🚀 go-pugleaf

Thanks Jonathan for the reply. Please see below

On Tue, 25 Oct 2005 12:33:48 -0600, Jonathan Scott
<jonathan_scott@vnet.ibm.com> wrote:

>From the example you give, it's not clear whether you've made
>sure that AR4 is zero (to access primary) and that AR5 was zero
>(before the LAM) so that the ALET constant was also loaded from
>primary.  You should normally load them with LAM to make sure,
>preferably before switching to AR mode.



Ing>>  The symptom string is as follows:

AR/GR 0: 80C36E58/00000000_00000040   1: 00000000/00000000_87C9805C
      2: 00000000/00000000_089006C9   3: 00000000/00000000_008E4AD4
      4: 00000000/00000000_089006E4   5: 00000001/00000000_08900F8C
      6: 00000000/00000000_88900C08   7: 00000000/00000000_FD000000
      8: 00000000/00000000_088E3D48   9: 00000000/00000000_008EC9A0
      A: 00000000/00000000_00007F18   B: 00000000/00000000_87C98002
      C: 00000000/00000000_88900BF8   D: 00000000/00000000_00006F60
      E: 00000000/00000000_87C98064   F: 00000000/00003100_00000008



>
>If you access your client's address space using a secondary ALET
>with SASN=OLD, your server needs AX authority to access the
>client address space.


Ing>> Auth has been given to all ASNs using AXSET with AX=1



You can avoid this requirement by instead
>using a home ALET (value 2), which does not require any special
>authority (but of course means that you cannot support calls from
>client code which is already running in cross-memory mode, as the
>parameters are assumed to be in the home address space rather
>than the calling address space).



>
>I'd also like to comment that if something doesn't work in its
>original key, switching to key 0 is rarely a good idea!
>


Ing>>  Yes, I agree. Its just that I was trying everything possible to see
it work


>In most cases, cross-memory server code should run in supervisor
>state but key 8, which allows it to access its own private
>storage and that of a typical caller without any special key
>processing, but means that it can use authorized operating system
>services and switch to key 0 temporarily when necessary.
>
>Jonathan Scott
>IBM Hursley, UK