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[alpine-devel] Xen-guest-only kernel configs?

Dubiousjim
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Congrats to Natanael and everyone else who helped get 2.6 into shape!

I've got Alpine installed as a Xen guest on a Linode instance. To do
this, I built my own stripped-down Xen-guest-only kernels. (The x86_64
linux-grsec also worked, but the x86 one doesn't have Xen stuff turned
on. I didn't try Alpine's linux-xen package, which is intended for Xen
hosting, and so enables stuff I didn't need/want on my guest instances).

If anyone else is interested in these stripped-down kernel configs,
perhaps we could make an additional kernel package. Or I could at least
post the current version in a gist for others to lookup if they ever
have the need down the road (and stumble across this email).

They're here: https://gist.github.com/dubiousjim/5538673. That's
currently for 3.8.11, but I have versions for kernel 3.9.2, too. I'll
update the gist files sometime soon.

-- 
Jim Pryor
jim@jimpryor.net



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Dubiousjim
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On Fri, May 17, 2013, at 02:04 PM, Natanael Copa wrote:
> > If anyone else is interested in these stripped-down kernel configs,
> > perhaps we could make an additional kernel package. 
> 
> Yes, I am interested, but I'd like a kernel for a generic virtual guest
> that works for xen, kvm, virtualbox, vmware and hyper-v. We have the
> linux-virt-grsec kernel for this purpose
> http://git.alpinelinux.org/cgit/aports/tree/testing/linux-virt-grsec
> 
> Unfortunally, it is lagging behind. If you use it and plan to maintain
> it anyways... maybe you could help us maintain it?
> 
> I would be ok to start over with your config and then add other virtual
> drivers on request.

Ok, that makes a lot of sense. I hadn't grokked what that kernel package
was for. When I get a chance, I'll work on merging my configs and the
configs from that existing package.



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Natanael Copa
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On Fri, 17 May 2013 13:20:25 -0400
Dubiousjim <lists+alpine-devel@jimpryor.net> wrote:

> Congrats to Natanael and everyone else who helped get 2.6 into shape!

Thanks!
 
> I've got Alpine installed as a Xen guest on a Linode instance. To do
> this, I built my own stripped-down Xen-guest-only kernels. (The x86_64
> linux-grsec also worked, but the x86 one doesn't have Xen stuff turned
> on.

Yes, to support older hw. (if you have really acient hw, what distro
would you pick?)

...

> If anyone else is interested in these stripped-down kernel configs,
> perhaps we could make an additional kernel package. 

Yes, I am interested, but I'd like a kernel for a generic virtual guest
that works for xen, kvm, virtualbox, vmware and hyper-v. We have the
linux-virt-grsec kernel for this purpose
http://git.alpinelinux.org/cgit/aports/tree/testing/linux-virt-grsec

Unfortunally, it is lagging behind. If you use it and plan to maintain
it anyways... maybe you could help us maintain it?

I would be ok to start over with your config and then add other virtual
drivers on request.

> Or I could at
> least post the current version in a gist for others to lookup if they
> ever have the need down the road (and stumble across this email).
> 
> They're here: https://gist.github.com/dubiousjim/5538673. That's
> currently for 3.8.11, but I have versions for kernel 3.9.2, too. I'll
> update the gist files sometime soon.

Thanks for sharing!

-nc


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Leonardo Arena
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Il giorno ven, 17/05/2013 alle 14.23 -0400, Dubiousjim ha scritto:
> On Fri, May 17, 2013, at 02:04 PM, Natanael Copa wrote:
> > > If anyone else is interested in these stripped-down kernel configs,
> > > perhaps we could make an additional kernel package. 
> > 
> > Yes, I am interested, but I'd like a kernel for a generic virtual guest
> > that works for xen, kvm, virtualbox, vmware and hyper-v. We have the
> > linux-virt-grsec kernel for this purpose
> > http://git.alpinelinux.org/cgit/aports/tree/testing/linux-virt-grsec
> > 
> > Unfortunally, it is lagging behind. If you use it and plan to maintain
> > it anyways... maybe you could help us maintain it?
> > 
> > I would be ok to start over with your config and then add other virtual
> > drivers on request.
> 
> Ok, that makes a lot of sense. I hadn't grokked what that kernel package
> was for. When I get a chance, I'll work on merging my configs and the
> configs from that existing package.

I just pushed today testing/linux-virt-3.9.3.
I tested that booted in qemu, and it worked. If there's something
missing/broken, please just let me know.

Thanks!

