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DateThu, 31 Aug 2006 16:02:36 +0800
FromYao Fei Zhu <>
SubjectRe: kernel BUG in __xfs_get_blocks at fs/xfs/linux-2.6/xfs_aops.c:1293!
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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