Re: QEMU ppc64el SIGILL in mkfs
On Thu, Nov 24, 2016 at 10:31:55AM -0500, wrote:
> On Thu, Nov 24, 2016 at 12:18:43AM +0000, Clint Adams wrote:
> > On Wed, Nov 23, 2016 at 12:43:49PM -0500, Lennart Sorensen wrote:
> > > Running qemu-system-ppc64 -cpu POWER8 (version 1:2.7+dfsg-3+b1) did not
> > > fail for me using debian-testing-ppc64el-netinst.iso
> >
> > Yes, indeed. I have no idea what the default is, but -cpu POWER8
> > solves the problem.
>
> According to the -cpu ?, the default is 604, which makes no sense at
> all for ppc64, so I doubt it is true. if the default is power7 or
> something, that could be a problem, although I must admit I am surprised
> it made it that far in that case.
So the default is in fact power7, which explains why it can run ppc64el,
but dies when a program uses a power8+ instruction.
I suppose it would be nice if the installer warned you if booted on a
power7, but it really isn't the installer's job to check that is it?
--
Len Sorensen
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