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

Wed Feb 27 09:44:45 UTC 2019
Pasi Kärkkäinen <pasik at iki.fi>

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 at node-tmp1 ~]# cat /proc/version
> >    Linux version 4.9.155-34.el6.x86_64 ([3]mockbuild at build.aerisnetwork.net)
> >    (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


> 
> -- Pasi
> 
> >    Karl
> >
> >    On Sat, Feb 9, 2019 at 10:32 AM Pasi KÀrkkÀinen <[4]pasik at iki.fi> 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
> >