RFC: Page size on PPC/PPC64 builders

Andrew Haley aph at redhat.com
Mon Mar 3 18:42:35 UTC 2008


Callum Lerwick wrote:
> On Mon, 2008-03-03 at 09:41 +0000, David Woodhouse wrote:
>> The more interesting issue is that the current Fedora kernel doesn't use
>> 64KiB pages on PPC64 hardware. Only the RHEL5 and FC6 kernels do. That
>> makes testing slightly harder, and is perhaps another argument on the
>> side of switching back to 4KiB pages.
> 
> This says to me that if we don't handle 64k-page compatibility in
> Fedora, it just ends up falling to the EPEL people. How do they feel
> about this?
> 
> And RHEL developers as well. Lets not build straw men. Its mysql we're
> talking about here. The M in LAMP. Is it not inevitable that Red Hat
> (And IBM?) is going to need this fixed and working anyway? Other than
> this nasty bug in mysql, is there any other actual problem here?

We're having trouble with OpenJDK, and it's possible that this
problem is also caused by the change in page size.  We haven't
diagnosed it yet.

Andrew.





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