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Date: Sat, 9 Mar 2019 16:38:03 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: "Rockefeller, Harry" <Harry DOT Rockefeller AT flightsafety DOT com>
Cc: "cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject: Re: Fork issue with timerfd
Message-ID: <20190309153803.GS3785@calimero.vinschen.de>
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Mail-Followup-To: "Rockefeller, Harry" <Harry DOT Rockefeller AT flightsafety DOT com>,	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
References: <67d143c997f2d873435647acebd2226c4e8661d3 DOT camel AT upcmail DOT hu> <20190306212324 DOT GD3785 AT calimero DOT vinschen DOT de> <ec73c62c9f6acefea7d07a45114460dc9bfc8c54 DOT camel AT upcmail DOT hu> <9d6bb43680524d3ab7878ae7a0cae233 AT vsrv060ex03 DOT ssd DOT fsi DOT com> <20190308202205 DOT GR3785 AT calimero DOT vinschen DOT de> <c2f6e2a2b10c490691d1ce01bc820cdc AT vsrv060ex03 DOT ssd DOT fsi DOT com>
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On Mar  8 21:27, Rockefeller, Harry wrote:
> [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, d=
oing copy/paste with the mouse, and it just works with 0308.
>=20
> [snip]
>=20
> > Install the cygwin1.dbg file into /bin and When Emacs hangs, attach wit=
h gdb and print the backtrace of each thread.  That should give a hint.
>=20
> > > 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 Bro=
wn'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.)
>=20
> > Can you please test the 0308 snapshot with stock emacs, too?
>=20
> I am testing with https://cygwin.com/snapshots/x86/cygwin1-20190308.dll.x=
z and stock (26.1) emacs now.
> I see no hangup so far.  You're not going crazy Corinna.

Thanks for confirming :}


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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