Re: Broken sha512sum in coreutils

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Andy Green wrote:
> On 01/07/11 15:58, Somebody in the thread at some point said:
> 
>> The results are definitely different when using the sha512sum from the
>> tar ball.
>>
>> (/usr/src/arm/rootfs-f12 is a fresh, pristine tarball extract)
>>
>> Where are our methods diverging?
> 
> Dunno, kernel is different though.
> 
> [root@ivmon ~]# /tmp/sha512sum /bin/bash
> ceea8800ab1258468c76839e42b1457bff8b4888766758420612dc991c04c46ef0f8fc0ea6d0fd0132f00a9666086d18900514632c0f2afe428302e2b2b5b384 
>  /bin/bash
> [root@ivmon ~]# /usr/bin/sha512sum /bin/bash
> ceea8800ab1258468c76839e42b1457bff8b4888766758420612dc991c04c46ef0f8fc0ea6d0fd0132f00a9666086d18900514632c0f2afe428302e2b2b5b384 
>  /bin/bash
> [root@ivmon ~]# ls -l /tmp/sha512sum
> -rwxr-xr-x 1 root root 100636 Jan 11 00:41 /tmp/sha512sum
> [root@ivmon ~]# ls -l /usr/bin/sha512sum
> -rwxr-xr-x 1 root root 103456 Oct  8  2009 /usr/bin/sha512sum
> 
> Is your alignment stuff all zeroes still?
> 
> [root@ivmon ~]# cat /proc/cpu/alignment
> User:        0
> System:        0
> Skipped:    0
> Half:        0
> Word:        0
> DWord:        0
> Multi:        0
> User faults:    0 (ignored)

You may be on to something here:

[root@sheeva ~]# uname -a
Linux sheeva 2.6.36.2-vs2.3.0.36.38.2-kw #1 Wed Jan 5 17:54:59 GMT 2011 
armv5tel armv5tel armv5tel GNU/Linux

[root@sheeva ~]# cat /proc/cpu/alignment
User:           12230853
System:         1
Skipped:        0
Half:           0
Word:           0
DWord:          1
Multi:          0
User faults:    0 (ignored)

What does that imply, then?

Gordan
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