Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

  This is worth posting to the wiki, if you're so inclined.

Well, I can do this. Which wiki section should I post to?

 Intel drivers for the older chips are currently broken and in most cases
 unusable. 
 So all in all I doubt this is somehow relevant for LyX it's more of a general
 issue.

Yes, it is a general driver-issue, but the one and only application on my PC 
that is so severly affected (it was in fact almost unusable) is Lyx. 

As far as I know, Opera and Mathematica also use Qt somehow (and Lyx is build 
upon Qt, isn't it?), but I didn't experience any problems with them. 
So I guess that the problem has something to do with the way Lyx uses Qt 
rendering engine.

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

  This is worth posting to the wiki, if you're so inclined.

Well, I can do this. Which wiki section should I post to?

 Intel drivers for the older chips are currently broken and in most cases
 unusable. 
 So all in all I doubt this is somehow relevant for LyX it's more of a general
 issue.

Yes, it is a general driver-issue, but the one and only application on my PC 
that is so severly affected (it was in fact almost unusable) is Lyx. 

As far as I know, Opera and Mathematica also use Qt somehow (and Lyx is build 
upon Qt, isn't it?), but I didn't experience any problems with them. 
So I guess that the problem has something to do with the way Lyx uses Qt 
rendering engine.

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

> > This is worth posting to the wiki, if you're so inclined.

Well, I can do this. Which wiki section should I post to?

> Intel drivers for the older chips are currently broken and in most cases
> unusable. 
> So all in all I doubt this is somehow relevant for LyX it's more of a general
> issue.

Yes, it is a general driver-issue, but the one and only application on my PC 
that is so severly affected (it was in fact almost unusable) is Lyx. 

As far as I know, Opera and Mathematica also use Qt somehow (and Lyx is build 
upon Qt, isn't it?), but I didn't experience any problems with them. 
So I guess that the problem has something to do with the way Lyx uses Qt 
rendering engine.

lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

Hi!

I would like to share my experience with solving very frustrating problem with 
typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or 
even lead to a fix in a next lyx version.

Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my work 
in lyx 1.6.2. When typing, I experienced a very large delay (like seconds) 
before all symbols would appear on screen. 

I read through all posts in lyx mailing list with similar symptoms (just 2 or 
3). The only solution there that worked was to buy a new video card.

What I've done next:

1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no typing 
delays. Returned back to lyx 1.6.2.

2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
Then I resized lyx window to be smaller. CPU utilization fall down, and typing 
delay decreased. I resized lyx to be 25% of the screen - typing delay almost 
disappeared.

3) I looked which video card I have (lspci |grep Display) - Intel Corporation 
82945G/GZ Integrated Graphics Controller (rev 02)
I googled for problems with Intel graphics under Ubuntu 9, and found this link 
useful:
http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
+jaunty

4) I tried different solutions from the link above and mostly got my X broken 
or no effect. Finally this one worked for me:

- open xorg.conf (sudo gedit /etc/X11/xorg.conf)
- go to section Device, mine was
Section Device
Identifier  Configured Video Device
EndSection
- add Option MigrationHeuristic greedy so the section looks now like this
Section Device
Identifier  Configured Video Device
Option  MigrationHeuristicgreedy
EndSection
- restart X or reboot.

Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the 
same as in lyx 1.5.7 on my PC).

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Richard Talley]

I'd be very interested in knowing what your Xorg CPU utilization is
like now. I'm having a similar problem on an old server running
Xubuntu 9.04, where Xorg is hogging the CPU. Thanks.  -- Rich

On Wed, Aug 12, 2009 at 6:41 AM, Alex Mm...@mail.ru wrote:
 Hi!

 I would like to share my experience with solving very frustrating problem with
 typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or
 even lead to a fix in a next lyx version.

 Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my 
 work
 in lyx 1.6.2. When typing, I experienced a very large delay (like seconds)
 before all symbols would appear on screen.

 I read through all posts in lyx mailing list with similar symptoms (just 2 or
 3). The only solution there that worked was to buy a new video card.

 What I've done next:

 1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no 
 typing
 delays. Returned back to lyx 1.6.2.

