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Bug#550584: Initial triggers patch and tracking of highest kernel

On Wed, Mar 09, 2011 at 07:54:00PM +0100, Loïc Minier wrote:
>On Wed, Mar 09, 2011, Steve McIntyre wrote:
>> Can we work it out by looking at any kernels that are currently
>> installed, or checking in u-boot setup (or similar) which kernel it's
>> currently going to use? It bothers me a little that we need to keep
>> state somewhere, but I don't see a better way offhand. Would it be
>> better stored in /boot somewhere (yes, bikeshedding...) ?
> We can list /boot/vmlinuz-* or /boot/initrd-*; it does open the
> question of support for non-Debian kernels (e.g. self built ones),
> backups, or generally files hanging around there.  It also means we
> don't get the information the official way (according to kernel
> packaging policy).  grub does look at /boot/vmlinuz-* /boot/vmlinux-*
> /vmlinuz-* /vmlinux-* though, so why wouldn't we?  :-)


> It might or might not relate to installed kernels at all though, so
> that update-initramfs triggers flash-kernel and we flash and reflash
> the same local kernel again and again.

Yeah, but how are meant to know? It should be harmless, surely?

> /boot > I don't care, fine with me, and I might even prefer it
> depending on how many files we end up putting there.


>> How well will things cope with the New World Order where the kernel
>> team upload new kernels with an ABI of "trunk" during development
>> phases? I guess we can add extra logic to cope with that if necessary.
> Not sure why we'd need to do anything special there?

Neither do I *for definite*, but I know that other tools that rely on
kernel ABI have been thrown by the sort order of "trunk" vs "1", "2",
etc. so I'm raising it early in case it matters.

Steve McIntyre, Cambridge, UK.                                steve@einval.com
"It's actually quite entertaining to watch ag129 prop his foot up on
 the desk so he can get a better aim."          [ seen in ucam.chat ]

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