*** This bug is a duplicate of bug 136632 ***
https://bugs.launchpad.net/bugs/136632
** This bug has been marked a duplicate of bug 136632
lyx 1.5 extremely slow on Gutsy
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lyx 1.5 scrolling unacceptably slow
https://bugs.launchpad.net/bugs/129813
You received this bug notification bec
It seems that this is a well-known Xrender performance problem with a
lot of NVidia cards. See, for example:
http://www.nvnews.net/vbulletin/showthread.php?s=e7b3197c7aba6e25affbecdf8437d470&t=87865&page=14
Based on this, I tried installing and switching to Xgl, which made
scrolling and rendering
I recently ran into similar issues with other qt4 applications, such as
the Qt4 help assistant, and the Qt4 designer.
For testing purposes, I tried switching back to the vesa Xorg driver,
and now scrolling has become smooth as butter in the aforementioned
applications on a GeForce 8600M GT. So, th
** Changed in: lyx (Ubuntu)
Status: New => Confirmed
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lyx 1.5 scrolling unacceptably slow
https://bugs.launchpad.net/bugs/129813
You received this bug notification because you are a member of Ubuntu
Bugs, which is the bug contact for Ubuntu.
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ubuntu-bugs mailing list
ubuntu-bugs@list
Well, now I've been testing lyx from the repository on Gutsy AMD64 with
Nvidia 6600 and nvidia-glx-new as well as nvidia-glx. I can confirm this
annoying behaviour. Scrolling is unacceptable slow. So it seems to be an
nvidia related issue because on my Thinkpad with ati x1400 and fglrx
8.37 lyx wor
If I select some text in Lyx, hit Ctrl-C, and then mash the keyboard, it
does become a tad faster - scrolling through the tutorial with PgDown
takes 17 seconds instead of 22 in the latest Gutsy-installed version.
However, Lyx 1.4 still runs circles around it, taking just 7.5 seconds.
In the second
I have found the following upstream bugs, that seem related. In the
reports some fix is suggested (e.g. _enabling_ math preview, or cutting
and pasting text if the problem is in second window opened), does some
of these workarounds solve your problem? In a comment in the second
report there is also
I'm also seeing this problem on 7.10, with all recent updates. I'm
using a 32 bit machine, but with a Nvidia geforce 5500 fx. Xorg uses
over 90% in top when scrolling (I don't know if this fact is
significant, but it is usually around 50% for other apps). The scrolling
problem occurs on the 1.5.0
I use x86-64, so I cannot test your version. I checked src/config/.h,
and the ENABLE_ASSERTIONS macro is undef'ed. So it seems that these are
not to blame. I will run a full compile, just in case, sometime later
when I have the time.
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lyx 1.5 scrolling unacceptably slow
https://bugs.launchpad.n
if you have i386 you can try to manually install the two packages listed
here:
http://www.di.unipi.it/~ciancia/content/deb/
these are compiled without assertions, and run evidently faster on my
machine.
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lyx 1.5 scrolling unacceptably slow
https://bugs.launchpad.net/bugs/129813
You received t
Christian: the version you self-compiled should have by default
assertions turned off. Can you check that in ./configure, so we are sure
assertions do not have anything to do with that?
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lyx 1.5 scrolling unacceptably slow
https://bugs.launchpad.net/bugs/129813
You received this bug notificatio
I've tested for this issue on my productive machine on Feisty (32bit)
with the latest Nvidia driver and Compiz Fusion enabled as well as
disabled. Lyx was a binary package version 1.5.1 directly downloaded
from www.lyx.org.
Scrolling is also fast here. I hope this helps to narrow the problem
down.
Update: The same thing happens with self-compiled lyx 1.5.1. With the
same text area size, scrolling through the tutorial takes 8 seconds on
Lyx 1.4.5.1, and 27 seconds on Lyx 1.5.1.
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lyx 1.5 scrolling unacceptably slow
https://bugs.launchpad.net/bugs/129813
You received this bug notification b
This is odd. Please test on your Nvidia card and report back when you
get a chance.
I currently use a self-compiled version of LyX 1.4, and scrolling is
fast there. I will try to compile LyX 1.5 myself and see what happens.
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lyx 1.5 scrolling unacceptably slow
https://bugs.launchpad.net/bugs/1
Cannot confirm to. On Gutsy x86-64, Mobility Radeon X1400, fglrx
(8.39.4) with Lyx 1.5 scrolling down in several documents went smooth.
Will test it with my GeForce 6800 GT later, also on 64bit.
But, developers please update Lyx to 1.5.1 due to several critical bugs
in 1.5 (data lost and further m
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