I recently lost the GUI after an update, apparently related to missing
nvidia support in the kernel. Does this ring any bells and, if so has
anyone any helpful suggestions?


For information, I boot from a disk holding GRUB and Kubuntu which works
fine, but a second disk with Ubuntu is the failing one. Both systems are
updated daily and are in sync with each other as far as common files are
concerned, although I rely on osprober on the Kubuntu disk to find
Ubuntu, rather than chain-loading. Naturally I run update-grub on the
Kubuntu disk after any changes to the Ubuntu system and this environment
has been error free until Ubuntu was upgraded to kernel 3.0.0-15-generic.


Thanks for any suggestions.

Peter HB

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Peter Hillier-Brook wrote:

> I recently lost the GUI after an update, apparently related to
> missing nvidia support in the kernel. Does this ring any bells and,
> if so has anyone any helpful suggestions?

When you say 'lost the GUI', what precisely do you mean? Do you see no
part of the graphical environment at all, or does it start up and then
break with an error message, for example?

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On 29/01/12 10:18, Avi Greenbury wrote:

Peter Hillier-Brook wrote:


I recently lost the GUI after an update, apparently related to
missing nvidia support in the kernel. Does this ring any bells and,
if so has anyone any helpful suggestions?


When you say 'lost the GUI', what precisely do you mean? Do you see no
part of the graphical environment at all, or does it start up and then
break with an error message, for example?


Thanks for replying. I see no graphical interface at all: the last thing
before a login prompt is a message that Plymouth has been stopped
(paraphrase) and the relevant logs - kern.log, Xorg.log.0 and others I
have forgotten - claim that there is no support in the kernel for nvidia.


Until I updated from 3.0.0-14 to 3.0.0-15 I had no problems. If the log
content is pertinent I will be happy to collect it, but given that I'm
in the "unhappy with Unity" gang, I'm not far from a re-installation
with Lubuntu with which I'm very happy on other machines. :-)


Peter HB


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On Sun, Jan 29, 2012 at 6:04 PM, Peter Hillier-Brook <phb@hbsys.plus.com> wrote:
>
> Thanks for replying. I see no graphical interface at all: the last thing
> before a login prompt is a message that Plymouth has been stopped
> (paraphrase) and the relevant logs - kern.log, Xorg.log.0 and others I have
> forgotten - claim that there is no support in the kernel for nvidia.
>
> Until I updated from 3.0.0-14 to 3.0.0-15 I had no problems. If the log
> content is pertinent I will be happy to collect it, but given that I'm in
> the "unhappy with Unity" gang, I'm not far from a re-installation with
> Lubuntu with which I'm very happy on other machines. :-)

Try logging in the console, and type:

sudo apt-get remove nvidia*

sudo apt-get install xserver-xorg-video-nouveau

sudo shutdown -r now


Then let us know if the problem was fixed.


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On 29/01/12 16:39, Ioannis Vranos wrote:

On Sun, Jan 29, 2012 at 6:04 PM, Peter Hillier-Brook<phb@hbsys.plus.com> wrote:


Thanks for replying. I see no graphical interface at all: the last thing
before a login prompt is a message that Plymouth has been stopped
(paraphrase) and the relevant logs - kern.log, Xorg.log.0 and others I have
forgotten - claim that there is no support in the kernel for nvidia.

Until I updated from 3.0.0-14 to 3.0.0-15 I had no problems. If the log
content is pertinent I will be happy to collect it, but given that I'm in
the "unhappy with Unity" gang, I'm not far from a re-installation with
Lubuntu with which I'm very happy on other machines. :-)


Try logging in the console, and type:

sudo apt-get remove nvidia*

sudo apt-get install xserver-xorg-video-nouveau

sudo shutdown -r now


Then let us know if the problem was fixed.


Thanks for the suggestion. I'll give it a spin, but even if it works it
won't have identified why the update caused a failure and will be an
avoidance, rather than a diagnosis and fix.


