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Groups > comp.os.linux.misc > #7796 > unrolled thread

Jerky mouse movement

Started byJames Moe <jimoeDESPAM@sohnen-moe.com>
First post2013-04-07 12:00 -0700
Last post2013-04-15 09:54 -0700
Articles 19 — 8 participants

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Contents

  Jerky mouse movement James Moe <jimoeDESPAM@sohnen-moe.com> - 2013-04-07 12:00 -0700
    Re: Jerky mouse movement Dan Espen <despen@verizon.net> - 2013-04-07 15:40 -0400
      Re: Jerky mouse movement James Moe <jimoeDESPAM@sohnen-moe.com> - 2013-04-08 11:41 -0700
    Re: Jerky mouse movement The Natural Philosopher <tnp@invalid.invalid> - 2013-04-07 22:14 +0100
    Re: Jerky mouse movement "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2013-04-07 17:44 -0400
    Re: Jerky mouse movement notbob <notbob@nothome.com> - 2013-04-08 00:49 +0000
      Re: Jerky mouse movement James Moe <jimoeDESPAM@sohnen-moe.com> - 2013-04-08 11:40 -0700
    Re: Jerky mouse movement Johann Klammer <klammerj@NOSPAM.a1.net> - 2013-04-08 09:53 +0200
      Re: Jerky mouse movement James Moe <jimoeDESPAM@sohnen-moe.com> - 2013-04-08 11:36 -0700
    Re: Jerky mouse movement J G Miller <miller@yoyo.ORG> - 2013-04-08 11:38 +0000
      Re: Jerky mouse movement James Moe <jimoeDESPAM@sohnen-moe.com> - 2013-04-08 11:32 -0700
        Re: Jerky mouse movement The Natural Philosopher <tnp@invalid.invalid> - 2013-04-08 20:10 +0100
          Re: Jerky mouse movement Dan Espen <despen@verizon.net> - 2013-04-08 17:42 -0400
            Re: Jerky mouse movement The Natural Philosopher <tnp@invalid.invalid> - 2013-04-09 01:39 +0100
              Re: Jerky mouse movement Dan Espen <despen@verizon.net> - 2013-04-08 21:21 -0400
          Re: Jerky mouse movement Mladen Gogala <gogala.mladen@gmail.com> - 2013-04-14 20:08 +0000
            Re: Jerky mouse movement The Natural Philosopher <tnp@invalid.invalid> - 2013-04-14 21:19 +0100
              Re: Jerky mouse movement Mladen Gogala <gogala.mladen@gmail.com> - 2013-04-14 22:58 +0000
    Re: Jerky mouse movement James Moe <jimoeDESPAM@sohnen-moe.com> - 2013-04-15 09:54 -0700

#7796 — Jerky mouse movement

FromJames Moe <jimoeDESPAM@sohnen-moe.com>
Date2013-04-07 12:00 -0700
SubjectJerky mouse movement
Message-ID<34qdnecz-pHFX_zMnZ2dnUVZ_tidnZ2d@giganews.com>
Hello,
  openSUSE v12.3
  linux v3.7.10-1.1-desktop x86_64
  gnome 3.6.2

  Ever since linux version 3.4 the mouse movement becomes more uneven as
the logon time increases. Initially the movement is smooth and even as
expected. As the session time increases to 2+ days the movement shows
regular pauses (every 1 - 2 seconds) for some fraction of a second, then
"catches up" to where it would have been had it not paused. As the
session time increases, so does the jerkiness, i.e., the pauses increase
in length.
  This is annoying.
  It occurs for two different mice, a wired unit and a wireless one. I
am currently using a Logitech MX300 mouse.
  The only solution so far is to log out and in again. Then 2, 3 days
later the jerkiness builds up.

  Has anyone else seen this odd behavior?

