Re: [Gems-users] Error Loading Ruby Module

[Dan Gibson <degibson@xxxxxxxx>]

How about a phys_mem0 object?
A phys_mem object?

Datta, Kushal wrote:

No, my check file does not contain ruby object. I started simics as "./simics -stall checkpoints/<check file>" and tried to load-module ruby. Its giving me the Physical Memory object not found error.

-----Original Message-----
From: gems-users-bounces@xxxxxxxxxxx on behalf of Dan Gibson
Sent: Wed 10/25/2006 2:50 PM
To: Gems Users
Subject: Re: [Gems-users] Error Loading Ruby Module
 
Does your check file contain a ruby object? That is, did you 
write-configuration after a load-module ruby? If so, you'll have to 
manually remove ruby from the check file, as I wrote in my previous mail 
to Derin.

Regards,
Dan

Datta, Kushal wrote:
  

Hi Dan,

I double-checked it. Even though I read-configuration a checkpoint file (.conf), it is giving me a "Physical Memory object not found" error. Object phys_mem or phys_mem0 is not allocated.


-----Original Message-----
From: gems-users-bounces@xxxxxxxxxxx on behalf of mehmetderin.harmanci@xxxxxxx
Sent: Wed 10/25/2006 2:34 PM
To: Gems Users
Subject: Re: [Gems-users] Error Loading Ruby Module
 

  Hello,

    I have a similar problem as Kushal, however it is a slightly different
  case. I could not solve how to solve it. The problem is as follows:

  Well, what I would like to do is to store a checkpoint during my simulation
  where Ruby is also running.
  That's, I start simics with a checkpoint and load Ruby, set the parameters
  I want and start the simulation. Then I stop the simulation and write the
  simics configuration to a conf file. When I restart simics from this
  configuration simics gives the "Physical Memory Object not found" error.
  I guess simics tries to load ruby module before loading other parts of
  the checkpoint which are needed by ruby. Is there a turn around for this?
  Or should I run all my ruby simulations from the very beginning all the
  time and can not get intermediate checkpoints?

    Sorry for interrupting,

      Derin Harmanci




Quoting Dan Gibson <degibson@xxxxxxxx>:

  
    

Great job diagnosing the first error. I'll probably add that to the FAQ
sometime soon.



Your new error is caused by not reading a configuration before loading
Ruby. At load-time, Ruby searches for a physical memory object to
attach itself to-- there is no physical memory object before a
checkpoint is loaded.



Regards,

Dan



Datta, Kushal wrote:

  Hi Dan,

Thanks for your advice. It worked for gcc-4.0.3. Here's the deal. For every
makefile, I had to change the LDFLAGS and MODULE_LDFLAGS variables to point
to the non-native lib folder. Moreover, the SHELL variable in the
common/Makefile.common was set to /bin/sh whereas I was using /bin/bash. At
the end, I checked ruby.so, first using ldd and then objdump -T. All the
proper files were linked and ruby.so had just one entry for ruby_session_set
whereas previosuly it had two entries.

When I first start simics from the MOSI_SMP_bcast directory, and do a
"load-module ruby" it gives me the error as:

/***************************************************************************\
 > Physical Memory object cannot be found. If you are NOT compiling Ruby and
<
 > you see this message, something is wrong.
<
 > This message is part of the normal compilation process.
<

\***************************************************************************/

Although, the gems-1.3.1 ruby.C file has that patch, still it is throwing
this error for the first time. The second time it loads ruby.

Now if I try to run the command "ruby0.setparam g_NUM_PROCESSOR 1" in simics,
it is giving me an error message as:

"attribute param in object ruby0: not found"

In fact, although it shows all the attributes of ruby0 when I press TAB, but
it cannot find any of them and throws the above error message for all of
them.

Thanks and regards,
Kushal.



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