On Wed, Feb 27, 2019 at 4:44 AM Pasi Kärkkäinen <pasik@xxxxxx> wrote:
Hi,
On Mon, Feb 11, 2019 at 12:49:30PM +0200, Pasi Kärkkäinen wrote:
> Hi,
>
> On Sun, Feb 10, 2019 at 10:35:56PM -0500, Karl Johnson wrote:
> > Hello,
> > I built 4.9.155 for both el6 and el7, you can test them here:
> > [1]https://repo.aerisnetwork.com/archive/kernel-4.9.155-34.el6.x86_64.rpm
> > [2]https://repo.aerisnetwork.com/archive/kernel-4.9.155-34.el7.x86_64.rpm
> > It works fine for me so far on el6, I'll update my pull request later on
> > GitHub with this version.
> > [root@node-tmp1 ~]# cat /proc/version
> > Linux version 4.9.155-34.el6.x86_64 ([3]mockbuild@xxxxxxxxxxxxxxxxxxxxxx)
> > (gcc version 7.3.1 20180303 (Red Hat 7.3.1-5) (GCC) ) #1 SMP Sun Feb 10
> > 11:20:04 EST 2019
>
> Great, thanks a lot! I'll give it a go.
>
With initial testing seems to work OK for me!
Meanwhile upstream kernel is up to v4.9.161, so let's update the sig-virt kernel to that version..
Karl: Can you prepare a PR?
Thanks,
-- Pasi
I built 4.9.161, works for me on el6:
[root@node-tmp1 ~]# cat /proc/version
Linux version 4.9.161-34.el6.x86_64 (mockbuild@xxxxxxxxxxxxxxxxxxxxxx) (gcc version 7.3.1 20180303 (Red Hat 7.3.1-5) (GCC) ) #1 SMP Wed Feb 27 09:48:40 EST 2019
Linux version 4.9.161-34.el6.x86_64 (mockbuild@xxxxxxxxxxxxxxxxxxxxxx) (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
Anthony Perard already tried to build my PR on the CBS but he was not able to enable the SCL repo (http://mirror.centos.org/centos/$releasever/sclo/$basearch/rh/) to get devtoolset-7. We might need to get help from centos-devel.
Karl
>
> -- Pasi
>
> > Karl
> >
> > On Sat, Feb 9, 2019 at 10:32 AM Pasi KÀrkkÀinen <[4]pasik@xxxxxx> wrote:
> >
> > Hello everyone,
> >
> > Some of you might remember discussions earlier in 2017 (huh, long time
> > ago) on centos-virt list about Linux kernel tty/ldisc related bug, which
> > caused Xen dom0 kernel crashes for some people (and also more easy to
> > trigger crashes on other arches, like on hp pa-risc), but the bug was
> > difficult to reproduce for others/most people.
> >
> > Fix for this issue was merged to centos virt-sig Linux 4.9.48-29 kernel
> > earlier in 2017, but reverted/deleted in 4.9.75-30 due to problems with
> > the patch. The patch in question was also merged to upstream Linux
> > kernel, and later reverted there aswell.
> >
> > But now finally the issue has been resolved in upstream Linux, and the
> > patches have been already backported to Linux 4.9.152 longterm stable
> > kernel. Changelog:
> > [5]https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.152
> > You can find the tty/ldisc patches there.
> >
> > So I propose we build the latest 4.9.155 kernel for CentOS virt-sig for
> > centos6 and centos7.
> >
> > Thanks,
> >
> > -- Pasi
> >
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