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Full Discussion: BAD TRAP: type=30 rp=2a10001b840 addr=2a000012040 mmu_fsr=0
Operating Systems Solaris BAD TRAP: type=30 rp=2a10001b840 addr=2a000012040 mmu_fsr=0 Post 95219 by Perderabo on Monday 9th of January 2006 07:27:05 AM
Old 01-09-2006
"Bad trap" usually means that kernel tried something impossible. Usually it is dereferencing a bad pointer. It could be hardware, but my first guess would be a kernel bug, most likely in some driver. However, that "cmd: sched" makes me suspect the scheduler in this case. Really, I would call place a service call with Sun for something like this. If that is not possible, I would make sure that I have the last patch cluster for the os. Did you recently add some hardware to your box? If so, check for patches to the driver it uses. Also there is prtdiag -v which might yield some clues.
 

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LEARN ABOUT HPUX

mvalid

mvalid(2)							System Calls Manual							 mvalid(2)

NAME

       mvalid() - check memory region for validity

SYNOPSIS


   Parameters
       addr    The address of the region whose validity is to be checked.

       len     The length in bytes of the region specified by the addr parameter.

       prot    The desired access protection for the region.

DESCRIPTION

       The  function  checks the validity of a memory region.  A region is considered to be valid if accesses of the requested type are allowed to
       all addresses in the region.

       The header file defines the following access options:

	      The mapped region can be read.

	      The mapped region can be written.

	      The mapped region can be executed.

       The prot parameter can be any combination of and ORed together.

RETURN VALUES

       The function returns:

	      Success.
		     Accesses requiring the specified protection are allowed to all addresses within the specified range of addresses.

	      Failure.
		     is set to indicate the error.

ERRORS

       If the function fails, may be set to one of the following values:

       The range specified by
		      (addr, addr+len) is invalid for the process's address space, or the range specifies one or more unmapped pages,  or  one	or
		      more pages of the range disallows accesses of the specified protection.

       The	      prot parameter is invalid, or the addr parameter is not a multiple of the page size as returned by

       The range specified by
		      (addr, addr+len) is invalid for the process's address space, or the range specifies one or more unmapped pages.

AUTHOR

       was developed by HP.

SEE ALSO

       mmap(2), mprotect(2), sysconf(2).

																	 mvalid(2)
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