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<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>Hi All</span></font></p>
<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>
I find a hang issue when trying to mount an ocfs2 partition in a cluster
environment. Machine 1 and machine 2 share a raid array.</span></font></p>
<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>
Steps to reproduce: (m1 represent machine 1, and m2 represent machine 2)</span></font></p>
<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>
First In m1</span></font></p>
<p class=MsoNormal style='margin-left:39.0pt;text-indent:-18.0pt;layout-grid-mode:
char'><font size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>1.</span></font><font size=1><span lang=EN-US
style='font-size:7.0pt'> </span></font><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>load_ocfs2</span></font></p>
<p class=MsoNormal style='margin-left:39.0pt;text-indent:-18.0pt;layout-grid-mode:
char'><font size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>2.</span></font><font size=1><span lang=EN-US
style='font-size:7.0pt'> </span></font><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>mkfs.ocfs2
–b 4 –F –L ocfs2 –m /ocfs /dev/sdd2</span></font></p>
<p class=MsoNormal style='margin-left:39.0pt;text-indent:-18.0pt;layout-grid-mode:
char'><font size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>3.</span></font><font size=1><span lang=EN-US
style='font-size:7.0pt'> </span></font><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>mount
/dev/sdd2 /ocfs –t ocfs2</span></font></p>
<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal style='margin-left:21.0pt;layout-grid-mode:char'><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>Then
in m2</span></font></p>
<p class=MsoNormal style='margin-left:39.0pt;text-indent:-18.0pt;layout-grid-mode:
char'><font size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>1.</span></font><font size=1><span lang=EN-US
style='font-size:7.0pt'> </span></font><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>load_ocfs2</span></font></p>
<p class=MsoNormal style='margin-left:39.0pt;text-indent:-18.0pt;layout-grid-mode:
char'><font size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;
font-family:Arial'>2.</span></font><font size=1><span lang=EN-US
style='font-size:7.0pt'> </span></font><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>mount
/dev/sdd2 /ocfs –t ocfs2 <===System hangs and the
following is the call trace information</span></font></p>
<p class=MsoNormal style='margin-left:21.0pt;layout-grid-mode:char'><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoPlainText style='layout-grid-mode:char'><font size=2 face=宋体><span
lang=EN-US style='font-size:10.5pt'>Oracle Cluster FileSystem x y (build z)<br>
ocfs2: hostname is westvile2<br>
sectbits=9, clusterbits=12, dirbits=17, filebits=9<br>
ocfs2: Adding west1 (node 0) to clustered device (8,66)<br>
(3263) ERROR at /root/ocfs/ocfs2-6/src/dlm.c, 1395: DISKVOTE!!: req_lock=2,
flags=40000401, offset=1532416, inode=3<br>
(3263) ERROR at /root/ocfs/ocfs2-6/src/dlm.c, 1398: DISKVOTE!!: this=1,
master=0, locktype=0, ronode=-1, romap=00000000<br>
Call Trace: <br>
[<dc16dbf4>] (0xdc16dbf4)</span></font></p>
<p class=MsoPlainText style='layout-grid-mode:char'><font size=2 face=宋体><span
style='font-size:10.5pt'>………<span lang=EN-US><br>
[<c0ed0000>] (0xdc16dfd0)<br>
[<ffffe410>] (0xdc16dfec)<br>
<br>
(3263) ERROR at /root/ocfs/ocfs2-6/src/dlm.c, 1395: DISKVOTE!!: req_lock=2,
flags=40000401, offset=1532416, inode=3<br>
(3263) ERROR at /root/ocfs/ocfs2-6/src/dlm.c, 1398: DISKVOTE!!: this=1,
