CentOS virt - Mar 2017 - Xen C6 kernel 4.9.13 and testing 4.9.15 only reboots.

On 03/21/2017 07:48 AM, PJ Welsh wrote:
> On Mon, Mar 20, 2017 at 5:21 PM, Ricardo J. Barberis
> <ricardo at palmtx.com.ar <mailto:ricardo at palmtx.com.ar>>
wrote:
> 
>     El Lunes 20/03/2017, PJ Welsh escribi?:
>     > Still just starts the kernel and wihtin 4 seconds reboots with
4.9.16-24.
>     > Thanks
>     > PJ
> 
>     Edit grub's entry and add "noreboot" to your xen
parameters, maybe
>     when the
>     kernel panicks xen detects it and automatically reboots it.
> 
> 
> 
> "noreboot" grub.conf option still produced nothing other than a
flashing
> cursor on the top left. Also, neither num-lock nor caps-lock respond at
> this time... I seem no closer with helpful information other than,
"it's
> broken" :(
> Here is the grub.conf stanza for the kernel:
> title CentOS (4.9.16-24.el6.centos.plus.x86_64)
> root (hd0,1)
> kernel /boot/xen.gz dom0_mem=3G,max:3G cpuinfo com1=115200,8n1
> console=com1,tty loglvl=all gue
> st_loglvl=all noreboot
> module /boot/vmlinuz-4.9.16-24.el6.centos.plus.x86_64 ro
> root=UUID=bc0727e1-882c-4fbc-a4d9-e4c
> f754d72b7 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD
> SYSFONT=latarcyrheb-sun16 crashkernel=auto  K
> EYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet reboot=pci max_loop=64
> module /boot/initramfs-4.9.16-24.el6.centos.plus.x86_64.img
Try removing "rhgb" and "quiet" from your boot options as
well.

-- 
Kevin Stange
Chief Technology Officer
Steadfast | Managed Infrastructure, Datacenter and Cloud Services
800 S Wells, Suite 190 | Chicago, IL 60607
312.602.2689 X203 | Fax: 312.602.2688
kevin at steadfast.net | www.steadfast.net

The last few lines are
NMI watchdog: disabled CPU0 hardware events not enabled
NMI watchdog: shutting down hard lockup detector on all CPUS
installing Xen timer for CPU1
installing Xen timer for CPU2
installing Xen timer for CPU3
installing Xen timer for CPU4
installing Xen timer for CPU5
installing Xen timer for CPU6

Here is the screen shot:
https://goo.gl/photos/yNQqaQY9bJBWQ84X8
It stops at CPU6. This is a dual socket server with 2x 6core L5639 CPUs (HT
disabled). I'm surprised to see it stop at 6.

Thanks
PJ




On Tue, Mar 21, 2017 at 1:39 PM, Kevin Stange <kevin at steadfast.net>
wrote:
> On 03/21/2017 07:48 AM, PJ Welsh wrote:
> > On Mon, Mar 20, 2017 at 5:21 PM, Ricardo J. Barberis
> > <ricardo at palmtx.com.ar <mailto:ricardo at
palmtx.com.ar>> wrote:
> >
> >     El Lunes 20/03/2017, PJ Welsh escribi?:
> >     > Still just starts the kernel and wihtin 4 seconds reboots
with
> 4.9.16-24.
> >     > Thanks
> >     > PJ
> >
> >     Edit grub's entry and add "noreboot" to your xen
parameters, maybe
> >     when the
> >     kernel panicks xen detects it and automatically reboots it.
> >
> >
> >
> > "noreboot" grub.conf option still produced nothing other
than a flashing
> > cursor on the top left. Also, neither num-lock nor caps-lock respond
at
> > this time... I seem no closer with helpful information other than,
"it's
> > broken" :(
> > Here is the grub.conf stanza for the kernel:
> > title CentOS (4.9.16-24.el6.centos.plus.x86_64)
> > root (hd0,1)
> > kernel /boot/xen.gz dom0_mem=3G,max:3G cpuinfo com1=115200,8n1
> > console=com1,tty loglvl=all gue
> > st_loglvl=all noreboot
> > module /boot/vmlinuz-4.9.16-24.el6.centos.plus.x86_64 ro
> > root=UUID=bc0727e1-882c-4fbc-a4d9-e4c
> > f754d72b7 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD
> > SYSFONT=latarcyrheb-sun16 crashkernel=auto  K
> > EYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet reboot=pci max_loop=64
> > module /boot/initramfs-4.9.16-24.el6.centos.plus.x86_64.img
>
> Try removing "rhgb" and "quiet" from your boot options
as well.
>
> --
> Kevin Stange
> Chief Technology Officer
> Steadfast | Managed Infrastructure, Datacenter and Cloud Services
> 800 S Wells, Suite 190 | Chicago, IL 60607
> 312.602.2689 X203 | Fax: 312.602.2688
> kevin at steadfast.net | www.steadfast.net
> _______________________________________________
> CentOS-virt mailing list
> CentOS-virt at centos.org
> https://lists.centos.org/mailman/listinfo/centos-virt
>
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As a follow up I was able to test fresh install on Dell R710 and a Dell
R620 with success on CentOS 7.3 without issue on the new kernel.  My new
plan will be to just move this C6 to one of the C7 I just created.

