> > Hello Wolfgang, > > 2014-10-22 18:56 GMT+02:00 Wolfgang Denk <w...@denx.de>: > > Dear Dirk, > > > > In message <CANVMifLGzKz+=-k-e9_ssxbxpypdg1yqexc-tscapi7wvxq...@mail.gmail.com> you wrote: > >> I had exactly the same behaviour some time ago and tracked it down to > >> this (and posted it on the mailing list, but sadly got no feedback): > > > > Thanks a lot for this pointer. > > I am really glad this was helpful. It was very nasty to track down, so > I was really concerned when I found it. For that reson I chose "u-boot > ppc does not work with gcc 4.8" as a topic when I reported it to > U-Boot mailing list and put you on CC on august 5th. But maybe I > should have been more explicit, something like "APOCALYPSE NOW: u-boot > ppc does not work with gcc 4.8" ;) > > This problem is *not* fixed by the links Marek addressed. > > Just a quick explanation of what is going on: > Since gcc 4.8 we have new sections .data.rel.ro and > .data.rel.ro.local. They contain absolute addresses that should really > be fixed up in our relocation process but are not considered yet. > In your case you wre running u-boot referencing the not fixed-up > addresses which worked perfectly as long as they still pointed to > valid content. But as soon as you erased flash this was no longer the > case. To make debugging even more fun, behaviour also depends on cache > contents.
Ouch, that was a nasty surprise. > > In my original mail I referenced this potential solution, at least it > worked for me: > https://gcc.gnu.org/ml/gcc-help/2014-02/msg00054.html That looks like the correct fix but I presume both .data.rel.ro and data.rel.ro.local should be added? Jocke _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
