Xen project Mailing List

Re: [Xen-users] Full Virtualization: linux in linux?

To: Alex Iribarren <Alex.Iribarren@xxxxxxx>

Date: Wed, 16 Aug 2006 13:19:21 -0400

Delivery-date: Wed, 16 Aug 2006 10:20:12 -0700

List-id: Xen user discussion <xen-users.lists.xensource.com>

Openpgp: id=75993968

Alex Iribarren wrote: > Hi, > > I'm doing some tests of Xen with the latest Intel processors and I'd > like to run an unmodified linux inside a virtual machine. If possible, > I'd like to be able to install this OS (a version of Scientific Linux, > in case you're interested) from our PXE servers, but I can also install > it from a DVD image. > > I've seen several HOWTOs on running Windows like this, so I thought it > would be pretty similar. I basically replaced the Windows CD image for > an SL image, but I haven't been able to get it to work. I get this: > > xenmaster ~ # xm create -c /etc/xen/slc43.hvm > Using config file "/etc/xen/slc43.hvm". > Started domain SLC43 > xenconsole: Could not read tty from store: No such file or directory > xenmaster ~ # xm list > Name ID Mem(MiB) VCPUs State Time(s) > Domain-0 0 343 4 r----- 11909.8 > SLC43 36 2048 1 -b---- 0.0 > > The virtual machine is apparently up, but I can't (or don't know how to) > connect to it, it just sits there blocked. The same thing happens if I > use SDL and VNC. I've googled to see if I could fix that problem with > xencosole, but with no results. I've downloaded a Debian image from > jailtime.org and that works fine (although I don't see the kernel boot > messages, which is kind of odd). > > Can anyone offer some tips? > > Thanks, > Alex > > ---- Some more info ---- > xenmaster ~ # xm info > host : xenmaster > release : 2.6.16.26-xen > version : #10 SMP Mon Aug 14 20:34:44 CEST 2006 > machine : i686 > nr_cpus : 4 > nr_nodes : 1 > sockets_per_node : 2 > cores_per_socket : 2 > threads_per_core : 1 > cpu_mhz : 2992 > hw_caps : > bfebfbff:20100000:00000000:00000140:0004e3bd:00000000:00000001 > total_memory : 2555 > free_memory : 132 > xen_major : 3 > xen_minor : 0 > xen_extra : .2 > xen_caps : xen-3.0-x86_32 hvm-3.0-x86_32 > platform_params : virt_start=0xfc000000 > xen_changeset : Sat Apr 8 12:14:27 2006 +0100 9598:1bce05ff1e52 > cc_compiler : gcc version 3.4.6 (Gentoo 3.4.6-r1, > ssp-3.4.5-1.0, pie-8.7.9) > cc_compile_by : root > cc_compile_domain : > cc_compile_date : Mon Aug 14 19:29:17 CEST 2006 > > (from /var/log/xend.log) > [2006-08-16 17:13:44 xend.XendDomainInfo] DEBUG (XendDomainInfo:178) > XendDomainInfo.create(['vm', ['name', 'SLC43'], ['memory', 2048], > ['vcpus', 1], ['image', ['hvm', ['kernel', > '/usr/lib/xen/boot/hvmloader'], ['args', 'VNC_VIEWER=127.0.0.1:5501 '], > ['device_model', '/usr/lib/xen/bin/qemu-dm'], ['vcpus', 1], ['cdrom', > '/root/SLC43_i386_dvd.iso'], ['boot', 'd'], ['vnc', 1], ['vncviewer', > 1], ['xauthority', '/root/.Xauthority']]], ['device', ['vbd', ['uname', > 'phy:/dev/xenfs/slc4root'], ['dev', 'ioemu:hda'], ['mode', 'w']]], > ['device', ['vif', ['bridge', 'xenbr0'], ['mac', '00:04:23:D1:9E:4A'], > ['type', 'ioemu']]]]) > [2006-08-16 17:13:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:284) > parseConfig: config is ['vm', ['name', 'SLC43'], ['memory', 2048], > ['vcpus', 1], ['image', ['hvm', ['kernel', > '/usr/lib/xen/boot/hvmloader'], ['args', 'VNC_VIEWER=127.0.0.1:5501 '], > ['device_model', '/usr/lib/xen/bin/qemu-dm'], ['vcpus', 1], ['cdrom', > '/root/SLC43_i386_dvd.iso'], ['boot', 'd'], ['vnc', 1], ['vncviewer', > 1], ['xauthority', '/root/.Xauthority']]], ['device', ['vbd', ['uname', > 'phy:/dev/xenfs/slc4root'], ['dev', 'ioemu:hda'], ['mode', 'w']]], > ['device', ['vif', ['bridge', 'xenbr0'], ['mac', '00:04:23:D1:9E:4A'], > ['type', 'ioemu']]]] > [2006-08-16 17:13:45 xend.XendDomainInfo] DEBUG (XendDomainInfo:380) > parseConfig: