On Aug 18, 2010, at 6:43 AM, Dave Chinner <david@xxxxxxxxxxxxx> wrote: > On Tue, Aug 17, 2010 at 07:12:12PM +0530, Nohez wrote: >> >> Hi, >> >> I had a kernel bug today when running xfs on CentOS v5.5. I moved to >> xfs from ext3 today. >> >> The only application accessing the xfs filesystem is Sybase ASE v15.x. >> Database has been configured to use directio with native kernel >> asynchronous disk i/o enabled. > > The warning is being issued because the application is mixing > buffered IO with direct IO on the same file. i.e. data corruption > waiting to happen. This is an application bug - the responsibility > for ensuring data coherency and integrity is assumed by the > application issuing the direct IO. > You know... A clearer kernel message might help a lot here... -Eric > This was discussed in more detail on a recent thread on this list - > you shoul dbe able to find it in the archives easily enough. > >> Let me know if there is any other information I can provide to help >> with debugging. > > Report it to the application vendor - it's an application bug, not > a filesystem bug. > > Cheers, > > Dave. > -- > Dave Chinner > david@xxxxxxxxxxxxx > > _______________________________________________ > xfs mailing list > xfs@xxxxxxxxxxx > http://oss.sgi.com/mailman/listinfo/xfs > _______________________________________________ xfs mailing list xfs@xxxxxxxxxxx http://oss.sgi.com/mailman/listinfo/xfs