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On Thu, Aug 31, 2006 at 04:02:36PM +0800, Yao Fei Zhu wrote: > 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. > > 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. Nothing too unusual there. > BTW, I have CONFIG_PPC_64K_PAGES enabled. But that might be a good place to start. Can you see if you can reproduce the problem without this config option set? Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||||
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