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Re: The mmap() problem is back

To: Keith Owens <kaos@xxxxxxx>
Subject: Re: The mmap() problem is back
From: John M Trostel <john.trostel@xxxxxxxxxxx>
Date: Mon, 05 Aug 2002 10:34:24 -0400
Cc: Ethan Benson <erbenson@xxxxxxxxxx>, linux-xfs@xxxxxxxxxxx
In-reply-to: <3674.1028557285@ocs3.intra.ocs.com.au>
References: <3674.1028557285@ocs3.intra.ocs.com.au>
Sender: owner-linux-xfs@xxxxxxxxxxx
What would be the _best_ method for people to quickly test for this?


On Mon, 2002-08-05 at 10:21, Keith Owens wrote:
> On Mon, 5 Aug 2002 01:07:31 -0800, 
> Ethan Benson <erbenson@xxxxxxxxxx> wrote:
> >On Mon, Aug 05, 2002 at 10:58:06AM +0200, Wessel Dankers wrote:
> >> On 2002-08-03 18:59:41+0200, Wessel Dankers wrote:
> >> > Also of note may be that I'm running it with the ngpt futex patch and t=
> >he
> >> > O(1) scheduler patch.
> >>=20
> >> I just tried a kernel without any patches whatsoever: it exhibits the same
> >> problem. I did notice that the file needs to be written in small chunks at
> >> a time. For example:
> >>=20
> >>    dd if=3D/dev/zero of=3Dfoo bs=3D1024 count=3D9
> >
> >i have reproduced this problem quite easily as well with a plain
> >2.4.19 + split patches on powerpc, its not difficult at all to reproduce.
> 
> Could people reporting this problem please include their compiler and
> binutils versions (gcc -v ; ld -v).  I am running 2.4.19-xfs from
> immediately after it was released, and I cannot reproduce the problem.
> Tested on UP and SMP using
>   Reading specs from /usr/lib/gcc-lib/i386-redhat-linux/2.96/specs
>   gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-81)
>   GNU ld version 2.10.91 (with BFD 2.10.91.0.2)
> 
-- 
John M. Trostel
Senior Software Engineer
Quantum Corp. / SSG
john.trostel@xxxxxxxxxxx


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