Public bug reported:

Binary package hint: valgrind

Description:    Ubuntu 9.10
Release:        9.10
Valgrind 3.5.0

Vagrind segfaults on start up
$ valgrind 
segfault in coregrind/m_machine.c after a SIGILL.

adding at the top
#pragma GCC optimize ("-O0")

And recompiling solve the issue. Don't know if it's a gcc or valgrind bug but 
anyway this code is brittle.
longjmp is not signal handler safe and anyway after a longjmp the signals mask 
is undefined.

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

-- 
valgrind is broken on powerpc
https://bugs.launchpad.net/bugs/484048
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