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Date: Fri, 30 Nov 2018 14:19:18 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: MinTTY requires gdiplus.dll ? (2)
Message-ID: <20181130131918.GI30649@calimero.vinschen.de>
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References: <1953c30851fd83b67ee9b162b29f4195 AT xs4all DOT nl> <20181129195845 DOT GE30649 AT calimero DOT vinschen DOT de> <4286450150901731f39f9514b8044ded AT xs4all DOT nl>
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On Nov 30 13:42, Houder wrote:
> On 2018-11-29 20:58, Corinna Vinschen wrote:
> > On Nov 29 19:41, Houder wrote:
> [snip]
>=20
> > > --- Process 3112 loaded C:\Windows\System32\winmm.dll at
> > > 000007fefa040000
> > > --- Process 3112 loaded C:\Windows\System32\winspool.drv at
> > > 000007fef9f10000
> > > --- Process 3112, exception c0000005 at 0000000180044bb3
> > > --- Process 3112 exited with status 0xc0000005
> > > Segmentation fault
> >=20
> > I can reproduce this but while it's clear *where* it happens, it's
> > unclear *when* and *why* it happens.
> >=20
> > It only occurs if mintty is the first process in a process tree.  I.e.,
> > when starting mintty from a shell running in a DOS window, the problem
> > disappears.
> >=20
> > Worse, the problem also disappears when running mintty under gdb.
>=20
> (I do not understand _exactly_ what you say here)
>=20
> Uhm, if I invoke "gdb /usr/bin/mintty" (so, from the "Dos box") the probl=
em
> does NOT disappear.
>=20
> That is:
>=20
>     2 threads are created ... and that is it; no MinTTY window showing up!

I'm trying to avoid remote debugging so I rather try to reproduce this
@work.  However, if you're interested in debugging this, set a
breakpoint to clk_monotonic_t::now() and observe how the call to the
virtual init() method hangs or crashes.  If you find out why, I'd be
most grateful.


Corinna

--=20
Corinna Vinschen
Cygwin Maintainer

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