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Subject: Re: Alpha  - how to fill the PC
From: "Aneesh Kumar K.V" <aneesh.kumar@digital.com>
To: Tyler BIRD <birdty@uvsc.edu>
Cc: linux-kernel <linux-kernel@vger.kernel.org>
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Date: 17 Dec 2001 09:33:34 +0530
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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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