GNU bug report logs - #12626
Bug?: dd limited to <2G read size (2G-8K) on 64 bit machine?

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Package: coreutils;

Reported by: Linda Walsh <coreutils <at> tlinx.org>

Date: Fri, 12 Oct 2012 03:13:02 UTC

Severity: normal

Done: Pádraig Brady <P <at> draigBrady.com>

Bug is archived. No further changes may be made.

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Message #14 received at 12626 <at> debbugs.gnu.org (full text, mbox):

From: Paul Eggert <eggert <at> cs.ucla.edu>
To: Linda Walsh <coreutils <at> tlinx.org>
Cc: 12626 <at> debbugs.gnu.org
Subject: Re: bug#12626: Bug?: dd limited to <2G read size (2G-8K) on 64 bit
	machine?
Date: Thu, 11 Oct 2012 23:42:33 -0700

On 10/11/2012 11:39 PM, Linda Walsh wrote:
> I'm not even getting error messages if I try to do 4G @ a time

That's what dd is supposed to do.  It requests 4 GB,
the kernel gives it only 2 GB, so it goes with 2 GB.
dd has always worked that way, and POSIX requires it
to work that way.
This bug report was last modified 12 years and 224 days ago.

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