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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