How to deal with the generic kernel?

[Gustin Johnson]

The header files are required to build 3rd party modules against the
running kernel.  This is not the same as the kernel itself.  If apt wants
you to install it you probably should.  DKMS might be broken without the
headers as well.




On Sun, Jun 16, 2013 at 10:15 AM, Pablo Fernandez <pablo.fbus at gmail.com>wrote:

>
> El 15/06/2013 20:26, "Alf Haakon Lund" <alf at mellomrommet.no> escribió:
>
> >
> > On 02. juni 2013 16:17, Alf Haakon Lund wrote:
> >>
> >> I'm running Ubuntu Studio 12.10, 32-bit, on a Toshiba Sattelite p850.
> >>
> >> Recently jack stopped working. As this happened right after an update, I
> >> was able to guess that the latest kernel caused the issue. At next boot
> >> I chose advanced features in the GRUB menu and so I noticed that
> >> 3.5.0-33-generic was my default kernel. I chose 3.5.0-31-lowlatency
> >> instead and JACK went back to work.
> >>
> >> I asked a question about this on the LAU mailing list and got an answer
> >> that made it clear Ubuntu Studio doesn't use the generic kernel by
> >> default. This prompted me to check out 13.04 through VirtualBox.
> >>
> >> Right: After the fresh install Synaptic says no generic kernels are
> >> installed, but on it's first run Software Updater includes them anyway
> >> in the security update section.
> >>
> >> So I have three main questions:
> >>
> >> - What could I have done to suddenly start using the generic instead of
> >> the lowlatency kernel?
> >>
> >> - Why is Software Updater including them anyway?
> >>
> >> - What can I do to get permanently rid of this nuisance? I want to run
> >> the lowlatency kernels and be done with it.
> >>
> >> Amongst the bunch of other questions that arose I'd like to mention just
> >> a few:
> >>
> >> I uninstalled the generic kernel, but after rebooting and chosing GRUB's
> >> default the info in system monitor still says 3.5.0-33-generic. I am
> >> pretty sure I uninstalled while in 3.5.0-31-lowlatency so I should've
> >> avoided the dilemma command "system: uninstall yourself!" How do I make
> >> sure which kernel I'm actually running? And doesn't GRUB notice when
> >> kernels are removed?
> >>
> >> OK, I'm thankful for any and all input and will happily file bug reports
> >> in the proper places once someone properly helps point me to them ;-)
> >>
> >> Al F
> >>
> >
> > Hello again,
> >
> > I need a small follow-up help on this subject:
> >
> > I threw out all generics from my system (at least I think I did), and
> most of the old lowlatencys as well, so that I'm now left with
> 3.5.0-31-lowlatency and 3.5.0-33-lowlatency. That's what the advanced part
> of GRUB tells me, anyway.
> >
> > Now the latest update wants to install "Header files related to Linux
> kernel version 3.5.0", new install, 12.1 MB.
> >
> > To me this doesn't look like lowlatency, so I'm inclined to not install
> it, but how can I know for sure?
>
> "apt-get upgrade" will tell you, and the packages will be kept back. (To
> install kernel packages from the terminal you would need "apt-get
> dist-upgrade"). To be on the safe side,  you can "--just-print"
>
> sudo apt-get upgrade --just-print
>
>
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>
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