Re: Alpha - how to fill the PC

From: Aneesh Kumar K.V (aneesh.kumar@digital.com)
Date: Sun Dec 16 2001 - 23:03:34 EST


Hi,

No, I have the full address space rebuilt on node2. I validated it
checking /proc/<pid>/maps

-aneesh

 

On Mon, 2001-12-17 at 01:17, Tyler BIRD wrote:
> One thing I thought of is the process on lets say node2 have exactly the same
> address space as on node 1 when it is migrated. You could be trying to return from a syscall
> to an address space of a process that doesn't exist on the node or hasn't migrated yet.
>
> Just a thought
>
> >>> "Aneesh Kumar K.V" <aneesh.kumar@digital.com> 12/16/01 06:19AM >>>
> Hi,
>
> I am trying to do process migration between nodes using alpha
> architecture. For explaining what is happening I will take the process
> getting migrated from node1 to node2. I am using struct pt_regs for
> rebuilding the process on node2.I am getting the same value of struct
> pt_regs on node1 and on node2 ( I print is using dik_show_regs) Now I
> want to set the value of registers including the program counter with
> the value i got from node1. Right now I am doing
> ret_from_sys_call(&regs). But then i am getting a Oops . The Oops
> message contain all the register values same as that I got from node1
> except pc and ra
>
> Any idea where I went wrong ?
>
> -aneesh
>
>
>
> -
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