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Re: Kernel vs. glibc problems

To: debian-mips@lists.debian.org, linux-mips@linux-mips.org
Subject: Re: Kernel vs. glibc problems
From: Karsten Merker <karsten@excalibur.cologne.de>
Date: Sun, 4 Apr 2004 19:35:12 +0200
Cc: ralf@gnu.org
In-reply-to: <20040404155010.GA1975@bogon.ms20.nix>
Mail-followup-to: Karsten Merker <karsten@excalibur.cologne.de>, debian-mips@lists.debian.org, linux-mips@linux-mips.org, ralf@gnu.org
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References: <20040404115212.GA22445@excalibur.cologne.de> <20040404155010.GA1975@bogon.ms20.nix>
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On Sun, Apr 04, 2004 at 05:50:10PM +0200, Guido Guenther wrote:
> On Sun, Apr 04, 2004 at 01:52:12PM +0200, Karsten Merker wrote:
> > On a DECstation 5000/20, having an R3000, the following combinations work:
> > - Debian 2.4.19 plus Debian/Woody glibc (2.2.5)
> > - Debian 2.4.19 plus Debian/Sarge glibc (2.3.2)
> > - CVS 2.4.25 from 2004/03/25 plus Debian/Woody glibc (2.2.5)
> > But running the same CVS 2.4.25 with the Debian/Sarge glibc (2.3.2)
> > causes (at least) ls, sleep and tar to die with "illegal instruction".

> What is the illegal instruction? Gdb should tell.

It is an "ll" instruction in libpthread (checked in the cases of
ls, sleep and tar). ll/sc should be emulated by the kernel on R3k,
so it looks like there is a problem with the emulation code.

Regards,
Karsten
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