From mboxrd@z Thu Jan 1 00:00:00 1970 Path: news.gmane.io!.POSTED.blaine.gmane.org!not-for-mail From: "A.I." via "Bug reports for GNU Emacs, the Swiss army knife of text editors" Newsgroups: gmane.emacs.bugs Subject: bug#54051: 29.0.50; latest master build with lucid crashes Date: Fri, 18 Feb 2022 20:42:12 +0800 Message-ID: <87mtioibv6.fsf@luois.me> References: <87wnhsc0nv.fsf@lagann.mail-host-address-is-not-set> <834k4w1tkr.fsf@gnu.org> Reply-To: "A.I." 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Eli Zaretskii writes: >> Date: Fri, 18 Feb 2022 11:29:40 +0800 >> From: merrick--- via "Bug reports for GNU Emacs, >> the Swiss army knife of text editors" >> >> >> I can reliably reproduce this issue on my desktop running i3 on X11. >> >> 1. run emacs with "emacs -Q" >> 2. M-x server-start >> 3. opens a terminal emulator and make it full screen (which covers the >> emacs frame) >> 4. run "emacsclient -c" >> 5. emacs crashes >> >> Unfortunately I can't get backtrace from `./src/emacs -q -xrm >> 'Emacs.synchronous: true' since it hangs forever after doing the above >> steps. > > The file etc/DEBUG in the Emacs source tree has some advice how to get > control to debugger in the "Getting control to the debugger" section. > It also has advice for how to investigate hangs in the "If the symptom > of the bug is that Emacs fails to respond" section. Please try some > of that and see what information you can collect. > > We need a backtrace from a 'Emacs.synchronous: true' session because > without that parameter X errors are not reported immediately when a > faulty X request is sent, but can be delayed by any number of Xlib > calls. So the backtrace you produce without 'Emacs.synchronous true' > is not useful, since it doesn't show us what was the offending Xlib > call made by Emacs; instead, it shows some unrelated call. > > Bottom line: the crucial information we need to investigate this bug > is which Xlib call in Emacs causes the crash in your case. > > Thanks. -- Thanks. Merrick Luo