[Xen-bugs] [Bug 770] Cannot reliably use disk on disk controller of a JS21

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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=770





------- Comment #4 from jimix@xxxxxxxxxxxxxx  2006-09-18 18:53 -------
(In reply to comment #2)
> (In reply to comment #1)
> > Wasn't there a suspicion that this was due to low memory (64MB) with the ipr
> > driver? How much memory does dom0 have, and does the problem go away when
> > allocating more?
> > 
> I have tried giving Dom0 up to 512M and it does not solve the problem.
> I no longer believe this is a OOM issue.
> 

I also wonder if this is some effect of statically linking everything rather
than modloading.  I noticed when compatin non-xen output of the native SLES
kernel that reiser claims a "flush" barrier.
"rootflags=barrier=flush" can cause this in our kernel but does its use does
not help.


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