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and subject line Bug#203543: illegal instruction triggered by grep inside ld-linux.so.2
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Date: Wed, 30 Jul 2003 14:32:20 -0500
From: Matthew Mitchell <[EMAIL PROTECTED]>
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Subject: illegal instruction triggered by grep inside ld-linux.so.2
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Package: libc
Version: 2.3.1-16
Seen on sparc64 SMP only. sparc64 UP does not exhibit.
grep triggers a bug in ld-linux.so that seems to be caused by a compiler
error. This inhibits proper booting, and this was a new install
(bootstrapped 3.0 then dist-upgrade from Sarge CDs) on a box without
network connectivity, but here are the salient facts:
In the function _dl_debug_state_internal, at offset 7000cfbc (this is
the relocated offset), SIGILL is generated on a "nop" instruction that
follows a "restore". I'm not an expert on SPARC assembly so I don't
know why it is only triggered when running under SMP, but it doesn't
happen otherwise. Repeatable with Debian-packaged
kernel-image-2.4.19-sparc64-smp and -2.4.21-. Does not occur with the
corresponding UP kernels.
I did not do anything like an exhaustive test but the only program I
noticed that was so affected was grep.
Upgrading libc6, libc6-sparc64, et al. to 2.3.1 fixed the problem.
--
Matthew Mitchell
Systems Programmer/Administrator [EMAIL PROTECTED]
Geophysical Development Corporation phone 713 782 1234
1 Riverway Suite 2100, Houston, TX 77056 fax 713 782 1829
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Date: Fri, 08 Oct 2004 12:04:29 +0900
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From: GOTO Masanori <[EMAIL PROTECTED]>
To: Matthew Mitchell <[EMAIL PROTECTED]>,
[EMAIL PROTECTED]
Subject: Re: Bug#203543: illegal instruction triggered by grep inside ld-linux.so.2
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At Tue, 06 Jul 2004 22:52:57 +0900,
GOTO Masanori wrote:
> > I did not do anything like an exhaustive test but the only program I
> > noticed that was so affected was grep.
> >
> > Upgrading libc6, libc6-sparc64, et al. to 2.3.1 fixed the problem.
>
> You reported libc 2.3.1-16 was the bug affected version, but you also
> said 2.3.1 fixed this bug. Which version did you have problem?
>
> Nowadays we have the newer version 2.3.2.ds1-13. Please check this
> problem with the latest glibc. We don't see this kind of bugs, so I
> guess this bug is fixed in the latest version. Could I close this
> bug? If you still have problem, please report us. We need to check
> it because it's cautionary bug.
I close this bug as I assume you already have no problem with this
bug. However if you still have trouble, please report us.
Regards,
-- gotom
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