[fedora-arm] Broken sha512sum in coreutils / forcing alignment fixup and logging in initscripts

Gordan Bobic gordan at bobich.net
Sun Jan 9 12:36:17 UTC 2011


On 01/09/2011 12:29 PM, Andy Green wrote:
> On 01/09/11 12:09, Somebody in the thread at some point said:
>
>>> Sounds right. The user is going to google why his log is filling with
>>> these warnings if he cares and the problem is bad, and this covers his
>>> code as well as distro code (with the small window where the alignment
>>> policy is still 0 from running init through actually setting the
>>> alignment policy to fix+log if he doesn't know about the kernel
>>> parameter).
>>>
>>> If he doesn't use Fedora initscripts, then he's at the mercy of the
>>> kernel default alignment policy of "mangle data silently" but that's not
>>> a Fedora problem.
>>
>> In can, however, see one good argument for warn+signal, and that is that
>> abrt already picks up crashes for reporting so no change would be
>> required there. Also a core dump would be useful to pin down the errors
>> that aren't trivial to reproduce.
>
> Signal is pretty violent if, for example, once in a blue moon even init
> or sshd can blow an alignment fault for some reason. It'd be very
> interesting to find it in the logs but less interesting to find your
> embedded Fedora device at the bottom of the ocean can't be logged into
> any more for no real reason.

I understand your point, but we're talking about defaults here, not 
specialist defices that were deployed by people knowledgeable of what 
they are doing. Fedora is a development/testing distribution, no a 
production/stable/enterprise one. Whould there ever be a release of RHEL 
for ARM, then that should perhaps have alignment=3 as default, and 
perhaps Fedora should have alignment=5 as default.

Gordan


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