GNU bug report logs - #18965
--block-size option of "du" command gives a wrong value

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Package: coreutils;

Reported by: philippe <philippe_benezech <at> yahoo.fr>

Date: Wed, 5 Nov 2014 23:41:03 UTC

Severity: normal

Tags: notabug

Done: Assaf Gordon <assafgordon <at> gmail.com>

Bug is archived. No further changes may be made.

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Report forwarded to bug-coreutils <at> gnu.org:
bug#18965; Package coreutils. (Wed, 05 Nov 2014 23:41:03 GMT) Full text and rfc822 format available.
Acknowledgement sent to philippe <philippe_benezech <at> yahoo.fr>:
New bug report received and forwarded. Copy sent to bug-coreutils <at> gnu.org. (Wed, 05 Nov 2014 23:41:04 GMT) Full text and rfc822 format available.

Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: philippe <philippe_benezech <at> yahoo.fr>
To: bug-coreutils <at> gnu.org
Subject: --block-size option of "du" command gives a wrong value
Date: Thu, 06 Nov 2014 00:32:21 +0100

[Message part 1 (text/plain, inline)]
Dear sir,

I fund the following problem : The --block-size option of "du" gives a 
wrong value :

du -b firmware-7.7.0-amd64-i386-netinst.iso
524288000    firmware-7.7.0-amd64-i386-netinst.iso

du --block-size=2048 firmware-7.7.0-amd64-i386-netinst.iso
*256002 *   firmware-7.7.0-amd64-i386-netinst.iso

*256002 *is wrong - the right value is 25600

I didn't find the same problem with the isosize command :

isosize firmware-7.7.0-amd64-i386-netinst.iso
524288000

isosize -x firmware-7.7.0-amd64-i386-netinst.iso
nombre de secteurs : *256000*, taille de secteur : 204

My configuration :

- Linux Asus 3.2.0-4-amd64 #1 SMP Debian 3.2.63-2 x86_64 GNU/Linux

- Paquet coreutils :
- i   8.13-3.5

Best regards


Philippe Bénézech


[Message part 2 (text/html, inline)]
Information forwarded to bug-coreutils <at> gnu.org:
bug#18965; Package coreutils. (Thu, 06 Nov 2014 00:21:02 GMT) Full text and rfc822 format available.

Message #8 received at 18965 <at> debbugs.gnu.org (full text, mbox):

From: Pádraig Brady <P <at> draigBrady.com>
To: philippe <philippe_benezech <at> yahoo.fr>
Cc: 18965 <at> debbugs.gnu.org
Subject: Re: bug#18965: --block-size option of "du" command gives a wrong value
Date: Thu, 06 Nov 2014 01:20:19 +0100

tag 18965 notabug
close 18965
stop

On 11/06/2014 12:32 AM, philippe wrote:
> Dear sir,
> 
> I fund the following problem : The --block-size option of "du" gives a wrong value :
> 
> du -b firmware-7.7.0-amd64-i386-netinst.iso
> 524288000    firmware-7.7.0-amd64-i386-netinst.iso
> 
> du --block-size=2048 firmware-7.7.0-amd64-i386-netinst.iso
> *256002 *   firmware-7.7.0-amd64-i386-netinst.iso
> 
> *256002 *is wrong - the right value is 25600

Perhaps the _usage_ is 4KiB more than the apparent size,
to hold selinux or other extended attributes or something?
Does this work as you expect?

  du --apparent-size --block-size=2048 firmware-7.7.0-amd64-i386-netinst.iso

Marking as not a bug for now.

thanks,
Pádraig.
Added tag(s) notabug. Request was from Assaf Gordon <assafgordon <at> gmail.com> to control <at> debbugs.gnu.org. (Tue, 06 Nov 2018 18:19:01 GMT) Full text and rfc822 format available.
bug closed, send any further explanations to 18965 <at> debbugs.gnu.org and philippe <philippe_benezech <at> yahoo.fr> Request was from Assaf Gordon <assafgordon <at> gmail.com> to control <at> debbugs.gnu.org. (Tue, 06 Nov 2018 18:19:02 GMT) Full text and rfc822 format available.
bug archived. Request was from Debbugs Internal Request <help-debbugs <at> gnu.org> to internal_control <at> debbugs.gnu.org. (Wed, 05 Dec 2018 12:24:05 GMT) Full text and rfc822 format available.
This bug report was last modified 6 years and 255 days ago.

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