[Spacewalk-list] Schedule kernel upgrade result in kernel panic

Lionel Caignec caignec at cines.fr
Fri Sep 16 06:52:43 UTC 2016


Perhaps this is a bug of the rhnsd agent for Rhel7 which is timing out during kernel update process (which is long).
Is it a config file which can defer between Rhel7 and Rhel6?


----- Mail original -----
De: "Lionel Caignec" <caignec at cines.fr>
À: "spacewalk-list" <spacewalk-list at redhat.com>
Envoyé: Vendredi 16 Septembre 2016 08:43:32
Objet: Re: [Spacewalk-list] Schedule kernel upgrade result in kernel panic

Ok thank you i understand now why initramfs missing, i will look in "yum debug" log if it exists.

----- Mail original -----
De: "William H. ten Bensel" <WHTENBEN at up.com>
À: "spacewalk-list" <spacewalk-list at redhat.com>
Envoyé: Jeudi 15 Septembre 2016 21:09:37
Objet: Re: [Spacewalk-list] Schedule kernel upgrade result in kernel panic

- Schedule a kernel update from Web GUI, let spacewalk agent do it's job and get kernel update (/boot/initramfs.... missing) 

Just saw something similar today. 
Issue: Timed out (+2 hours) in the middle of the yum upgrade process. 
Solution: Reboot to previous kernel, run yum-complete-transaction, and reinstall the new kernel rpms. 


- Thanks and good luck 




From: Lionel Caignec <caignec at cines.fr> 
To: spacewalk-list <spacewalk-list at redhat.com> 
Date: 09/15/2016 04:34 AM 
Subject: Re: [Spacewalk-list] Schedule kernel upgrade result in kernel panic 
Sent by: spacewalk-list-bounces at redhat.com 




This email originated from outside of the company. Please use discretion if opening attachments or clicking on links. 

Hi, 

i'm still stuck, i cannot schedule a kernel update from spacewalk (web gui) to my CentOS 7 client, because at reboot my server go into "kernel panic" 

I don't understand the difference between this 2 way of doing : 
- Schedule a kernel update from Web GUI, let spacewalk agent do it's job and get kernel update (/boot/initramfs.... missing) 
- Schedule a kernel update from Web GUI, launch on client "rhn_chek" --> reboot with no problem on the newest kernel. 

All kernel version give this result, my spacewalk is in version 2.5, but i already have this bug in 2.4. 

How can i get debug log from spacewalk agent, perhaps there is something interisting in. 


Thank for helping 

-- 
Lionel 

----- Mail original ----- 
De: "Lionel Caignec" <caignec at cines.fr> 
À: "spacewalk-list" <spacewalk-list at redhat.com> 
Envoyé: Mardi 23 Août 2016 11:43:12 
Objet: Re: [Spacewalk-list] Schedule kernel errata upgrade result in kernel panic 

Hi, 

i use the webUI to schedule update. It's not related to one specific update, but all kernel update (it's a bug i've for months now.). When a new kernel is released i schedule update and reboot --> Result in "kernel panic". 

All my clients os are Centos 7 and RedHat 7. 

Lionel. 

----- Mail original ----- 
De: "Tomas Lestach" <tlestach at redhat.com> 
À: "spacewalk-list" <spacewalk-list at redhat.com> 
Envoyé: Mardi 23 Août 2016 11:16:52 
Objet: Re: [Spacewalk-list] Schedule kernel errata upgrade result in kernel panic 

Hello, please, help me understand your problem. 
You write: 
* if you "schedule a kernel errata update at reboot", there's an issue 
with initramfs, grub.cfg ... 
* if you "schedule upgrade with gui", everything's ok 

Does it mean the 1st case isn't via WebUI? Is it via API? 

Can you be more specific? What OS do you use on the client, what erratum 
are you scheduling for update? What way? ... 


Thanks, 
-- 
Tomas Lestach 
Red Hat Satellite Engineering 


On 08/23/2016 10:54 AM, Lionel Caignec wrote: 
> Hi, 
> 
> i've a annoying bug with spacewalk. When i schedule a kernel errata update at reboot my server is going into kernel panic. 
> 
> After some time i've found that initramfs was not generated during update phase. Moreover in grub.cfg the line "initrd ..." is missing. 
> If i boot with an old kernel and i launch "yum reinstall kernel" server will boot without problem on new kernel. 
> 
> 
> But if i schedule upgrade with gui, and then use "rhn_check -vvv" on my server there is no problem. 
> 
> Someone could help me? What do i missing? 
> 
> 
> Thanks, 
> 
> -- 
> Lionel Caignec 
> 
> Centre Informatique National de l' Enseignement Supérieur 
> 950 rue de Saint Priest 
> 34097 MONTPELLIER Cedex 5 
> Tel : (33) 04 67 14 14 14 
> Fax : (33)04 67 52 37 63 
> http://www.cines.fr 
> 
> _______________________________________________ 
> Spacewalk-list mailing list 
> Spacewalk-list at redhat.com 
> https://www.redhat.com/mailman/listinfo/spacewalk-list 
> 
> 

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