From owner-freebsd-arm@FreeBSD.ORG  Tue Jun 26 16:59:44 2007
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Date: Tue, 26 Jun 2007 18:59:38 +0200 (CEST)
From: =?iso-8859-1?Q?Bj=F6rn_K=F6nig?= <bkoenig@alpha-tierchen.de>
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Subject: Re: sbrk(0) returns -1
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I wrote:
> on arm sbrk(0) returns -1, because _end resp. end is zero.
> I think this is not correct.

I found the problem, it's a bug in libc. I submitted a patch: PR kern/114049.

Regards
Björn