xen April 2013

xen@lists.fedoraproject.org

5 participants
5 discussions

execute commands from dom0 into domU
by silviu d 06 Jun '15

06 Jun '15

Hello, I was wondering if there is a way to execute commands from dom0 into domU without loging into domU with ssh. thanks

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Re: [Fedora-xen] Peculiar errors with libvirt/virt-manager/xen in F18
by Marco Guazzone 25 Apr '13

25 Apr '13

Hello, I followed this thread on the list archives. I've just installed Fedora 18 and now I want to run the VM images I previously run on Fedora 16 (xen 4.1 + libvirt). So, I would like to know what is the current status of xen/libvirt integration. >From the xen wiki (http://wiki.xen.org/wiki/Fedora_Host_Installation), it seems that it is still unsafe to use libvirt with the xl toolstack. But the last update is on Febraury 2013. So some time is passed. Is it still true? Furthermore, do you know what changes one has to do to a libvirt VM configuration XML file that was used to define VM for the xend toolstack? Thank you very much for the help! Best, -- Marco

2 5

Dom0 seems to be not running
by Mustafa Hassan 18 Apr '13

18 Apr '13

Hi all I am a very newbie to XEN. I have managed to install it as described here " http://wiki.xen.org/wiki/Fedora_Host_Installation" However, now when I run "Virt_Manager" 1- It does not show a running Dom0 2- I am not able to create a guest. It says "Error polling connection 'xen:///': internal error client socket is closed" I have no idea, however I think Dom0 is not running. I have booted into "Fedora with XEN Hypervisor 2.2" Here is the output from "xl list" ================================================================= [root@localhost xen-tools-4.3.1]# xl list Name ID Mem VCPUs State Time(s) (null) 0 930 2 r----- 333.5 [root@localhost xen-tools-4.3.1]# ================================================================= and output of "xl info" ================================================================ [root@localhost xen-tools-4.3.1]# xl info host : localhost.localdomain release : 3.6.10-4.fc18.i686.PAE version : #1 SMP Tue Dec 11 18:15:08 UTC 2012 machine : i686 nr_cpus : 2 max_cpu_id : 3 nr_nodes : 1 cores_per_socket : 2 threads_per_core : 1 cpu_mhz : 2333 hw_caps : bfebfbff:20100000:00000000:00000940:0000e3fd:00000000:00000001:00000000 virt_caps : hvm total_memory : 1011 free_memory : 62 sharing_freed_memory : 0 sharing_used_memory : 0 free_cpus : 0 xen_major : 4 xen_minor : 2 xen_extra : .1 xen_caps : xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p xen_scheduler : credit xen_pagesize : 4096 platform_params : virt_start=0xf5800000 xen_changeset : unavailable xen_commandline : placeholder cc_compiler : gcc (GCC) 4.7.2 20121109 (Red Hat 4.7.2-8) cc_compile_by : mockbuild cc_compile_domain : [unknown] cc_compile_date : Thu Apr 4 22:40:34 UTC 2013 xend_config_format : 4 [root@localhost xen-tools-4.3.1]# ================================================================ Please help! -- With Best Regards MusT ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ ^ UNIX is very simple, but it takes a genius to understand the simplicity. (Dennis Ritchie)

1 0

pci passthrough
by Mike Wright 17 Apr '13

17 Apr '13

Hi all, I need help debugging this situation. Running xen-4.2.1 with kernel 3.8.5-201.fc18.x86_64. I have successfully passed an on-board audio adapter to a VM running f14 but it does not work. When f14 runs on bare metal it has full audio capability. "lspci" on VM-f14 correctly shows: 00:00.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA) (rev 40) "lsmod | grep snd" shows: snd_hda_codec_realtek 322852 1 snd_hda_intel 23945 2 snd_hda_codec 83791 2 snd_hda_codec_realtek,snd_hda_intel snd_hwdep 6288 1 snd_hda_codec snd_seq 52985 0 snd_seq_device 5969 1 snd_seq snd_pcm 79886 2 snd_hda_intel,snd_hda_codec snd_timer 19363 2 snd_seq,snd_pcm snd 63685 12 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer soundcore 6329 1 snd snd_page_alloc 7359 2 snd_hda_intel,snd_pcm All the pieces seem to be there. However, "System->Preferences->Sound->Hardware" is empty and "System->Preferences->Sound->Output" shows only "Dummy Output, Stereo". Anybody know how to debug this? Right now I have to use Domain0 for multimedia, which seems to pervert the whole concept of keeping Domain0 away from general users. Please, Thanks, All of the above :) Mike Wright

2 1

dependency problem with my (first) RPM
by Dario Faggioli 01 Apr '13

01 Apr '13

Hello Everyone, I created an (my first!) RPM of this software http://www.xen-tools.org/software/xen-tools/ but I'm having some issues when trying to install it. Before anyone ask, yes, the long term plan is to follow all the usual step to get the package officially accepted in Fedora, but I'd like to have it "working" before starting to do that. :-) So, xen-tools is just a collection of perl scripts, but having the package I'm making depend from perl is driving me nuts! :-O Spec file is attached (I've run it through rpmlint, and I know it have some issues, but still...) and here's what I get when I tr to install the result of `rpmbuild -ba xen-tools.spec': # yum install ../RPMS/noarch/xen-tools-4.3.1-1.fc18.noarch.rpm Loaded plugins: langpacks, presto, refresh-packagekit Examining ../RPMS/noarch/xen-tools-4.3.1-1.fc18.noarch.rpm: xen-tools-4.3.1-1.fc18.noarch Marking ../RPMS/noarch/xen-tools-4.3.1-1.fc18.noarch.rpm to be installed Resolving Dependencies --> Running transaction check ... ---> Package xen-tools.noarch 0:4.3.1-1.fc18 will be installed --> Processing Dependency: perl(any) for package: xen-tools-4.3.1-1.fc18.noarch --> Processing Dependency: perl(any) for package: xen-tools-4.3.1-1.fc18.noarch --> Finished Dependency Resolution Error: Package: xen-tools-4.3.1-1.fc18.noarch (/xen-tools-4.3.1-1.fc18.noarch) Requires: perl(any) You could try using --skip-broken to work around the problem You could try running: rpm -Va --nofiles --nodigest I googled for this quite a bit, but I don't seem to be able to find anything explaining how to make that "Requires: perl(any)" go away... :-( Any ideas? Thanks a lot and Regards, Dario -- <<This happens because I choose it to happen!>> (Raistlin Majere) ----------------------------------------------------------------- Dario Faggioli, Ph.D, http://about.me/dario.faggioli Senior Software Engineer, Citrix Systems R&D Ltd., Cambridge (UK)

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xen April 2013