Re: [PATCH] m68k: Atari EtherNAT - Nicolas Pitre has a new email address

[Geert Uytterhoeven <geert@linux-m68k.org>]

On Fri, Jan 8, 2010 at 02:15, Michael Schmitz
<schmitz@biophys.uni-duesseldorf.de> wrote:
>> >> > I remember seeing this as well a long time ago, due to some
>> >> > bug/misconfiguration. But that
>> >> > got fixed.
>> >
>> > I'll dig through the mailbox ...
>>
>> BTW, IIRC there were also some issues with some version of binutils,
>> but I never saw that problem.
>>
>> gcc version 4.1.2 20061115 (prerelease) (Ubuntu 4.1.1-21)
>> GNU assembler (GNU Binutils) 2.18.0.20080103
>
> The 4.1.0 I built does not get past the compiler test now (miscompiles __weak).

Indeed.

> My copy of crosstool (0.43) combines 4.1.0 and 4.1.1 (the latest supported) with
> binutils 2.16.1 ... I'll give 2.18 a try.
>
> 3.3.6 is built with 2.15 - the m68k crosstool 0.38 build script of Christian did
> use 2.16.
>
> Probably no matter though - building 2.6.33 with my old cross compiler once I
> had revived that from the failing disk (3.3.6/2.16) results in the same double
> fault.
>
>> My binutils is 2.18.1~cvs20080103-7 according to dpkg.
>
> 2.18.1~cvs20080103-0ubuntu1 ... what is the host binutils even used for?

That's actually binutils-m68k-linux-gnu, built per instructions from RomanZ.

>> > Can you send that kernel and the defconfig by PM please?
>>
>> Done.
>
> Thanks, testing ... yours does in fact boot on my ARAnyM setup. Compiling with
> your .config results in the same error.

OK, so it's your toolchain.

>> > I tested one of the failing kernels on the real Falcon and it did spontaenously
>> > reboot there (with no output) as well.
>>
>> Strange.
>
> Yep - I'll try to compile the last kernel version that worked for me to see what
> the various cross compilers generate for that. 2.6.30-rc6 (botched git pull so
> I'm not too positive it isn't 2.6.29-something) does in fact compile fine with
> my old 3.3.6 cross-gcc as well as my newly built one.
>
> I'll verify that on the new tree, and start bisecting. Sigh.

Good luck!

Gr{oetje,eeting}s,

						Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
							    -- Linus Torvalds