Re: HEADSUP to Emacs users

[Ken Brown <kbrown at cornell dot edu>]

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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