Bugs item #1458006, was opened at 2006-03-24 12:59
Message generated for change (Comment added) made by nobody
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Category: Program
Group: release
Status: Closed
Resolution: Fixed
Priority: 5
Private: No
Submitted By: schloob (schloob)
Assigned to: Eddy De Greef (edg)
Summary: strange scrolling bug?
Initial Comment:
here's my version information:
Built on: Linux, Athlon, GNU C
Built at: Mar 23 2006, 18:33:02
With Motif: 2.2.3 [@(#)Motif Version 2.2.3]
Running Motif: 2.2 [unknown]
Server: Gentoo (The X.Org Foundation 6.8.2,
revision r6-0.1.13) 60802000
Visual: 32-bit TrueColor (ID 0x130)
Locale: C
so here's what happens: whenever i scroll up using the
mouse wheel or scrollbar (the page-up key works fine
usually), the screen bugs out and all i see is like 4
lines of text repeated over and over. if i use the
scrollbar, it's usually only one line of text repeated
on the screen. scrolling down works fine!
i've included four screenshots of what i mean.
normal.png : before i've scrolled
after_scrollup.png : after scrolling up with the mouse
wheel once
after_selectall.png : after i hit ctrl-a to select all
the text, seems to fix the problem - probably because
it forces a complete screen redraw?
uparrow.png : this was after i press the up arrow when
the cursor is at the top of the screen (therefore
making it scroll up). ctrl-a fixes this too.
this could possibly be a motif bug, because the same
thing happens in the help window that shows version
information. i haven't seen this behavior in any other
motif applications though, i'm trying a few out but i'm
not seeing anything. it might be the text widget that
nedit uses. i've tried both the statically linked
pre-compiled binaries and fresh compiled ones.
thanks
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Comment By: Nobody/Anonymous (nobody)
Date: 2007-11-27 11:49
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Platform note: on RedHat FC8/AMD64, the problem exists as described, when
using the NEdit.org supplied binary (32 bit version, OpenMotif). Setting
XLIB_SKIP_ARGB_VISUALS to 1 seems to solve the problem. (The default RPM
version of NEdit, compiled with Lesstif, does not have the scrolling
problem, but Lesstif is horribly buggy, and NEdit frequently locks up hard
when accessing the clipboard or the Find dialog.)
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Comment By: SourceForge Robot (sf-robot)
Date: 2007-08-03 19:20
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This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).
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Comment By: Eddy De Greef (edg)
Date: 2007-07-20 09:13
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I've reinstated the old 32-bit visual check that tries to avoid ARGB
visuals. That check should cover most cases where NEdit is displaying
remotely and XLIB_SKIP_ARGB_VISUALS has no effect.
Can anyone confirm that it works with the latest CVS version?
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Comment By: Stefan Sassenberg (s_sassenberg)
Date: 2007-07-13 03:21
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I'd like to have this bug reopened. Can I help to find the cause for it?
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Comment By: Eddy De Greef (edg)
Date: 2007-05-07 15:08
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What is the remote system?
Please show us the output of "nedit -V".
I can imagine that setting the XLIB_SKIP_ARGB_VISUALS variable has no
effect if the remote system does not have the X.org libraries (eg. Solaris)
but the local system runs an X.org server (eg. Linux).
Other distros may not have this problem because they don't enable the X
composite extension by default. You can try to disable it too (Option
"Composite" in xorg.conf), but then you may lose some eye-candy in other
applications.
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Comment By: Nobody/Anonymous (nobody)
Date: 2007-05-07 10:30
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Before nedit (perhaps 5.5) up scrolling was a problem solved invoking
XLIB_SKIP_ARGB_VISUALS=1 nedit
Now it is not necessary in locale execution of nedit, but the problem
still remains with remote nedit.
I encounter these problem in Ubuntu linux 6.10 and 7.04 (both i386 and
x86_64). In other linux distributions nedit works without problems. I don't
know why but only Ubuntu is affected.
> it seems to be some kind of X-related problem, possibly between Motif
and X.
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Comment By: Thorsten Haude (yooden)
Date: 2007-03-18 03:34
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(Seems to be at least partly independent of XLIB_SKIP_ARGB_VISUALS.)
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Comment By: Scott Tringali (tringali)
Date: 2007-03-12 12:51
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Hi nobody (rkinze). If you would help us with some reproducer
information, we would have a chance at trying to reproduce it. As such, we
have no idea what environment you are running with. You may be running
into a separate problem.
In particular, we would need to know the version info from the remote Sun
boxes, and an OS release would really help.
We really can't fix it until we reproduce your problem unless we start
debugging by email.
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Comment By: Nobody/Anonymous (nobody)
Date: 2007-03-12 11:50
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XLIB_SKIP_ARGB_VISUALS=1 has no effect on this issue (it does fix the
crash at startup, though). I tried 5.4 and 5.5 on the remote Sun boxen,
just for the heck of it, but they behave the same. I have no problems when
I use Dapper Drake, locally. One thing to add is that I am also using the
AMD64 port of Edgy.
It's REALLY annoying and I am starting to look for alternative editors.
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Comment By: Nick Sutterer (fraq)
Date: 2007-01-18 06:39
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i also encountered this bug on edgy (amd64), but after compiling from
current cvs sources the bug seems to be gone. :-)
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Comment By: SourceForge Robot (sf-robot)
Date: 2006-12-13 19:20
Message:
Logged In: YES
user_id=1312539
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This Tracker item was closed automatically by the system. It was
previously set to a Pending status, and the original submitter
did not respond within 14 days (the time period specified by
the administrator of this Tracker).
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Comment By: Eddy De Greef (edg)
Date: 2006-11-29 10:01
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This is probably caused by the ARGB visuals in the newer X.Org versions
(which Motif cannot handle).
Please try the following:
XLIB_SKIP_ARGB_VISUALS=1 nedit
and tell us whether the problem persists.
The next version of NEdit will set this variable automatically, BTW.
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Comment By: Russ W. Knize (rknize)
Date: 2006-11-29 09:53
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I am also seeing this exact issue now that I have upgraded my local
machine to Ubuntu Edgy Eft. I used NEdit remotely on various SunOS and
Linux servers. They are all using NEdit 5.5. I use a variety of old and
new tools this way, but only NEdit has this problem.
Since the issue started after upgrading my local machine, it seems to be
some kind of X-related problem, possibly between Motif and X.
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