bug#34658: Emacs crashes

bug#34658: Emacs crashes

[Carlo Zancanaro]

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I updated my Guix installation and user profile yesterday, and 
since then Emacs has started crashing. I've attached the output of 
running "emacs -Q".

I'm using my own branch of Guix that is based on 
089a2c51ff4d4d8ddd180001b25535019c0d35c0, but I haven't modified 
Emacs. As a workaround I am now using emacs-no-x-toolkit, which 
does not have this problem.

The output claims that it's a GTK bug, but I have not experienced 
it before today.


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X protocol error: BadMatch (invalid parameter attributes) on protocol request 2
When compiled with GTK, Emacs cannot recover from X disconnects.
This is a GTK bug: https://bugzilla.gnome.org/show_bug.cgi?id=85715
For details, see etc/PROBLEMS.
Fatal error 6: Aborted
Backtrace:
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x50b032]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4f1f34]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x50b0c3]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4c1171]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4c4bc5]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4c4c4b]
/gnu/store/8baabfjazsr7s4y0jig1sn84xnxf75xa-libx11-1.6.6/lib/libX11.so.6(_XError+0xf5)[0x7f2bca6ff475]
/gnu/store/8baabfjazsr7s4y0jig1sn84xnxf75xa-libx11-1.6.6/lib/libX11.so.6(+0x434f7)[0x7f2bca6fc4f7]
/gnu/store/8baabfjazsr7s4y0jig1sn84xnxf75xa-libx11-1.6.6/lib/libX11.so.6(+0x435a5)[0x7f2bca6fc5a5]
/gnu/store/8baabfjazsr7s4y0jig1sn84xnxf75xa-libx11-1.6.6/lib/libX11.so.6(_XReply+0x208)[0x7f2bca6fd428]
/gnu/store/8baabfjazsr7s4y0jig1sn84xnxf75xa-libx11-1.6.6/lib/libX11.so.6(+0x90bad)[0x7f2bca749bad]
/gnu/store/8baabfjazsr7s4y0jig1sn84xnxf75xa-libx11-1.6.6/lib/libX11.so.6(XkbGetUpdatedMap+0x63)[0x7f2bca749c53]
/gnu/store/8baabfjazsr7s4y0jig1sn84xnxf75xa-libx11-1.6.6/lib/libX11.so.6(XkbGetMap+0x6d)[0x7f2bca749d0d]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4d1977]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x565d16]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x59ba68]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x565c83]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x59ba68]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x565c83]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x59ba68]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x565c83]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x59ba68]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x565c83]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x59ba68]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x564d20]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x56509f]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x568c80]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x5642ee]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4f48dc]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x56428c]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4f2278]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4f7206]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x4f754b]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x41c67e]
/gnu/store/h90vnqw0nwd0hhm1l5dgxsdrigddfmq4-glibc-2.28/lib/libc.so.6(__libc_start_main+0xee)[0x7f2bc963ab3e]
/gnu/store/9b5ii2pbk4wbjbm6l2jl2i8spnsiznk3-emacs-26.1/bin/emacs-26.1[0x41d2ba]
aborted (core dumped)

bug#34658: Emacs crashes

[Leo Famulari]

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On Tue, Feb 26, 2019 at 11:49:07AM +1100, Carlo Zancanaro wrote:
> I updated my Guix installation and user profile yesterday, and since then
> Emacs has started crashing. I've attached the output of running "emacs -Q".
> 
> I'm using my own branch of Guix that is based on
> 089a2c51ff4d4d8ddd180001b25535019c0d35c0, but I haven't modified Emacs. As a
> workaround I am now using emacs-no-x-toolkit, which does not have this
> problem.

It will aid debugging if you can tell us which commit you upgraded from,
as well.

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bug#34658: Emacs crashes

[Carlo Zancanaro]

On Tue, Feb 26 2019, Leo Famulari wrote:
> It will aid debugging if you can tell us which commit you 
> upgraded from, as well.

Good call.

I think the last Guix commit that I was branched from (where Emacs 
worked properly) was e36d043882462f2252aa8e6fe7c34bfbee6d3175.

bug#34658:

[Bradley Haggerty]

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This sounds similar to my issue, #34454
Do you also experience crashes with icecat and pavucontrol? I have been
just holding back emacs and icecat when I do my upgrades for a few weeks
now. All the crashes look similar and mention GTK. I was asked to make a vm
of my system to try and reproduce the crash but I have not gotten around to
figuring that out quite yet.

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