ffreep support on Geode LX (XO-1)

[NoiseEHC]

> please file a ticket at dev.laptop.org, with details on how to
> reproduce the ffreep issue using build 802.  (if it's only
> reproducible with debxo (unclear from what's been written so
> far), then the priority (and the fix) will likely be very
> different.)
>
>   
I cannot reproduce it reliably so I do not know what should I file as a 
bug. What I have seen with 800 (months ago) can be seen here:
http://wiki.laptop.org/go/Image:Xo_freeze_on_shutdown.png
I think that it is sure that at least some parts of the 80x versions 
contain some code compiled with illegal instructions.

> the failure to switch to the UL-warning screen during shutdown
> is a secondary effect of whatever it is you're seeing, and if
> reproducible should have a second ticket filed.
>
>   
On Windows if there is a debugger installed and a program crashes then 
Windows asks if I wanna attach a debugger. Can something like this be 
done on the XO? Or shall I always run it from a debugger? If so then how 
can I do it? Or can I create a crash dump file somehow? It happens quite 
regularly but I cannot give your instructions. Do not you experience it?
> paul
>
>  > Sascha Silbe wrote:
>  > > Hi!
>  > >
>  > > While trying to use sugar-jhbuild on DebXO (Debian on XO-1), I 
>  > > encountered several programs that crashed with SIGILL, apparently 
>  > > during execution of ffreep. While the "AMD Athlon Processor x86 Code 
>  > > Optimization Guide" [1] claims that "although insufficiently 
>  > > documented in the past, [ffreep] is supported by all 32-bit x86 
>  > > processors", the AMD Geode LX datasheet [2] doesn't list ffreep.
>  > >
>  > > As ffreep was added to gcc 3.4 [3] and Build 801 seems to use 4.3.0, 
>  > > I'm wondering whether it has been patched/configured in some way to 
>  > > avoid this issue or whether the processor actually supports it and 
>  > > something else on my machine is broken.
>  > >
>  > >
>  > > [1] 
>  > > 
>  > http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/22007.pd
>  > f 
>  > >
>  > > [2] 
>  > > 
>  > http://www.amd.com/files/connectivitysolutions/geode/geode_lx/33234d_lx_ds.pdf 
>  > >
>  > > [3] http://gcc.gnu.org/ml/gcc-patches/2002-11/msg01386.html
>  > >
>  > > CU Sascha
>  > >
>
> =---------------------
>  paul fox, pgf at laptop.org
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