On Wed, Mar 22, 2017, 6:27 AM PJ Welsh <pjwelsh at gmail.com> wrote:
> The last few lines are
> NMI watchdog: disabled CPU0 hardware events not enabled
> NMI watchdog: shutting down hard lockup detector on all CPUS
> installing Xen timer for CPU1
> installing Xen timer for CPU2
> installing Xen timer for CPU3
> installing Xen timer for CPU4
> installing Xen timer for CPU5
> installing Xen timer for CPU6
>
> Here is the screen shot:
> https://goo.gl/photos/yNQqaQY9bJBWQ84X8
> It stops at CPU6. This is a dual socket server with 2x 6core L5639 CPUs
> (HT disabled). I'm surprised to see it stop at 6.
>
> Thanks
> PJ
>
>
>
>
> On Tue, Mar 21, 2017 at 1:39 PM, Kevin Stange <kevin at
steadfast.net> wrote:
>
> On 03/21/2017 07:48 AM, PJ Welsh wrote:
> > On Mon, Mar 20, 2017 at 5:21 PM, Ricardo J. Barberis
> > <ricardo at palmtx.com.ar <mailto:ricardo at
palmtx.com.ar>> wrote:
> >
> >     El Lunes 20/03/2017, PJ Welsh escribi?:
> >     > Still just starts the kernel and wihtin 4 seconds reboots
with
> 4.9.16-24.
> >     > Thanks
> >     > PJ
> >
> >     Edit grub's entry and add "noreboot" to your xen
parameters, maybe
> >     when the
> >     kernel panicks xen detects it and automatically reboots it.
> >
> >
> >
> > "noreboot" grub.conf option still produced nothing other
than a flashing
> > cursor on the top left. Also, neither num-lock nor caps-lock respond
at
> > this time... I seem no closer with helpful information other than,
"it's
> > broken" :(
> > Here is the grub.conf stanza for the kernel:
> > title CentOS (4.9.16-24.el6.centos.plus.x86_64)
> > root (hd0,1)
> > kernel /boot/xen.gz dom0_mem=3G,max:3G cpuinfo com1=115200,8n1
> > console=com1,tty loglvl=all gue
> > st_loglvl=all noreboot
> > module /boot/vmlinuz-4.9.16-24.el6.centos.plus.x86_64 ro
> > root=UUID=bc0727e1-882c-4fbc-a4d9-e4c
> > f754d72b7 rd_NO_LUKS rd_NO_LVM LANG=en_US.UTF-8 rd_NO_MD
> > SYSFONT=latarcyrheb-sun16 crashkernel=auto  K
> > EYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet reboot=pci max_loop=64
> > module /boot/initramfs-4.9.16-24.el6.centos.plus.x86_64.img
>
> Try removing "rhgb" and "quiet" from your boot options
as well.
>
> --
> Kevin Stange
> Chief Technology Officer
> Steadfast | Managed Infrastructure, Datacenter and Cloud Services
> 800 S Wells, Suite 190 | Chicago, IL 60607
> 312.602.2689 X203 | Fax: 312.602.2688
> kevin at steadfast.net | www.steadfast.net
> _______________________________________________
> CentOS-virt mailing list
> CentOS-virt at centos.org
> https://lists.centos.org/mailman/listinfo/centos-virt
>
>
>
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