 2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
 Then I resized lyx window to be smaller. CPU utilization fall down, and typing
 delay decreased. I resized lyx to be 25% of the screen - typing delay almost
 disappeared.

 3) I looked which video card I have (lspci |grep Display) - Intel Corporation
 82945G/GZ Integrated Graphics Controller (rev 02)
 I googled for problems with Intel graphics under Ubuntu 9, and found this link
 useful:
 http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
 +jaunty

 4) I tried different solutions from the link above and mostly got my X broken
 or no effect. Finally this one worked for me:

 - open xorg.conf (sudo gedit /etc/X11/xorg.conf)
 - go to section Device, mine was
 Section Device
        Identifier      Configured Video Device
 EndSection
 - add Option MigrationHeuristic greedy so the section looks now like this
 Section Device
        Identifier      Configured Video Device
        Option          MigrationHeuristic            greedy
 EndSection
 - restart X or reboot.

 Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the
 same as in lyx 1.5.7 on my PC).

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

Richard Talley rich.tal...@... writes:

 
 I'd be very interested in knowing what your Xorg CPU utilization is
 like now. I'm having a similar problem on an old server running
 Xubuntu 9.04, where Xorg is hogging the CPU. Thanks.  -- Rich

Xorg uses 10-20% CPU now, usually 10%.

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Paul A. Rubin]

Alex M wrote:

Hi!

I would like to share my experience with solving very frustrating problem with 
typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or 
even lead to a fix in a next lyx version.


Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my work 
in lyx 1.6.2. When typing, I experienced a very large delay (like seconds) 
before all symbols would appear on screen. 

I read through all posts in lyx mailing list with similar symptoms (just 2 or 
3). The only solution there that worked was to buy a new video card.


What I've done next:

1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no typing 
delays. Returned back to lyx 1.6.2.


2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
Then I resized lyx window to be smaller. CPU utilization fall down, and typing 
delay decreased. I resized lyx to be 25% of the screen - typing delay almost 
disappeared.


3) I looked which video card I have (lspci |grep Display) - Intel Corporation 
82945G/GZ Integrated Graphics Controller (rev 02)
I googled for problems with Intel graphics under Ubuntu 9, and found this link 
useful:

http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
+jaunty

4) I tried different solutions from the link above and mostly got my X broken 
or no effect. Finally this one worked for me:


- open xorg.conf (sudo gedit /etc/X11/xorg.conf)
- go to section Device, mine was
Section Device
Identifier  Configured Video Device
EndSection
- add Option MigrationHeuristic greedy so the section looks now like this
Section Device
Identifier  Configured Video Device
Option  MigrationHeuristic  greedy
EndSection
- restart X or reboot.

Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the 
same as in lyx 1.5.7 on my PC).





This is worth posting to the wiki, if you're so inclined.

/Paul

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Sven Hoexter]

On Wed, Aug 12, 2009 at 11:38:26AM -0400, Paul A. Rubin wrote:

Hi,

 3) I looked which video card I have (lspci |grep Display) - Intel
 Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
 I googled for problems with Intel graphics under Ubuntu 9, and
 found this link useful:
 http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
 +jaunty
 
 This is worth posting to the wiki, if you're so inclined.

Intel drivers for the older chips are currently broken and in most cases
unusable. Phoronix wrote about it several times. The newer 9x chips seem to
work again with Linux 2.6.30+ and the latest 2.9 Intel drivers.

I've downgraded all my (Debian) systems with Intel 8x chips to an older
Xorg version and the  2.3.2-2+lenny6 intel driver from Lenny. Currently that
still works but someday it will break for sure.

So all in all I doubt this is somehow relevant for LyX it's more of a general
issue.

Sven
-- 
They're the cowards We are rebels
We got the power to fight the devil
   [ AIV - We are rebels ]

lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

Hi!

I would like to share my experience with solving very frustrating problem with 
typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or 
even lead to a fix in a next lyx version.

Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my work 
in lyx 1.6.2. When typing, I experienced a very large delay (like seconds) 
before all symbols would appear on screen. 

I read through all posts in lyx mailing list with similar symptoms (just 2 or 
3). The only solution there that worked was to buy a new video card.

What I've done next:

1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no typing 
delays. Returned back to lyx 1.6.2.

