Date: Thu, 7 Feb 2019 05:00:49 -0800 (PST) From: "Rodney W. Grimes" <freebsd-rwg@pdx.rh.CN85.dnsmgr.net> To: "Roger Pau Monn?" <roger.pau@citrix.com> Cc: Benedict Reuschling <bcr@freebsd.org>, freebsd-xen@freebsd.org Subject: Re: Extend documentation (was: Re: Issue getting my first Xen domU up) Message-ID: <201902071300.x17D0nCd050525@pdx.rh.CN85.dnsmgr.net> In-Reply-To: <20190207114819.uvidsagdiqpwfna2@mac>
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> On Wed, Feb 06, 2019 at 09:39:47AM -0800, Rodney W. Grimes wrote: > > > Adding Benedict who wrote the Xen handbook documentation, and > > > hopefully would be able to fix it :). > > > > > > On Tue, Feb 05, 2019 at 08:18:05PM +0000, Marcin Cieslak wrote: > > > > On Tue, 5 Feb 2019, Eric Bautsch wrote: > > > > > > > > > And yes, the qemu-dm-titania.log would have been the place to look. I feel > > > > > pretty stupid. It says: > > > > > > > > Don't feel stupid. I am using Xen with Dom0 on FreeBSD for months now > > > > and I didn't know where the qemu logs go - I was able to figure out > > > > the problem by staring at the configuration file for a long time. > > > > > > > > Therefore your question was very helpful also for me - thanks! > > > > > > It seems there's one piece missing in the handbook which I didn't > > > realize, the if_tap module needs to be loaded for QEMU to work. > > > > > > I suggest the following is added to the handbook: > > > > > > ``` > > > sysrc -f /boot/loader.conf if_tap_load="YES" > > > ``` > > > > > > And then I've also realized the following line: > > > > > > ``` > > > sysrc -f /boot/loader.conf hw.pci.mcfg=0 > > > ``` > > > > > > Is only needed for Xen 4.7, but not for Xen 4.11. > > > > > > Finally it might be interesting to add a reference to the location of > > > the Xen logs. This should likely be added at the end of the document, > > > I think something along the lines of: > > > > > > ``` > > > Xen toolstack related logs can be found at /var/log/xen/ be sure to > > > check the contents of that directory if experiencing issues. > > > ``` > > > > Is there a troubleshooting section in the handbook? > > If not there should be, and this would defanitly be mentioned > > in that section. > > There doesn't seem to be a virtualization troubleshooting section I'm > afraid. I've added something similar to my suggestion above as a tip, > which will make it more visible. There should be a trouble shooting section within the Xen pages of the handbook, and that is where this and other things should probably be placed. How about create sections 21.8.4 Troubleshooting 21.8.4.1 host 21.8.4.2 guest and fill them in with some details. -- Rod Grimes rgrimes@freebsd.org
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