Windows 8 Release Preview. fork problems with rsync

Bertrand Latinville
Wed Jun 6 14:41:00 GMT 2012

I'm using

 rsync --chmod=ug=rwX -arvz --prune-empty-dirs  --include="*/"
--include-from=include-file.txt  --exclude="*" ${source_dir}/

The include list from include-file.txt is up to four lines with some
wildcard like

2012/6/6 Corinna Vinschen
> On Jun  6 12:57, Bertrand Latinville wrote:
>> Hello,
>> I'm using cygwin 1.7.75 on Windows 8 Release Preview 64 bits.
>> Bash scripts are launched via jenkins.
>> I'm getting some problems with rsync giving fork errors.
>> This is not systematic,this happens once over 6 times.
>> building file list ... done
>>      1 [main] rsync 1728 fhandler_dev_zero::fixup_mmap_after_fork:
>> requested 0xFED00000 != 0x0 mem alloc base 0x0, state 0x10000, size
>> 262144, Win32 error 487
> Apparently rsync calls mmap to create an anonymous mapping.  mmap
> memory areas are allocated top down.  Also top-down allocated are
> the OS areas which correspond to the PEB and the TEBs.  The above
> memory collision is probably one where the mmap area collides with
> a TEB or PEB.  I'm testing on W* as well and I'm running a W2012
> server all the time since last Friday, but I didn't observe this
> problem yet.  I also can't reproduce it with some arbitrary rsync -a
> command.  What rsync command are you using?

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