Date: Tue, 23 Jul 2019 16:07:31 +0000 From: "R0me0 ***" <knight.neo@gmail.com> To: =?UTF-8?Q?Roger_Pau_Monn=C3=A9?= <roger.pau@citrix.com> Cc: freebsd-xen@freebsd.org Subject: Re: Xen 4.12 - systemrescuecd-6.0.3.iso - Baremetal reboots Message-ID: <CAN1fqMohieFLen964kenGcN3S9PhQL%2B6jfz-Ln7NsRm9vBUhFg@mail.gmail.com> In-Reply-To: <20190723155412.g3km6ecoxy74vwl4@Air-de-Roger.citrite.net> References: <CAN1fqMpe54C1e4bdi1jMB5oVbbMpFbxqtM%2BbdBhNnsCmex81Lw@mail.gmail.com> <20190704072629.v4qegclh7ljfdt64@Air-de-Roger> <CAN1fqMoxP%2BuJrSz3DqAR1S%2BLyTAAM6ejSwAP3pPnsFnXPdye9w@mail.gmail.com> <CAN1fqMo7u2Q9pBd8b1a8m6sKM91EpDPwcBaQsjveXrGZdPpWtw@mail.gmail.com> <20190723131339.hbdwdqtlhcox7qjm@Air-de-Roger.citrite.net> <CAN1fqMpLdLjbbH=GrDK8Uy8jU-OExTN=4rkLwRLLO3YDSxFYzg@mail.gmail.com> <20190723155412.g3km6ecoxy74vwl4@Air-de-Roger.citrite.net>
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Sorry, but this host is hosted on another country which I do not have access to. ( Hetzner ) So, I think I can't help. Em ter, 23 de jul de 2019 =C3=A0s 15:54, Roger Pau Monn=C3=A9 <roger.pau@ci= trix.com> escreveu: > On Tue, Jul 23, 2019 at 03:45:49PM +0000, R0me0 *** wrote: > > Yes the DOM0, the XEN hypervisor completely hangs and the host > > automatically reboots. > > You will have to setup a serial console in order to debug then. You > need to find the serial port of your box and hook a null modem [0] to it, > and then plug the other side into another computer and use cu, minicom > or some other program in order to get the serial output. > > There's a section on the handbook about how to use the serial console: > > > https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/serialconsole-= setup.html > > You will need to add something like: > > console=3Dcom1,vga com1=3D115200,8n1 > > to your xen_cmdline if you don't have it yet in order to get the > output. > > > It seems related with Linux guests using kernel 4.x > > Does then same happen if you use a disk line like: > > 'format=3Draw, vdev=3Dhda, access=3Drw, backendtype=3Dqdisk, > target=3D/dev/zvol/fbroot/SAND/disk' > > Note the 'backendtype' option is set to qdisk. > > Roger. > > [0] https://en.wikipedia.org/wiki/Null_modem >
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