GNU bug report logs - #11721
24.1; Rendering bug in 24.x on OS X

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Erik Allik <eallik <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 24.1; Rendering bug in 24.x on OS X
Date: Fri, 15 Jun 2012 22:40:21 +0300

This bug report will be sent to the Bug-GNU-Emacs mailing list
and the GNU bug tracker at debbugs.gnu.org.  Please check that
the From: line contains a valid email address.  After a delay of up
to one day, you should receive an acknowledgement at that address.

Please write in English if possible, as the Emacs maintainers
usually do not have translators for other languages.

Please describe exactly what actions triggered the bug, and
the precise symptoms of the bug.  If you can, give a recipe
starting from `emacs -Q':

starting from 24.0.96, I'm experiencing serious rendering issues when
scrolling text. When the text moves downwards, it "grabs" pixels of the
window title bar, so a part of the text in the buffer becomes
unreadable, until it is selected again, which re-renders it.


If Emacs crashed, and you have the Emacs process in the gdb debugger,
please include the output from the following gdb commands:
    `bt full' and `xbacktrace'.
For information about debugging Emacs, please read the file
/Applications/Emacs.app/Contents/Resources/etc/DEBUG.


In GNU Emacs 24.1.1 (x86_64-apple-darwin, NS apple-appkit-1038.36)
 of 2012-06-10 on bob.porkrind.org
Windowing system distributor `Apple', version 10.3.1038
Configured using:
 `configure '--host=x86_64-apple-darwin' '--build=i686-apple-darwin'
 '--with-ns' 'build_alias=i686-apple-darwin'
 'host_alias=x86_64-apple-darwin' 'CC=gcc -mmacosx-version-min=10.5''

Important settings:
  value of $LC_ALL: en_US.UTF-8
  value of $LC_COLLATE: nil
  value of $LC_CTYPE: nil
  value of $LC_MESSAGES: nil
  value of $LC_MONETARY: nil
  value of $LC_NUMERIC: nil
  value of $LC_TIME: nil
  value of $LANG: en_US.UTF-8
  value of $XMODIFIERS: nil
  locale-coding-system: nil
  default enable-multibyte-characters: t

Major mode: Compilation

Minor modes in effect:
  shell-dirtrack-mode: t
  desktop-save-mode: t
  global-linum-mode: t
  linum-mode: t
  show-paren-mode: t
  cua-mode: t
  mouse-wheel-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t
  column-number-mode: t
  line-number-mode: t
  transient-mark-mode: t
  abbrev-mode: t

Recent input:
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C-c s-o C-c C-c C-g s-o <down> <down> <down> <down>
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<down> <up> <up> <up> <up> <up> <up> <up> <up> M-h
s-c <s-up> <down> <down> <left> s-k y M-x <return>
<up> <up> <return> s-v C-c C-c y m a i l SPC c l i
e n t <return> M-x <return> <up> <up> <up> <return>
s-v s-s C-c C-c y M-x <up> <up> <return>

Recent messages:
Checking 65 files in /Applications/Emacs.app/Contents/Resources/lisp/obsolete...
Checking 1 files in /Applications/Emacs.app/Contents/Resources/leim...
Checking for load-path shadows...done
Mark set
Saving file /Users/erik.allik/*message*-20120615-223902...
Wrote /Users/erik.allik/*message*-20120615-223902
Send this bug report to the Emacs maintainers? (y or n)  y
Sending...
Sending via mail...
Sending...done

Load-path shadows:
/Users/erik.allik/.emacs.d/elpa/flymake-0.4.10/flymake hides
/Applications/Emacs.app/Contents/Resources/lisp/progmodes/flymake

Features:
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emacs)

Message #8 received at 11721 <at> debbugs.gnu.org (full text, mbox):

From: Tim Blackman <Tim <at> BlackmanTravis.org>
To: 11721 <at> debbugs.gnu.org
Subject: bug#11721: 24.1; Rendering bug in 24.x on OS X
Date: Sun, 1 Jul 2012 21:26:05 -0400

I've seen this same behavior (duplicated pixels from menu bar) with an older iMac, but not a more recent MacBook Pro.

