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<p class=MsoNormal><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><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Steps to duplicate:</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>1.Do some operation ,such as mkdir&touch , on node
A and node B</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>2.on node A process1 write to a file at a
specific position(such as offset 1000) ,100 times</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>2.also on node A, at the same time , process2 write to
the same file at the </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>same position, 100 times</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Repeat step 1-2 several times, system will hang with
the following message found in node A:</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>state=1, lockid=22765568, flags = 0x1000, asked type =
5 master = 1, state = 0x0, type = 5</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>(18397) ERROR at /tmp/trunk/src/dlm.c, 461: status =
-110</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>(18397) ERROR at /tmp/trunk/src/vote.c, 910: inode
5558, vote_status=0, vote_state=1, lockid=22765568, flags = 0x1000, asked type
= 5 master = 1, state = 0x0, type = 5</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>...</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>on node B , error message with dmesg:</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Call Trace:</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>recalc_task_prio</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>shedule</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>ocfs_comm_process_msg</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>ocfs_dlm_recv_msg</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>worker_thread</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>ocfs_dlm_recv_msg</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>default_wake_function</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>....</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'>Any ideas on it? thanx.</span></font></p>
<p class=MsoNormal><font size=1 face=Arial><span lang=EN-US style='font-size:
9.0pt;font-family:Arial'> </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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