[arch-general] Keep older kernel intact while upgrading to new kernel

[C Anthony Risinger]

IIRC it is being marked stable in 2.6.35.

Stable schmable... works like a treat for me and many others; it's
just a possible solution.

C Anthony [mobile]

On Jul 17, 2010, at 3:46 PM, "Евгений Борисов"
<flekst at gmail.com> wrote:

> BTRFS is not marked stable by developers, so it can not  used in
> stable
> arch.
>
> 2010/7/17 C Anthony Risinger <anthony at extof.me>
>
>> On Sat, Jul 17, 2010 at 2:08 PM, Loui Chang <louipc.ist at gmail.com>
>> wrote:
>>> On Sat 17 Jul 2010 12:15 -0500, C Anthony Risinger wrote:
>>>> On Jul 17, 2010, at 11:42 AM, Loui Chang <louipc.ist at gmail.com>
>>>> wrote:
>>>>
>>>>> On Sat 17 Jul 2010 11:06 -0500, Victor Lowther wrote:
>>>>>> Oh, I do.  I would just prefer to work with the package
>>>>>> management
>>>>>> framework, not work around it.
>>>>>
>>>>> I think this is something that hooks could do. It's a feature
>>>>> that's
>>>>> in brainstorming. Maybe you could help implement it.
>>>>>
>>>>> http://wiki.archlinux.org/index.php/User:Allan/Pacman_Hooks
>>>>
>>>> As a heads up, this (kernel rollbacks) is a planned feature of the
>>>> mkinitcpio-btrfs hook in AUR.  It will be implemented in one or
>>>> more
>>>> of about three ways:
>>>>
>>>> https://bbs.archlinux.org/viewtopic.php?pid=778395#p778395
>>>>
>>>> You must be using btrfs for / of course.
>>>
>>> So, that's not something that would work within the package
>>> management
>>> framework, is it?
>>
>> no, it would not.  it requires you to manually run the proper command
>> prior to upgrading.  it could be automated by either a pacman hook,
>> or
>> putting the command in a wrapper script around pacman.  there has
>> been
>> some big interest in rollback from a couple devs, so maybe it will
>> make its way into pacman/libalpm official, but idk.
>>
>> at any rate, it will be a solution to the kernel rollback problem,
>> and
>> will suffice for some; it's just that it requires a btrfs root.  the
>> next release will include this functionality, along with a tool to
>> work with/create system snapshots (and for use in said wrapper).
>>
>> C Anthony
>>