[CentOS] CentOS 5.8 update

Johnny Hughes johnny at centos.org
Sun Mar 11 10:12:35 EDT 2012


On 03/10/2012 10:57 PM, Johnny Hughes wrote:
> On 03/10/2012 08:12 PM, Markus Falb wrote:
>> On 9.3.2012 09:43, Rainer Traut wrote:
>>> Am 08.03.2012 15:37, schrieb Markus Falb:
>>>
>>>> I read your original message regarding this
>>>> https://www.redhat.com/archives/rhelv5-list/2012-February/msg00060.html
>>>>
>>>> according to your experiences only upgrading kvm hosts are problematic?
>>>> so upgrading only guests to 5.8 is maybe fine?
>>> I have had limited time of testing so I'd take this with a grain of 
>>> salt. After experiencing the NFS problem I rolled all the KVM hosts and 
>>> guests back to 5.7 kernel and kvm module.
>> Actually it hit me too. 2 guests on the same hosts went unresponsive.
>> The kernel on the host was not updated but kvm and kmod-kvm was.
>> I try with downgraded kvm and kmod-kvm on the host and downgraded kernel
>> on the guests like you did.
>>
>> sigh
> I upgraded the kernel to kernel-2.6.18-308.1.1.el5 (also latest kvm and
> libvirt) on my host on Thursday night and have had no issues for more
> than 2 days.

And, now it has crashed.  So whatever the issue is, the
kernel-2.6.18-308.1.1.el5 does not fix it.  As suggested on the RHEL5
list, I have shifted the problem VMs off of the virtio disk driver and
to the standard driver.  you do this as detailed in this mail:

https://www.redhat.com/archives/rhelv5-list/2012-March/msg00017.html

We will see if this fixes the issue.

I have created an upstream bugzilla entry here:

https://bugzilla.redhat.com/show_bug.cgi?id=802118

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