Date: Thu, 5 Nov 2015 16:18:47 +0100 From: =?UTF-8?Q?Roger_Pau_Monn=c3=a9?= <roger.pau@citrix.com> To: <lausts@acm.org>, <freebsd-xen@freebsd.org> Subject: Re: Does a Xen Dom0 require X to function Message-ID: <563B7357.3040002@citrix.com> In-Reply-To: <563B631D.22122.FDB9F@lausts.acm.org> References: <5633A2B0.22403.45280A@lausts.acm.org> <56379E8A.3030701@citrix.com> <563B631D.22122.FDB9F@lausts.acm.org>
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Hello, El 05/11/15 a les 15.09, Thomas Laus ha escrit: >> So the VNC client attaches successfully to the server, but the output is >> just a black screen? IMHO, that looks more like a guest or VNC issue >> rather than a Xen/Qemu one. Have you tried different guest OSes and >> different VNC clients? (TigerVNC Viewer has always worked fine for me). >> >> But regarding your question: no, Xen Dom0 doesn't require X at all in >> order to run. >> > I tried other guest OS's and VNC clients with the same result and came to the > conclusion that all of my guest OS's were not booting. All of my VNC clients > displayed the name of the guest OS in the margin, but had a black screen. I > looked at the 'xl list' billboard and the guest OS did not have a 'r' in the > column. The startup log for all of the guests had this line: > > 'xen be core: can't open gnttab device' Is there anything else in the Qemu logs? Also, can you post the output of `xl -vvv create <guest_cfg>` and `xl list` while the domain is running? > My guess is that the 'gnttab' device is critical to a guest startup. I could > not find any reference to this item. What am I missing? No, gnttab is not critical, Qemu should work without it. Roger.
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