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Re: recreate_mmaps_after_fork_failed errors post-11-30 snapshot

> From: Corinna Vinschen <corinna-cygwin at cygwin dot com>
> On Dec 14 15:00, Van Sickle, Gary wrote:
> > OK, lessee what I missed:
> The error message content.  When fixup_mmaps_after_fork fails, there's
> a message in your window which gives at least some details for a

$ tar --help
C:\cygwin\bin\bash.exe (3360): *** recreate_mmaps_after_fork_failed

The number in parens changes with every attempted invocation of any
program, everything else stays the same.

> And why didn't you try strace?


- I didn't think of it.
- There is no mention of a requirement to do so before reporting a
potential issue on
- I'm at work, where I'm paid to do things other than debug Cygwin
- I thought an straceless bug report was better than no bug report at

>  This would give a lot more details which
> might help to track this down, practically everything with the words
> "mmap" in it would be helpful.

$ strace tar --help
C:\cygwin\bin\bash.exe (3476): *** recreate_mmaps_after_fork_failed

From a cmd.exe prompt:

H:\>strace bash | grep mmap
  150   33277 [main] bash 2992 mmap64: addr 0, len 1376256, prot 3,
flags 22, fd
 -1, off 0
  495   33772 [main] bash 2992 mmap64: 0x189F0000 = mmap()
bash-3.00$ tar --help
   43 25299558 [main] bash 3556 fixup_mmaps_after_fork: fd -1, h 0x1,
address 0x
189F0000, len 0x150000, prot: 0x3, flags: 0x22, offset 0
 3219 25302777 [main] bash 3556 fixup_mmaps_after_fork: succeeded
bash-3.00$ exit

> Corinna
> -- 
> Corinna Vinschen                  Please, send mails regarding Cygwin
> Cygwin Project Co-Leader          cygwin AT cygwin DOT com
> Red Hat

Gary R. Van Sickle
Contract EE
Medtronic MRI DI/PE Team

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