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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Jan-Benedict Glaw <jbglaw@lug-owl.de>
Cc: lkml <linux-kernel@vger.kernel.org>
Subject: Re: Emulating i486 on i386 (was: TSCs are a no-no on i386)
Date: 31 Jul 2003 12:51:09 +0100	[thread overview]
Message-ID: <1059652268.16608.8.camel@dhcp22.swansea.linux.org.uk> (raw)
In-Reply-To: <20030731113838.GU1873@lug-owl.de>

On Iau, 2003-07-31 at 12:38, Jan-Benedict Glaw wrote:
> Thanks for that. In the meantime, I've started to give a try to the
> userspace version (using a LD_PRELOAD lib). My current Problem:
> 
> amtus:~/sigill_catcher# LD_PRELOAD=./libsigill.so ls
> sigill.c:_init():69: sigill started, sigaction() = 0
> build.sh  intercept.h  libsigill.so  run.sh  sigill.c  sigill.o
> amtus:~/sigill_catcher# LD_PRELOAD=./libsigill.so apt-get update
> Illegal instruction
> 
> See? It's loaded at the "ls" call, but it seems to be not loaded for
> apt-get.

Remember you need to overload signal setting functions like sigaction.
My guess is apt decided to disable your signal and you didnt stop it


  reply	other threads:[~2003-07-31 11:56 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-07-30 13:56 TSCs are a no-no on i386 Jan-Benedict Glaw
2003-07-30 14:18 ` Maciej W. Rozycki
2003-07-30 14:44   ` Jan-Benedict Glaw
2003-07-30 16:58 ` Matthew Garrett
2003-07-30 17:19   ` Alan Cox
2003-07-30 18:10 ` Adrian Bunk
2003-07-30 18:30   ` Mike Fedyk
2003-07-30 18:45     ` Adrian Bunk
2003-07-30 20:01       ` Alan Cox
2003-07-30 20:33         ` Jan-Benedict Glaw
2003-07-30 22:19           ` J.A. Magallon
2003-07-31  6:11             ` Jan-Benedict Glaw
2003-07-30 23:05           ` Alan Cox
2003-07-31 11:11             ` Richard B. Johnson
2003-07-31 11:26               ` Emulating i486+ insn on i386 (was: TSCs are a no-no on i386) Jan-Benedict Glaw
2003-07-31 11:41             ` TSCs are a no-no on i386 Jan-Benedict Glaw
2003-07-31  0:22           ` Adrian Bunk
2003-07-31  6:22             ` Jan-Benedict Glaw
2003-07-31  7:17               ` Willy Tarreau
2003-07-31 11:38                 ` Emulating i486 on i386 (was: TSCs are a no-no on i386) Jan-Benedict Glaw
2003-07-31 11:51                   ` Alan Cox [this message]
2003-07-31 12:14                     ` Jan-Benedict Glaw
2003-07-31 13:01                       ` Jan-Benedict Glaw
2003-07-31 15:09                         ` Martin Schlemmer
2003-07-31 15:33                           ` Jan-Benedict Glaw
2003-08-01  5:37                             ` Martin Schlemmer
2003-07-31 15:12                     ` Jamie Lokier
2003-07-31 15:32                       ` Jan-Benedict Glaw
2003-07-31 15:07                 ` TSCs are a no-no on i386 Jamie Lokier
2003-07-31 15:23                   ` Willy Tarreau
2003-07-31 15:50                   ` Richard B. Johnson
2003-07-31 16:24                     ` Jan-Benedict Glaw
2003-08-06 11:08         ` Pavel Machek
2003-08-06 14:33           ` Maciej W. Rozycki
2003-07-30 20:28       ` Jan-Benedict Glaw
2003-07-30 21:50         ` Petr Vandrovec
2003-07-30 23:10           ` Alan Cox
2003-07-31 15:10             ` Jamie Lokier
2003-07-31 16:01               ` Alan Cox
2003-07-31 18:37                 ` Jamie Lokier
2003-07-31 19:10                   ` Alan Cox
2003-07-31  6:29           ` Jan-Benedict Glaw
2003-07-30 20:27   ` Jan-Benedict Glaw
     [not found] <f41P.374.9@gated-at.bofh.it>
     [not found] ` <f4bw.3eu.13@gated-at.bofh.it>
     [not found]   ` <f5Az.4tG.3@gated-at.bofh.it>
     [not found]     ` <f5TZ.4Hq.11@gated-at.bofh.it>
     [not found]       ` <f9uz.Ll.5@gated-at.bofh.it>
     [not found]         ` <ff6X.6qi.3@gated-at.bofh.it>
     [not found]           ` <ffTk.734.15@gated-at.bofh.it>
     [not found]             ` <fk6A.241.7@gated-at.bofh.it>
     [not found]               ` <fkgp.2aL.29@gated-at.bofh.it>
     [not found]                 ` <fnnW.4QQ.43@gated-at.bofh.it>
     [not found]                   ` <fnQP.5bE.5@gated-at.bofh.it>
2003-07-31 17:35                     ` Emulating i486 on i386 (was: TSCs are a no-no on i386) Ben Pfaff

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