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...Thanks for the input and ideas. Unfortunately bootscrub=false dos not work, not does setting nothing for vga, still get the 'Little white squares'! I am asking the xen-users as you suggest Regards, Francis From: "George Dunlap" <dunlapg at umich.edu> To: "Francis Greaves" <francis at choughs.net>, "centos-virt" <centos-virt at centos.org> Sent: Tuesday, 23 February, 2016 09:31:40 Subject: Re: [CentOS-virt] Garbled screen after RAM Scrub on boot On Mon, Feb 22, 2016 at 4:18 PM, Francis Greaves <francis at choughs.net> wrote: &...

Yes I usually work headless, but I have been setting it up from new, so need to see what is going on. Regards Francis From: "Scot P. Floess" <sfloess at nc.rr.com> To: "Francis Greaves" <francis at choughs.net> Cc: "centos-virt" <centos-virt at centos.org> Sent: Monday, 22 February, 2016 17:02:12 Subject: Re: [CentOS-virt] Garbled screen after RAM Scrub on boot When I was running Fedora 23 and using Xen (as the host OS), I saw something similar...

...b1 82 c0 c0 c0 Detected a UPS: Tripp Lite /TRIPP LITE UPS send_cmd(msg_len=3, type='W') libusb_set_report() returned -32 instead of 8 Could not reset watchdog. Please send model information to nut-upsdev mailing list -- --------------------------------------------------------------- Mike Greaves ITL Circuits (905) 475-6658 ext. 119 ---------------------------------------------------------------

Dear All I am using Centos 7 with Xen 4.6 on a Dell Poweredge T430 When the machine boots, after the 'Scrubbing Free RAM' message, I get a screen filled with little white squares until the login prompt, so I cannot see what is happening as the machine boots. Also there is nothing on the screen when I reboot. My /etc/default/grub is GRUB_DISTRIBUTOR="$(sed 's, release

Further to my last post, I have removed the xen-pciback module from the Dom0 kernel, and reloaded it as modprobe xen-pciback passthrough=1 I now have the PCI device on the DomU matching the Dom0 Device usb usb1: SerialNumber: 0000:00:1a.0 instead of 0000:00:00.0 However I now have this error ehci_hcd 0000:00:1a.0: Unlink after no-IRQ? Controller is probably using the wrong IRQ. does

...s, I just rebooted my Precision 470 and watched...nothing :( I see the boot menu, and then everything goes blank - as in just a blinking cursor until I get the login prompt. No idea what it's doing - but I don't even see the scrubbing free memory output... On Mon, 22 Feb 2016, Francis Greaves wrote: > Yes I usually work headless, but I have been setting it up from new, so need to see what is going on. > Regards > Francis > > > ___________________________________________________________________________________________________________________________________________...

On Tue, 23 Feb 2016 14:40, Francis Greaves wrote: > Dear George, > Thanks for the input and ideas. > Unfortunately bootscrub=false dos not work, not does setting nothing for vga, still get the 'Little white squares'! > I am asking the xen-users as you suggest > Regards, Francis > > > From: "George Dunl...

>On Mon, May 16, 2016 at 12:00 PM, Francis Greaves <francis at choughs.net> wrote: >> Dear George please find attached the three files as requested. >> I have used >> >> iommu=soft >> >> in the grub command line for the kernel in the domU as explained before. >> many thanks >The options are: &gt...

...eorge Dunlap" <dunlapg at umich.edu> To: "francis" <francis at choughs.net>, "centos-virt" <centos-virt at centos.org> Sent: Monday, 16 May, 2016 10:29:09 Subject: Re: [CentOS-virt] PCI Passthrough not working On Thu, May 12, 2016 at 12:11 PM, Francis Greaves <francis at choughs.net> wrote: > I am running Xen 4.6 on CentOS 7 in a Dell Poweredge T430 > I need PCI Passthrough to get USB working. I am following the Xenproject > Wiki > I have enabled the Virtulasation in the BIOS. > I have xen_pciback as a module > I have iss...

