Bogus exit code 127 from a child process

[Takashi Yano]

On Sun, 17 Mar 2024 12:01:55 +0300
Alexey Izbyshev wrote:
> On 2024-03-17 11:44, Takashi Yano wrote:
> > On Sun, 17 Mar 2024 11:14:16 +0300
> > Alexey Izbyshev wrote:
> >> Hello,
> >> 
> >> I've been getting occasional "Error 127" from make -jN on seemingly
> >> random jobs. After reducing the set of jobs and eventually eliminating
> >> make, I've arrived to this one-liner:
> >> 
> >> bash -c 'true & true & wait -n || echo 1: $? && wait -n || echo 2: $?'
> >> 
> >> When run repeatedly, the second "wait -n" often reports 127.
> >> 
> >> I've reproduced this in the following environments:
> >> 
> >> * Cygwin 3.5.1, Windows 10 22H2 x64
> >> * Cygwin 3.4.6, Windows 10 22H2 x64 and Windows 7 x64
> >> 
> >> I couldn't reproduce it in Cygwin 3.3.6 (WOW64) on Windows 7 x64.
> > 
> > Could you please try latest cygwin 3.6.0 (TEST) ?
> 
> Tested with 3.6.0-0.82.gfc691d0246b9 on Windows 10 22H2 x64, the problem 
> still occurs.

In my evrironmen, trial for 1 hour does not reproduce the issue.
Could you please let us know your environment, i.e. CPU, amount of 
memory, and so on?

-- 
Takashi Yano <takashi.yano@nifty.ne.jp>