Public bug reported:

Release:
  andres ~  $ lsb_release -rd 
  Description:  Ubuntu 9.04
  Release:      9.04

Also, I'm using ext3

don't know which package

I was checking the space size in a directory, here it's the ouput:

andres ~/facultad/probpln/proyecto/exp_1/ancora.2  $ ls -lh
total 942M
-rw-r--r-- 1 andres andres 1.1M 2009-06-20 23:50 cl150-counts.wc
-rw-r--r-- 1 andres andres 1.1M 2009-06-21 01:07 cl250-counts.wc
-rw-r--r-- 1 andres andres 1.1M 2009-06-21 18:17 cl500-counts.wc
-rw-r--r-- 1 andres andres 451K 2009-06-21 20:53 class1000.1.cm
-rw-r--r-- 1 andres andres 2.0G 2009-06-21 20:31 class1000.1.log
-rw-r--r-- 1 andres andres 716M 2009-06-21 21:06 class1000.2.log
-rw-r--r-- 1 andres andres  190 2009-06-21 21:05 class1000.recovery
-rw-r--r-- 1 andres andres 451K 2009-06-21 21:05 class1000.recovery.cm
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:02 class.1.cm
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:23 class250.1.cm
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:32 class250.2.cm
-rw-r--r-- 1 andres andres  187 2009-06-21 00:32 class250.recovery
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:32 class250.recovery.cm
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:07 class.2.cm
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:10 class500.1.cm
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:31 class500.2.cm
-rw-r--r-- 1 andres andres  187 2009-06-21 17:31 class500.recovery
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:31 class500.recovery.cm
-rw-r--r-- 1 andres andres  184 2009-06-20 23:07 class.recovery
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:07 class.recovery.cm
-rw-r--r-- 1 andres andres 1.9K 2009-06-20 23:30 cmap
-rw-r--r-- 1 andres andres 3.2K 2009-06-21 01:00 cmap250
-rw-r--r-- 1 andres andres 6.4K 2009-06-21 18:17 cmap500
-rw-r--r-- 1 andres andres 2.4M 2009-06-21 18:17 data.0

But that is not true! 
check the line 5:
 -rw-r--r-- 1 andres andres 2.0G 2009-06-21 20:31 class1000.1.log

ls is reporting a file size ... but wait, I have to mention that before
the "ls -lh", that log was increasing the size very quickly by a
process, so I've decided to do this (while another process was writing
to i)

   cat /dev/null > class1000.1.log

that is the trace of what I've do:

andres ~/facultad/probpln/proyecto/exp_1/ancora.2  $ ls -lh
total 1.8G
-rw-r--r-- 1 andres andres 1.1M 2009-06-20 23:50 cl150-counts.wc
-rw-r--r-- 1 andres andres 1.1M 2009-06-21 01:07 cl250-counts.wc
-rw-r--r-- 1 andres andres 1.1M 2009-06-21 18:17 cl500-counts.wc
-rw-r--r-- 1 andres andres 1.8G 2009-06-21 20:19 class1000.1.log
-rw-r--r-- 1 andres andres  190 2009-06-21 20:16 class1000.recovery
-rw-r--r-- 1 andres andres 450K 2009-06-21 20:16 class1000.recovery.cm
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:02 class.1.cm
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:23 class250.1.cm
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:32 class250.2.cm
-rw-r--r-- 1 andres andres  187 2009-06-21 00:32 class250.recovery
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:32 class250.recovery.cm
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:07 class.2.cm
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:10 class500.1.cm
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:31 class500.2.cm
-rw-r--r-- 1 andres andres  187 2009-06-21 17:31 class500.recovery
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:31 class500.recovery.cm
-rw-r--r-- 1 andres andres  184 2009-06-20 23:07 class.recovery
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:07 class.recovery.cm
-rw-r--r-- 1 andres andres 1.9K 2009-06-20 23:30 cmap
-rw-r--r-- 1 andres andres 3.2K 2009-06-21 01:00 cmap250
-rw-r--r-- 1 andres andres 6.4K 2009-06-21 18:17 cmap500
-rw-r--r-- 1 andres andres 2.4M 2009-06-21 18:17 data.0
andres ~/facultad/probpln/proyecto/exp_1/ancora.2  $ cat /dev/null > 
class1000.1.log 
andres ~/facultad/probpln/proyecto/exp_1/ancora.2  $ ls -lh
total 16M
-rw-r--r-- 1 andres andres 1.1M 2009-06-20 23:50 cl150-counts.wc
-rw-r--r-- 1 andres andres 1.1M 2009-06-21 01:07 cl250-counts.wc
-rw-r--r-- 1 andres andres 1.1M 2009-06-21 18:17 cl500-counts.wc
-rw-r--r-- 1 andres andres 1.8G 2009-06-21 20:19 class1000.1.log
-rw-r--r-- 1 andres andres  190 2009-06-21 20:16 class1000.recovery
-rw-r--r-- 1 andres andres 450K 2009-06-21 20:16 class1000.recovery.cm
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:02 class.1.cm
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:23 class250.1.cm
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:32 class250.2.cm
-rw-r--r-- 1 andres andres  187 2009-06-21 00:32 class250.recovery
-rw-r--r-- 1 andres andres 437K 2009-06-21 00:32 class250.recovery.cm
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:07 class.2.cm
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:10 class500.1.cm
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:31 class500.2.cm
-rw-r--r-- 1 andres andres  187 2009-06-21 17:31 class500.recovery
-rw-r--r-- 1 andres andres 441K 2009-06-21 17:31 class500.recovery.cm
-rw-r--r-- 1 andres andres  184 2009-06-20 23:07 class.recovery
-rw-r--r-- 1 andres andres 435K 2009-06-20 23:07 class.recovery.cm
-rw-r--r-- 1 andres andres 1.9K 2009-06-20 23:30 cmap
-rw-r--r-- 1 andres andres 3.2K 2009-06-21 01:00 cmap250
-rw-r--r-- 1 andres andres 6.4K 2009-06-21 18:17 cmap500
-rw-r--r-- 1 andres andres 2.4M 2009-06-21 18:17 data.0


I think is a bug of ls, or ext3, don't know, one of them is reporting wrong the 
size!!

I'm very sorry I haven't more information, I've reproduced it twice.

Andres

** Affects: ubuntu
     Importance: Undecided
         Status: New

-- 
Strange behavior of "ls" in Ubuntu 9.04
https://bugs.launchpad.net/bugs/390408
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