Date: Tue, 10 Aug 2021 14:41:34 +0200 From: lizbethmutterhunt@gmail.com To: Roger Pau =?ISO-8859-1?Q?Monn=E9?= <royger@freebsd.org> Cc: freebsd-xen@freebsd.org Subject: Re: another xen-kernel UEFI story Message-ID: <3837161.BRNeRiNLvY@freebsd_current> In-Reply-To: <YRItEsEb/IaXqE9V@Air-de-Roger> References: <3839452.BRNeRiNLvY@freebsd_current> <YRItEsEb/IaXqE9V@Air-de-Roger>
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Op Tuesday, 10 August 2021 09:38:58 CEST schreef u: > On Mon, Aug 09, 2021 at 05:23:27PM +0200, lizbethmutterhunt@gmail.com wrote: > > could someone pleas check this link: > > https://forums.freebsd.org/threads/xen-kernel-doesnt-start-at-all.81556/ > > > > does anyone has another idea then duplicating CURRENT and RELEASE via > > Virtualbox or qemu? > > > > XEN simply doesn't boot after setting xen_kernel on in /boot/loader.conf, > > we tried different ways but none worked. It's loading [text], [data], > > [syms] and the preconfig but afterwards there's just the reset-button > > option, because XEN doesn't boot. > > > > any help appreciated! > > Hello, hello royger! > There are a couple of things to look at, first of all, do you have a > serial console attached to the box? I guess so, because there are two possibilities to start from via primary and secodary console! > It seems like you do because you have the serial output options > enabled in loader.conf, in which case can you paste the output you get > from the serial when booting? could just make a photo, but it's loading the preemt and than it stops only to recover via the reset key. > Also note that the line: > > xen_cmdline="dom0_mem=4048M dom0_max_vcpus=4 dom0pvh=1 com1=115200,8n1 > guest_loglvl=all loglvl=all" > > Is wrong unless you are using Xen 4.7. The handbook [0] states > that for Xen 4.11 and greater dom0=pvh should be used instead of > dom0pvh=1. tried both versions X-times but didn't react on neither! > Also note that the line: > > hw.pci.mcfg=0 made my # before the line, no change > Is not needed unless you are using Xen 4.7. > > If you don't have a serial console, and the above doesn't fix your > issue I would recommend that you switch to plain UEFI booting (ie: no > BIOS CSM), install FreeBSD 14 (current) and then try to boot Xen with > UEFI. FreeBSD 14 should have support for booting Xen from UEFI without > the need of the BIOS CSM mode. switched in BIOS to plain UEFI mode (auto) but still no difference. making my virtual machine with release (works with 14-CURRENT, too!). But what to do with the hypervisor on an virtual machine; making machines in machines? > Thanks, Roger. thanx a lot for trying to help me! lizbeth > [0] > https://docs.freebsd.org/en/books/handbook/virtualization/#virtualization-h > ost-xen
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