I am using Xen 4.6.0-8.el7 on CentOS 7 with 3 Linux DomUs. I did have Xen 4.? on CentOS 6.5 on my previous system. I installed using yum install centos-release-xen. On shutting down the Hypervisor it used to wait for the DomUs to shut down gracefully (one can take a minute or more), then on starting up again it would restart the DomUs, all nice and controlled. For some reason the DomUs (CentOS

Further to my messages back in May I have at last got round to trying to get my DomU to recognise USB devices. I am using Xen 4.6 with CentOS kernel 3.18.34-20.el7.x86_64. I have to manually make the port available before creating the DomU by issuing the command: xl pci-assignable-add 00:1a.0 otherwise nothing shows in: xl pci-assignable-list I have added this to my .cfg file as per the

From: "Francis Greaves" <francis at choughs.net> To: "Francis Greaves" <francis at choughs.net>, "centos-virt" <centos-virt at centos.org> Sent: Sunday, 3 July, 2016 11:19:49 Subject: Re: [CentOS-virt] PCI Passthrough not working Further to my last post, I have removed th...

I am running Xen 4.6 on CentOS 7 in a Dell Poweredge T430 I need PCI Passthrough to get USB working. I am following the Xenproject Wiki I have enabled the Virtulasation in the BIOS. I have xen_pciback as a module I have issued the command: xl pci-assignable-add 00:1a0.0 and it shows up fine when I issue this xl pci-assignable-list I have pci=['00:1a.0'] on the DomU config file I

.../ unbecome_user now uid=(0,0) gid=(0,0) parsing net-path \\ZEPPO\SIMON, passlen=0 Got device type ????? 07/31/97 02:01:27 invalid username/password for simon 07/31/97 02:01:27 error packet at line 131 cmd=117 (SMBtconX) eclass=2 ecode=2 8<-=-=-=-=-=- End of logfiles -=-=-=-=-=- Simon -- Simon Greaves email: S.J.Greaves@hw.ac.uk Systems development manager phone: +44 (0) 131 451 3265 Computer Centre, Heriot-Watt University fax: +44 (0) 131 451 3261 Edinburgh, EH14 4AS, UK

Hi Francis. Personally I would gracefully shutdown all the VM?s first, before attempting to shutdown the xen hypervisor. Are you getting any fsck errors when restarting those VM?s? Kind Regards, Keith On 21 Jan 2016, at 08:48, Francis Greaves <francis at choughs.net> wrote: > I am using Xen 4.6.0-8.el7 on CentOS 7 with 3 Linux DomUs. I did have Xen 4.? on CentOS 6.5 on my previous system. I installed using yum install centos-release-xen. > On shutting down the Hypervisor it used to wait for the DomUs to shut down gracefu...

Try this: systemctl start xendomains.service systemctl enable xendomains.service On 21 January 2016 at 08:48, Francis Greaves <francis at choughs.net> wrote: > I am using Xen 4.6.0-8.el7 on CentOS 7 with 3 Linux DomUs. I did have Xen > 4.? on CentOS 6.5 on my previous system. I installed using yum install > centos-release-xen. > On shutting down the Hypervisor it used to wait for the DomUs to shut do...

When I was running Fedora 23 and using Xen (as the host OS), I saw something similar on my Dell Precision 470. I don't recall seeing it now with CentOS 7, but I tend to boot that machine headless more than not... On Mon, 22 Feb 2016, Francis Greaves wrote: > Dear All > I am using Centos 7 with Xen 4.6 on a Dell Poweredge T430 > When the machine boots, after the 'Scrubbing Free RAM' message, I get a screen filled with little white squares until the login prompt, so I cannot see > what is happening as the machine boots. Al...

On Mon, Feb 22, 2016 at 4:18 PM, Francis Greaves <francis at choughs.net> wrote: > Dear All > I am using Centos 7 with Xen 4.6 on a Dell Poweredge T430 > When the machine boots, after the 'Scrubbing Free RAM' message, I get a > screen filled with little white squares until the login prompt, so I cannot > see what is...

On Thu, May 12, 2016 at 12:11 PM, Francis Greaves <francis at choughs.net> wrote: > I am running Xen 4.6 on CentOS 7 in a Dell Poweredge T430 > I need PCI Passthrough to get USB working. I am following the Xenproject > Wiki > I have enabled the Virtulasation in the BIOS. > I have xen_pciback as a module > I have issued th...

On Mon, May 16, 2016 at 12:00 PM, Francis Greaves <francis at choughs.net> wrote: > Dear George please find attached the three files as requested. > I have used > > iommu=soft > > in the grub command line for the kernel in the domU as explained before. > many thanks (Please reply in-line, like this, rather than top-po...