- leo
Bartłomiej Piotrowski
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On 2013-05-27 18:20, Leonardo Arena wrote:
> Il giorno ven, 17/05/2013 alle 14.23 -0400, Dubiousjim ha scritto:
>> On Fri, May 17, 2013, at 02:04 PM, Natanael Copa wrote:
>>>> If anyone else is interested in these stripped-down kernel configs,
>>>> perhaps we could make an additional kernel package. 
>>>
>>> Yes, I am interested, but I'd like a kernel for a generic virtual guest
>>> that works for xen, kvm, virtualbox, vmware and hyper-v. We have the
>>> linux-virt-grsec kernel for this purpose
>>> http://git.alpinelinux.org/cgit/aports/tree/testing/linux-virt-grsec
>>>
>>> Unfortunally, it is lagging behind. If you use it and plan to maintain
>>> it anyways... maybe you could help us maintain it?
>>>
>>> I would be ok to start over with your config and then add other virtual
>>> drivers on request.
>>
>> Ok, that makes a lot of sense. I hadn't grokked what that kernel package
>> was for. When I get a chance, I'll work on merging my configs and the
>> configs from that existing package.
> 
> I just pushed today testing/linux-virt-3.9.3.
> I tested that booted in qemu, and it worked. If there's something
> missing/broken, please just let me know.
> 
> Thanks!
> 
> - leo
> 

And 2 days ago I upgraded it to 3.9.4 -- everything works so far under
Xen and KVM. Is anyone against moving it to main?

-- 
Bartłomiej Piotrowski
http://bpiotrowski.pl/
Leonardo Arena
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Il giorno dom, 02/06/2013 alle 12.31 +0200, Bartłomiej Piotrowski ha
scritto:
> On 2013-05-27 18:20, Leonardo Arena wrote:
> > Il giorno ven, 17/05/2013 alle 14.23 -0400, Dubiousjim ha scritto:
> >> On Fri, May 17, 2013, at 02:04 PM, Natanael Copa wrote:
> >>>> If anyone else is interested in these stripped-down kernel configs,
> >>>> perhaps we could make an additional kernel package. 
> >>>
> >>> Yes, I am interested, but I'd like a kernel for a generic virtual guest
> >>> that works for xen, kvm, virtualbox, vmware and hyper-v. We have the
> >>> linux-virt-grsec kernel for this purpose
> >>> http://git.alpinelinux.org/cgit/aports/tree/testing/linux-virt-grsec
> >>>
> >>> Unfortunally, it is lagging behind. If you use it and plan to maintain
> >>> it anyways... maybe you could help us maintain it?
> >>>
> >>> I would be ok to start over with your config and then add other virtual
> >>> drivers on request.
> >>
> >> Ok, that makes a lot of sense. I hadn't grokked what that kernel package
> >> was for. When I get a chance, I'll work on merging my configs and the
> >> configs from that existing package.
> > 
> > I just pushed today testing/linux-virt-3.9.3.
> > I tested that booted in qemu, and it worked. If there's something
> > missing/broken, please just let me know.
> > 
> > Thanks!
> > 
> > - leo
> > 
> 
> And 2 days ago I upgraded it to 3.9.4 -- everything works so far under
> Xen and KVM. Is anyone against moving it to main?
> 

We don't have an official maintainer yet iirc. I don't ncopa is keen on
maintaining it. I can help with maintaining it, but I'd welcome an
hand :)

I didn't test it extensively, but I don't have objection in moving it to
main if we have maintainer(s).

- leo
Leonardo Arena
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Il giorno dom, 02/06/2013 alle 13.19 +0200, Leonardo Arena ha scritto:
> Il giorno dom, 02/06/2013 alle 12.31 +0200, Bartłomiej Piotrowski ha
> scritto:
> > On 2013-05-27 18:20, Leonardo Arena wrote:
> > > Il giorno ven, 17/05/2013 alle 14.23 -0400, Dubiousjim ha scritto:
> > >> On Fri, May 17, 2013, at 02:04 PM, Natanael Copa wrote:
> > >>>> If anyone else is interested in these stripped-down kernel configs,
> > >>>> perhaps we could make an additional kernel package. 
> > >>>
> > >>> Yes, I am interested, but I'd like a kernel for a generic virtual guest
> > >>> that works for xen, kvm, virtualbox, vmware and hyper-v. We have the
> > >>> linux-virt-grsec kernel for this purpose
> > >>> http://git.alpinelinux.org/cgit/aports/tree/testing/linux-virt-grsec
> > >>>
> > >>> Unfortunally, it is lagging behind. If you use it and plan to maintain
> > >>> it anyways... maybe you could help us maintain it?
> > >>>
> > >>> I would be ok to start over with your config and then add other virtual
> > >>> drivers on request.
> > >>
> > >> Ok, that makes a lot of sense. I hadn't grokked what that kernel package
> > >> was for. When I get a chance, I'll work on merging my configs and the
> > >> configs from that existing package.
> > > 
> > > I just pushed today testing/linux-virt-3.9.3.
> > > I tested that booted in qemu, and it worked. If there's something
> > > missing/broken, please just let me know.
> > > 
> > > Thanks!
> > > 
> > > - leo
> > > 
> > 
> > And 2 days ago I upgraded it to 3.9.4 -- everything works so far under
> > Xen and KVM. Is anyone against moving it to main?
> > 
> 
> We don't have an official maintainer yet iirc. I don't ncopa is keen on
> maintaining it. I can help with maintaining it, but I'd welcome an
> hand :)
> 
> I didn't test it extensively, but I don't have objection in moving it to
> main if we have maintainer(s).
> 
> - leo

Just tested under my KVM VPS and it hangs at this:

"rtc_cmos 00:00: setting system clock to 2013-06-02 12:26:31 UTC
(1370175991)"

I think we should disable this option:

CONFIG_GENERIC_CMOS_UPDATE=y

I'll build a new release with above option disabled tm.

- leo