-- 
James Moe
jmm-list at sohnen-moe dot com

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#7797

FromDan Espen <despen@verizon.net>
Date2013-04-07 15:40 -0400
Message-ID<icip3y5duz.fsf@home.home>
In reply to#7796
James Moe <jimoeDESPAM@sohnen-moe.com> writes:

> Hello,
>   openSUSE v12.3
>   linux v3.7.10-1.1-desktop x86_64
>   gnome 3.6.2
>
>   Ever since linux version 3.4 the mouse movement becomes more uneven as
> the logon time increases. Initially the movement is smooth and even as
> expected. As the session time increases to 2+ days the movement shows
> regular pauses (every 1 - 2 seconds) for some fraction of a second, then
> "catches up" to where it would have been had it not paused. As the
> session time increases, so does the jerkiness, i.e., the pauses increase
> in length.
>   This is annoying.
>   It occurs for two different mice, a wired unit and a wireless one. I
> am currently using a Logitech MX300 mouse.
>   The only solution so far is to log out and in again. Then 2, 3 days
> later the jerkiness builds up.
>
>   Has anyone else seen this odd behavior?

Not using Suse or Gnome or x86, but no, never seen that.
I suggest that something is overloading your system, possible CPU or
memory.  Are you running any kind of performance monitor?

Maybe, when you see the slow response you should bring up "top" and take
a look to see if anything is using a lot of CPU or memory.

-- 
Dan Espen

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#7814

FromJames Moe <jimoeDESPAM@sohnen-moe.com>
Date2013-04-08 11:41 -0700
Message-ID<O6idneOfwJ34kv7MnZ2dnUVZ5hgAAAAA@giganews.com>
In reply to#7797
On 04/07/2013 12:40 PM, Dan Espen wrote:
> 
> Maybe, when you see the slow response you should bring up "top" and take
> a look to see if anything is using a lot of CPU or memory.
> 
  Did that. There was no obvious culprit.

-- 
James Moe
jmm-list at sohnen-moe dot com

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#7798

FromThe Natural Philosopher <tnp@invalid.invalid>
Date2013-04-07 22:14 +0100
Message-ID<kjsnjp$cij$2@news.albasani.net>
In reply to#7796
On 07/04/13 20:00, James Moe wrote:
> Hello,
>    openSUSE v12.3
>    linux v3.7.10-1.1-desktop x86_64
>    gnome 3.6.2
>
>    Ever since linux version 3.4 the mouse movement becomes more uneven as
> the logon time increases. Initially the movement is smooth and even as
> expected. As the session time increases to 2+ days the movement shows
> regular pauses (every 1 - 2 seconds) for some fraction of a second, then
> "catches up" to where it would have been had it not paused. As the
> session time increases, so does the jerkiness, i.e., the pauses increase
> in length.
>    This is annoying.
>    It occurs for two different mice, a wired unit and a wireless one. I
> am currently using a Logitech MX300 mouse.
>    The only solution so far is to log out and in again. Then 2, 3 days
> later the jerkiness builds up.
>
>    Has anyone else seen this odd behavior?
>
have where the latest thunderbird is concerned. Seems to have an ever 
increasing tendency to garbage collect or something.

But not in terms of general Linux access.

Suggest looking at some kind of system monitor - that's high CPU used by 
something probably.

-- 
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers.

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#7799

From"David W. Hodgins" <dwhodgins@nomail.afraid.org>
Date2013-04-07 17:44 -0400
Message-ID<op.wu6xcqyma3w0dxdave@hodgins.homeip.net>
In reply to#7796
On Sun, 07 Apr 2013 15:00:38 -0400, James Moe <jimoeDESPAM@sohnen-moe.com> wrote:

>   Ever since linux version 3.4 the mouse movement becomes more uneven as
> the logon time increases. Initially the movement is smooth and even as
> expected. As the session time increases to 2+ days the movement shows
> regular pauses (every 1 - 2 seconds) for some fraction of a second, then
> "catches up" to where it would have been had it not paused. As the
> session time increases, so does the jerkiness, i.e., the pauses increase
> in length.
>   This is annoying.
>   It occurs for two different mice, a wired unit and a wireless one. I
> am currently using a Logitech MX300 mouse.
>   The only solution so far is to log out and in again. Then 2, 3 days
> later the jerkiness builds up.
>
>   Has anyone else seen this odd behavior?

Yes.  With a wireless mouse with a low battery.  The wired one is also
affected, if the wireless receiver is still connected, and the wireless
mouse turned on.  It has nothing to do with how long the system has been
running.  It's simply a matter of the battery getting low.

