Re: 2.6.13-mm1 X86_64: All 32bit programs segfault

[Andi Kleen]

On Thursday 08 September 2005 10:44, Andrew Morton wrote:
> Parag Warudkar <kernel-stuff@xxxxxxxxxxx> wrote:
> > Andi Kleen wrote:
> >  >Hmm - not many x86-64 patches in mm1. 2.6.13 definitely works.
> >
> >  2.6.13-git7 works. So something in -mm has gone bad (if not x86_64, may
> >  be i386 or arch-independent changes?)
> >  It seems it has got something to do with the sys_set_tid_address as
> >  evident from the strace output below.
> >  Another thing - If I set LD_ASSUME_KERNEL=2.4 and then run the binary,
> >  it works fine.
>
> I can't reproduce this with the current -mm lineup.  I compiled up a 32-bit
> app on x86 and transferred that across.

Did you use a threaded program?  It appears to be related to that.

(BTW you can compile 32bit on 64bit too by passing -m32) 

-Andi
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