On Thu, Sep 21, 2017 at 5:55 PM, Fabian Arrotin <arrfab@xxxxxxxxxx> wrote:
> On 21/09/17 16:44, Todor Petkov wrote:
>> Hello,
>>
>> I stumbled upon a strange problem with CentOS upgrade on XenServer
>> environment, and I would like to ask if someone has this issue as
>> well:
>>
>> XenServer 7.1, the VM is CentOS7, with kernel
>> 3.10.0-514.26.2.el7.x86_64 running in PV mode
>> When I upgrade the kernel (running with yum update kernel), after
>> reboot in the VM console it says "dracut-pre-udev[212]: modprobe:
>> ERROR: could not insert 'dm-mod': Cannot allocate memory" and after a
>> while it drops to dracut shell
>>
>> If I boot from from an old kernel with the updated kexec-tools/dracut,
>> it's fine.
>>
>> Anyone experiencing this issue?
>>
>> Regards,
>
> Yes, and it's listed in the Release Notes
> (https://wiki.centos.org/Manuals/ReleaseNotes/CentOS7#head-281c090cc4fbc6bb5c7d4cd82a266fce807eee7c)
> ....
>
> So you can't run in PV mode with the 7.4.1708 kernel, but you can use
> the centosplus kernel, which has the added patch/config.
>
> --
> Fabian Arrotin
> The CentOS Project | http://www.centos.org
> gpg key: 56BEC54E | twitter: @arrfab
>
>
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>
Thanks, I missed this one.
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