[xfs-masters] [Bug 801] fsx failures on PPC64 with 64k pagesize (xfsqa 091)

[bugzilla-daemon at oss.sgi.com]

http://oss.sgi.com/bugzilla/show_bug.cgi?id=801





------- Additional Comments From sandeen-xfs at sandeen.net  2008-11-24 11:43 CST -------
Tested on Fedora w/ rebuilt 2.6.27.5 kernel for 64k pages; fails there too.

Also, an interesting combination of passing/failing block sizes:

==== BLOCKSIZE 512 ====
==== BLOCKSIZE 1024 ====
FAILED
==== BLOCKSIZE 2048 ====
FAILED
==== BLOCKSIZE 4096 ====
FAILED
==== BLOCKSIZE 8192 ====
==== BLOCKSIZE 16384 ====
==== BLOCKSIZE 32768 ====
==== BLOCKSIZE 65536 ====


If I lose O_DIRECT (no "-Z") it passes.
If I increase writebdy to 4096 ("-w 4096") it passes (smaller values fail)
If I increase truncbdy to 2048 ("-t 2048") it passes (smaller values fail)



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