2012/6/7 Uwe F. Mayer <uwe_f_ma...@yahoo.com> > 3 [main] pypy-c 11788 fixup_mmaps_after_fork: ReadProcessMemory failed for > MAP_PRIVATE address 0xB0010000, Win32 error 998
Aha, looks interesting. Searching for this error message, I found that cygwin unblocks the parent process before the child calls "fixup_mmaps_after_fork": http://www.mail-archive.com/cygwin@cygwin.com/msg05547.html Could you try again with strace? Does the parent really unmap memory? Or is it because of the special access rights that the JIT uses to mark the memory as executable? -- Amaury Forgeot d'Arc
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