[Pvfs2-users] I/O error
robl at mcs.anl.gov
Mon Feb 19 11:59:35 EST 2007
On Mon, Feb 19, 2007 at 11:06:52AM -0500, Pete Wyckoff wrote:
> Confirmed on IB too. Appears to be a ROMIO/ad_pvfs2 bug. Noncontig
> in file, contig in mem. App writes 10 mb but romio calculates 20 mb
> and issues a request that tries to access unallocated memory. See
> ad_pvfs2_write.c line 502: st_fwr_size = 20m. Perhaps that should
> be f_data_wrote? Or perhaps calculation of fwr_size is wrong?
Thanks for the test case, Michael, and the diagnosis, Pete. I'll get
to work on this and send out a patch when it's fixed.
Mathematics and Computer Science Division A215 0178 EA2D B059 8CDF
Argonne National Lab, IL USA B29D F333 664A 4280 315B
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