Re: kernel BUG in __xfs_get_blocks at fs/xfs/linux-2.6/xfs_aops.c:1293!

[Yao Fei Zhu]

David Chinner wrote:

> Hmmmm. We've mapped a range that has been reserved for a delayed
> allocate extent during a direct I/O. That should not happen as XFS
> flushes delalloc extents before executing a direct read and holds
> the I/O lock which will prevent any new writes from mapping new
> delalloc extents. Something went astray, though. :(
>
> Can you give me some more detail on the machine you're running?
> e.g. How many CPUs, RAM and what type of disk subsystem you are using?
> That will make it easier for us to try to reproduce this problem.
>
> Cheers,
>
> Dave.
>  
The test box is an IBM System p5 Linux partition, allocated with
0.8 physical POWER5+ cpu processing unit/ 2 virtual processors and 8GB 
memory.
The disk is exported by AIX Virtual IO Server.

BTW, I have CONFIG_PPC_64K_PAGES enabled.


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