Solution is to replace the batteries with good ones, otherwise the
receiver starts generating excessive interrupts, that slow the whole
system down.  Might be better to replace the wireless mouse and the
receiver with a better quality one.  Hard to tell which ones are
affected, and which aren't, though.

Regards, Dave Hodgins

-- 
Change nomail.afraid.org to ody.ca to reply by email.
(nomail.afraid.org has been set up specifically for
use in usenet. Feel free to use it yourself.)

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#7800

Fromnotbob <notbob@nothome.com>
Date2013-04-08 00:49 +0000
Message-ID<slrnkm451n.2kv.notbob@nbleet.hcc.net>
In reply to#7796
On 2013-04-07, James Moe <jimoeDESPAM@sohnen-moe.com> wrote:

>   Has anyone else seen this odd behavior?

More than once.  The first couple times, it was caused by a sticking
keyboard key.  Since I wasn't in a text editor, I didn't see the
letter repeating indefinitely.  One of those two times, the key button
itself was not depresesed, but the key was still stuck beneath the
button.  A good whack freed it.  The last time squirrely mouse
behavior occured, about 3 days ago, it wasn't the keyboard, merely a
worn out mouse (7 yrs old).  I changed to a different mouse and the
problem diappeared.

nb

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#7813

FromJames Moe <jimoeDESPAM@sohnen-moe.com>
Date2013-04-08 11:40 -0700
Message-ID<O6idneCfwJ2zkv7MnZ2dnUVZ5hidnZ2d@giganews.com>
In reply to#7800
On 04/07/2013 05:49 PM, notbob wrote:
> On 2013-04-07, James Moe <jimoeDESPAM@sohnen-moe.com> wrote:
> 
>>   Has anyone else seen this odd behavior?
> 
> More than once.  The first couple times, it was caused by a sticking
> keyboard key.  
> 
  The keyboard is fairly new, less that 3 months old. No evidence of any
sticky keys.

> The last time squirrely mouse
> behavior occured, about 3 days ago, it wasn't the keyboard, merely a
> worn out mouse (7 yrs old).  I changed to a different mouse and the
> problem diappeared.
> 
  Same behavior with twp different mice, one new (wireless), one not so
much (wired). The wired one is current in use.

-- 
James Moe
jmm-list at sohnen-moe dot com

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#7803

FromJohann Klammer <klammerj@NOSPAM.a1.net>
Date2013-04-08 09:53 +0200
Message-ID<5162777d$0$2774$91cee783@newsreader04.highway.telekom.at>
In reply to#7796
James Moe wrote:
> Hello,
>    openSUSE v12.3
>    linux v3.7.10-1.1-desktop x86_64
>    gnome 3.6.2
>
>    Ever since linux version 3.4 the mouse movement becomes more uneven as
> the logon time increases. Initially the movement is smooth and even as
> expected. As the session time increases to 2+ days the movement shows
> regular pauses (every 1 - 2 seconds) for some fraction of a second, then
> "catches up" to where it would have been had it not paused. As the
> session time increases, so does the jerkiness, i.e., the pauses increase
> in length.
>    This is annoying.
>    It occurs for two different mice, a wired unit and a wireless one. I
> am currently using a Logitech MX300 mouse.
>    The only solution so far is to log out and in again. Then 2, 3 days
> later the jerkiness builds up.
>
>    Has anyone else seen this odd behavior?
>

Yes, once. Upgrading xorg fixed it, I think..
happened around the time they switched the input event system...
Looked like the event queue did not get emptied as fast as the events 
arrived.. depending on how much/fast the mouse was moved, events built 
up and got processed with some delay... Is that what you're seeing?

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#7812

FromJames Moe <jimoeDESPAM@sohnen-moe.com>
Date2013-04-08 11:36 -0700
Message-ID<O6idneGfwJ2hk_7MnZ2dnUVZ5hidnZ2d@giganews.com>
In reply to#7803
On 04/08/2013 12:53 AM, Johann Klammer wrote:
>>
>>    Ever since linux version 3.4 the mouse movement becomes more uneven as
>> the logon time increases. 
> 
> Yes, once. Upgrading xorg fixed it, I think..

AFAIK the system is up to date.

