[Ocfs2-users] ocfs2-related hang

[Sunil Mushran]

This looks like the lvb issue fixed in ocfs2 1.2.2. The inode->i_size 
gets out of sync.
Upgrade to 1.2.2.

Eric Jones wrote:
> Hello,
>
> We think we've seen this issue a few times now and I wonder if anyone 
> out there has any insight as to what's going on.
>
> We have a large (40+) cluster accessing an OCFS2 v 1.2.1 filesystem.  
> All nodes are Fedora Core 4 (kernel 2.6.13-1.1532_FC4smp).  One node 
> is x86_64, the rest are i686.
>
> On the affected node (the x86_64 host), we tried to start the Sun grid 
> Engine dbwriter service.  All the related processes entered a 
> permanent "D" state.  All root logins received a syslog message saying:
>
> kernel: Kernel BUG at "/root/dnld/ocfs2/ocfs2-1.2.1/fs/ocfs2/file.c":787
> kernel: invalid operand: 0000 [1] SMP
>
> I've attached a syslog fragment with the full stack trace.
>
> We were able to log into the box and reboot it.  The dbwriter then 
> started normally.
>
> Does anyone have suggestions on how to avoid this problem going forward?
>
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