Doing vfork: resource temporarily unavailable

Sebastien Vauban
Tue May 26 13:58:00 GMT 2015

"Rockefeller, Harry" <> writes:

>>-----Original Message-----
>>From: [] On Behalf Of Jim Reisert AD1C
>>Sent: Wednesday, May 20, 2015 8:54 AM
>>Subject: Re: Doing vfork: resource temporarily unavailable
>>> This indicates that you need to run a full rebase
>>> (  The
>>> simplest way to do this is to run '/usr/bin/rebase-trigger full', then
>>> stop all Cygwin processes and services, and then run setup-x86.exe.
>>> The _autorebase postinstall script will then take care of the rebase.
>>> I have occasionally found it necessary to reboot the computer before
>>> doing this.
>>This doesn't always work for me.  In fact, I just did this - set the trigger, rebooted,
>>then ran Cygwin Setup.  The first time I started Emacs, no problem (only one dbus warning).
>>The very next time, this:
>>      0 [main] emacs-X11 2512 child_info_fork::abort:
>>C:\Cygwin\bin\cygMagickCore-6.Q16-2.dll: Loaded to different address:
>>parent(0x1710000) != child(0x1920000)
> Recently I spent about an hour running numerous rebaseall commands interspersed with
> at least one rerun of setup-x86 and 3 reboots before my emacs vfork errors went away.
> I don't know if it was the third reboot or something else such as deleting some of my
> biggest emacs buffers ( I use desktop-save-mode) that finally cured the problem.
> If there is a "bottom" to this problem I would be willing to participate as a tester.

The autorebase did not work for me, even after several trials.

I finally de-installed Cygwin, and reinstalled it (in its 64bit version
which I did not use up to now).

Now everything is back on track. Thanks.

Best regards,

Sebastien Vauban

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