2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
Then I resized lyx window to be smaller. CPU utilization fall down, and typing 
delay decreased. I resized lyx to be 25% of the screen - typing delay almost 
disappeared.

3) I looked which video card I have (lspci |grep Display) - Intel Corporation 
82945G/GZ Integrated Graphics Controller (rev 02)
I googled for problems with Intel graphics under Ubuntu 9, and found this link 
useful:
http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
+jaunty

4) I tried different solutions from the link above and mostly got my X broken 
or no effect. Finally this one worked for me:

- open xorg.conf (sudo gedit /etc/X11/xorg.conf)
- go to section Device, mine was
Section Device
Identifier  Configured Video Device
EndSection
- add Option MigrationHeuristic greedy so the section looks now like this
Section Device
Identifier  Configured Video Device
Option  MigrationHeuristicgreedy
EndSection
- restart X or reboot.

Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the 
same as in lyx 1.5.7 on my PC).

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Richard Talley]

I'd be very interested in knowing what your Xorg CPU utilization is
like now. I'm having a similar problem on an old server running
Xubuntu 9.04, where Xorg is hogging the CPU. Thanks.  -- Rich

On Wed, Aug 12, 2009 at 6:41 AM, Alex Mm...@mail.ru wrote:
 Hi!

 I would like to share my experience with solving very frustrating problem with
 typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or
 even lead to a fix in a next lyx version.

 Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my 
 work
 in lyx 1.6.2. When typing, I experienced a very large delay (like seconds)
 before all symbols would appear on screen.

 I read through all posts in lyx mailing list with similar symptoms (just 2 or
 3). The only solution there that worked was to buy a new video card.

 What I've done next:

 1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no 
 typing
 delays. Returned back to lyx 1.6.2.

 2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
 Then I resized lyx window to be smaller. CPU utilization fall down, and typing
 delay decreased. I resized lyx to be 25% of the screen - typing delay almost
 disappeared.

 3) I looked which video card I have (lspci |grep Display) - Intel Corporation
 82945G/GZ Integrated Graphics Controller (rev 02)
 I googled for problems with Intel graphics under Ubuntu 9, and found this link
 useful:
 http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
 +jaunty

 4) I tried different solutions from the link above and mostly got my X broken
 or no effect. Finally this one worked for me:

 - open xorg.conf (sudo gedit /etc/X11/xorg.conf)
 - go to section Device, mine was
 Section Device
        Identifier      Configured Video Device
 EndSection
 - add Option MigrationHeuristic greedy so the section looks now like this
 Section Device
        Identifier      Configured Video Device
        Option          MigrationHeuristic            greedy
 EndSection
 - restart X or reboot.

 Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the
 same as in lyx 1.5.7 on my PC).

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

Richard Talley rich.tal...@... writes:

 
 I'd be very interested in knowing what your Xorg CPU utilization is
 like now. I'm having a similar problem on an old server running
 Xubuntu 9.04, where Xorg is hogging the CPU. Thanks.  -- Rich

Xorg uses 10-20% CPU now, usually 10%.

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Paul A. Rubin]

Alex M wrote:

Hi!

I would like to share my experience with solving very frustrating problem with 
typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or 
even lead to a fix in a next lyx version.


Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my work 
in lyx 1.6.2. When typing, I experienced a very large delay (like seconds) 
before all symbols would appear on screen. 

I read through all posts in lyx mailing list with similar symptoms (just 2 or 
3). The only solution there that worked was to buy a new video card.


What I've done next:

1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no typing 
delays. Returned back to lyx 1.6.2.


2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
Then I resized lyx window to be smaller. CPU utilization fall down, and typing 
delay decreased. I resized lyx to be 25% of the screen - typing delay almost 
disappeared.


3) I looked which video card I have (lspci |grep Display) - Intel Corporation 
82945G/GZ Integrated Graphics Controller (rev 02)
I googled for problems with Intel graphics under Ubuntu 9, and found this link 
useful:

http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
+jaunty

4) I tried different solutions from the link above and mostly got my X broken 
or no effect. Finally this one worked for me:


- open xorg.conf (sudo gedit /etc/X11/xorg.conf)
- go to section Device, mine was
Section Device
Identifier  Configured Video Device
EndSection
- add Option MigrationHeuristic greedy so the section looks now like this
Section Device
Identifier  Configured Video Device
Option  MigrationHeuristic  greedy
EndSection
- restart X or reboot.

Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the 
same as in lyx 1.5.7 on my PC).





This is worth posting to the wiki, if you're so inclined.

/Paul

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Sven Hoexter]

On Wed, Aug 12, 2009 at 11:38:26AM -0400, Paul A. Rubin wrote:

Hi,

 3) I looked which video card I have (lspci |grep Display) - Intel
 Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
 I googled for problems with Intel graphics under Ubuntu 9, and
 found this link useful:
 http://ubuntuforums.org/showthread.php?t=1130582highlight=ubuntu+slow+update
 +jaunty
 
 This is worth posting to the wiki, if you're so inclined.

Intel drivers for the older chips are currently broken and in most cases
unusable. Phoronix wrote about it several times. The newer 9x chips seem to
work again with Linux 2.6.30+ and the latest 2.9 Intel drivers.

I've downgraded all my (Debian) systems with Intel 8x chips to an older
Xorg version and the  2.3.2-2+lenny6 intel driver from Lenny. Currently that
still works but someday it will break for sure.

So all in all I doubt this is somehow relevant for LyX it's more of a general
issue.

Sven
-- 
They're the cowards We are rebels
We got the power to fight the devil
   [ AIV - We are rebels ]

lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

Hi!

I would like to share my experience with solving very frustrating problem with 
typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or 
even lead to a fix in a next lyx version.

Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my work 
in lyx 1.6.2. When typing, I experienced a very large delay (like seconds) 
before all symbols would appear on screen. 

I read through all posts in lyx mailing list with similar symptoms (just 2 or 
3). The only solution there that worked was to buy a new video card.

What I've done next:

1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no typing 
delays. Returned back to lyx 1.6.2.

2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
Then I resized lyx window to be smaller. CPU utilization fall down, and typing 
delay decreased. I resized lyx to be 25% of the screen - typing delay almost 
disappeared.

3) I looked which video card I have (lspci |grep Display) - Intel Corporation 
82945G/GZ Integrated Graphics Controller (rev 02)
I googled for problems with Intel graphics under Ubuntu 9, and found this link 
useful:
http://ubuntuforums.org/showthread.php?t=1130582=ubuntu+slow+update
+jaunty

4) I tried different solutions from the link above and mostly got my X broken 
or no effect. Finally this one worked for me:

- open xorg.conf (sudo gedit /etc/X11/xorg.conf)
- go to section "Device", mine was
Section "Device"
Identifier  "Configured Video Device"
EndSection
- add Option "MigrationHeuristic" "greedy" so the section looks now like this
Section "Device"
Identifier  "Configured Video Device"
Option  "MigrationHeuristic""greedy"
EndSection
- restart X or reboot.

Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the 
same as in lyx 1.5.7 on my PC).

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Richard Talley]

I'd be very interested in knowing what your Xorg CPU utilization is
like now. I'm having a similar problem on an old server running
Xubuntu 9.04, where Xorg is hogging the CPU. Thanks.  -- Rich

On Wed, Aug 12, 2009 at 6:41 AM, Alex M wrote:
> Hi!
>
> I would like to share my experience with solving very frustrating problem with
> typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or
> even lead to a fix in a next lyx version.
>
> Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my 
> work
> in lyx 1.6.2. When typing, I experienced a very large delay (like seconds)
> before all symbols would appear on screen.
>
> I read through all posts in lyx mailing list with similar symptoms (just 2 or
> 3). The only solution there that worked was to buy a new video card.
>
> What I've done next:
>
> 1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no 
> typing
> delays. Returned back to lyx 1.6.2.
>
> 2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
> Then I resized lyx window to be smaller. CPU utilization fall down, and typing
> delay decreased. I resized lyx to be 25% of the screen - typing delay almost
> disappeared.
>
> 3) I looked which video card I have (lspci |grep Display) - Intel Corporation
> 82945G/GZ Integrated Graphics Controller (rev 02)
> I googled for problems with Intel graphics under Ubuntu 9, and found this link
> useful:
> http://ubuntuforums.org/showthread.php?t=1130582=ubuntu+slow+update
> +jaunty
>
> 4) I tried different solutions from the link above and mostly got my X broken
> or no effect. Finally this one worked for me:
>
> - open xorg.conf (sudo gedit /etc/X11/xorg.conf)
> - go to section "Device", mine was
> Section "Device"
>        Identifier      "Configured Video Device"
> EndSection
> - add Option "MigrationHeuristic" "greedy" so the section looks now like this
> Section "Device"
>        Identifier      "Configured Video Device"
>        Option          "MigrationHeuristic"            "greedy"
> EndSection
> - restart X or reboot.
>
> Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the
> same as in lyx 1.5.7 on my PC).
>
>

