[Flac-dev] AMD debugging test files available
xflac at yahoo.com
Sat Aug 17 08:04:02 PDT 2002
--- Matt Zimmerman <mdz at debian.org> wrote:
> On Fri, Aug 16, 2002 at 11:14:01AM -0700, Josh Coalson wrote:
> > --- Josh Coalson <xflac at yahoo.com> wrote:
> > >...
> > > If anyone with a similar set up can read the comments in the
> > > following bug reports and do some investigation it would really
> > > help a lot. I would like to hear about setups that are working
> > > as much as ones that aren't.
> > OK, someone with a Duron has uploaded some test files which
> > reproduce errors in the same spot, but sporadically, on Linux too.
> > His comments and files are here:
> I am able to reproduce this on my system. I am of course using the
> Debian packaged binary, and the test files from the bug tracker. It
> not happen every time. Sometimes I can get the failure in a few
> tries, and
> sometimes I run several hundred iterations with no problems.
In wierd way this is almost a relief. :)
These are the things I would suspect, in order:
* 3DNOW code (configure --enable-3dnow, turned off by default,
but I'm not sure how the package was built)
* Other IA32 assembly code (on by default)
* gcc -march=? (AMD-specific optimizations?)
* Pointer aliasing vs. gcc3 (I would think this would show up
on other architectures. I have not built with gcc3 yet.
The pointer aliasing rules are new to me; there is pointer
aliasing in flac and the plugins)
After that I'm not sure...
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