The iMac that shows the problem is:

  20" Mid 2007
  ATI Radeon HD 2600 Pro 256 MB

The MacBook Pro that works without issue is:

  15" Late 2011
  AMD Radeon HD 6750M or 6770M and Intel HD Graphics 3000

I was wondering if the graphics card might be part of the problem, but that is just a guess.

Both machines were running Mac OS X 10.7.4.

- Tim

Message #11 received at 11721 <at> debbugs.gnu.org (full text, mbox):

From: Jan Djärv <jan.h.d <at> swipnet.se>
To: Erik Allik <eallik <at> gmail.com>
Cc: 11721 <at> debbugs.gnu.org
Subject: Re: bug#11721: 24.1; Rendering bug in 24.x on OS X
Date: Mon, 10 Sep 2012 17:00:14 +0200

Hello.

> starting from 24.0.96, I'm experiencing serious rendering issues when
> scrolling text. When the text moves downwards, it "grabs" pixels of the
> window title bar, so a part of the text in the buffer becomes
> unreadable, until it is selected again, which re-renders it.
> 
> 

A fix for bug 12088 might solve this also.  Do you still see this behaviour in an up-to-date trunk?

	Jan D.

Message #14 received at 11721 <at> debbugs.gnu.org (full text, mbox):

From: Erik Allik <eallik <at> gmail.com>
To: Jan Djärv <jan.h.d <at> swipnet.se>
Cc: 11721 <at> debbugs.gnu.org
Subject: Re: bug#11721: 24.1; Rendering bug in 24.x on OS X
Date: Mon, 10 Sep 2012 18:14:43 +0300

I have just installed 24.2 for a starter; if it still has the bug, I'll try the latest trunk. Last time I only tried up to 24.1 IIRC. The problem is also that the bug doesn't seem to appear on the first run, so I might possibly have to wait a couple of days to report back to you.

Erik


On 2012.09.10, at 18:00, Jan Djärv wrote:

> Hello.
> 
>> starting from 24.0.96, I'm experiencing serious rendering issues when
>> scrolling text. When the text moves downwards, it "grabs" pixels of the
>> window title bar, so a part of the text in the buffer becomes
>> unreadable, until it is selected again, which re-renders it.
>> 
>> 
> 
> A fix for bug 12088 might solve this also.  Do you still see this behaviour in an up-to-date trunk?
> 
> 	Jan D.
> 

Message #17 received at 11721 <at> debbugs.gnu.org (full text, mbox):

From: Jan Djärv <jan.h.d <at> swipnet.se>
To: Erik Allik <eallik <at> gmail.com>
Cc: 11721 <at> debbugs.gnu.org
Subject: Re: bug#11721: 24.1; Rendering bug in 24.x on OS X
Date: Mon, 10 Sep 2012 18:59:51 +0200

Hello.

10 sep 2012 kl. 17:14 skrev Erik Allik <eallik <at> gmail.com>:

> I have just installed 24.2 for a starter; if it still has the bug, I'll try the latest trunk. Last time I only tried up to 24.1 IIRC. The problem is also that the bug doesn't seem to appear on the first run, so I might possibly have to wait a couple of days to report back to you.
> 

No hurry, thanks for testing,

	Jan D.

