[PlanetCCRMA] New install - FC5/SMP - Ardour fails w/"illegal instruction"

Anthony Green green@redhat.com
Sat Jan 6 18:17:02 2007

On Sat, 2007-01-06 at 16:59 -0500, James P. Early wrote:
> Greetings,
>   I successfully completed a FC5/PlanetCCRMA installation/upgrade according to
> the posted instructions. I then used yum to install Ardour. I next tried to run
> Ardour, but it consistently fails to load with the following error:
> [earlyjp@localhost ~]$ ardour

Are you sure you're using the PlanetCCRMA ardour, and not the Fedora
Extras one?  What does "rpm -qf /usr/bin/ardour" say?

> I found one mention of this error in the PlanetCCRMA achive, but it is unclear
> if a solution was ever found. Then, I found a mention of the error on the Ardour
> forum:
> http://ardour.org/node/159
> In it, Paul Davis mentions that the error can occur when the package is built
> using SSE instructions. My system is a dual PII/400, and a cat /proc/cpuinfo
> does not indicate an SSE flag. Does this mean that I must compile Ardour rather
> than using the CCRMA package?

I see what's going on.  Ardour dynamically detects SSE h/w and uses
special SSE routines when running on SSE-enabled hardware, but it _also_
checks the build platform and enables SSE everywhere if the build system
is i686.  I'm going to patch ardour in Fedora Extras 5 and 6 to
unconditionally disable SSE everywhere (except for those special
routines where we have a runtime test).  I see some other build problems
as well.  A new ardour should show up in Fedora Extras in the next
couple of days.