Public bug reported:

Binary package hint: exmap

Installed exmap and exmap-modules-source, compiled module and installed it.
Hardy Heron, AMD64 version.

Errors when running: gksudo gexmap:
1 /lib/ld-2.7.so calc_maps_for_elf_file: can't calc map for seg
1 /lib/ld-2.7.so calc_maps_for_file: failed to calc elf file maps
calc_maps: failed to calc for /lib/ld-2.7.so
Failed to process maps for pid 1
Snapshot::load - failed to load: calculate file mappings
1: empty restriction to file [stack]
1: empty restriction to file /sbin/init
1: empty restriction to file [heap]
1: empty restriction to file [vsyscall]
1: empty restriction to file [anon]
1: empty restriction to file /lib/libc-2.7.so
1: empty restriction to file [vdso]
1: empty restriction to file /lib/ld-2.7.so
1: empty restriction to file [stack]
1: empty restriction to file /sbin/init
1: empty restriction to file [heap]
1: empty restriction to file [vsyscall]
1: empty restriction to file [anon]
1: empty restriction to file /lib/libc-2.7.so
1: empty restriction to file [vdso]
1: empty restriction to file /lib/ld-2.7.so
1: empty restriction to file [stack]
1: empty restriction to file /sbin/init
1: empty restriction to file [heap]
1: empty restriction to file [vsyscall]
1: empty restriction to file [anon]
1: empty restriction to file /lib/libc-2.7.so
1: empty restriction to file [vdso]
1: empty restriction to file /lib/ld-2.7.so
1: empty restriction to file /lib/ld-2.7.so
1: empty restriction to file /lib/libc-2.7.so
1: empty restriction to file /sbin/init
1: empty restriction to file [anon]
1: empty restriction to file [stack]
1: empty restriction to file /sbin/init
1: empty restriction to file [heap]
1: empty restriction to file [vsyscall]
1: empty restriction to file [anon]
1: empty restriction to file /lib/libc-2.7.so
1: empty restriction to file [vdso]
1: empty restriction to file /lib/ld-2.7.so

It then shows zero for all processes.

And when trying to run it as normal user:
Can't open file: /var/cache/nscd/passwd
File::load - can't open file: /var/cache/nscd/passwd
Can't open file: /var/cache/nscd/group
File::load - can't open file: /var/cache/nscd/group
Can't open file: /var/cache/nscd/services
File::load - can't open file: /var/cache/nscd/services
10963 /lib/ld-2.7.so calc_map_for_seg: non-file backed first vma
10963 /lib/ld-2.7.so calc_maps_for_elf_file: can't calc map for seg
10963 /lib/ld-2.7.so calc_maps_for_file: failed to calc elf file maps
calc_maps: failed to calc for /lib/ld-2.7.so
Failed to process maps for pid 10963
Snapshot::load - failed to load: calculate file mappings
Vma::get_pages_for_range - start pgnum out of range: 0, 0 [vsyscall]
sizes_for_mem_range: Can't get pages for range (ffffffffff600000,ffffffffff6010)
gexmap: /usr/include/boost/shared_ptr.hpp :315 : T* boost::shared_ptr<T>::opera.
Abandon

** Affects: exmap (Ubuntu)
     Importance: Undecided
         Status: New

** Description changed:

  Binary package hint: exmap
  
  Installed exmap and exmap-modules-source, compiled module and installed it.
- Hardy Heron, AMD46 version.
+ Hardy Heron, AMD64 version.
  
  Errors when running: gksudo gexmap:
  1 /lib/ld-2.7.so calc_maps_for_elf_file: can't calc map for seg
  1 /lib/ld-2.7.so calc_maps_for_file: failed to calc elf file maps
  calc_maps: failed to calc for /lib/ld-2.7.so
  Failed to process maps for pid 1
  Snapshot::load - failed to load: calculate file mappings
  1: empty restriction to file [stack]
  1: empty restriction to file /sbin/init
  1: empty restriction to file [heap]
  1: empty restriction to file [vsyscall]
  1: empty restriction to file [anon]
  1: empty restriction to file /lib/libc-2.7.so
  1: empty restriction to file [vdso]
  1: empty restriction to file /lib/ld-2.7.so
  1: empty restriction to file [stack]
  1: empty restriction to file /sbin/init
  1: empty restriction to file [heap]
  1: empty restriction to file [vsyscall]
  1: empty restriction to file [anon]
  1: empty restriction to file /lib/libc-2.7.so
  1: empty restriction to file [vdso]
  1: empty restriction to file /lib/ld-2.7.so
  1: empty restriction to file [stack]
  1: empty restriction to file /sbin/init
  1: empty restriction to file [heap]
  1: empty restriction to file [vsyscall]
  1: empty restriction to file [anon]
  1: empty restriction to file /lib/libc-2.7.so
  1: empty restriction to file [vdso]
  1: empty restriction to file /lib/ld-2.7.so
  1: empty restriction to file /lib/ld-2.7.so
  1: empty restriction to file /lib/libc-2.7.so
  1: empty restriction to file /sbin/init
  1: empty restriction to file [anon]
  1: empty restriction to file [stack]
  1: empty restriction to file /sbin/init
  1: empty restriction to file [heap]
  1: empty restriction to file [vsyscall]
  1: empty restriction to file [anon]
  1: empty restriction to file /lib/libc-2.7.so
  1: empty restriction to file [vdso]
  1: empty restriction to file /lib/ld-2.7.so
  
  It then shows zero for all processes.
  
  And when trying to run it as normal user:
  Can't open file: /var/cache/nscd/passwd
  File::load - can't open file: /var/cache/nscd/passwd
  Can't open file: /var/cache/nscd/group
  File::load - can't open file: /var/cache/nscd/group
  Can't open file: /var/cache/nscd/services
  File::load - can't open file: /var/cache/nscd/services
  10963 /lib/ld-2.7.so calc_map_for_seg: non-file backed first vma
  10963 /lib/ld-2.7.so calc_maps_for_elf_file: can't calc map for seg
  10963 /lib/ld-2.7.so calc_maps_for_file: failed to calc elf file maps
  calc_maps: failed to calc for /lib/ld-2.7.so
  Failed to process maps for pid 10963
  Snapshot::load - failed to load: calculate file mappings
  Vma::get_pages_for_range - start pgnum out of range: 0, 0 [vsyscall]
  sizes_for_mem_range: Can't get pages for range 
(ffffffffff600000,ffffffffff6010)
  gexmap: /usr/include/boost/shared_ptr.hpp :315 : T* 
boost::shared_ptr<T>::opera.
  Abandon

-- 
exmap not working
https://bugs.launchpad.net/bugs/226626
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