Re: [Xen-devel] Network interface problem

[Keir Fraser <Keir.Fraser@xxxxxxxxxxxx>]

> On Wed, Feb 11, 2004 at 01:54:56PM +0000, Keir Fraser wrote:
> > Also, the Linux developers recommend using GCC 2.95.3 for maximum
> > stability. This is therefore probably a good choice for Xen as well,
> > although all our testing uses 3.3.2 as shipped with Redhat 9.
> 
> I had to stop using 2.95.4 for Xen a few weeks ago, and 3.0.4 last week.
> In both cases, they built fine but had runtime errors ranging from
> incomplete boot to intermittent instability.
> 
> I'm using 3.3.2 on Debian testing (sarge) right now and it seems to work
> well -- several guests running on a few hosts since the middle of last
> week, some in production.
> 
> I'm not sure any gcc < 3.2 is safe for Xen right now.

I made the assembly stubs, that Xenolinux uses to call Xen, more
conservative yesterday (allow GCC fewer optimisations). I'd be
interested to know whether you can still easily trigger crashes by
using one of the 'bad' compilers.

 -- Keir


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