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charset="UTF-8" Content-Transfer-Encoding: quoted-printable I tried various things including upgrading the guest Linux to Debian 12, and trying master vs 29 branches. Still seeing crashes. Today I tried configure emacs 29 without "--with-native-compilation". It appears that core dump is no longer happening. Now when I copy on the host, I see the following message in Emacs: dbus-check-event: D-Bus error: "Not a valid D-Bus event", (dbus-event 10 14= ) Backtrace buffer shows the following: Debugger entered--Lisp error: (dbus-error "Not a valid D-Bus event" (dbus-event 10 14)) signal(dbus-error ("Not a valid D-Bus event" (dbus-event 10 14))) dbus-check-event((dbus-event 10 14)) dbus-event-bus-name((dbus-event 10 14)) dbus-notice-synchronous-call-errors((dbus-event 10 14) (dbus-error "Not a valid D-Bus event" (dbus-event 10 14))) run-hook-with-args(dbus-notice-synchronous-call-errors (dbus-event 10 14) (dbus-error "Not a valid D-Bus event" (dbus-event 10 14))) dbus-handle-event((dbus-event 10 14)) funcall-interactively(dbus-handle-event (dbus-event 10 14)) call-interactively(dbus-handle-event nil [(dbus-event 10 14)]) command-execute(dbus-handle-event nil [(dbus-event 10 14)] t) On Sun, May 5, 2024 at 10:34=E2=80=AFAM Michael Albinus wrote: > Eli Zaretskii writes: > > Hi Eli, > > >> I did (setq debug-on-error t), went to > https://en.wikipedia.org/wiki/Emacs, randomly selected a fragment > >> "Emacs has over", then did a ctrll+c. > >> > >> Emacs in VirtualBox immediately showed the following: > >> > >> Debugger entered--Lisp error: (wrong-type-argument number-or-marker-p > nil) > >> dbus-handle-event((dbus-event "[ \11]*$")) > >> funcall-interactively(dbus-handle-event (dbus-event "[ \11]*$")) > >> call-interactively(dbus-handle-event nil [(dbus-event "[ \11]*$")]) > >> command-execute(dbus-handle-event nil [(dbus-event "[ \11]*$")] t) > > > > Does VirtualBox have anything in its documentation that suggests that > > Ctrl-C on the Windows side will cause a D-Bus event on the VM side? > > > > Michael, any idea what is this D-Bus event, and what does it have to > > do with copying into the Windows clipboard? > > `dbus-handle-event' is the handler for D-Bus events (sic!). It is > invoked, when a D-Bus event arrives in the keyboard buffer, see > `special-event-map'. > > It isn't called explicitly anywhere in Emacs. So I assume that the > "D-Bus" event is pushed to the keyboard buffer by accident, when > communicating with the VirtualBox. > > > Thanks. > > Best regards, Michael. > --000000000000dc7773061863f4df Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
I tried various things including upgrading the guest Linux= to Debian 12, and trying master vs 29 branches. Still seeing crashes.
=
Today I tried configure emacs 29 without "--with-native= -compilation". It appears that core dump is no longer happening. Now w= hen I copy on the host, I see the following message in Emacs:
dbus-check-event: D-Bus error: "Not a valid D-Bus event&qu= ot;, (dbus-event 10 14)

Backtrace buffer shows= the following:

Debugger entered--Lisp error: (dbu= s-error "Not a valid D-Bus event" (dbus-event 10 14))
=C2=A0 s= ignal(dbus-error ("Not a valid D-Bus event" (dbus-event 10 14)))<= br>=C2=A0 dbus-check-event((dbus-event 10 14))
=C2=A0 dbus-event-bus-nam= e((dbus-event 10 14))
=C2=A0 dbus-notice-synchronous-call-errors((dbus-e= vent 10 14) (dbus-error "Not a valid D-Bus event" (dbus-event 10 = 14)))
=C2=A0 run-hook-with-args(dbus-notice-synchronous-call-errors (dbu= s-event 10 14) (dbus-error "Not a valid D-Bus event" (dbus-event = 10 14)))
=C2=A0 dbus-handle-event((dbus-event 10 14))
=C2=A0 funcall-= interactively(dbus-handle-event (dbus-event 10 14))
=C2=A0 call-interact= ively(dbus-handle-event nil [(dbus-event 10 14)])
=C2=A0 command-execute= (dbus-handle-event nil [(dbus-event 10 14)] t)

On Sun, May 5, 2024= at 10:34=E2=80=AFAM Michael Albinus <michael.albinus@gmx.de> wrote:
Eli Zaretskii <eliz@gnu.org> writes:

Hi Eli,

>> I did (setq debug-on-error t), went to https://en.wikipe= dia.org/wiki/Emacs, randomly selected a fragment
>> "Emacs has over", then did a ctrll+c.
>>
>> Emacs in VirtualBox immediately showed the following:
>>
>> Debugger entered--Lisp error: (wrong-type-argument number-or-marke= r-p nil)
>>=C2=A0 =C2=A0dbus-handle-event((dbus-event "[ \11]*$")) >>=C2=A0 =C2=A0funcall-interactively(dbus-handle-event (dbus-event &q= uot;[ \11]*$"))
>>=C2=A0 =C2=A0call-interactively(dbus-handle-event nil [(dbus-event = "[ \11]*$")])
>>=C2=A0 =C2=A0command-execute(dbus-handle-event nil [(dbus-event &qu= ot;[ \11]*$")] t)
>
> Does VirtualBox have anything in its documentation that suggests that<= br> > Ctrl-C on the Windows side will cause a D-Bus event on the VM side? >
> Michael, any idea what is this D-Bus event, and what does it have to > do with copying into the Windows clipboard?

`dbus-handle-event' is the handler for D-Bus events (sic!). It is
invoked, when a D-Bus event arrives in the keyboard buffer, see
`special-event-map'.

It isn't called explicitly anywhere in Emacs. So I assume that the
"D-Bus" event is pushed to the keyboard buffer by accident, when<= br> communicating with the VirtualBox.

> Thanks.

Best regards, Michael.
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