Peter HB


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On Mon, Jan 30, 2012 at 12:40 AM, Peter Hillier-Brook
<phb@hbsys.plus.com> wrote:
> On 29/01/12 16:39, Ioannis Vranos wrote:
>>
>> On Sun, Jan 29, 2012 at 6:04 PM, Peter Hillier-Brook<phb@hbsys.plus.com>
>> *wrote:
>>>
>>>
>>> Thanks for replying. I see no graphical interface at all: the last thing
>>> before a login prompt is a message that Plymouth has been stopped
>>> (paraphrase) and the relevant logs - kern.log, Xorg.log.0 and others I
>>> have
>>> forgotten - claim that there is no support in the kernel for nvidia.
>>>
>>> Until I updated from 3.0.0-14 to 3.0.0-15 I had no problems. If the log
>>> content is pertinent I will be happy to collect it, but given that I'm in
>>> the "unhappy with Unity" gang, I'm not far from a re-installation with
>>> Lubuntu with which I'm very happy on other machines. :-)
>>
>>
>> Try logging in the console, and type:
>>
>> sudo apt-get remove nvidia*
>>
>> sudo apt-get install xserver-xorg-video-nouveau
>>
>> sudo shutdown -r now
>>
>>
>> Then let us know if the problem was fixed.
>
>
> Thanks for the suggestion. I'll give it a spin, but even if it works it
> won't have identified why the update caused a failure and will be an
> avoidance, rather than a diagnosis and fix.

I provided those, because I am assuming some Nvidia packages either
conflict, or were not installed properly.


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On 29/01/12 23:35, Ioannis Vranos wrote:

On Mon, Jan 30, 2012 at 12:40 AM, Peter Hillier-Brook
<phb@hbsys.plus.com> wrote:

On 29/01/12 16:39, Ioannis Vranos wrote:


On Sun, Jan 29, 2012 at 6:04 PM, Peter
Hillier-Brook<phb@hbsys.plus.com> wrote:



Thanks for replying. I see no graphical interface at all: the
last thing before a login prompt is a message that Plymouth has
been stopped (paraphrase) and the relevant logs - kern.log,
Xorg.log.0 and others I have forgotten - claim that there is no
support in the kernel for nvidia.

Until I updated from 3.0.0-14 to 3.0.0-15 I had no problems. If
the log content is pertinent I will be happy to collect it, but
given that I'm in the "unhappy with Unity" gang, I'm not far
from a re-installation with Lubuntu with which I'm very happy
on other machines. :-)



Try logging in the console, and type:

sudo apt-get remove nvidia*

sudo apt-get install xserver-xorg-video-nouveau

sudo shutdown -r now


Then let us know if the problem was fixed.



Thanks for the suggestion. I'll give it a spin, but even if it
works it won't have identified why the update caused a failure and
will be an avoidance, rather than a diagnosis and fix.


I provided those, because I am assuming some Nvidia packages either
conflict, or were not installed properly.


Ioannis, thanks for all your helpful input. nouveau didn't help a lot,
but you gave me a good pointer with the removal of nvidia*. By invoking
apt-get install with nvidia* I achieved a working system again, despite
the literally hundreds of error messages. Obviously nvidia* was
overkill, but not knowing the precise packages required....


Regards

Peter HB

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On Tue, Jan 31, 2012 at 6:43 PM, Peter Hillier-Brook <phb@hbsys.plus.com> wrote:
>
> Ioannis, thanks for all your helpful input. nouveau didn't help a lot, but
> you gave me a good pointer with the removal of nvidia*. By invoking apt-get
> install with nvidia* I achieved a working system again, despite the
> literally hundreds of error messages. Obviously nvidia* was overkill, but
> not knowing the precise packages required....

Now when you are logged into X, you may uninstall all nvidia*
packages, then use the "Additional Drivers" GUI installer to install
the required packages, and then reboot.


--
Ioannis Vranos

http://cppsoftware.binhoster.com

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