How do I upgrade the kernel after adding PPA. Need to patch for fix to Synaptic touchpad on vostro v13 -- wireless now fails

[Tim Gardner]

On 08/20/2010 08:19 AM, Simon Hook wrote:
> Tim Gardner wrote:
>> On 08/20/2010 07:11 AM, Tim Gardner wrote:
>>> On 08/19/2010 10:48 PM, Simon Hook wrote:
>>>> Hi,
>>>>
>>>> I have a Dell Vostro v13 with Ubuntu 10.04 2.6.32-24-generic.
>>>> Unfortunately the synaptics touchpad is not recognized and assigned
>>>> to a
>>>> generic mouse driver. The generic driver skips and does not support
>>>> side
>>>> scrolling. The bug has been submitted to launchpad and is described
>>>> here:
>>>> Bug #380126</bugs/380126>
>>>> Bug #545565</bugs/545565>
>>>>
>>>> Recently I was pointed to a kernel patch which should fix it but the
>>>> patch generates errors when applied to my kernel version but I was told
>>>> the patch would work with the latest kernel and I could use the ppa to
>>>> get the latest kernel.
>>>>
>>>> https://edge.launchpad.net/~kernel-ppa/+archive/ppa
>>>> <https://edge.launchpad.net/%7Ekernel-ppa/+archive/ppa>
>>>>
>>>> I have added the ppa as a software source and done an apt-get update
>>>> but
>>>> my system has not updated and I do not know what I am doing wrong. Here
>>>> are the steps I have been through:
>>>>
>>>> https://answers.launchpad.net/dell-recovery/+question/121518
>>>>
>>>> How do I install the latest kernel so I can try the patch. The problem
>>>> is really annoying and affects numerous people.
>>>>
>>>> thanks for any help -- S.
>>>>
>>>
>>> You'll be wanting to install one of the LTS backport meta packages. Now
>>> that you've added the software source entry, you can search for a
>>> package, i.e.,
>>>
>>> sudo apt-get update
>>> apt-cache search lts
>>>
>>> The package you likely want (since you have a desktop) is
>>> linux-image-generic-lts-backport-maverick, i.e.,
>>>
>>> sudo apt-get install linux-image-generic-lts-backport-maverick
>>>
>>> which will also install all of its dependencies, namely
>>> linux-image-2.6.35-17-generic.
>>>
>>> This meta package will continue to depend on the latest LTS backport
>>> kernel, regardless of package name changes caused by ABI bumps.
>>>
>>> rtg
>>
>> As a follow-up, the kernel you should expect is currently
>> linux-image-2.6.35-16-generic. The -17- kernel is still building, so I
>> have yet to update the meta package.
> Hi well the kernel upgrade worked except now my wireless stopped
> working. In addition the patch to the mouse driver gave exactly the same
> errors as under 10.04 2.6.32-24-generic. How do I revert the kernel back
> to 2.6.32-24-generic so I can get wireless back?
>
> thanks, Simon
>
> p.s. FYI. When I first upgraded to 10.04 I had to go on to a wired
> conenction and do an update to get the latest patches to get wireless to
> work which I did not have to do with 9.04.
>

Hmm, its curious the wireless stopped working. Perhaps you're unlucky 
enough to have a Broadcom wireless chipset.

You can uninstall the LTS kernel thusly:

sudo apt-get remove linux-image-2.6.35-16-generic

rtg
-- 
Tim Gardner tim.gardner at canonical.com