[Ocfs2-users] ocfs2_wait_for_mask

[Sunil Mushran]

Setup a netconsole server to catch the oops trace. Have you set
/sys/kernel/panic_on_oops to 1?

On Tue, Mar 24, 2009 at 06:09:22PM +0200, Cristian Gae wrote:
> Hello
> 
> We have a 9 nodes ocfs2 cluster used for http serving.
> 
> Sometimes when we want to reboot one of the nodes, it happens to kernel 
> panic at ocfs2 unmount, and after this on all the other nodes some httpd 
> processes goes to "D" state, and the system gets loaded.
> 
> ps -e -o pid,stat,comm,wchan=WIDE-WCHAN-COLUMN
> 
> 10187 D    httpd     ocfs2_wait_for_mask 
> 
> 10241 D    httpd     ocfs2_wait_for_mask 
> 
> 10254 D    httpd     ocfs2_wait_for_mask 
> 
> 10255 D    httpd     ocfs2_wait_for_mask 
> 
> 10272 D    httpd     ocfs2_wait_for_mask 
> 
> 10273 D    httpd     ocfs2_wait_for_mask 
> 
> 10274 D    httpd     ocfs2_wait_for_mask 
> 
> 10398 D    httpd     ocfs2_wait_for_mask 
> 
> 10441 D    httpd     ocfs2_wait_for_mask 
> 
> 10452 D    httpd     ocfs2_wait_for_mask
> 
> 
> 
> Please tell me what info do you need to provide help to us.
> 
> All nodes are CentOS 5.2, ocfs2 1.4.1, we use an DS4700 IBM Storage, 
> with Qlogic HBA and MPP driver.
> 
> 
> 
> -- 
> Cristian Gae
> Director IT
> Netbridge Services
> cristian.gae at netbridge.ro
> 0749 018 817
> 
> --
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