[fedora-arm] Broken sha512sum in coreutils

Gordan Bobic gordan at bobich.net
Fri Jan 7 16:50:56 UTC 2011


Gordan Bobic wrote:
> Andy Green wrote:
>> On 01/07/11 16:15, Somebody in the thread at some point said:
>>
>>> [root at sheeva ~]# cat /proc/cpu/alignment
>>> User:           12230853
>>> System:         1
>>> Skipped:        0
>>> Half:           0
>>> Word:           0
>>> DWord:          1
>>> Multi:          0
>>> User faults:    0 (ignored)
>>
>> I wrote about the alignment issue here on ARM:
>>
>> http://warmcat.com/_wp/2007/05/25/the-alignment-monster/
>>
>> If I understood it, you have a bazillion alignment faults in your user 
>> code that aren't being fixed up, which will cause exactly this kind of 
>> symptom with sha512sum.
>>
>> Try
>>
>> echo 2 > /proc/cpu/alignment
>>
>> (take care to keep the spaces as shown) and try the tests again.
> 
> Yup, that fixes it! :)
> 
> So what is the correct/permanent solution to avoid problems like this?
> 
> *goes to RTFA* ;)
> 
> Gordan


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