double fault when nullmounting

Matthew Dillon dillon at
Mon Jul 30 08:19:04 PDT 2007

:I just got this double fault when I was doing some layered mounts:
:Fatal double fault
:I'll look the symbols up.  I guess that was a stack overflow, the second one.

    The symbols might give me a clue.  Considering the value of %esp it
    certainly does look like stack overflow.

    nm -N kernel.debug | less ... look for procedure containing %eip above.


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