> Erik
> 
> 
> On 2012.09.10, at 18:00, Jan Djärv wrote:
> 
>> Hello.
>> 
>>> starting from 24.0.96, I'm experiencing serious rendering issues when
>>> scrolling text. When the text moves downwards, it "grabs" pixels of the
>>> window title bar, so a part of the text in the buffer becomes
>>> unreadable, until it is selected again, which re-renders it.
>>> 
>>> 
>> 
>> A fix for bug 12088 might solve this also.  Do you still see this behaviour in an up-to-date trunk?
>> 
>> 	Jan D.
>> 

Message #20 received at 11721 <at> debbugs.gnu.org (full text, mbox):

From: Erik Allik <eallik <at> gmail.com>
To: Jan Djärv <jan.h.d <at> swipnet.se>
Cc: 11721 <at> debbugs.gnu.org
Subject: Re: bug#11721: 24.1; Rendering bug in 24.x on OS X
Date: Thu, 13 Sep 2012 09:11:11 +0300

My 24.2 has been running without this bug since Sept 10 now. So I assume it can be considered as resolved :)

Erik


On 2012.09.10, at 19:59, Jan Djärv wrote:

> Hello.
> 
> 10 sep 2012 kl. 17:14 skrev Erik Allik <eallik <at> gmail.com>:
> 
>> I have just installed 24.2 for a starter; if it still has the bug, I'll try the latest trunk. Last time I only tried up to 24.1 IIRC. The problem is also that the bug doesn't seem to appear on the first run, so I might possibly have to wait a couple of days to report back to you.
>> 
> 
> No hurry, thanks for testing,
> 
> 	Jan D.
> 
>> Erik
>> 
>> 
>> On 2012.09.10, at 18:00, Jan Djärv wrote:
>> 
>>> Hello.
>>> 
>>>> starting from 24.0.96, I'm experiencing serious rendering issues when
>>>> scrolling text. When the text moves downwards, it "grabs" pixels of the
>>>> window title bar, so a part of the text in the buffer becomes
>>>> unreadable, until it is selected again, which re-renders it.
>>>> 
>>>> 
>>> 
>>> A fix for bug 12088 might solve this also.  Do you still see this behaviour in an up-to-date trunk?
>>> 
>>> 	Jan D.
>>> 
> 

Message #25 received at 11721-done <at> debbugs.gnu.org (full text, mbox):

From: Jan Djärv <jan.h.d <at> swipnet.se>
To: Erik Allik <eallik <at> gmail.com>
Cc: 11721-done <at> debbugs.gnu.org
Subject: Re: bug#11721: 24.1; Rendering bug in 24.x on OS X
Date: Thu, 13 Sep 2012 13:16:01 +0200

Hello.

13 sep 2012 kl. 08:11 skrev Erik Allik <eallik <at> gmail.com>:

> My 24.2 has been running without this bug since Sept 10 now. So I assume it can be considered as resolved :)
> 


Okay, closing this bug.

Thanks!

	Jan D.

> Erik
> 
> 
> On 2012.09.10, at 19:59, Jan Djärv wrote:
> 
>> Hello.
>> 
>> 10 sep 2012 kl. 17:14 skrev Erik Allik <eallik <at> gmail.com>:
>> 
>>> I have just installed 24.2 for a starter; if it still has the bug, I'll try the latest trunk. Last time I only tried up to 24.1 IIRC. The problem is also that the bug doesn't seem to appear on the first run, so I might possibly have to wait a couple of days to report back to you.
>>> 
>> 
>> No hurry, thanks for testing,
>> 
>> 	Jan D.
>> 
>>> Erik
>>> 
>>> 
>>> On 2012.09.10, at 18:00, Jan Djärv wrote:
>>> 
>>>> Hello.
>>>> 
>>>>> starting from 24.0.96, I'm experiencing serious rendering issues when
>>>>> scrolling text. When the text moves downwards, it "grabs" pixels of the
>>>>> window title bar, so a part of the text in the buffer becomes
>>>>> unreadable, until it is selected again, which re-renders it.
>>>>> 
>>>>> 
>>>> 
>>>> A fix for bug 12088 might solve this also.  Do you still see this behaviour in an up-to-date trunk?
>>>> 
>>>> 	Jan D.
>>>> 
>> 

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