master=0, locktype=0, ronode=-1, romap=00000000<br>
Call Trace: <br>
[<dc16dbf4>] (0xdc16dbf4)<br>
[<ffffffff>] (0xdc16dc04)</span></span></font></p>
<p class=MsoPlainText style='layout-grid-mode:char'><font size=2 face=宋体><span
style='font-size:10.5pt'>………<span lang=EN-US>..<br>
[<c0105f71>] (0xdc16dfc0)<br>
[<c0ed0000>] (0xdc16dfd0)<br>
[<ffffe410>] (0xdc16dfec)<br>
<br>
ocfs2: Removing west1 (node 0) from clustered device (8,66)<br>
ocfs2: Recovering node 0 from device (8,66)<br>
(fs/jbd/recovery.c, 255): journal_recover: JBD: recovery, exit status 0,
recovered transactions 5 to 5<br>
(fs/jbd/recovery.c, 257): journal_recover: JBD: Replayed 0 and revoked 0/0
blocks<br>
kjournald starting. Commit interval 5 seconds<br>
Unable to handle kernel NULL pointer dereference at virtual address 0000001c<br>
printing eip:<br>
e0ad4eeb<br>
*pde = 1dfef067<br>
*pte = 00000000<br>
Oops: 0000 [#1]<br>
SMP <br>
CPU: 2<br>
EIP: 0060:[<e0ad4eeb>] Not tainted<br>
EFLAGS: 00010286 (2.6.6) <br>
EIP is at ocfs_bh_sem_lookup+0x1b/0x370 [ocfs2]<br>
eax: 00000000 ebx: 00000800 ecx: db405dc4
edx: 00000000<br>
esi: 00000000 edi: 00000000 ebp: dbe51e84
esp: dbe51e44<br>
ds: 007b es: 007b ss: 0068<br>
Process ocfs2rec-0 (pid: 3267, threadinfo=dbe50000 task=dd3ed480)<br>
Stack: db58d378 dc2ee600 db58d378 c1416be0 00014025 88ad2fc6 000000ba dd3ed630 <br>
c1416be0 c0498e20 dbe51ea8 00000000
c0498e20 00000000 00000000 00000000 <br>
dbe51e98 e0ad5257 00000000 00000000
00000000 dbe51efc e0ac175b 00000000 <br>
Call Trace:<br>
[<e0ad5257>] ocfs_bh_sem_lock+0x17/0x60 [ocfs2]<br>
[<e0ac175b>] ocfs_sync_local_to_main+0x9b/0x7e0 [ocfs2]<br>
[<e0ad4c90>] ocfs_bh_sem_put+0x20/0xb0 [ocfs2]<br>
[<e0ad5472>] ocfs_bh_sem_unlock+0x32/0x50 [ocfs2]<br>
[<e0adee39>] ocfs_read_bhs+0x3f9/0x8e0 [ocfs2]<br>
[<e0ac369d>] ocfs_shutdown_local_alloc+0xdd/0x350 [ocfs2]<br>
[<e0ac39f7>] ocfs_recover_local_alloc+0xe7/0x1c6 [ocfs2]<br>
[<e0ae4ac9>] ocfs_recover_vol+0x699/0xc70 [ocfs2]<br>
[<e0ae4163>] __ocfs_recovery_thread+0x113/0x1e0 [ocfs2]<br>
[<e0ae4050>] __ocfs_recovery_thread+0x0/0x1e0 [ocfs2]<br>
[<c01042e5>] kernel_thread_helper+0x5/0x10<br>
</span></span></font><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'>
Any ideas on this issue? </span></font></p>
<p class=MsoNormal style='layout-grid-mode:char'><font size=1 face=Arial><span
lang=EN-US style='font-size:9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal style='text-indent:22.5pt;layout-grid-mode:char'><font
size=1 face=Arial><span lang=EN-US style='font-size:9.0pt;font-family:Arial'>Thanx.</span></font></p>
<p class=MsoNormal><b><i><font size=2 color="#333399" face="Times New Roman"><span
lang=EN-US style='font-size:10.5pt;color:#333399;font-weight:bold;font-style:
italic'>Aaron</span></font></i></b></p>
<p class=MsoNormal><font size=2 color="#333399" face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:#333399'>Intel </span></font><font
size=2 face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial'><font color="#333399"><span style='color:#333399'>China</span></font><font color="#333399"><span
style='color:#333399'> Software Lab</span></font></span></font></p>
<p class=MsoNormal><font size=2 color="#333399" face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:#333399'>Tel:
8621-52574545 Ext.1587</span></font></p>
<p class=MsoNormal><font size=2 color="#333399" face=Arial><span lang=EN-US
style='font-size:10.0pt;font-family:Arial;color:#333399'>E_mail:<a
href="mailto:yukun.chen@intel.com">yukun.chen@intel.com</a></span></font></p>
<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US> </span></font></p>
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