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bug#10664: 24.0.93; JIT font-lock infloops in a C file
From: |
Stefan Monnier |
Subject: |
bug#10664: 24.0.93; JIT font-lock infloops in a C file |
Date: |
Mon, 06 Feb 2012 09:39:26 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.0.92 (gnu/linux) |
>> > I don't have a recipe starting from "emacs -Q", sorry.
>> > I left my freshly built Emacs 24.0.93 running, and when I returned to
>> > it a few hours later, I found it unresponsive, endlessly showing in
>> > the echo area "JIT lock socket.c", interspersed with GC messages
>> > (I have garbage-collection-messages set non-nil).
>> > Breaking into Emacs with a debugger produced the backtrace below (it's
>> > an optimized build, so the backtrace may be inaccurate, sorry). I
>> > attach the file socket.c (part of the Guile sources) as well.
> I got something similar for this socket.c. I load it into emacs -Q, then
> start scrolling downwards, a page at a time. The first five scrolls are
> fine. Then it hangs on the sixth.
While not easy, it should be theoretically possible to reproduce the
problem with (setq font-lock-support-mode nil) which would make it much
easier to debug. If the problem doesn't appear right when enabling
font-lock, then it needs to be triggered by cutting and re-inserting
a chunk of text (and you need to find a chunk that triggers the problem).
Stefan
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Eli Zaretskii, 2012/02/05
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Alan Mackenzie, 2012/02/06
- bug#10664: 24.0.93; JIT font-lock infloops in a C file,
Stefan Monnier <=
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Eli Zaretskii, 2012/02/06
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Eli Zaretskii, 2012/02/07
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Alan Mackenzie, 2012/02/07
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Eli Zaretskii, 2012/02/07
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Alan Mackenzie, 2012/02/07
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Stefan Monnier, 2012/02/07
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Alan Mackenzie, 2012/02/08
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Eli Zaretskii, 2012/02/08
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Stefan Monnier, 2012/02/08
- bug#10664: 24.0.93; JIT font-lock infloops in a C file, Alan Mackenzie, 2012/02/10