<br><font size=2 face=" Arial">Hi,ALL</font>
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<br><font size=2 face=" Arial"> Some
defect with DIO. </font>
<br><font size=2 face=" Arial"> </font>
<br><font size=2 face=" Arial"> Recently
I did a DIO test based on ppc64 paltform.</font>
<br><font size=2 face=" Arial"> The
system memory and swap space was eat up gradually .At last the system crashed
down because out of memory .</font>
<br><font size=2 face=" Arial"> </font>
<br><font size=2 face=" Arial"> If we
terminated this test case before the systetm down,mem and swap will never
come back to normal eventhough</font>
<br><font size=2 face=" Arial">
many hours have past. Looks like kernel never free the memory and swap
space that DIO operation had ever occupied.</font>
<br><font size=2 face=" Arial"> </font>
<br>
<br><font size=2 face=" Arial"> ////////////////////////////////</font>
<br><font size=2 face=" Arial"> // Test
Environment</font>
<br><font size=2 face=" Arial"> ////////////////////////////////</font>
<br>
<br><font size=2 face=" Arial">
2.6.9-22.EL,ppc64, i*86, powerpc</font>
<br>
<br><font size=2 face=" Arial"> ////////////////////////////////</font>
<br><font size=2 face=" Arial"> // Test
Case</font>
<br><font size=2 face=" Arial"> ////////////////////////////////</font>
<br>
<br><font size=2 face=" Arial"> fsx-linux
</font>
<br><font size=2 face=" Arial"> fsx-linux
is a test suit provided by LTP. http://ltp.sourceforge.net/</font>
<br><font size=2 face=" Arial"> </font>
<br><font size=2 face=" Arial"> </font>
<br><font size=2 face=" Arial"> Seems
that the kernel nerver return the DIO buffuers .Did someone meet this problem?
Or Is there some patch </font>
<br><font size=2 face=" Arial">
available for this bug?</font>
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<br><font size=2 face=" Arial"> </font>
<br>
<br><font size=2 face=" Arial">Regards <br>
Ding Rui(Rickey)<br>
</font>