bug#21530: 25.0.50; tty menus disappearing

[Mark Oteiza]

Eli Zaretskii <eliz@gnu.org> writes:

>> From: Mark Oteiza <mvoteiza@udel.edu>
>> Date: Thu, 24 Sep 2015 12:24:46 -0400
>> 
>> I think I gave an incomplete recipe, because I can't reproduce from it
>> either. I forgot to mention enabling also display-battery-mode, but that
>> of course requires having a battery or fooling the mode into thinking
>> you do.
>
> No, you don't have to have a battery to invoke display-battery-mode.
>
> Thanks, with this I can reproduce the problem here.  It looks like the
> problem is that display-battery-mode forces redisplay by calling
> sit-for (display-time-mode wisely doesn't).

Okay, good. I see that now. I was having trouble for a while figuring
out how to get the backtrace

Lisp Backtrace:
"redisplay_internal (C function)" (0x0)
"redisplay" (0xffffa0d8)
"sit-for" (0xffffa600)
"battery-update-handler" (0xffffac78)
"apply" (0xffffac70)
"timer-event-handler" (0xffffb1b8)
"x-popup-menu" (0xffffc6c0)
"popup-menu" (0xffffcc00)
"menu-bar-open" (0xffffd430)
"funcall-interactively" (0xffffd428)
"call-interactively" (0xffffd580)
"command-execute" (0xffffdac8)