Re: [libvirt] hugepages error: "hugetlbfs filesystem is not mounted"

On 03.10.11 12:24, Daniel P. Berrange wrote: > On Mon, Oct 03, 2011 at 01:09:31PM +0200, Shahar Havivi wrote: > > Hi, > > > > I am trying to run a VM (via VDSM) with hugepages and I am getting this error: > > "virNetClientProgramDispatchError:170 : internal error hugetlbfs filesystem is not mounted" > > > > > > hugepages is mounted with the proper permissions (36:36) in case of vdsm user, > > this code use to work..., now I am at version: libvirt-0.9.4-12.el6.x86_64 > > > > output of few commands: > > > > # tree /dev/hugepages/ > > /dev/hugepages/ > > `-- libvirt > > `-- qemu > > > > # ll -n /dev/hugepages/libvirt/ > > total 0 > > drwxr-xr-x 2 36 36 0 Oct 3 12:46 qemu/ > > The user ID '36:36' looks a little bit strange. Did you set that this is the userid that vdsm use > yourself ? When libvirtd starts up, it should detect the mount > point and then create the $MOUNT/libvirt/qemu directory itself, > setting up the correct userid/groupid which i'd expect to be > 107:107 on Fedora/Rhel > > In addition, was the hugetlbfs mount point actually mounted at > the time libvirtd was started up ? If you mount hugetlbfs after > starting libvirtd, you will need to restart it to enable hugetlbs > in libvirtd. No, it was not mounted prior to libvirt startup