Date: Tue, 19 Jan 2021 18:20:41 +0100 From: "Lizbeth Mutterhunt, PhD" <lizbethmutterhunt@gmail.com> To: Roger Pau Monn? <royger@freebsd.org> Cc: freebsd-xen@freebsd.org Subject: Re: either xen or custom Message-ID: <2889120.fEyhCgFcho@freebsd-current> In-Reply-To: <20210119170525.qpf3h4aipefrbdry@Air-de-Roger> References: <5536984.Zv9zXsTiuT@freebsd-current> <2113383.sMrx5ctUpN@freebsd-current> <20210119170525.qpf3h4aipefrbdry@Air-de-Roger>
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Op Dienstag, 19. J=E4nner 2021 18:05:25 CET schreef u: > Adding freebsd-xen mailing list for reference. did this, too.=20 =20 > On Tue, Jan 19, 2021 at 05:04:21PM +0100, Lizbeth Mutterhunt, PhD wrote: > > Op Dienstag, 19. J=E4nner 2021 15:06:45 CET schreef u: > > > On Fri, Jan 15, 2021 at 3:46 PM Lizbeth Mutterhunt, PhD > > >=20 > > > <lizbethmutterhunt@gmail.com> wrote: > > > > Op Donnerstag, 14. J=E4nner 2021 09:21:09 CET schreef u: > > Hi Roger, > >=20 > > just to introduce myself a bit: > >=20 > > !!!thx for your reply and concerns!!! > >=20 > > I keep in mind that this certain kind of support isn't self-understandi= ng > > and will one day be to your advantage, too! For myself: I ask to much a= nd > > answer too little in forums, etc., as I know what to do in certain kind > > of matters but still too lazy to give a tipp or to post a reply as many > > others does. > >=20 > > I'm good in linux, especially Arch Linux, doing projects at the reborn > > BeOS, Linux and now as my main system on > >=20 > > [CODE] > > sudo sysctl hw.model hw.machine hw.ncpu > > Wachtwoord: > > hw.model: Intel(R) Celeron(R) CPU 867 @ 1.30GHz >=20 > So your CPU doesn't support VT-d (AKA IOMMU), and won't be able to > run FreeBSD/Xen sadly. This is a hardware limitation and there's > nothing that can be done. The only way to run Xen on that box is to > use Linux in PV mode, which FreeBSD doesn't support. no, XEN stays here at BSD!=20 bhyve is this fast as tmc! =20 > You can check the CPU features at: >=20 > https://ark.intel.com/content/www/us/en/ark/products/63918/intel-celeron-= pro > cessor-867-2m-cache-1-30-ghz.html > Search for VT-d. this is the output for information purpose: "Intel=AE Virtualization Technology for Directed I/O (VT-d) continues from = the=20 existing support for IA-32 (VT-x) and Itanium=AE processor (VT-i) virtualiz= ation=20 adding new support for I/O-device virtualization. Intel VT-d can help end=20 users improve security and reliability of the systems and also improve=20 performance of I/O devices in virtualized environments." =20 > If you want to run FreeBSD/Xen you will need a newer CPU, sadly > there's no way around that. aeh! bulls*! but pitty, pitty, you can't request from an 7 year old machine= =20 everything you want. so heaven stays cloudy but RAPTOR9 willl do? no troubl= es=20 with (U)EFI there? > > > > > Do you have a serial console attached to the box so that we could > > > > > see the log of Xen and FreeBSD booting? > > > >=20 > > > > how to? every time I boot into xen I have to zpool import -f and mo= unt > > > > it > > > > from rescue CD. Is there a log from the last boot somewhere? I > > > > duckduckgo'd a bit but couldn't find anything else than the dmesg. = As > > > > it > > > > is not a kernel crash there's nothing in /var/crash and on /var/run= I > > > > have the running boot inside. > > >=20 > > > You would need to plug a null-modem into the serial port of your box, > > > or alternatively use something like SoL (Serial over LAN) if your box > > > supports it. > >=20 > > could you plz. explain this a bit more exactly? I don't have a LAN-swit= ch > > yet but it's planned for connecting the Raspi4 and my upcoming RAPTOR9 > > machine at easter and to have a "night-light" with blinking RX/TX - LED= S! > > :-) > Getting serial out of a box is the only way to diagnose early boot > problems (ie: kernel issues). See: >=20 > https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/serialconsole-= set > up.html ok, this is something like ssh or things concerning booting without monitor= or=20 keybd, understood!=20 > That way you can get the output of FreeBSD or Xen booting in text > mode, so that you can for example paste it on an email when things go > wrong. >=20 so heaven stays a place on earth and clouds change to violet!=20 thx anyway,=20 > Roger. Lizbeth
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