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List:       gentoo-dev
Subject:    Re: [gentoo-dev] very mystic segmentation fault...
From:       Evan Powers <powers.161 () osu ! edu>
Date:       2002-12-27 19:27:26
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On Tuesday 24 December 2002 08:59 am, Johannes Findeisen wrote:
> short again: i can compile in my gcc 2.95.3 system and in the chrooted
> gcc 3.2.1 but only when i'm chrooting from my gcc 2.95.3 system. i
> defenitly could not compile when the gcc 3.2.* system is runing.

If you can compile when chrooting from 2.95.3 to the 3.2.1 system, but not 
when booting directly into the 3.2.1 system, my guess is that you have a 
kernel problem.

Theoretically, the only effective difference between the chroot environment 
and the directly booted environment is whether a 2.95.3 compiled or a 3.2.1 
compiled kernel is running.

Consider adding a new boot menu option which boots the gcc 3.2.1 system using 
the kernel from the 2.95.3 system. If you don't have problems with this, your 
3.2.1 system has a bad kernel.

WHY that kernel would be bad is a pretty open question. It probably has 
nothing to do with it being compiled with the newer gcc; perhaps the 
configuration is somehow wrong? Or perhaps Gentoo has started using newer 
kernel versions with slightly different binary interfaces, and you need to 
compile libc against the new kernel so that it uses the new binary interface.

Good luck, in any case.

Evan Powers


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