Bug#917034: xterm crashes on certain Unicode characters when font was selected with -fa
- To: Alexander Meyer <alex@magnetheart.com>, 917034@bugs.debian.org, Sven Joachim <svenjoac@gmx.de>
- Cc: Thomas Dickey <dickey@his.com>
- Subject: Bug#917034: xterm crashes on certain Unicode characters when font was selected with -fa
- From: Thomas Dickey <dickey@his.com>
- Date: Tue, 1 Jan 2019 12:28:38 -0500
- Message-id: <[🔎] 20190101172838.GA31031@prl-debian8-64.jexium-island.net>
- Reply-to: dickey@his.com, 917034@bugs.debian.org
- In-reply-to: <20181231193258.GA9032@prl-debian8-64.jexium-island.net>
- References: <20181221191644.GA8125@novabilly.local> <87ftuqhdr8.fsf@turtle.gmx.de> <20181221195436.GA10422@novabilly.local> <87k1jsjit8.fsf@turtle.gmx.de> <20181221191644.GA8125@novabilly.local> <20181230172644.GA12629@novabilly.local> <20181230235117.GA10867@prl-debian8-64.jexium-island.net> <20181221191644.GA8125@novabilly.local> <20181231171123.GB19917@novabilly.local> <20181231193258.GA9032@prl-debian8-64.jexium-island.net> <20181221191644.GA8125@novabilly.local>
On Mon, Dec 31, 2018 at 02:32:58PM -0500, Thomas Dickey wrote:
> On Mon, Dec 31, 2018 at 06:11:23PM +0100, Alexander Meyer wrote:
> > * Thomas Dickey <dickey@his.com> [2018-12-31 00:51]:
> >
> > > On Sun, Dec 30, 2018 at 06:26:44PM +0100, Alexander Meyer wrote:
> > > ...
> > >> This is the behaviour I get across xterm versions:
> > >> (everything with libfontconfig1 2.13.1-2)
> > >>
> > >> fonts.conf enabled:
> > >> 337: works
> > >> 338: segfault
> > >> 340: segfault
> > >> 341: segfault
> > >
> > > Can you make a backtrace for #341, please?
> >
> > Here it is:
>
> thanks. I added some notes, but have not been able to reproduce the problem.
Looking at this again, I saw (using XFT_DEBUG=3 and the -report-fonts option)
that the fallback was using unifont. Removing that got it to break (I'll
see whether the bug lies in Xft or fontconfig, at least).
--
Thomas E. Dickey <dickey@invisible-island.net>
https://invisible-island.net
ftp://ftp.invisible-island.net
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