> happened around the time they switched the input event system...
> Looked like the event queue did not get emptied as fast as the events
> arrived.. depending on how much/fast the mouse was moved, events built
> up and got processed with some delay... Is that what you're seeing?
> 
  Yes, mostly. The difference is that the problem does not initially
exist (or so slight as to be invisible), and progressively worsens with
time.

-- 
James Moe
jmm-list at sohnen-moe dot com

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#7805

FromJ G Miller <miller@yoyo.ORG>
Date2013-04-08 11:38 +0000
Message-ID<kjua7e$jo1$1@dont-email.me>
In reply to#7796
On Sunday, April 7th, 2013, at 12:00:38h -0700, James Moe wrote:

> Ever since linux version 3.4 the mouse movement becomes more uneven as
> the logon time increases.

Which Xorg video driver module are you using?

Do you see any lines similar to these in /var/log/Xorg.0.log?

(EE) [mi] EQ overflowing.  Additional events will be discarded until existing events are processed.

...

(EE) [mi] These backtraces from mieqEnqueue may point to a culprit higher up the stack.
(EE) [mi] mieq is *NOT* the cause.  It is a victim.

...

[  2266.818] [mi] Increasing EQ size to 512 to prevent dropped events.
[  2266.820] [mi] EQ processing has resumed after 21 dropped events.
[  2266.820] [mi] This may be caused my a misbehaving driver monopolizing the server's resources.

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#7811

FromJames Moe <jimoeDESPAM@sohnen-moe.com>
Date2013-04-08 11:32 -0700
Message-ID<oOCdnfheL4fEkP7MnZ2dnUVZ_tKdnZ2d@giganews.com>
In reply to#7805
On 04/08/2013 04:38 AM, J G Miller wrote:
> 
>> Ever since linux version 3.4 the mouse movement becomes more uneven as
>> the logon time increases.
> 
> Which Xorg video driver module are you using?
> 
  nouveau. I have an nvidia gt 430 video adapter.

> Do you see any lines similar to these in /var/log/Xorg.0.log?
> (EE) [mi] EQ overflowing.  Additional events will be discarded until existing events are processed.
> 
  No.

-- 
James Moe
jmm-list at sohnen-moe dot com

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#7815

FromThe Natural Philosopher <tnp@invalid.invalid>
Date2013-04-08 20:10 +0100
Message-ID<kjv4ne$re1$3@news.albasani.net>
In reply to#7811
On 08/04/13 19:32, James Moe wrote:
> On 04/08/2013 04:38 AM, J G Miller wrote:
>>> Ever since linux version 3.4 the mouse movement becomes more uneven as
>>> the logon time increases.
>> Which Xorg video driver module are you using?
>>
>    nouveau. I have an nvidia gt 430 video adapter.

try installing the Nvidia drivers instead.

http://www.nvidia.com/object/unix.html
I've found them relatively problem free - unless I get a kernel; 
upgrade, then often I have to reinstall them from the command line

>> Do you see any lines similar to these in /var/log/Xorg.0.log?
>> (EE) [mi] EQ overflowing.  Additional events will be discarded until existing events are processed.
>>
>    No.
>


-- 
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers.

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#7816

FromDan Espen <despen@verizon.net>
Date2013-04-08 17:42 -0400
Message-ID<ic1uak3di9.fsf@home.home>
In reply to#7815
The Natural Philosopher <tnp@invalid.invalid> writes:

> On 08/04/13 19:32, James Moe wrote:
>> On 04/08/2013 04:38 AM, J G Miller wrote:
>>>> Ever since linux version 3.4 the mouse movement becomes more uneven as
>>>> the logon time increases.
>>> Which Xorg video driver module are you using?
>>>
>>    nouveau. I have an nvidia gt 430 video adapter.
>
> try installing the Nvidia drivers instead.
>
> http://www.nvidia.com/object/unix.html
> I've found them relatively problem free - unless I get a kernel;
> upgrade, then often I have to reinstall them from the command line

With Fedora, the Nvidia drivers and kernel updates are synchronized
nicely by yum.  I don't have to do anything special other than select
the driver after install.

