Re: wrt 'Make doc crashing on my PC'

[David Kastrup]

James <address@hidden> writes:

> Hello
>
>
> On 10 August 2013 08:28, David Kastrup <address@hidden> wrote:
>
>> James <address@hidden> writes:
>>
>> > So whatever is going on is obviously not consistent :)
>>
>> cat /proc/sys/kernel/randomize_va_space
>>
>
> got '2'
>
>
>>
>> If you get something different from 0, try
>>
>> echo 0|sudo tee /proc/sys/kernel/randomize_va_space
>>
>> and then do repeated experiments.  I think that it's quite likely things
>> will be more repeatable after that.
>>
>>
> I couldn't get anything other than the normal 'debug' cyclic dependency
> output Keith mentioned I should get.
>
> :/
>
> I just checked also that the 'va_space' was 0 and it still is.
>
> Is that going to affect anything WRT normal lily pond patch testing? should
> I put it 'back' to something?

Put it back to 2.  Putting it to 0 just makes the memory layout
predictable.  Which is nice iff the predictable case is the one you want
to debug.

But it's also nice if you are writing security exploits, so 2 seems like
a better idea for normal system operation.

-- 
David Kastrup