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Alex M]

Richard Talley  writes:

> 
> I'd be very interested in knowing what your Xorg CPU utilization is
> like now. I'm having a similar problem on an old server running
> Xubuntu 9.04, where Xorg is hogging the CPU. Thanks.  -- Rich

Xorg uses 10-20% CPU now, usually 10%.

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Paul A. Rubin]

Alex M wrote:

Hi!

I would like to share my experience with solving very frustrating problem with 
typing in lyx 1.6.x under Ubuntu 9.04. Maybe this will help someone else or 
even lead to a fix in a next lyx version.


Recently I've upgraded to Ubuntu 9.04. After that, I could not continue my work 
in lyx 1.6.2. When typing, I experienced a very large delay (like seconds) 
before all symbols would appear on screen. 

I read through all posts in lyx mailing list with similar symptoms (just 2 or 
3). The only solution there that worked was to buy a new video card.


What I've done next:

1) Installed lyx 1.6.0 - the same typing delay. Installed lyx 1.5.7 - no typing 
delays. Returned back to lyx 1.6.2.


2) Looked at the CPU utilization. When typing, Xorg ate up to 50% CPU.
Then I resized lyx window to be smaller. CPU utilization fall down, and typing 
delay decreased. I resized lyx to be 25% of the screen - typing delay almost 
disappeared.


3) I looked which video card I have (lspci |grep Display) - Intel Corporation 
82945G/GZ Integrated Graphics Controller (rev 02)
I googled for problems with Intel graphics under Ubuntu 9, and found this link 
useful:

http://ubuntuforums.org/showthread.php?t=1130582=ubuntu+slow+update
+jaunty

4) I tried different solutions from the link above and mostly got my X broken 
or no effect. Finally this one worked for me:


- open xorg.conf (sudo gedit /etc/X11/xorg.conf)
- go to section "Device", mine was
Section "Device"
Identifier  "Configured Video Device"
EndSection
- add Option "MigrationHeuristic" "greedy" so the section looks now like this
Section "Device"
Identifier  "Configured Video Device"
Option  "MigrationHeuristic"  "greedy"
EndSection
- restart X or reboot.

Now I have almost no typing delays in lyx 1.6.2 (at least, typing speed is the 
same as in lyx 1.5.7 on my PC).





This is worth posting to the wiki, if you're so inclined.

/Paul

Re: lyx 1.6.2 + Ubuntu 9.04 = slow typing

[Sven Hoexter]

On Wed, Aug 12, 2009 at 11:38:26AM -0400, Paul A. Rubin wrote:

Hi,

> >3) I looked which video card I have (lspci |grep Display) - Intel
> >Corporation 82945G/GZ Integrated Graphics Controller (rev 02)
> >I googled for problems with Intel graphics under Ubuntu 9, and
> >found this link useful:
> >http://ubuntuforums.org/showthread.php?t=1130582=ubuntu+slow+update
> >+jaunty
> 
> This is worth posting to the wiki, if you're so inclined.

Intel drivers for the older chips are currently broken and in most cases
unusable. Phoronix wrote about it several times. The newer 9x chips seem to
work again with Linux 2.6.30+ and the latest 2.9 Intel drivers.

I've downgraded all my (Debian) systems with Intel 8x chips to an older
Xorg version and the  2.3.2-2+lenny6 intel driver from Lenny. Currently that
still works but someday it will break for sure.

So all in all I doubt this is somehow relevant for LyX it's more of a general
issue.

Sven
-- 
They're the cowards We are rebels
We got the power to fight the devil
   [ AIV - We are rebels ]