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1612 discussions

New qemu-kvm-ev available for testing
by Sandro Bonazzola 08 Apr '16

08 Apr '16

Hi, qemu-kvm-ev-2.3.0-31.el7_2.10.1 has been tagged for testing. In order to test it, please enable centos-qemu-ev-test repository after installing centos-release-qemu-ev Thanks, -- Sandro Bonazzola Better technology. Faster innovation. Powered by community collaboration. See how it works at redhat.com

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xen-4.4.4-2.el6 packages added to virt6-xen-44-testing
by Johnny Hughes 07 Apr '16

07 Apr '16

All, I have upgraded xen-44 from Xen-4.4.3 to Xen-4.4.4 (and placed the resulting RPMs from xen-4.4.4-2.el6.src.rpm into virt6-xen-44-testing). These RPMs have all the latest updates that were rolled into the xen-4.4.3-14.el6.src.rpm packages (through XSA-172 updates). Here is how to test: 1. If you want this box to always have 'testing' enabled for xen-44 .. do this: Edit /etc/yum.repos.d/CentOS-Xen-44.repo and set 'Enabled=1' in the [centos-virt-xen-44-testing] and then do: yum update (In this case, the testing repo remains enabled) 2. If you would rather not turn on testing permanently, but just want to test these updates (and leave only the main repo enabled by default), then do this: yum --enablerepo centos-virt-xen-44-testing update ============== The above assumes you have followed George's instructions and have removed centos-release-xen and centos-rtelease-xen-46 and have installed centos-release-xen-44 to stay on the Xen-4.4 branch, and have not upgraded to Xen-4.6. Thanks, Johnny Hughes

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Xen custom vifname
by Peter Braun 05 Apr '16

05 Apr '16

Hi, Centos 7 Xen4CentOS - 4.6.1 Open vSwitch When i specify custom name of the domU NIC than it refues to start vif = [ 'vifname=vNIC1' ] libxl: error: libxl_exec.c:118:libxl_report_child_exitstatus: /etc/xen/scripts/vif-openvswitch online [10168] exited with error status 1 libxl: error: libxl_device.c:1084:device_hotplug_child_death_cb: script: ip link set vif38.0 name vNIC1 failed libxl: error: libxl_create.c:1381:domcreate_attach_vtpms: unable to add nic devices libxl: error: libxl.c:1591:libxl__destroy_domid: non-existant domain 38 libxl: error: libxl.c:1549:domain_destroy_callback: unable to destroy guest with domid 38 libxl: error: libxl.c:1476:domain_destroy_cb: destruction of domain 38 failed When removed the vifname settings the domU starts just fine. vif = [ '' ] Same error when used wi classic Bridge for networking. Is vifname setting still supported? On CentOS5 & Xen 3.4 this parameter works just fine. Regards

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Reminder: Virt SIG meeting at 3pm BST (2pm UTC) today on #centos-devel
by George Dunlap 05 Apr '16

05 Apr '16

Reminder that (at least for the moment), unlike many of the other meetings, our meeting is on British time at 3pm. -George

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status for centos-release-docker and docker packages
by Lokesh Mandvekar 31 Mar '16

31 Mar '16

I have rpm sources for centos-release-docker at https://github.com/CentOS-virt7/centos-release-docker Some updated packages available on centos-docker-common-testing branch are: docker: http://cbs.centos.org/koji/buildinfo?buildID=9932 atomic: http://cbs.centos.org/koji/buildinfo?buildID=10046 docker-distribution: http://cbs.centos.org/koji/buildinfo?buildID=9950 I think I need to have the docker testing packages available on buildlogs.c.o. That's probably a task for kb, arrfab? Let me know what next. -- Lokesh Freenode: lsm5 GPG: 0xC7C3A0DD

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cloud-init issue w/ GenericCloud image
by Tom Sorensen 31 Mar '16

31 Mar '16

I'm using the C7.2 GenericCloud image with KVM and am trying to inject my own ssh key by adding it to /etc/cloud/cloud.cfg.d: sudo virt-customize --upload ~/local/cloud/20_centos_sshkey.cfg:/etc/cloud/cloud.cfg.d/20_centos_sshkey.cfg -d c7-template Contents of the file: #cloud-config ssh_authorized_keys: - ssh-rsa [mysshkeyhere] The good news is that it puts something in the authorized_keys file (which does not occur without it). The bad news is it's complete garbage (from guestfish) -- http://pastebin.centos.org/42526/ Any suggestion on either how to fix this or a better way to inject the key for this usage?

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USB 3.0 in qemu-kvm-0.12
by Robert Nichols 30 Mar '16

30 Mar '16

I suspect I know the answer here, but is qemu-kvm-0.12 simply incapable of passing a USB 3.0 device to a guest? USB 2 devices work fine, but USB 3 -- nothing. USB 3.0 works fine in the host, of course. Currently using qemu-kvm-0.12.1.2-2.479.el6_7.4.x86_64 in CentOS 6.7. I'm guessing I have to upgrade to CentOS 7 to pass USB 3.0 devices to the guest. Hoping to avoid that just now. -- Bob Nichols "NOSPAM" is really part of my email address. Do NOT delete it.

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XSA-172
by George Dunlap 29 Mar '16

29 Mar '16

xen 4.6.1-5 has been build and should be available in buildlogs soon (available via the centos-virt-xen-testing repo). More information can be found here: http://xenbits.xen.org/xsa/advisory-172.html A signed copy should hit the mirrors tomorrow. Please report any problems on this list. Thanks, -George

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KVM networking issue
by Kevin Ross 25 Mar '16

25 Mar '16

Hi folks, I posted this question to the KVM list, but I thought I'd try here too--sorry if this is the wrong place to post this, can you please direct me to the correct forum or list if so, thanks! I'm working on a network security project, using KVM installed on CentOS 6.7 through yum. I have a VM with the goal of using this as a network appliance, and two other VMs, one simulating an attack node and the other simulating a vulnerable webapp. These are all connected to the same internal private network set up in KVM. The idea with the network appliance VM is to have it act as if it's connected to a network tap so it can see the traffic between the other two VMs. I'm not able to see the traffic currently and would appreciate your help or suggestions to see if this is possible and how I can set this up if so. I came across some information online suggesting to have the interfaces in promiscuous mode, including the virtual NIC for the private network, and I've tried all combinations. Thanks for any help you can offer! Thanks, Kevin -- sedecim(a)gmail.com

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ANNOUNCEMENT: centos-release-xen switching to 4.6 later this week
by George Dunlap 22 Mar '16

22 Mar '16

In preparation for XSA-172, due to be made public next week (29 March), as discussed previously, I'm going to be updating the centos-release-xen package to point to Xen 4.6 rather than 4.4. As a reminder, you can "pin" your installation to Xen 4.4 by installing centos-release-xen-44 and then removing centos-release-xen. Also, I will not be applying any more patches to the Xen 4.4 packages. I will, however, review and push through the build system pull requests sent to https://github.com/CentOS-virt7/xen. -George

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