Re: arch/ia64/ia32/binfmt_elf32.c: elf32_map() broken ia64 build_and_ boot

[John Reiser]

Paul Jackson wrote:
> Not only don't the bssprot patches in Andrew's 2.6.6-rc2-mm2 not build,
> they don't boot on SGI's SN2 ia64 with sn2_defconfig.  If I remove these
> 4 bssprot patches, then 2.6.6-rc2-mm2 builds (with the easy build fixes
> already understood earlier this week) and boots on SN2 ia64 with
> sn2_defconfig.
[snip]
> But trying to boot the resulting kernel on an SGI SN2 system fails.  The
> boot successfully prints out:
>
>   Freeing unused kernel memory: 336kB freed
>
> but freezes prior to displaying the next line expected:
>
>   INIT: version 2.85 booting
>
> I have to reset instead at this point.
>
> On this system the program /sbin/init is the following type:
>
>   /sbin/init: ELF 64-bit LSB executable, IA-64, version 1 (SYSV),
>   for GNU/Linux 2.4.0, dynamically linked (uses shared libs), stripped

This indicates a problem with the very first execve() and/or its shared
libraries.  It is likely that printk() of the arguments and results
to elf_map() and load_elf_interp(), both in fs/binfmt_elf.c,
will aid in finding the problem.  This I would do, if I had hardware.

Are there any reports, either success or failure, for any other 64-bit
architecture?

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