x5b/0x74 [dlm]
Mar  7 17:45:53 cfs1 kernel:  [<c012e4aa>] kthread+0x72/0x96
Mar  7 17:45:53 cfs1 kernel:  [<c012e438>] kthread+0x0/0x96
Mar  7 17:45:53 cfs1 kernel:  [<c010405f>] kernel_thread_helper+0x7/0x10


cfs2:

Mar  7 17:43:28 cfs5 gnbd_monitor[10552]: gnbd_monitor started.
Monitoring device #0 
Mar  7 17:43:28 cfs5 gnbd_recvd[10555]: gnbd_recvd started 
Mar  7 17:43:28 cfs5 kernel: resending requests
Mar  7 17:43:33 cfs5 udevsend[10560]: starting udevd daemon
Mar  7 17:43:35 cfs5 udevsend[10560]: unable to connect to event daemon,
try to call udev directly
Mar  7 17:45:51 cfs5 kernel: GFS2: fsid=: Trying to join cluster
"lock_dlm", "ciscogfs2:hda9"
Mar  7 17:45:53 cfs5 udevsend[10598]: starting udevd daemon
Mar  7 17:45:53 cfs5 udevsend[10599]: starting udevd daemon
Mar  7 17:45:53 cfs5 udevsend[10610]: starting udevd daemon
Mar  7 17:45:53 cfs5 kernel: dlm: got connection from 1
Mar  7 17:45:53 cfs5 kernel: BUG: spinlock already unlocked on CPU#0,
dlm_recvd/10593
Mar  7 17:45:53 cfs5 kernel:  lock: c8d467e4, .magic: dead4ead, .owner:
<none>/-1, .owner_cpu: -1
Mar  7 17:45:53 cfs5 kernel:  [<c01d62d2>] _raw_spin_unlock+0x29/0x6b
Mar  7 17:45:53 cfs5 kernel:  [<e0c080a2>]
dlm_lowcomms_get_buffer+0x6c/0xe7 [dlm]
Mar  7 17:45:53 cfs5 kernel:  [<e0c041f3>] create_rcom+0x2d/0xb3 [dlm]
Mar  7 17:45:53 cfs5 kernel:  [<e0c044a4>] receive_rcom_status+0x2f/0x74
[dlm]
Mar  7 17:45:53 cfs5 kernel:  [<e0c02dd6>]
dlm_find_lockspace_global+0x3c/0x41 [dlm]
Mar  7 17:45:53 cfs5 kernel:  [<e0c04bca>] dlm_receive_rcom+0xc1/0x17f
[dlm]
Mar  7 17:45:53 cfs5 udevsend[10617]: starting udevd daemon
Mar  7 17:45:54 cfs5 udevsend[10626]: starting udevd daemon
Mar  7 17:45:54 cfs5 udevsend[10628]: starting udevd daemon
Mar  7 17:45:55 cfs5 udevsend[10598]: unable to connect to event daemon,
try to call udev directly
Mar  7 17:45:55 cfs5 udevsend[10599]: unable to connect to event daemon,
try to call udev directly
Mar  7 17:45:55 cfs5 udevsend[10610]: unable to connect to event daemon,
try to call udev directly
Mar  7 17:45:55 cfs5 kernel:  [<e0c04157>]
dlm_process_incoming_buffer+0x148/0x1ad [dlm]
Mar  7 17:45:59 cfs5 udevsend[10617]: unable to connect to event daemon,
try to call udev directly
Mar  7 17:46:00 cfs5 udevsend[10626]: unable to connect to event daemon,
try to call udev directly
Mar  7 17:46:02 cfs5 udevsend[10628]: unable to connect to event daemon,
try to call udev directly
Mar  7 17:46:05 cfs5 kernel:  [<c012e862>]
autoremove_wake_function+0x0/0x33
Mar  7 17:46:09 cfs5 kernel:  [<c0146e7d>] __alloc_pages+0x61/0x2ad
Mar  7 17:46:10 cfs5 kernel:  [<e0c0790a>] receive_from_sock+0x178/0x246
[dlm]
Mar  7 17:46:10 cfs5 kernel:  [<e0c08470>] process_sockets+0x55/0x90
[dlm]
Mar  7 17:46:11 cfs5 kernel:  [<e0c085c6>] dlm_recvd+0x0/0x69 [dlm]
Mar  7 17:46:11 cfs5 kernel:  [<e0c08620>] dlm_recvd+0x5a/0x69 [dlm]
Mar  7 17:46:12 cfs5 kernel:  [<c012e51a>] kthread+0x72/0x96
Mar  7 17:46:12 cfs5 kernel:  [<c012e4a8>] kthread+0x0/0x96
Mar  7 17:46:13 cfs5 kernel:  [<c010405f>] kernel_thread_helper+0x7/0x10
Mar  7 17:46:14 cfs5 kernel:  =======================
Mar  7 17:46:14 cfs5 kernel: dlm: hda9: recover 1
Mar  7 17:46:15 cfs5 kernel: dlm: hda9: add member 1
Mar  7 17:46:15 cfs5 kernel: dlm: hda9: add member 2
Mar  7 17:46:16 cfs5 kernel: dlm: hda9: total members 2 error 0
Mar  7 17:46:17 cfs5 kernel: dlm: hda9: dlm_recover_directory
Mar  7 17:46:18 cfs5 kernel: dlm: hda9: dlm_recover_directory 12 entries
Mar  7 17:46:19 cfs5 kernel: GFS2: fsid=ciscogfs2:hda9.1: Joined
cluster. Now mounting FS...
Mar  7 17:46:20 cfs5 kernel: dlm: hda9: recover 1 done: 348 ms
Mar  7 17:46:21 cfs5 kernel: GFS2: fsid=ciscogfs2:hda9.1: jid=1, already
locked for use
Mar  7 17:46:22 cfs5 kernel: GFS2: fsid=ciscogfs2:hda9.1: jid=1: Looking
at journal...
Mar  7 17:46:23 cfs5 kernel: GFS2: fsid=ciscogfs2:hda9.1: jid=1: Done

> -----Original Message-----
> From: linux-cluster-bounces redhat com 
> [mailto:linux-cluster-bounces redhat com] On Behalf Of Dan Merillat
> Sent: Wednesday, January 24, 2007 9:08 PM
> To: linux-kernel vger kernel org
> Cc: linux-cluster redhat com
> Subject: [Linux-cluster] 2.6.20-rc4 gfs2 bug
> 
> Running 2.6.20-rc4 _WITH_ the following patch: (Shouldn't be 
> the issue,
> but just in case, I'm listing it here)
> 


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