[Linux-cluster] umount hang

[Raj Kumar]

Hello,

I tried to unmount one of the GFS filesystems and that command did not succeed even after waiting for a long time. I found this in the log when I was restarting the server:

The system did not shutdown either. Any clue?
  
May  2 11:46:38 node1 kernel: GFS: fsid=gfs1:gfs02.1: Unmount seems to be stalled. Dumping lock s
tate...
May  2 11:46:38 node1 kernel: Glock (7, 26)
May  2 11:46:38 node1 kernel:   gl_flags =                                                         
May  2 11:46:38 node1 kernel:   gl_count = 2
May  2 11:46:38 node1 kernel:   gl_state = 3
May  2 11:46:38 node1 kernel:   lvb_count = 0
May  2 11:46:38 node1 kernel:   object = yes
May  2 11:46:38 node1 kernel:   dependencies = no
May  2 11:46:38 node1 kernel:   reclaim = no
May  2 11:46:38 node1 kernel:   Holder
May  2 11:46:38 node1 kernel:     owner = -1
May  2 11:46:38 node1 kernel:     gh_state = 3
May  2 11:46:38 node1 kernel:     gh_flags = 5 7 
May  2 11:46:39 node1 kernel:     error = 0
May  2 11:46:39 node1 kernel:     gh_iflags = 1 5 6 
May  2 11:46:40 node1 kernel: Glock (4, 26)
May  2 11:46:41 node1 kernel:   gl_flags = 
May  2 11:46:42 node1 kernel:   gl_count = 2
May  2 11:46:42 node1 kernel:   gl_state = 0
May  2 11:46:43 node1 kernel:   lvb_count = 0
May  2 11:46:44 node1 kernel:   object = yes
May  2 11:46:44 node1 kernel:   dependencies = no
May  2 11:46:44 node1 kernel:   reclaim = no
May  2 11:46:44 node1 kernel:   Inode:
May  2 11:46:45 node1 kernel:     num = 26/26
May  2 11:46:45 node1 kernel:     type = 2
May  2 11:46:45 node1 kernel:     i_count = 1
May  2 11:46:45 node1 kernel:     i_flags = 
May  2 11:46:45 node1 kernel:     vnode = yes

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