[CentOS-virt] CentOS virt-sig Linux kernel 4.9.155 build

Mon Mar 4 21:22:19 UTC 2019
Karl Johnson <karljohnson.it at gmail.com>

On Mon, Mar 4, 2019 at 6:13 AM Anthony PERARD <anthony.perard at citrix.com>
wrote:

> On Wed, Feb 27, 2019 at 03:12:40PM -0500, Karl Johnson wrote:
> > I built 4.9.161, works for me on el6:
> >
> > [root at node-tmp1 ~]# cat /proc/version
> > Linux version 4.9.161-34.el6.x86_64 (mockbuild at build.aerisnetwork.net)
> (gcc
> > version 7.3.1 20180303 (Red Hat 7.3.1-5) (GCC) ) #1 SMP Wed Feb 27
> 09:48:40
> > EST 2019
> >
> > Only one strange thing, I had to run grub-install because Grub couldn't
> > find root device after reboot, not sure this has something to do with the
> > kernel upgrade.
> > Kernel 4.9.161 doesn't have the patch for CVE-2019-8912 yet so we might
> > wait until it get released.
> >
> > I updated my PR: https://github.com/CentOS-virt7/xen-kernel/pull/18
>
> Hi Karl, I've build and tested your PR, but without the GCC7 patch, and
> when I've tested it on el6, none of the guests had network access.
> I had to revert the bridge changes to have them working
> (CONFIG_BRIDGE_NETFILTER=m and CONFIG_BRIDGE=m).
>
> Why did you want the BRIDGE built-in instead of a module?
>
> Maybe you have something to setup the bridge (probably filter) properly,
> or maybe something is different in the xen package between el6 and el7.
> Any idea?
>
> I still have to investigate the Xen pkg, and have a closer look at those
> tests I'm running.
>
>
>
Hum strange. I switched from module to built-in because I always had a
deprecated warning about bridge when booting CentOS 6 (and I guess everyone
needs bridge?). I don't remember what was the exact warning because it's
been a long time since I switched it. I don't mind to put it back as a
module, both works for me but the warning is gone when built-in.

Karl
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