On 08/08/2016 08:00 PM, Dave Hein wrote: > > > On Mon, Aug 8, 2016 at 10:48 AM, Cole Robinson <crobinso@xxxxxxxxxx > <mailto:crobinso@xxxxxxxxxx>> wrote: > > On 08/06/2016 09:51 PM, Dave Hein wrote: > > I've been trying to install a KVM guest using Ubuntu Server 16.04. But I > keep > > getting the error "Couldn't find hvm kernel for Ubuntu tree". > > > > ubuntu server 16.04 > > virt-install 1.3.2 > > libosinfo 0.2.12 > > > > [snip] > > > > > You can also see the files it's trying to access by passing --debug to > virt-install > > > Thanks; that's useful. > > > > As you can see, at the end it was looking for an i386 installer. It didn't > > find it (the media was am64 media, not i386 media). > > > > But if it had been looking for > > "/isos/ubus-docker/install/netboot/ubuntu-installer/amd64/linux" it would have > > found it. > > > > So that's a mounted iso I take it? Never tried that for a --location install, > only tried public mirrors, which want a URL like > http://us.archive.ubuntu.com/ubuntu/dists/wily/main/installer-amd64/ > <http://us.archive.ubuntu.com/ubuntu/dists/wily/main/installer-amd64/> . > virt-install may need patches to be fixed to work with the iso layout > > Yes, an ISO. > > The virt-install man page says that you can't use --cdrom if you are going to > also use --extra-args; that --extra-args is only supported by a --location > install. > > The virt-install man page also says that --location can point to an ISO file > or a directory containing a mounted ISO, that network URL are supported but > not required. > > There are a lot of folks out there who have tried and failed to use --location > + --extra-args to do a text install from ISOs. Everyone gives up and goes with > the network install from Ubuntu mirrors. But that is inefficient given an ISO > available locally. > > It is worth noting that using --location to point to an ISO file did work > under Ubuntu 14.04 (don't know what version of virt-install maps to that), but > fails under Ubuntu 16.04 (with virt-install 1.3.2). See > http://askubuntu.com/questions/789358/virt-install-using-location-with-iso-image-no-longer-working > for another example of this problem. > > I agree that a patch will be required. I spent some time digging into the code > and understand why i386 was picked (because the code is looking for a > directory in the --location URL path that is 'amd64' and defaults to 'i386' if > it doesn't find 'amd64'). > > I might attempt some kind of patch, but as this is my first time reading the > source please don't depend on me for something usable anytime soon. I also > don't grok how the Linux/Ubuntu installers work, so lots of learning curve to > climb. :-/ What could help track it down is: - See if latest virt-install --location works with a ubuntu-14.04 era ISO - If so, compare the file layout of 14.04 and 16.04 and list the differences here. Maybe the file layout changed and virtinst/urlfetcher.py needs to be extended to handle the new layout - Cole _______________________________________________ virt-tools-list mailing list virt-tools-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/virt-tools-list
