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Re: ARM pmap



Hello,

On Wed, 14 Jun 2017 09:37:22 +0100
Robert Swindells <rjs%fdy2.co.uk@localhost> wrote:

> matthew green <mrg%eterna.com.au@localhost> wrote:
> >Robert Swindells writes:  
> >> 
> >> Is there anything in the way that uvm is used on ARM that would break
> >> being able to replace executables that are in use ?
> >> 
> >> Trying to update a running system on a CubieTruck causes garbage to be
> >> written to /sbin/init and it fails to start up on reboot.
> >> 
> >> I first saw this a few months ago but it did work fine before that.  
> >
> >how are you doing the update?  cp(1) will break stuff, but pax(1) won't.  
> 
> Was doing "find . -print | cpio -pdmu", works on every other architecture.

Or just tar xpzf ... - ours at least unlinks files before writing them,
install(1) instead of cp(1) for single files.

have fun
Michael


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