OS hang when multi-process build fail

Marco Atzeri marco.atzeri@gmail.com
Sat Dec 4 10:34:00 GMT 2021

On 04.12.2021 09:51, Roumen Petrov wrote:
> Hello Cygwin users,
> On non regular basis I would like to perform regression test of recent 
> pkix-ssh version with recent openssl release.
> In this case is was openssl master branch now release as 3.0.
> The problem is that with current cygwin packages gcc make and etc. 
> openssl build with "num of cpu + 1" processes fail with communication 
> error.
> Issue is that in such case operation system is unusable.  It respond on 
> mouse events but build process in cygwin console cannot be canceled by 
> keyboard interrupt signal (crtl+c).  Also cygwin console window cannot 
> be closed as well. More over "task manager" and etc cannot be started 
> and I must shutdown OS - [power]  button works.

That is strange

> Builds were run  in cygwin console without administrative rights.
> It seems to me current cygwin release has issue with inter-process 
> communication, for instance in setup program as well.

is cygserver running ?

> Regards,
> Roumen Petrov
> P.S. Now I use single process "night"-build as work-around.

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