Date: Thu, 12 Aug 2021 09:01:07 +0200 From: Roger Pau =?utf-8?B?TW9ubsOp?= <royger@freebsd.org> To: "Lizbeth Mutterhunt, Ph.D" <lizbethmutterhunt@gmail.com> Cc: freebsd-xen@freebsd.org Subject: Re: another xen-kernel UEFI story Message-ID: <YRTHM8qN6B3W9mRE@Air-de-Roger> In-Reply-To: <CAPPf1PGp=kdq1ZWp3-TER5TQvm5sE3reZGNGNMSiqH7NR3Sv4Q@mail.gmail.com> References: <3839452.BRNeRiNLvY@freebsd_current> <YRItEsEb/IaXqE9V@Air-de-Roger> <3837161.BRNeRiNLvY@freebsd_current> <YRJ//ZedH2Cukpzy@Air-de-Roger> <CAPPf1PGp=kdq1ZWp3-TER5TQvm5sE3reZGNGNMSiqH7NR3Sv4Q@mail.gmail.com>
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Adding the freebsd-xen mailing list again. On Wed, Aug 11, 2021 at 12:48:55AM +0200, Lizbeth Mutterhunt, Ph.D wrote: > Op Tuesday, 10 August 2021 15:32:45 CEST schreef u: > > On Tue, Aug 10, 2021 at 02:41:34PM +0200, lizbethmutterhunt@gmail.com > wrote: > > > 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.8155 > > > > > 6/ > > > > > > > > > > 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! > hija! > > > > > > > > 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! > > > > The serial console is a port (usually a RS-232) on your box that you > > attach a cable to and connect to another computer, so you can get > > early text debug output: > > > > https://www.computerhope.com/jargon/s/serial-console.htm > > https://tldp.org/HOWTO/Remote-Serial-Console-HOWTO/intro-why.html > Basically I know the RS-232 "live" in the 80s, and I was soldering a earth- > cable to connect two PCs without any swith via a deviate of Midnight > Commander. So first thought, enable serial port in bios; computer crashing > at > xen and crashes when allocating the re0. so disabled again! I 'm afraid I'm a bit lost here, so your computer does have some kind of serial port? Do you mean that when you enable the serial port in BIOS (I assume a Serial Over LAN) the re0 network interface stops working? > > > There also some boxes that have a virtual serial console like Intel > > AMT Serial Over LAN: > > > > https://en.wikipedia.org/wiki/Intel_Active_Management_Technology > I guess my active management is on or there's no way to enable it in the > BIOS > (ASUS P8H77M-Pro); pitty, there's no search function in the advanced bios. > > I managed to watch BTX with 4 years and with 8 I got my first original IBM > PC > and compatible. the C64 was later in my development and I'm atoning all my > problem adolescence in front of the SNES here with my shell commands. Would > I > just have been become a gamer, I'm considering all the time at that point > of > regression with a problem. But they do have there own, I think! > > > If you can setup one of those it would be handy in figuring it what's > > wrong, since the serial is initialized way before than the VGA adapter > > and could contain a message detailing what went wrong. > yes! yes! yes! do I need a second computer for it? I could modify my Raspi > 4b > for that or an old notebook! but I think it is a simple .log file > somewhere. Sure, you just need something at the other end of the serial (null modem) cable. Whether it's an old laptop or a raspberry pi doesn't make much of a difference. Regards, Roger.
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