[PVE-User] Problem with Centos 5.X virtio ethernet drivers and last PVE updates

[Eneko Lacunza]

What physical network interface make/model in Proxmox node?

El 23/7/20 a las 21:21, richard lucassen escribió:
> On Thu, 23 Jul 2020 12:11:19 +0200
> Roland <devzero at web.de> wrote:
>
> I run a Debian Lenny VM:
>
> # cat /etc/issue.net
> Debian GNU/Linux 5.0
>
> # modinfo virtio_net
> filename:       /lib/modules/2.6.26-2-686/kernel/drivers/net/virtio_net.ko
> license:        GPL
> description:    Virtio network driver
> alias:          virtio:d00000001v*
> depends:
> vermagic:       2.6.26-2-686 SMP mod_unload modversions 686
> parm:           napi_weight:int
> parm:           csum:bool
> parm:           gso:bool
>
> Proxmox host version 5.4:
>
> # cat /proc/version
> Linux version 4.15.18-30-pve (root at nora) (gcc version 6.3.0 20170516
> (Debian 6.3.0-18+deb9u1)) #1 SMP PVE 4.15.18-58 (Fri, 12 Jun 2020
> 13:53:01 +0200)
>
> I upgraded from 4.15.18-27-pve to 4.15.18-30-pve and then the virtio
> driver became very unstable. This machine has run for many years on
> multiple versions of Proxmox (IIRC from version 1) without any problem.
>
> R.
>
>> i see that my centos 5.11 VM should have support for virtio (see
>> below) and according to https://access.redhat.com/articles/2488201
>> rhel/centos supports this since 5.3.
>>
>> so if virtio worked before a proxmox update,  then i would call this a
>> regression.
>>
>> can you tell which proxmox version worked for you with virtio ?
>>
>> i tested centos 5.11 installer on my older pve 6.0-4 (5.0.15-1-pve
>> kernel) , but it does not find virtual disks.
>>
>> roland
>>
>> [root at hr-neu ~]# uname -aLinux hr-neu 2.6.18-398.el5 #1 SMP Tue Sep 16
>> 20:50:52 EDT 2014 x86_64 x86_64 x86_64 GNU/Linux
>>
>>
>> [root at centos5 ~]# cat /etc/redhat-release
>> CentOS release 5.11 (Final)
>> [root at centos5 ~]# rpm -q kernel --changelog|grep virtio|grep 446214
>> - [xen] virtio: include headers in kernel-headers package (Eduardo
>> Pereira Habkost ) [446214]
>> - [xen] virtio: add PV network and block drivers for KVM (Mark
>> McLoughlin ) [446214]
>> - [xen] virtio: include headers in kernel-headers package (Eduardo
>> Pereira Habkost ) [446214]
>> - [xen] virtio: add PV network and block drivers for KVM (Mark
>> McLoughlin ) [446214]
>>
>> Am 23.07.20 um 10:22 schrieb richard lucassen:
>>> On Tue, 21 Jul 2020 11:06:27 +0200
>>> Michael Rasmussen via pve-user <pve-user at lists.proxmox.com> wrote:
>>>
>>>> On Tue, 21 Jul 2020 10:41:54 +0200
>>>> richard lucassen <mailinglists at lucassen.org> wrote:
>>>>
>>>>> network. There is definitly something wrong somewhere.
>>>>>
>>>> The only thing wrong here is that you a running a version of
>>>> RHEL/CentOS which is in maintenance support 2. This means there
>>>> will be no more updates except critical bugs. As of March 31, 2017
>>>> it is considered in deep freeze!
>>> I know. But sometimes you need to keep an old version and a good
>>> way to handle this is to run such an old version in a virtual
>>> environment. A vhost supplies virtual hardware and apparently this
>>> virtual hardware has changed. This is not A Good Thing IMHO.
>>>
>>> It runs well under subversion 27 of the pve kernel but has stopped
>>> under version 30. So I think this is a bug as I do not expect design
>>> changes between subversion 27 and 30.
>>>
>>> R.
>>>
>


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Eneko Lacunza                   | Tel.  943 569 206
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