[Netkit.users] Issues with latest kernel : too old for filesystem's packages updates

[Massimo Rimondini]

Hi Joao,

thank you very much for the hint: I was not aware of the existence of this service.

Regards,
Massimo


On 06/14/2013 12:36 AM, Joao Codagnoni wrote:
> Last year I had the same problem, needed to install some packages but the distro was to old for that. I've downloaded a kernel from http://uml.devloop.org.uk/kernels.html (version 3), it worked fine for the purpose I was using it.
>
> Devloop also have some stock filesystem for a variety of distros.
>
>
> On Thu, Jun 13, 2013 at 3:03 PM, Florian LOYAU <loyauflorian a gmail.com <mailto:loyauflorian a gmail.com>> wrote:
>
>     Hi there !
>
>     Recently, a few people recommended Netkit to me to help learn Linux networking and I started messing around with it.
>     Since we are several here to wish to learn and experiment, I eventually thought about creating a collaborative set of labs to use on a central machine for more interactivity.
>     However the version of Quagga included in Netkit's filesystem seems to be very old and lacks several features I'd have liked to use (eg. AS4) :(
>
>     The website' FAQ clearly explains how to upgrade the existing Debian install or install new packages. However, the associated Netkit Kernel now seems to be too old...
>     Since it is running off what seems to be a Debian Unstable snapshot from 2010, any newer package install post package update pulls in the newest glibc version 2.17.
>     Since glibc 2.17, there is a minimum requirement for the Linux Kernel version of 2.6.16, according to their own changelog [ http://sourceware.org/ml/libc-announce/2012/msg00001.html ] -- which should be fine with Netkit's 2.6.22.
>     However when attempting to update a running UML Machine, Debian complains about requiring a kernel newer than 2.6.32 and refuses to upgrade.
>     Indeed, attempting to upgrade from a chroot environement (bypassing the kernel check since it matchs against the host' version) results in an unbootable filesystem (fails at init startup)...
>
>     As such I'd like to ask the following questions :
>      - Are there any plans to update the provided kernel, or do anyone know where I can find a third-party one ?
>      - Will Netkit run if building a newer kernel without the provided netkit patches ?
>      - If yes, to what extent could features be lost by the removal of those patches ? Will just any UML kernel run ?
>      - Last but not least, while only Debian is officially supported, is building a new filesystem from scratch from a different distro likely to succeed ?
>
>     Thanks in advance ;)
>
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