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

[Pasi Kärkkäinen]

Hi,

On Mon, Mar 04, 2019 at 04:22:19PM -0500, Karl Johnson wrote:
>    On Mon, Mar 4, 2019 at 6:13 AM Anthony PERARD
>    <[1]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
>      ([2]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: [3]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.
>

Yeah better to keep things as modules, like they have been.

btw upstream Linux 4.9 LTS kernel is now at 4.9.162 :)


>    Karl
> 

-- Pasi