Yes, you should only see those instructions in the ppc64p7 RPMs. Those
RPMs should only be getting selected by rpm/yum when it detects a POWER7
system, which isn't the case here as I understand it. There is something
else going on.
Brent J. Baude
Linux Technology Center
3605 Hwy 52N
Rochester, MN 55901
http://www.ibm.com/linux/ltc/
507.253-0708
From: "Richard W.M. Jones" <rjones(a)redhat.com>
To: ppc(a)lists.fedoraproject.org,
Date: 08/30/2013 04:48 AM
Subject: Re: Fedora ppc64 install fails on qemu-system-ppc64
Sent by: ppc-bounces(a)lists.fedoraproject.org
On Fri, Aug 30, 2013 at 01:09:23PM +1000, Tony Breeds wrote:
On Wed, Aug 28, 2013 at 02:28:09PM +0100, Richard W.M. Jones wrote:
> Finally it fails with "script error with package [some package name]":
>
https://bugzilla.redhat.com/show_bug.cgi?id=1002077
I'm pretty sure this will come down to the gcc in Ferdora is generating
VSX instructions but qemu doesn't emulate them. Short of writing that
emulation code I think you're sunk with the std. images.
That's presumably this bug:
https://bugzilla.redhat.com/show_bug.cgi?id=887978
Wouldn't either the guest or the host fail in a more obvious way
(eg. seeing traps in the guest) if VSX instructions are being used?
To test this, I unpacked a large selection of RPMs from the Fedora 19
ppc64 install DVD and I ran '/usr/powerpc64-linux-gnu/bin/objdump
--disassemble' on all of the binaries and libraries found in /usr/bin
and /usr/lib64 of the RPMs. This produced 3383381+3997721 lines of
output.
I grepped the output for: /xsd/, /xvd/ (so hopefully I would find
instructions such as lxsdux lxvd2ux lxvw4ux stxsdux stxvd2ux
stxvw4ux). However there were no matches. From this I conclude that
VSX instructions are not being generated or are being generated only
extremely rarely.
Am I looking for the right thing?
Rich.
--
Richard Jones, Virtualization Group, Red Hat
http://people.redhat.com/~rjones
libguestfs lets you edit virtual machines. Supports shell scripting,
bindings from many languages.
http://libguestfs.org
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