BTW, my systems fail with varying symptoms. Most frequently is a SIGSEGV, but SIGBUS is also common. Failures usually occur in either nbmandoc or gcc.
On Sun, 2 Jan 2011, Gary Duzan wrote:
  Sorry to reopen this old thread, but I'm seeing something quite
similar, with a release build dying with a SEGV in nbmandoc fairly
consistently. Did anything get resolved off-list for this issue?
  I'm also running an AMD system, but with an older Phenom 9850
Quad-Core CPU and MS-7551 motherboard. I did have some memory
problems a month or so ago, but after cranking back the clock and
passing an extensive memtest86+ test, I reinstalled the OS and
rebuilt everything. It's since then that I've noticed the problem.
  Thanks.
                                        Gary Duzan
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