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From: Dmitry Gutov <dgutov@yandex.ru>
To: 13149@debbugs.gnu.org
Subject: bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not
Date: Mon, 14 Jan 2013 09:10:50 +0400	[thread overview]
Message-ID: <50F3935A.2090003@yandex.ru> (raw)
In-Reply-To: <E93879E6EC764C9193D662136393A81A@us.oracle.com>

On 12.12.2012 2:54, Drew Adams wrote:
>>> Anyway, hoping this helps in some way...
>>
>> I've been seeing the same kind of prompts lately when editing files in
>> Emacs in Ubuntu inside a virtual machine.
>>
>> IIRC all those files were were mounted from the host machine
>> (MS Windows 7) using the vboxsf file system type.
>
> Good to know that someone else is seeing something similar.
>
> In my case, I'm using Windows XP and am not using vboxsf or anything else
> special - just an ordinary laptop.

So, I can now reproduce it 100% in the conditions I mentioned above. And 
it's mighty annoying.

0. Open a file.
1. Make some changes. Emacs complies.
2. Press C-x C-s, saved successfully.
3. Try to make a single modification. Emacs instantly prompts "... 
changed on disk; really edit the buffer?".

Answer yes -> goto 4, answer no -> goto 3.
Answer "revert", buffer reverts, goto -> 1.

4. Make modifications, try to save: "... has changed since visited or 
save.  Save anyway?" Answer yes -> goto 2.

If auto-revert-mode is enabled, and you wait the required interval of 
time after 2. without making modifications, the buffer is "reverted", 
also goto -> 1.

All this on the latest trunk. A build from the latest emacs-24 doesn't 
exhibit the problem. Same with not-exactly-latest builds from these 
branches I had a few hours ago, with the possible exception of 
auto-revert-mode, IIRC it was less reliably helpful. Not sure.

Any tips for debugging this?

I'm doing bzr bisect, but it will take a while.

--Dmitry





  reply	other threads:[~2013-01-14  5:10 UTC|newest]

Thread overview: 68+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-12-11 21:51 bug#13149: 24.3.50; Emacs thinks file was changed outside Emacs, but it was not Drew Adams
2012-12-11 22:48 ` Dmitry Gutov
2012-12-11 22:54   ` Drew Adams
2013-01-14  5:10     ` Dmitry Gutov [this message]
2013-01-14 14:57       ` Dmitry Gutov
2013-01-14 17:02         ` Eli Zaretskii
2013-01-14 22:22           ` Dmitry Gutov
2013-01-14 18:28         ` Paul Eggert
2013-01-14 22:20           ` Dmitry Gutov
2013-01-15  6:45             ` Paul Eggert
2013-01-15  8:54               ` Dmitry Gutov
2013-01-15 17:31                 ` Paul Eggert
2013-01-15 21:38                   ` Dmitry Gutov
2013-01-15 21:47                     ` Paul Eggert
2013-01-15 22:11                       ` Dmitry Gutov
2013-01-15 22:38                         ` Paul Eggert
2013-01-15 23:09                           ` Dmitry Gutov
2013-01-15 23:44                             ` Dmitry Gutov
2013-01-16  5:57                               ` Paul Eggert
2013-01-17 10:32                                 ` Dmitry Gutov
2013-01-17 17:05                                   ` Eli Zaretskii
2013-01-18  4:15                                     ` Dmitry Gutov
2013-01-18  7:49                                       ` Eli Zaretskii
2013-01-17 21:14                                   ` Paul Eggert
2013-01-18  4:55                                     ` Dmitry Gutov
2013-01-18  5:26                                       ` Paul Eggert
2013-01-17 21:33                                   ` Paul Eggert
2013-01-18  4:36                                     ` Dmitry Gutov
2013-01-18  5:01                                       ` Paul Eggert
2013-01-18  5:10                                         ` Dmitry Gutov
2013-01-18  5:25                                           ` Paul Eggert
2013-01-18  5:54                                             ` Dmitry Gutov
2013-01-18  6:22                                               ` Dmitry Gutov
2013-01-18  7:56                                             ` Eli Zaretskii
2013-01-18 14:45                                               ` Dmitry Gutov
2013-01-18 21:35                                               ` Paul Eggert
2013-01-18 22:52                                                 ` Dmitry Gutov
2013-01-19  0:55                                                   ` Paul Eggert
2013-01-19  1:09                                                     ` Dmitry Gutov
2013-01-19  2:37                                                       ` Paul Eggert
2013-01-19  4:02                                                         ` Dmitry Gutov
2013-01-19  4:51                                                           ` Paul Eggert
     [not found]                                                             ` <DEB91990BBBB4255BFB466956! EB54214@us.oracl!>
     [not found]                                                             ` <DEB91990BBBB4255BFB466956EB54214@us.oracl!>
     [not found]                                                               ` <e.com@[87.69.4.28]>
     [not found]                                                                 ` <83wq! urc1u3.fsf@gnu.org>
     [not found]                                                             ` <DEB91990BBBB4255BFB466956EB54214@us.oracl! e.com>
     [not found]                                                             ` <DEB91990BBBB4255BFB466956EB54214@us.oracl!e.com>
2013-01-19  5:02                                                             ` Drew Adams
2013-02-01 16:32                                                               ` Drew Adams
2013-02-01 16:43                                                                 ` Drew Adams
2013-02-01 16:49                                                                   ` Drew Adams
2013-02-01 18:43                                                                 ` Eli Zaretskii
2013-02-01 19:19                                                                   ` Drew Adams
2013-02-01 19:36                                                                     ` Eli Zaretskii
2013-02-01 22:15                                                                       ` Drew Adams
2013-02-02  9:41                                                                         ` Eli Zaretskii
2013-02-02 16:06                                                                           ` Drew Adams
2013-02-01 19:38                                                                     ` Eli Zaretskii
2013-02-01 22:13                                                                       ` Drew Adams
2013-02-01 21:05                                                                 ` Paul Eggert
2013-02-01 22:14                                                                   ` Drew Adams
2013-02-01 22:22                                                                     ` Paul Eggert
2013-02-02  9:43                                                                       ` Eli Zaretskii
2013-03-19  8:39                                                                         ` Uwe Siart
2013-03-19 16:55                                                                           ` Eli Zaretskii
2013-03-19 17:50                                                                             ` Uwe Siart
2014-02-06  1:40                                                                             ` Lars Ingebrigtsen
2014-02-06  6:12                                                                               ` Drew Adams
2014-02-06  6:19                                                                               ` Eli Zaretskii
2013-02-02  9:38                                                                   ` Eli Zaretskii
2013-02-02 19:31                                                                     ` Paul Eggert
2013-01-18  7:57                                       ` Eli Zaretskii
2013-01-17 17:16                                 ` David Engster

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