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From: "Stephen P. Becker" <geoman@gentoo.org>
To: "Maciej W. Rozycki" <macro@linux-mips.org>
Cc: Daniel Jacobowitz <dan@debian.org>,
	Ralf Baechle <ralf@linux-mips.org>,
	Bryan Althouse <bryan.althouse@3phoenix.com>,
	"'Linux/MIPS Development'" <linux-mips@linux-mips.org>
Subject: Re: Seg fault when compiled with -mabi=64 and -lpthread
Date: Fri, 01 Jul 2005 12:39:31 -0400	[thread overview]
Message-ID: <42C571C3.1060703@gentoo.org> (raw)
In-Reply-To: <Pine.LNX.4.61L.0507011613510.30138@blysk.ds.pg.gda.pl>

>>The segfault with kernel oops that I can't get around occurs while
>>glib's configure script is checking for libpthread.  Specifically, it
>>links http://beerandrocks.net:8080/~spbecker/oops/conftest.c against
>>libpthread and then runs it.
> 
> 
> And libpthread is part of glibc, not glib.  So if an autoconf test (which 
> I'm assuming is AC_CHECK_LIB() rather than a hand-crafted hack) breaks on 
> running a program linked against libpthread, then it's not a problem with 
> glib, but probably with either glibc or the toolchain used.

I'm aware of this. It just sounded like Daniel was questioning whether
or not my glibc was compiling/working in the first place.

>>I've somewhat convinced myself this is either a kernel and/or a header
>>problem.  It seems I'm only able to reproduce this problem when trying
>>to compile and run that code while running 2.6.12 from cvs.  As I
>>previously mentioned, I tested the offending code on a kernel I compiled
>>from a 2.6.10 snapshot some time ago, and it ran with no segfault or oops.
> 
> 
>  If you get an Oops when running software as non-root, then it's a kernel 
> bug, no matter what.
> 

Yes, it certainly happens when running as a non-privileged user.  If I
get a bit of time later today, I was going to try and track down which
cvs commit and/or kernel version broke things.

-Steve

  reply	other threads:[~2005-07-01 16:41 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-06-30 17:33 Seg fault when compiled with -mabi=64 and -lpthread Bryan Althouse
2005-06-30 19:08 ` Stephen P. Becker
2005-06-30 19:31   ` Bryan Althouse
2005-06-30 20:21 ` Ralf Baechle
2005-06-30 21:03   ` Daniel Jacobowitz
2005-06-30 22:09     ` Stephen P. Becker
2005-07-01  3:51       ` Daniel Jacobowitz
2005-07-01  4:44         ` Kumba
2005-07-01  8:49         ` Maciej W. Rozycki
2005-07-01 13:39           ` Daniel Jacobowitz
2005-07-01 14:10             ` Maciej W. Rozycki
2005-07-01 14:46               ` Daniel Jacobowitz
2005-07-01 15:04                 ` Maciej W. Rozycki
2005-07-01 14:56         ` Stephen P. Becker
2005-07-01 15:22           ` Maciej W. Rozycki
2005-07-01 16:39             ` Stephen P. Becker [this message]
2005-07-01 17:02           ` Daniel Jacobowitz
2005-07-01 17:15             ` Stephen P. Becker
2005-07-01 15:09         ` Bryan Althouse
2005-07-01 14:54           ` sjhill
2005-07-01 15:09           ` Bryan Althouse
2005-07-01 15:29           ` Maciej W. Rozycki

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