Bug#536354: linux-2.6: [s390,lenny] kernel panic during boot
On Wed, Jul 22, 2009 at 04:45:42AM +0200, Frans Pop wrote:
> Note that an additional issue was found with 2.6.27 after the change to
> -fno-strict-overflow. See http://lkml.org/lkml/2009/7/20/80 and follow-ups
> for details.
> The cause (compiler bug in gcc-4.2.4) was identified in
> http://lkml.org/lkml/2009/7/21/423 and it looks like it's going to be
> "fixed" with a kernel patch: http://lkml.org/lkml/2009/7/21/499.
> But it shows that there may definitely be unexpected effects from the
> change for arches using gcc-4.2 or later in Lenny.
>From that thread it looks like its only an issue for gcc-4.2 (not
4.3). But, since we did include gcc-4.2 in lenny and the patch is
trivial I went ahead and applied it.