GNU bug report logs - #44818
Say "Consider switching so-long mode on" when detecting long line files

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Package: emacs;

Reported by: Devon Sean McCullough <Devon2020 <at> jovi.net>

Date: Mon, 23 Nov 2020 12:40:02 UTC

Severity: minor

Merged with 44809

Found in version 27.0.91

Fixed in version 29.1

Done: Lars Ingebrigtsen <larsi <at> gnus.org>

Bug is archived. No further changes may be made.

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From: Devon Sean McCullough <Emacs-hacker2018 <at> jovi.net>
To: Eli Zaretskii <eliz <at> gnu.org>
Cc: 44818 <at> debbugs.gnu.org
Subject: bug#44818: 27.0.91; wedged
Date: Tue, 24 Nov 2020 13:42:03 -0500

On 23/11/2020 10:51, Eli Zaretskii wrote:
> Try this:
> 
>    C-g M-<
> 

After 48 hours of 100% CPU, Emacs finally returns from read_char.
Rather than wait 48 more hours for the next read_char, I disabled
breakpoints, tried

	(lldb) print (long)Fgoto_char((long)Fpoint_min())
	(long) $12 = 6
	(lldb) continue

and was able to kill the buffer manually.  Thanks, Eli!

		Peace
			--Devon

P.S.  Could a watchdog timer safely abort such wedgitude?
Reading a file is not the only way to lose here.
This bug report was last modified 2 years and 302 days ago.

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