Re: Contents of CentOS-virt digest... Best regards, Bob Vargas On Sat, Nov 28, 2015 at 7:00 AM, <centos-virt-request at centos.org> wrote: > Send CentOS-virt mailing list submissions to > centos-virt at centos.org > > To subscribe or unsubscribe via the World Wide Web, visit > https://lists.centos.org/mailman/listinfo/centos-virt > or, via email, send a message with subject or body 'help' to > centos-virt-request at centos.org > > You can reach the person managing the list at > centos-virt-owner at centos.org > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of CentOS-virt digest..." > > > Today's Topics: > > 1. new install of Xen 4.6 hangs on Loading initial ramdisk > (Craig Thompson) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Fri, 27 Nov 2015 18:18:05 -0500 > From: Craig Thompson <president at caldwellglobal.com> > To: centos-virt at centos.org > Subject: [CentOS-virt] new install of Xen 4.6 hangs on Loading initial > ramdisk > Message-ID: <0229360F-F45E-4C83-9CB8-4FE9BB79B306 at caldwellglobal.com> > Content-Type: text/plain; charset="windows-1252" > > First post to this list. I would appreciate some help on this issue. > > As background, I installed CentOS 7 on a Dell server, and then ran the > following commands: > > yum update > http://buildlogs.centos.org/centos/7/virt/x86_64/xen/centos-release-xen-7-11.el7.x86_64.rpm > yum --enablerepo=centos-virt-xen-testing update > yum --enablerepo=centos-virt-xen-testing install xen > > Doing that, I was able to successfully install Xen, create a virtual > machine with its own HVM setup, logical volume, etc. and boot it just fine. > > I then tried to do the same on an IBM x3550 server I?m trying to install > with CentOS 7. The CentOS 7 install went just fine. I can boot into the > standard kernel and have a working machine. But after running the commands > above to install the Xen hypervisor, the machine hangs on boot for a few > moments after displaying the lines below and then reboots in a loop over > and over and over: > > Loading Xen 4.6.0-2.el7 ? > Loading Linux 3.18.21-16.el7.x86_64 ? > Loading initial ramdisk ? > > It never gets beyond that. If I choose the stock kernel (no Xen) from the > Grub menu, it will continue to boot into that just fine. > > My grub.cfg file has these entries of note: > > multiboot /xen-4.6.0-2.el7.gz placeholder dom0_mem=1024M,max:1024M > cpuinfo com1=115200,8n1 console=com1,tty loglvl=all guest_loglvl=all > ${xen_rm_opts} > echo 'Loading Linux 3.18.21-16.el7.x86_64 ...' > module /vmlinuz-3.18.21-16.el7.x86_64 placeholder > root=UUID=9dc18146-f9b3-41cc-ba9c-7314689abcde ro crashkernel=auto debug > irqpoll ipv6.disable=1 console=hvc0 earlyprintk=xen nomodeset > echo 'Loading initial ramdisk ...' > module --nounzip /initramfs-3.18.21-16.el7.x86_64.img > > > What I have tried: > > 1) adding debug into the vmlinuz line > 2) disabling ipv6 in that line > 3) adding root=UUID=9dc18146-f9b3-41cc-ba9c-7314689abcde to the last line > AFTER /initramfs ?. > > Nothing so far has made any difference. Obviously the process works, as > it works for me just fine on the Dell server. > > Underlying this machine is a SATA RAID 1 PCI card with two SSD drives > attached in a RAID 1 mirror. Not that that should matter, but I?m > including it for reference. As noted previously, it boots into the stock > kernel just fine. > > Any help would be appreciated. > > -- > Craig Thompson, President > Caldwell Global Communications, Inc. > 423-559-5465 > > > > > ------------------------------------ > This message has been scanned by > WingNET for spam & virus content. > If you get spam regularly, contact us at > sales at wingnet.net for e-mail filtering. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: < > http://lists.centos.org/pipermail/centos-virt/attachments/20151127/05bd0efd/attachment-0001.html > > > > ------------------------------ > > _______________________________________________ > CentOS-virt mailing list > CentOS-virt at centos.org > https://lists.centos.org/mailman/listinfo/centos-virt > > > End of CentOS-virt Digest, Vol 99, Issue 17 > ******************************************* > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20151128/85c1b9fb/attachment-0004.html>