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Date: Wed, 9 Jul 2014 14:22:45 +0200
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Emacs-w32... Still Crashing
Message-ID: <20140709122245.GH26447@calimero.vinschen.de>
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References: <1404760352 DOT 3454 DOT YahooMailNeo AT web185401 DOT mail DOT gq1 DOT yahoo DOT com> <53BBF86B DOT 7090801 AT cornell DOT edu> <20140709101501 DOT GE26447 AT calimero DOT vinschen DOT de>
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On Jul  9 12:15, Corinna Vinschen wrote:
> On Jul  8 09:55, Ken Brown wrote:
> > On 7/7/2014 3:12 PM, Zdzislaw Meglicki wrote:
> > >Program received signal SIGTRAP, Trace/breakpoint trap.
> > >[Switching to Thread 4532.0xa100]
> > >0x00007ff974f39e3b in KERNELBASE!DebugBreak () from /cygdrive/c/WINDOW=
S/system32/KERNELBASE.dll
> > >(gdb) bt
> > >#0  0x00007ff974f39e3b in KERNELBASE!DebugBreak () from /cygdrive/c/WI=
NDOWS/system32/KERNELBASE.dll
> > >#1  0x000000010061a7a4 in emacs_abort () at /usr/src/debug/emacs-24.3.=
91-1/src/w32fns.c:8474
> > >#2  0x000000010043b702 in check_message_stack () at /usr/src/debug/ema=
cs-24.3.91-1/src/xdisp.c:10993
> > >#3  0x00000001004fd763 in shut_down_emacs (sig=3D0, stuff=3D4305643570=
) at /usr/src/debug/emacs-24.3.91-1/src/emacs.c:2042
> > >#4  0x00000001004fd591 in Fkill_emacs (arg=3D60) at /usr/src/debug/ema=
cs-24.3.91-1/src/emacs.c:1952
> > >#5  0x00000001004fb159 in terminate_due_to_signal (sig=3D15, backtrace=
_limit=3D40) at /usr/src/debug/emacs-24.3.91-1/src/emacs.c:360
> > >#6  0x0000000100520429 in handle_fatal_signal (sig=3D15) at /usr/src/d=
ebug/emacs-24.3.91-1/src/sysdep.c:1630
> > >#7  0x000000010052035d in deliver_process_signal (sig=3D15, handler=3D=
0x100520411 ) at /usr/src/debug/emacs-24.3.91-1/src/sysdep.c:1570
> > >#8  0x0000000100520444 in deliver_fatal_signal (sig=3D15) at /usr/src/=
debug/emacs-24.3.91-1/src/sysdep.c:1636
> > >#9  0x0000000180070c8a in _cygtls::call_signal_handler (this=3D0x43ce0=
0) at /usr/src/debug/cygwin-1.7.30-1/winsup/cygwin/exceptions.cc:1463
> > >#10 0x0000000180111db8 in sigdelayed () from /usr/bin/cygwin1.dll
> > >#11 0x0000000100a2e832 in bss_sbrk_buffer ()
> > >#12 0x0000000000000000 in ?? ()
> >=20
> > Thanks.  All I can see from this is that a SIGTERM was generated, causi=
ng
> > emacs to abort, but maybe someone else can see more.
> >=20
> > Grasping at straws, as usual, I wonder if these mysterious crashes coul=
d be
> > related to a bug that Corinna just fixed:
> >=20
> >   https://cygwin.com/ml/cygwin-cvs/2014-q3/msg00004.html
> >=20
> > Corinna, is this plausible?  If so, maybe Gustav should try the next
> > snapshot of the Cygwin DLL.  (The current one doesn't seem to have this=
 fix
> > in it.)
>=20
> Maybe, but the signal should be SIGSEGV, not SIGTERM.  SIGTERM is=20
> usually an application-created signal.

I created new snapshots on http://cygwin.com/snapshots/  They also intend
to fix a bug in calls to pthread_getattr_np and pthread_attr_getstack
which seem to raise problems in JIT environments like java, ruby, guile,
etc.


Corinna

--=20
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Maintainer                 cygwin AT cygwin DOT com
Red Hat

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