Date: Mon, 2 Jul 2012 08:40:28 +0200
From: Natanael Copa <ncopa@alpinelinux.org>
To: Dean Takemori <deant@hawaii.rr.com>
Cc: alpine-devel@lists.alpinelinux.org
Subject: Re: [alpine-devel] Notes on Alpine 2.4.2 in Amazon EC2
Message-ID: <20120702084028.6a0938d3@ncopa-desktop.nor.wtbts.net>
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On Fri, 29 Jun 2012 23:38:44 -1000
Dean Takemori <deant@hawaii.rr.com> wrote:

> > From: Natanael Copa <ncopa_at_alpinelinux.org> 
> > Date: Wed, 30 May 2012 21:45:37 +0200
> > 
> > On Wed, 30 May 2012 23:25:53 +0530 
> > "V.Krishn" <vkrishn4_at_gmail.com> wrote: 
> > 
> > > On Tuesday, May 29, 2012 08:39:56 PM Natanael Copa wrote: 
> > > > On Sun, 27 May 2012 09:00:47 -0700 
> > > > 
> > > > Nathan Angelacos <nangel_at_alpinelinux.org> wrote: 
> > > > > * Booting the 64bit kernel reports: 
> > > > > can only boot x86 32 PAE kernels, not xen-3.0-x86_64 
> > > > > Error 13: Invalid or unsupported executable format 
> > > > 
> > > > I built a kernel dedicated for virtual guests. One of the goals
> > > > is to make it as small as possible. I have no idea if it even
> > > > boots at this point but feedback is welcome. 
> > > > 
> > > > I'd like it to include drivers for qemu/kvm, xen, vmware,
> > > > virtualbox and hyper-v guests. 
> > > > 
> > > > It is in edge/testing and is named linux-virt-grsec. 
> > > > 
> > > 
> > > Can we see a bootable iso in edge/releases or a wiki help page on
> > > how to create one. It would be great to have a lighter iso suited
> > > for virtual guests. I could test using kvm and install/test
> > > pmreader on it.
> > > (http://insteps.net/pr/a/pmwiki/Apps/PmReader-help-v1-1) 
> > 
> > I built one for testing 
> > http://dev.alpinelinux.org/~ncopa/alpine/alpine-virt/ 
> 
> Hi,
> 
> I've tried the alpine-virt-120531-x86.iso as a PV guest under 
> Xen (32 and 64 bit Centos 5 and 64 bit Fedora 17), and it appears
> to run up against this bug:
> 
> https://bugzilla.redhat.com/show_bug.cgi?id=829016#c4

Great! I never got the x86 PV guest working but never found out why.
Thanks!

> Namely "unable to handle kernel paging request" in atomic64_read_cx8
> 
> Looks like a patch is going in for upstream:
> 
> http://lists.xen.org/archives/html/xen-devel/2012-06/msg00486.html
> 
> But for current Alpine, if it's not too much trouble, could you guys 
> generate a kernel/iso with CONFIG_TRANSPARENT_HUGEPAGE=n

I think I would prefer apply that patch if it works.

Could we test the patch first? I can apply it to the linux-virt-grsec
first, create a new alpine-virt iso and if successful try it on the
default kernel too.

Thanks!

> Thanks,
> 
> -dean takemori
> 
> 
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