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[91.115.224.145]) by smtp.gmail.com with ESMTPSA id u5sm771816wrr.94.2021.08.13.01.08.01 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Fri, 13 Aug 2021 01:08:02 -0700 (PDT) Content-Type: text/plain; charset=utf-8 List-Id: Discussion List-Archive: https://lists.freebsd.org/archives/freebsd-xen List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-xen@freebsd.org X-BeenThere: freebsd-xen@freebsd.org Mime-Version: 1.0 (Mac OS X Mail 15.0 \(3691.0.3\)) Subject: Re: another xen-kernel UEFI story From: "Lizbeth Mutterhunt, Ph.D" In-Reply-To: <9cf13949-3436-ce43-9884-d7a028c940fb@gmail.com> Date: Fri, 13 Aug 2021 10:08:01 +0200 Cc: "freebsd-xen@freebsd.org" Content-Transfer-Encoding: quoted-printable Message-Id: <14457636-F600-4C4A-A808-09EE87133EA7@gmail.com> References: <3839452.BRNeRiNLvY@freebsd_current> <3837161.BRNeRiNLvY@freebsd_current> <0FD46B61-6556-4912-814F-4A26988CC23E@gmail.com> <9cf13949-3436-ce43-9884-d7a028c940fb@gmail.com> To: Gerd Hafenbrack X-Mailer: Apple Mail (2.3691.0.3) X-Rspamd-Queue-Id: 4GmGQC5hPhz3GB6 X-Spamd-Bar: ---- Authentication-Results: mx1.freebsd.org; none X-Spamd-Result: default: False [-4.00 / 15.00]; TAGGED_RCPT(0.00)[]; REPLY(-4.00)[] X-ThisMailContainsUnwantedMimeParts: N > Op 12 aug. 2021, om 18:56 heeft Gerd Hafenbrack = het volgende geschreven: >=20 > Hello, >=20 > The ASUS P8H77M-Pro has an internal serial connector onboard. Lizbeth = should get a DB9 male slot bracket with 10 pin internal connector and a = null modem cable. >=20 > Regards, Gerd >=20 > On 2021-08-12 18:45, Roger Pau Monn=C3=A9 wrote: >> On Thu, Aug 12, 2021 at 03:52:55PM +0200, Lizbeth Mutterhunt, Ph.D = wrote: >>>=20 >>>=20 >>>> Op 12 aug. 2021, om 09:01 heeft Roger Pau Monn=C3=A9 = het volgende geschreven: >>>>=20 >>>> Adding the freebsd-xen mailing list again. >>>>=20 >>>> 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: >>>>>>>>>=20 >>>>> = https://forums.freebsd.org/threads/xen-kernel-doesnt-start-at-all.8155 >>>>>>>>> 6/ >>>>>>>>>=20 >>>>>>>>> does anyone has another idea then duplicating CURRENT and = RELEASE >>>>> via >>>>>>>>> Virtualbox or qemu? >>>>>>>>>=20 >>>>>>>>> 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. >>>>>>>>>=20 >>>>>>>>> any help appreciated! >>>>>>>>=20 >>>>>>>> Hello, >>>>>>>=20 >>>>>>> hello royger! >>>>> hija! >>>>>=20 >>> Hello Roger! >>>=20 >>>>>>>=20 >>>>>>>> There are a couple of things to look at, first of all, do you = have a >>>>>>>> serial console attached to the box? >>>>>>>=20 >>>>>>> I guess so, because there are two possibilities to start from = via >>>>> primary >>>>>>> and secodary console! >>>>>>=20 >>>>>> 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: >>>>>>=20 >>>>>> 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! >>>>=20 >>>> I 'm afraid I'm a bit lost here, so your computer does have some = kind >>>> of serial port? >>>=20 >>> No, no RS-232 output of course but a parallel and serial console in = the BIOS! I activated the serial port and got in troubles with booting; = beasties logo has been disabled, so no boot menu to unset the xen_xernel = at boot prompt. XEN never booted anyway. >>>=20 >>>> Do you mean that when you enable the serial port in BIOS (I assume = a >>>> Serial Over LAN) >>> Yup! >>>> the re0 network interface stops working. >>> Yes, at the dhclient allocations it stops immediately with no output = or debugger info at all. Also the keyboard was disabled and I couldn=E2=80= =99t press CTRL+C for avoiding DHCPREQUEST. >> I think it would be better to get Xen out of the picture here, and >> initially focus on getting a serial console working with plain >> FreeBSD. >> Once you have that it should be trivial to attempt to boot >> Xen and get the output on the serial, but first you need to have it >> working properly with plain FreeBSD. >> The handbook contains a good section about how to get it working: >> = https://docs.freebsd.org/en/books/handbook/serialcomms/#serialconsole-setu= p >> But it seems like you will need some help from your hardware vendor = in >> order to figure out how to enable Serial Over LAN properly on the >> firmware. >> Note that you should be able to get the output of both the FreeBSD >> loader and kernel on the serial console. >> Regards, Roger. Was big update on Mac beta 5 Monterey, no difference audio out doesn=E2=80= =99t work. Heading over to BSD now and trying the link given with 10 IO = PINS on one protocol bit, like tcp/ip always was.=20 Lizbeth=20