-- 
Dan Espen

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#7817

FromThe Natural Philosopher <tnp@invalid.invalid>
Date2013-04-09 01:39 +0100
Message-ID<kjvnv7$4ig$3@news.albasani.net>
In reply to#7816
On 08/04/13 22:42, Dan Espen wrote:
> The Natural Philosopher <tnp@invalid.invalid> writes:
>
>> On 08/04/13 19:32, James Moe wrote:
>>> On 04/08/2013 04:38 AM, J G Miller wrote:
>>>>> Ever since linux version 3.4 the mouse movement becomes more uneven as
>>>>> the logon time increases.
>>>> Which Xorg video driver module are you using?
>>>>
>>>     nouveau. I have an nvidia gt 430 video adapter.
>> try installing the Nvidia drivers instead.
>>
>> http://www.nvidia.com/object/unix.html
>> I've found them relatively problem free - unless I get a kernel;
>> upgrade, then often I have to reinstall them from the command line
> With Fedora, the Nvidia drivers and kernel updates are synchronized
> nicely by yum.  I don't have to do anything special other than select
> the driver after install.
>
except the distro driver wont always be the latest nvidia driver. I 
dumped nouveau for latest. Its a shade slicker and less buggy.


-- 
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers.

[toc] | [prev] | [next] | [standalone]


#7818

FromDan Espen <despen@verizon.net>
Date2013-04-08 21:21 -0400
Message-ID<icsj301ota.fsf@home.home>
In reply to#7817
The Natural Philosopher <tnp@invalid.invalid> writes:

> On 08/04/13 22:42, Dan Espen wrote:
>> The Natural Philosopher <tnp@invalid.invalid> writes:
>>
>>> On 08/04/13 19:32, James Moe wrote:
>>>> On 04/08/2013 04:38 AM, J G Miller wrote:
>>>>>> Ever since linux version 3.4 the mouse movement becomes more uneven as
>>>>>> the logon time increases.
>>>>> Which Xorg video driver module are you using?
>>>>>
>>>>     nouveau. I have an nvidia gt 430 video adapter.
>>> try installing the Nvidia drivers instead.
>>>
>>> http://www.nvidia.com/object/unix.html
>>> I've found them relatively problem free - unless I get a kernel;
>>> upgrade, then often I have to reinstall them from the command line
>> With Fedora, the Nvidia drivers and kernel updates are synchronized
>> nicely by yum.  I don't have to do anything special other than select
>> the driver after install.
>>
> except the distro driver wont always be the latest nvidia driver. I
> dumped nouveau for latest. Its a shade slicker and less buggy.

I'm sure there's a delay, but I have yet to see an Nvidia update that
does something I notice.  I think most updates are new card support.

-- 
Dan Espen

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#7851

FromMladen Gogala <gogala.mladen@gmail.com>
Date2013-04-14 20:08 +0000
Message-ID<pan.2013.04.14.20.08.03@gmail.com>
In reply to#7815
On Mon, 08 Apr 2013 20:10:41 +0100, The Natural Philosopher wrote:

> http://www.nvidia.com/object/unix.html I've found them relatively
> problem free - unless I get a kernel; upgrade, then often I have to
> reinstall them from the command line

Not necessarily. The driver offers an option to register with DKMS, if 
you have DKMS installed. You install it once and it will get re-compiled 
with every new kernel.



-- 
Mladen Gogala
The Oracle Whisperer
http://mgogala.byethost5.com

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#7852

FromThe Natural Philosopher <tnp@invalid.invalid>
Date2013-04-14 21:19 +0100
Message-ID<kkf30n$1co$1@news.albasani.net>
In reply to#7851
On 14/04/13 21:08, Mladen Gogala wrote:
> On Mon, 08 Apr 2013 20:10:41 +0100, The Natural Philosopher wrote:
>
>> http://www.nvidia.com/object/unix.html I've found them relatively
>> problem free - unless I get a kernel; upgrade, then often I have to
>> reinstall them from the command line
> Not necessarily. The driver offers an option to register with DKMS, if
> you have DKMS installed. You install it once and it will get re-compiled
> with every new kernel.
>
>
>
On occasion, that fails. I never went the route of trying to find out 
why, but maybe down to incomplete de-installation of standard distro driver.

I ended up in a buggers muddle and reinstalled various bits and the 
problem went away...

-- 
Ineptocracy

(in-ep-toc’-ra-cy) – a system of government where the least capable to lead are elected by the least capable of producing, and where the members of society least likely to sustain themselves or succeed, are rewarded with goods and services paid for by the confiscated wealth of a diminishing number of producers.

