Re: [Valgrind-users] Debugging vmware process

2012-12-05 Thread Simon Bonello
Hi Guys,

I am trying to track a memory leak in a vmware service and I tried to use
valgrind to track the leak. Unfortunately it is stopping for the following
instruction.

vex x86-IR: unhandled instruction bytes: 0xF 0xB 0xFF 0x85

I am using a busybox 1.20.0. Help would be highly appreciated.

Regards

Simon
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Re: [Valgrind-users] Debugging vmware process

2012-12-05 Thread John Reiser
On 12/05/2012 09:18 AM, Simon Bonello wrote:
 I am trying to track a memory leak in a vmware service and I tried to use 
 valgrind to track the leak. Unfortunately it is stopping for the following 
 instruction.
 
 vex x86-IR:unhandled instruction bytes:0xF 0xB 0xFF 0x85
 
 I am using a busybox 1.20.0.||Help would be highly appreciated.


Use plain text for posting, not HTML.

Which version of valgrind?  What was the shell command that you invoked
in order to get the error?

0x0f 0x0b is 'ud2', the blessed-by-Intel opcode for undefined instruction.
It means that the compiler's code generator thought that it was impossible
to get to that point.  The cause of the real error happened some time ago.
So look at the traceback, or sometimes even farther back than that.
(Is the traceback from glibc, uClibc, or the app itself?)

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Re: [Valgrind-users] Debugging vmware process

2012-12-05 Thread Philippe Waroquiers
On Wed, 2012-12-05 at 11:57 -0800, John Reiser wrote:
 On 12/05/2012 09:18 AM, Simon Bonello wrote:
  I am trying to track a memory leak in a vmware service and I tried to use 
  valgrind to track the leak. Unfortunately it is stopping for the following 
  instruction.
  
  vex x86-IR:unhandled instruction bytes:0xF 0xB 0xFF 0x85
  
  I am using a busybox 1.20.0.||Help would be highly appreciated.

 
 
 Use plain text for posting, not HTML.
 
 Which version of valgrind?  What was the shell command that you invoked
 in order to get the error?
 
 0x0f 0x0b is 'ud2', the blessed-by-Intel opcode for undefined instruction.
 It means that the compiler's code generator thought that it was impossible
 to get to that point.  The cause of the real error happened some time ago.
 So look at the traceback, or sometimes even farther back than that.
 (Is the traceback from glibc, uClibc, or the app itself?)
 


You might also look at thread
http://comments.gmane.org/gmane.comp.debugging.valgrind.devel/17911

which speaks about specific vmware stuff and how it was finally 
supported (without patch in Valgrind, instead using client requests).

Philippe



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