Hi Bob, Thanks for your suggestions. My host machine(dom0) is running ubuntu14.04 and I installed xen hypervisor by running either "apt-get install xen-hypervisor-4.4-amd64" or "apt-get install nova-compute-xen". I check and do not find xencommons in /etc/init.d. Only xen and xendomains exist in that dir. "apt-file search xencommons" does not return any package. No qemu process is running in dom0.
I am not sure how to move forward. I will try to compile and install xen from source and see whether I can get xencommons installed. If you have some suggestions with this, please let me know. Thanks, I will try to follow the following two links. In their installation, they seem to have xencommons installed. http://wiki.sebeka.k12.mn.us/virt:xen_4.4_14.04 http://pravinchavan.wordpress.com/2013/08/14/xen-hypervisor-setup/ -Xing On Thu, Nov 6, 2014 at 6:09 AM, Bob Ball <[email protected]> wrote: > Hi Xing, > > > > It may be that the dom0 qemu helper process is not running. It seems a > very similar issue was tracked down to this on the thread at > http://lists.xen.org/archives/html/xen-users/2014-05/msg00134.html > > > > Ian C pointed out that this helper process is normally started by the > xencommons script. > > > > I hope this solves the issue. > > > > Thanks, > > > > Bob > > > > *From:* Xing Lin [mailto:[email protected]] > *Sent:* 05 November 2014 21:38 > *To:* [email protected] > *Subject:* [Openstack] openstack + libvirt + xl for xen > > > > Hi, > > > > I am aware that Xen via libvirt is in the group C support but since I am > not able to install xenserver iso at compute machines I have, I have to > consider to use xen with libvirt. I have three nodes, each one running > ubuntu 14.04. I follow the instruction to install juno in ubuntu 14.04 and > it works (I can create instances from horizon) when I use kvm as the > hypervisor at the compute node . However, if I switch to use xen as the > hypervisor, it will fail to create instances. Note that I am able to create > a xen guest with virt-install from command line, with the following > command. So, I believe I am quite close to get libvirt + xl work for > openstack. Any help will be highly appreciated! Thanks, > > > > "$ virt-install --connect=xen:/// --name u14.04.3 --ram 1024 --disk > u14.04.3.img,size=4 --location > http://ftp.ubuntu.com/ubuntu/dists/trusty/main/installer-amd64/ --network > bridge=virbr0" > > > > libxl log when creating an instance, launched from horizon (failed). > > ------------------ > > libxl: debug: libxl_create.c:1342:do_domain_create: ao 0x7f4e5c001890: > create: how=(nil) callback=(nil) poller=0x7f4e5c000c50 > > libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk > vdev=sda spec.backend=qdisk > > libxl: debug: libxl_create.c:797:initiate_domain_create: running bootloader > > libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk > vdev=(null) spec.backend=qdisk > > libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk > vdev=xvda spec.backend=qdisk > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister: watch > w=0x7f4e5c001e20: deregister unregistered > > libxl: debug: libxl.c:2712:local_device_attach_cb: locally attaching qdisk > /dev/xvda > > libxl: error: libxl_device.c:1224:libxl__wait_for_backend: Backend > /local/domain/0/backend/qdisk/0/51712 not ready > > libxl: error: libxl_bootloader.c:405:bootloader_disk_attached_cb: failed > to attach local disk for bootloader execution > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister: watch > w=0x7f4e5c001f48: deregister unregistered > > libxl: error: libxl_bootloader.c:276:bootloader_local_detached_cb: unable > to detach locally attached disk > > libxl: error: libxl_create.c:1022:domcreate_rebuild_done: cannot > (re-)build domain: -3 > > libxl: debug: libxl_event.c:1591:libxl__ao_complete: ao 0x7f4e5c001890: > complete, rc=-3 > > libxl: debug: libxl_create.c:1356:do_domain_create: ao 0x7f4e5c001890: > inprogress: poller=0x7f4e5c000c50, flags=ic > > libxl: debug: libxl_event.c:1563:libxl__ao__destroy: ao 0x7f4e5c001890: > destroy > > xc: debug: hypercall buffer: total allocations:24 total releases:24 > > xc: debug: hypercall buffer: current allocations:0 maximum allocations:2 > > xc: debug: hypercall buffer: cache current size:2 > > xc: debug: hypercall buffer: cache hits:20 misses:2 toobig:2 > > libxl: debug: libxl_create.c:1342:do_domain_create: ao 0x7f4e540083e0: > create: how=(nil) callback=(nil) poller=0x7f4e54007fb0 > > .... > > -------------------- > > > > > > libxl log when creating an instance with virt-install from command line > (succeed). > > -------------------- > > libxl: debug: libxl_create.c:1342:do_domain_create: ao 0x7f4e641b3ba0: > create: how=(nil) callback=(nil) poller=0x7f4e640a94d0 > > libxl: debug: libxl_device.c:251:libxl__device_disk_set_backend: Disk > vdev=xvda spec.backend=unknown > > libxl: debug: libxl_device.c:197:disk_try_backend: Disk vdev=xvda, backend > phy unsuitable as phys path not a block device > > libxl: debug: libxl_device.c:286:libxl__device_disk_set_backend: Disk > vdev=xvda, using backend qdisk > > libxl: debug: libxl_create.c:797:initiate_domain_create: running bootloader > > libxl: debug: libxl_bootloader.c:327:libxl__bootloader_run: no bootloader > configured, using user supplied kernel > > libxl: debug: libxl_event.c:618:libxl__ev_xswatch_deregister: watch > w=0x7f4e641cd2f8: deregister unregistered > > libxl: debug: libxl_numa.c:475:libxl__get_numa_candidate: New best NUMA > placement candidate found: nr_nodes=1, nr_cpus=8, nr_vcpus=9, > free_memkb=1293 > > libxl: detail: libxl_dom.c:195:numa_place_domain: NUMA placement candidate > with 1 nodes, 8 cpus and 1293 KB free selected > > domainbuilder: detail: xc_dom_allocate: cmdline="method= > http://ftp.ubuntu.com/ubuntu/dists/trusty/main/installer-amd64/";, > features="(null)" > > libxl: debug: libxl_dom.c:357:libxl__build_pv: pv kernel mapped 0 path > /var/lib/xen/virtinst-vmlinuz.mBNvPH > > domainbuilder: detail: xc_dom_kernel_file: > filename="/var/lib/xen/virtinst-vmlinuz.mBNvPH" > > domainbuilder: detail: xc_dom_malloc_filemap : 5643 kB > > domainbuilder: detail: xc_dom_ramdisk_file: > filename="/var/lib/xen/virtinst-initrd.gz.Br5nZP" > > domainbuilder: detail: xc_dom_malloc_filemap : 20758 kB > > domainbuilder: detail: xc_dom_boot_xen_init: ver 4.4, caps xen-3.0-x86_64 > xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 > > domainbuilder: detail: xc_dom_parse_image: called > > domainbuilder: detail: xc_dom_find_loader: trying multiboot-binary loader > ... > > domainbuilder: detail: loader probe failed > > domainbuilder: detail: xc_dom_find_loader: trying Linux bzImage loader ... > > domainbuilder: detail: xc_dom_malloc : 18898 kB > > domainbuilder: detail: xc_dom_do_gunzip: unzip ok, 0x5761bf -> 0x12749b8 > > domainbuilder: detail: loader probe OK > > ... > > ------------------ > > > > -Xing > > >
_______________________________________________ Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack Post to : [email protected] Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