[toc] | [prev] | [next] | [standalone]


#7853

FromMladen Gogala <gogala.mladen@gmail.com>
Date2013-04-14 22:58 +0000
Message-ID<pan.2013.04.14.22.58.46@gmail.com>
In reply to#7852
On Sun, 14 Apr 2013 21:19:41 +0100, The Natural Philosopher wrote:

> On occasion, that fails. I never went the route of trying to find out
> why, but maybe down to incomplete de-installation of standard distro
> driver.
> 
> I ended up in a buggers muddle and reinstalled various bits and the
> problem went away...
>

I had no problems with F17. Now, on F18, I'm using pre-packaged NVIDIA 
drivers from rpmfuse for convenience. No problems:

mgogala@medo ~]$ uname -a
Linux medo.home.com 3.8.6-203.fc18.x86_64 #1 SMP Tue Apr 9 19:33:01 UTC 
2013 x86_64 x86_64 x86_64 GNU/Linux

[mgogala@medo ~]$ glxinfo
name of display: :0.0
display: :0  screen: 0
direct rendering: Yes
server glx vendor string: NVIDIA Corporation
server glx version string: 1.4
server glx extensions:
    GLX_ARB_create_context, GLX_ARB_create_context_profile, 
    GLX_ARB_create_context_robustness, GLX_ARB_fbconfig_float, 
    GLX_ARB_multisample, GLX_EXT_create_context_es2_profile, 
    GLX_EXT_create_context_es_profile, GLX_EXT_swap_control, 
    GLX_EXT_swap_control_tear, GLX_EXT_texture_from_pixmap, 
    GLX_EXT_visual_info, GLX_EXT_visual_rating, GLX_NV_float_buffer, 
    GLX_SGIX_fbconfig, GLX_SGIX_pbuffer, GLX_SGI_swap_control, 
    GLX_SGI_video_sync


[mgogala@medo ~]$ rpm -qa|grep nvidia
kmod-nvidia-304.88-1.fc18.1.x86_64
xorg-x11-drv-nvidia-304.88-1.fc18.x86_64
xorg-x11-drv-nvidia-libs-304.88-1.fc18.i686
nvidia-xconfig-1.0-25.fc18.x86_64
xorg-x11-drv-nvidia-libs-304.88-1.fc18.x86_64
kmod-nvidia-3.8.6-203.fc18.x86_64-304.88-1.fc18.1.x86_64
kmod-nvidia-3.8.5-201.fc18.x86_64-304.88-1.fc18.x86_64
nvidia-settings-1.0-26.fc18.x86_64


I tried with noveau for a few days, but didn't like it, also experienced 
jerky mouse movement and problems when waking up from suspended state. So 
far, the original binary driver works well for me, I have no intention to 
change anytime soon. As for the tainted kernel, I'm also using VirtualBox, 
so tough luck, cannot report any problems with abrt.



-- 
Mladen Gogala
The Oracle Whisperer
http://mgogala.byethost5.com

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#7857

FromJames Moe <jimoeDESPAM@sohnen-moe.com>
Date2013-04-15 09:54 -0700
Message-ID<w6ydnSHNV_hbrfHMnZ2dnUVZ5rudnZ2d@giganews.com>
In reply to#7796
On 04/07/2013 12:00 PM, James Moe wrote:
> Hello,
>   openSUSE v12.3
>   linux v3.7.10-1.1-desktop x86_64
>   gnome 3.6.2
> 
>   Ever since linux version 3.4 the mouse movement becomes more uneven as
> the logon time increases. Initially the movement is smooth and even as
> expected. As the session time increases to 2+ days the movement shows
> regular pauses (every 1 - 2 seconds) for some fraction of a second, then
> "catches up" to where it would have been had it not paused. As the
> session time increases, so does the jerkiness, i.e., the pauses increase
> in length.
>   This is annoying.
>  
  It is some problem with Gnome itself. As logon time increases (it is
now a matter of hours), so does CPU usage. As CPU usage increases, so
does the mouse jerkiness.
  I have switched to KDE desktop. No problems with the mouse movement there.

-- 
James Moe
jmm-list at sohnen-moe dot com

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