GNU bug report logs - #30320
26.0.91; Crash when using lsp-ui-doc-mode

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Message #107 received at 30320 <at> debbugs.gnu.org (full text, mbox):

From: martin rudalics <rudalics <at> gmx.at>
To: Jake Goulding <jake.goulding <at> gmail.com>, Eli Zaretskii <eliz <at> gnu.org>
Cc: 30320 <at> debbugs.gnu.org
Subject: Re: bug#30320: 26.0.91; Crash when using lsp-ui-doc-mode
Date: Mon, 12 Feb 2018 10:24:34 +0100

> The new patch appears to continue to have a crash:
>
> frame #9: 0x0000000100173610
> Emacs`cmcheckmagic(tty=0x0000000107001000) at cm.c:118
>     115   if (curX (tty) == FrameCols (tty))
>     116     {
>     117       if (!MagicWrap (tty) || curY (tty) >= FrameRows (tty) - 1)
> -> 118 emacs_abort ();
>     119       if (tty->termscript)
>     120 putc_unlocked ('\r', tty->termscript);
>     121       putc_unlocked ('\r', tty->output);
> (lldb) p (tty)->Wcm->cm_magicwrap
> (bool_bf) $0 = true
> (lldb) p (tty)->Wcm->cm_curY
> (int) $1 = 2
> (lldb) p (tty)->Wcm->cm_rows
> (int) $3 = 3
>
> I am at commit 66e9527b9a8c66bc3c5a4e5c3e68777d93310be1
>   on the `emacs-26` branch. My full sequence of commands:
>
> git checkout -p # removing patch v1
> mv ~/Downloads/frame.c.diff ./patch2.diff
> git apply --ignore-whitespace patch2.diff
> make -j7
> ./nextstep/Emacs.app/Contents/MacOS/Emacs -Q -nw
>
> Perhaps `make` by itself doesn't do the proper rebuild?

Thanks for testing.

Somehow that code seems perfidious enough to override the value of
`window-min-height'.  Can you please try the following with Eli's
patch applied so crashes don't interfere: Locate the identity of the
small frame, for example, by looking at the value returned by
(frame-list).  Then evaluate the form

(window-min-size (frame-root-window FRAME))

substituting FRAME with the frame you obtained above which could
result in something like

(window-min-size (frame-root-window (car (frame-list))))

or

(window-min-size (frame-root-window (cadr (frame-list))))

and tell us the result.

Thanks, martin

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