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Message-ID:	<543C1EB9.1070506@cornell.edu>
Date:	Mon, 13 Oct 2014 14:49:29 -0400
From:	Ken Brown <kbrown AT cornell DOT edu>
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To:	cygwin AT cygwin DOT com
Subject:	Re: HEADSUP to Emacs users
References:	<54396A9E DOT 3070907 AT cornell DOT edu> <543B9724 DOT 7080600 AT netfence DOT it> <543BB97F DOT 6000604 AT cornell DOT edu> <543C0459 DOT 1030107 AT netfence DOT it>
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On 10/13/2014 12:56 PM, Andrea Venturoli wrote:
> On 10/13/14 13:37, Ken Brown wrote:
>
>> It works fine for me in that scenario.
>
> I didn't report it earlier, since it's not that important to me;
> howerver if I could solve...
>
>
>
>> Do you get an error message when it crashes?
>
> Yes:
>
>> ** (emacs:3752): WARNING **: Couldn't connect to accessibility bus:
>> Failed to connect to socket /tmp/dbus-idEV6pXtAp: No such file or
>> directory

This warning is normal (and harmless) when you login remotely.

>  > (... some seconds wait ...)
>  > Fatal error 12: Bad system call
>> Bad system call         (core dumped) emacs
>
> The second message is sometimes omitted, however.
>
>
>
>> Does it leave a stackdump file?
>
> Yes:
>> Stack trace:
>> Frame        Function    Args
>> 000000A85C0  0018006FA23 (000000A8740, 000DF0DF046, 00000000000,
>> 00000000000)
>> 0000000000C  00180070F9A (FFFFFFFFFFF0BDC0, 00000000000, 000000005DC,
>> 00000000000)
>> 000000A87A0  0018011A2E7 (00000000010, 001004E9820, 001009CF392,
>> 00100992832)
>> 000000000C1  0018011754E (000000A8C50, 00000000000, 00000000000,
>> 001004E9820)
>> 0000000000C  00180117A1B (00000000000, 00000000000, 00000000000,
>> 0000000000C)
>> 0000000000C  00180117BEC (65007000690070, 6700790063005C,
>> 2D006E00690077, 33006500350063)
>> 0000000000C  001801135DB (6700790063005C, 2D006E00690077,
>> 33006500350063, 00000000800)
>> 0000000000C  5C002E005C005C (2D006E00690077, 33006500350063,
>> 00000000800, 32003200640039)
>> 0000000000C  65007000690070 (33006500350063, 00000000800,
>> 32003200640039, 0000000000C)
>> 0000000000C  6700790063005C (00000000800, 32003200640039, 0000000000C,
>> 00600016000)
>> 0000000000C  2D006E00690077 (32003200640039, 0000000000C, 00600016000,
>> 001004E973E)
>> 0000000000C  33006500350063 (0000000000C, 00600016000, 001004E973E,
>> 000002B04A8)
>> 0000000000C  00000000800 (00600016000, 001004E973E, 000002B04A8,
>> 00000000000)
>> 0000000000C  32003200640039 (001004E973E, 000002B04A8, 00000000000,
>> 00000000000)
>> 0000000000C  0000000000C (000002B04A8, 00000000000, 00000000000,
>> 00000000000)
>> 0000000000C  00600016000 (00000000000, 00000000000, 00000000000,
>> 0018013BE50)
>> End of stack trace (more stack frames may be present)
>
>
>
>
>> Have you enabled X11 forwarding in /etc/sshd_config?
>
> Xterm works, so I guess I did.

It wouldn't hurt to double check; you should have a line that says 
"X11Forwarding yes" in /etc/sshd_config in the Cygwin installation.

> Also "emacs -nw" works.

This doesn't use X.

>
>
>> Please provide as many details as possible
>
> The box from which I ssh into this runs FreeBSD... I'm using a domain
> user... X runs fine locally...
> Sorry, I really don't know what else to add.
>
> I'm willing to play any test you need, but I don't always have this box
> avaliable, so it might take time.
>
>
>
>> and please attach cygcheck output as requested here:
>
> Please, find it attached.

It looks like you don't have the cygserver service running.  My 
recollection is that you might need this for X11 forwarding of emacs to 
work.

Ken

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