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From: "Rockefeller, Harry" <Harry DOT Rockefeller AT flightsafety DOT com>
To: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: RE: Fork issue with timerfd
Date: Fri, 8 Mar 2019 21:27:38 +0000
Message-ID: <c2f6e2a2b10c490691d1ce01bc820cdc@vsrv060ex03.ssd.fsi.com>
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[snip]
> > > > peter AT D11934N ~
> > > > $       1 [main] emacs 489 C:\CygWin\bin\emacs-w32.exe: *** fatal
> > > > error -
> > > > CreateThread failed for pipesel - 0x0<0x0>, Win32 error 8
> > >
> > > I couldn't directly reproduce this issue, but I saw emacs using
> > > more an more memory while the cursor was blinking.  I found a
> > > resource leak in posix timers which was probably the cause for this problem.
> > >
> > > I pushed a patch and uploaded new developer snapshots to
> > > https://cygwin.com/snapshots/
> > >
> > > Please test.
> I can't reproduce this with 0308.  I'm typing lots and lots in emacs, doing copy/paste with the mouse, and it just works with 0308.

[snip]

> Install the cygwin1.dbg file into /bin and When Emacs hangs, attach with gdb and print the backtrace of each thread.  That should give a hint.

> > I have been running
> > https://cygwin.com/snapshots/x86/cygwin1-20190306.dll.xz , i.e., March
> > 6th For a couple hours yesterday and all day today along with Ken Brown's test version of emacs (GNU Emacs 26.1.92) And have not had a hiccup.
> > (Well, to be truthful, I'm running a lot more of Ken Brown's test
> > software than just emacs.)

> Can you please test the 0308 snapshot with stock emacs, too?

I am testing with https://cygwin.com/snapshots/x86/cygwin1-20190308.dll.xz and stock (26.1) emacs now.
I see no hangup so far.  You're not going crazy Corinna.

> Ken, any chance you could test this as well?  If there really are still hangs with current emacs and the 0308 snapshot,
>  I might need a bit of help.  Some kind of reproducer or some input as to the nature of the hangs would be nice.


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