ARM: pxa/corgi: armv5te kernel 4.12 fails to decompress compiled with gcc7

[Aaro Koskinen]

Hi,

On Sat, Sep 02, 2017 at 11:50:55PM +0200, Andrea Adami wrote:
> On Thu, Jul 20, 2017 at 8:57 AM, Robert Jarzmik <robert.jarzmik at free.fr> wrote:
> > Andrea Adami <andrea.adami at gmail.com> writes:
> > I have the same report on userspace side on buildroot from Petr [1], which
> > triggers endless segfaults in userspace (init) with gcc7 while everything is
> > fine with gcc6. I have confirmation on my test farm the problem happens as well.
> >
> > Since debugging in userspace is far easier, I would suggest attacking the debug
> > with Petr on userspace side, and once sorted out, come back to kernel side.
> 
> sorry for the delay, I was awaiting to test gcc 7.2 and binutils 2.29.
> Unfortunately, same issue: XZ-compressed data is corrupt - System Halted.

Has anyone been able to debug this further? It seems there are also issues
on iop32x/n2100 with GCC 7.2 and binutils 2.29.1 - early boot hangs silently
and I cannot get earlyprintk to work. Compiling with GCC 6.4.0 it's OK.

A.