result is {'ssidref': None, 'uuid': None, 'on_crash': None, > 'on_reboot': None, 'image': ['hvm', ['kernel', > '/usr/lib/xen/boot/hvmloader'], ['args', 'VNC_VIEWER=127.0.0.1:5501 '], > ['device_model', '/usr/lib/xen/bin/qemu-dm'], ['vcpus', 1], ['cdrom', > '/root/SLC43_i386_dvd.iso'], ['boot', 'd'], ['vnc', 1], ['vncviewer', > 1], ['xauthority', '/root/.Xauthority']], 'on_poweroff': None, 'cpus': > None, 'name': 'SLC43', 'backend': [], 'vcpus': 1, 'cpu_weight': None, > 'vcpu_avail': None, 'memory': 2048, 'device': [('vbd', ['vbd', ['uname', > 'phy:/dev/xenfs/slc4root'], ['dev', 'ioemu:hda'], ['mode', 'w > ']]), ('vif', ['vif', ['bridge', 'xenbr0'], ['mac', > '00:04:23:D1:9E:4A'], ['type', 'ioemu']])], 'bootloader': None, 'cpu': > None, 'maxmem': None} [2006-08-16 17:13:45 > xend.XendDomainInfo] DEBUG (XendDomainInfo:1164) > XendDomainInfo.construct: None 0 > [2006-08-16 17:13:46 xend.XendDomainInfo] > DEBUG (XendDomainInfo:1196) XendDomainInfo.initDomain: 36 1.0 > [2006-08-16 > 17:13:47 xend] DEBUG (image:266) args: cdrom, val: /root/SLC43_i386_dvd.iso > [2006-08-16 17:13:47 xend] DEBUG (image:266) args: boot, val: d > > [2006-08-16 17:13:47 xend] DEBUG (image:266) > args: fda, val: None > [2006-08-16 17:13:47 > xend] DEBUG (image:266) args: fdb, val: None > > [2006-08-16 17:13:47 xend] DEBUG (image:266) args: nic-ne2000, val: None > [2006-08-16 17:13:47 xend] DEBUG (image:266) args: enable-audio, val: > None > [2006-08-16 17:13:47 xend] DEBUG (image:266) > args: localtime, val: None > [2006-08-16 17:13:47 > xend] DEBUG (image:266) args: serial, val: None > > [2006-08-16 17:13:47 xend] DEBUG (image:266) args: std-vga, val: None > [2006-08-16 17:13:47 xend] DEBUG (image:266) args: isa, val: None > > [2006-08-16 17:13:47 xend] DEBUG (image:266) > args: vcpus, val: 1 > [2006-08-16 17:13:47 > xend] DEBUG (balloon:126) Balloon: free 2182; need 2049; done. > > [2006-08-16 17:13:48 xend] INFO (image:135) buildDomain os=hvm > dom=36 vcpus=1 > [2006-08-16 17:13:48 xend] DEBUG (image:224) dom = 36 > > [2006-08-16 17:13:48 xend] DEBUG (image:225) > image = /usr/lib/xen/boot/hvmloader > [2006-08-16 17:13:48 > xend] DEBUG (image:226) store_evtchn = 1 > > [2006-08-16 17:13:48 xend] DEBUG (image:227) memsize = 2048 > [2006-08-16 17:13:48 xend] DEBUG (image:228) vcpus = 1 > > [2006-08-16 17:13:48 xend] DEBUG (image:229) > pae = 0 > [2006-08-16 17:13:48 > xend] DEBUG (image:230) acpi = 0 > > [2006-08-16 17:13:48 xend] DEBUG (image:231) apic = 0 > [2006-08-16 17:13:48 xend] DEBUG (image:396) hvm shutdown watch > registered > [2006-08-16 17:13:49 xend] DEBUG (blkif:24) exception looking up device > number for hda: [Errno 2] No such file or directory: '/dev/hda' > [2006-08-16 17:13:49 xend] DEBUG (DevController:103) DevController: > writing {'state': '1', 'backend-id': '0', 'backend': > '/local/domain/0/backend/vbd/36/768'} to /local/domain/36/device/vbd/768. > [2006-08-16 17:13:49 xend] DEBUG (DevController:105) DevController: > writing {'domain': 'SLC43', 'frontend': > '/local/domain/36/device/vbd/768', 'dev': 'ioemu:hda', 'state': '1', > 'params': '/dev/xenfs/slc4root', 'mode': 'w', 'frontend-id': '36', > 'type': 'phy'} to /local/domain/0/backend/vbd/36/768. > [2006-08-16 17:13:49 xend] DEBUG (DevController:103) DevController: > writing {'state': '1', 'backend-id': '0', 'backend': > '/local/domain/0/backend/vif/36/0'} to /local/domain/36/device/vif/0. > [2006-08-16 17:13:49 xend] DEBUG (DevController:105) DevController: > writing {'bridge': 'xenbr0', 'domain': 'SLC43', 'handle': '0', 'script': > '/etc/xen/scripts/vif-bridge', 'state': '1', 'frontend': > '/local/domain/36/device/vif/0', 'mac': '00:04:23:D1:9E:4A', > 'frontend-id': '36', 'type': 'ioemu'} to /local/domain/0/backend/vif/36/0. > [2006-08-16 17:13:49 xend] INFO (image:355) spawning device models: > /usr/lib/xen/bin/qemu-dm ['/usr/lib/xen/bin/qemu-dm', '-vncconnect', > '127.0.0.1:5501', '-d', '36', '-m', '2048', '-cdrom', > '/root/SLC43_i386_dvd.iso', '-boot', 'd', '-vcpus', '1', '-domain-name', > 'SLC43', '-hda', '/dev/xenfs/slc4root', '-macaddr', '00:04:23:D1:9E:4A', > '-bridge', 'xenbr0', '-nics', '1', '-vnc', '-k', 'en-us', '-vncport', > '5936'] > [2006-08-16 17:13:49 xend] INFO (image:357) device model pid: 28580 > [2006-08-16 17:13:49 xend.XendDomainInfo] DEBUG (XendDomainInfo:671) > Storing VM details: {'ssidref': '0', 'uuid': > 'b497d350-07ce-cfd7-dc5b-d6bc584b7421', 'on_reboot': 'restart', > 'start_time': '1155741229.36', 'on_poweroff': 'destroy', 'name': > 'SLC43', 'vcpus': '1', 'vcpu_avail': '1', 'memory': '2048', 'on_crash': > 'restart', 'image': "(hvm (kernel /usr/lib/xen/boot/hvmloader) (args > 'VNC_VIEWER=127.0.0.1:5501 ') (device_model /usr/lib/xen/bin/qemu-dm) > (vcpus 1) (cdrom /root/SLC43_i386_dvd.iso) (boot d) (vnc 1) (vncviewer > 1) (xauthority /root/.Xauthority))", 'maxmem': '2048'} > [2006-08-16 17:13:49 xend.XendDomainInfo] DEBUG (XendDomainInfo:696) > Storing domain details: {'console/port': '2', 'name': 'SLC43', > 'console/limit': '1048576', 'vm': > '/vm/b497d350-07ce-cfd7-dc5b-d6bc584b7421', 'domid': '36', > 'cpu/0/availability': 'online', 'memory/target': '2097152', > 'store/ring-ref': '345485', 'store/port': '1'} > [2006-08-16 17:13:49 xend] DEBUG (image:419) hvm_shutdown fired, > shutdown reason=None > [2006-08-16 17:13:49 xend.XendDomainInfo] DEBUG (XendDomainInfo:877) > XendDomainInfo.handleShutdownWatch > [2006-08-16 17:13:49 xend] DEBUG (DevController:132) Waiting for devices > vif. > [2006-08-16 17:13:49 xend] DEBUG (DevController:138) Waiting for 0. > [2006-08-16 17:13:49 xend] DEBUG (DevController:403) > hotplugStatusCallback /local/domain/0/backend/vif/36/0/hotplug-status. > [2006-08-16 17:13:53 xend] DEBUG (DevController:403) > hotplugStatusCallback /local/domain/0/backend/vif/36/0/hotplug-status. > [2006-08-16 17:13:53 xend] DEBUG (DevController:417) > hotplugStatusCallback 1. > [2006-08-16 17:13:53 xend] DEBUG (DevController:132) Waiting for devices > usb. > [2006-08-16 17:13:53 xend] DEBUG (DevController:132) Waiting for devices > vbd. > [2006-08-16 17:13:53 xend] DEBUG (DevController:138) Waiting for 768. > [2006-08-16 17:13:53 xend] DEBUG (DevController:403) > hotplugStatusCallback /local/domain/0/backend/vbd/36/768/hotplug-status. > [2006-08-16 17:13:53 xend] DEBUG (DevController:403) > hotplugStatusCallback /local/domain/0/backend/vbd/36/768/hotplug-status. > [2006-08-16 17:13:53 xend] DEBUG (DevController:417) > hotplugStatusCallback 1. > [2006-08-16 17:13:53 xend] DEBUG (DevController:132) Waiting for devices > irq. > [2006-08-16 17:13:53 xend] DEBUG (DevController:132) Waiting for devices > pci. > [2006-08-16 17:13:53 xend] DEBUG (DevController:132) Waiting for devices > ioports. > [2006-08-16 17:13:53 xend] DEBUG (DevController:132) Waiting for devices > vtpm. > [2006-08-16 17:13:53 xend] INFO (XendDomain:363) Domain SLC43 (36) unpaused. > (and then it just stops there until I kill the VM) > > > > ------------------------------------------------------------------------ > > _______________________________________________ > Xen-users mailing list > Xen-users@xxxxxxxxxxxxxxxxxxx > http://lists.xensource.com/xen-users I am also having problems getting the console to connect in a linux on linux HVM. Although I did not find a fix for this I did find a work around. I simply enabled VNC and used that to connect to my Linux DomU to complete the install. _______________________________________________ Xen-users mailing list Xen-users@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-users

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