On Fri, Feb 20, 2015 at 05:14:15PM +0100, Radim Krčmář wrote:
> 2015-02-19 23:28+0100, Kashyap Chamarthy:
> > On Thu, Feb 19, 2015 at 10:10:11PM +0100, Kashyap Chamarthy wrote:
> > > On Thu, Feb 19, 2015 at 05:02:22PM +0100, Radim Krčmář wrote:
[. . .]
> > Then, I did another test:
> >
> > - Rebooted into Kernel 3.20.0-0.rc0.git5.1.fc23.x86_64 on physical
> > host (L0).
> > - In L1, checked out the KVM tree, applied your patch and built
> > Kernel[*] from the current KVM tree and booted into the newly built
> > one, here too, I'm thrown into a dracut shell
>
> Weird, but considering that boot fails on L0 as well, I think it that
> basing off a different commit could help ...
What I missed to do was to build initramfs:
$ cd /boot
$ dracut initramfs-3.19.0+.img 3.19.0+ --force
Then I can boot. However, networking was hosed due to this bug[1] in
`dhclient` (Andrea Arcangeli said it's fixed for him in newest Kernels,
but unfortunately it's still not fixed for me as I noted in the bug.
Anyway, for the nVMX bug in question, I actually built a Fedora scratch
Kernel build[2], with your fix, which was successful[3]. I will test
with it once I get the networking fixed on the physical machine,
hopefully, early next week.
> > [*] Exactly, I built it this way:
> >
> > # Clone the tree
> > $ git://git.kernel.org/pub/scm/virt/kvm/kvm.git
> >
> > # Make a new branch:
> > $ git checkout -b nvmx_test
> > $ git describe
> > warning: tag 'for-linus' is really 'kvm-3.19-1' here
> > for-linus-14459-g49776d5
>
> Hm, it should say v3.19 -- does it stay the same if you do
> `git fetch && git checkout origin/master`?
>
> If it still does, please try to apply it on top of `git checkout v3.18`.
> (The one that one failed too.)
>
> > # Make a config file
> > $ make defconfig
>
> It would be safer to copy the fedora config (from /boot) to .config and
> do `make olddefconfig`.
That's actually what I did on my later compiles.
For now, as noted above, will test with the Fedora Kernel scratch build
I made.
[1] https://bugzilla.redhat.com/show_bug.cgi?id=1194809 -- `dhclient`
crashes on boot
[2] http://koji.fedoraproject.org/koji/taskinfo?taskID=9004708
[3] https://kojipkgs.fedoraproject.org//work/tasks/4708/9004708/build.log
--
/kashyap
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