Re: XENPVHVM

["Mathew, Cherry G." <cherry%zyx.in@localhost>]

On 10 June 2019 3:48:17 PM GMT+02:00, Stephen Borrill <netbsd%precedence.co.uk@localhost> wrote:
>On Mon, 10 Jun 2019, Stephen Borrill wrote:
>> On Sat, 8 Jun 2019, Mathew, Cherry G. wrote:
>>> Hi Chavdar - the PVHVM console is on the serial port so you'll need
>to 
>>> connect your domU TTY to it.
>>> 
>>> On regular xen tools you put a 'serial=pty' line in your config
>file. xl 
>>> console should normally dtrt but  you can force it like so:
>>> 
>>> xl console -t serial $domid
>>
>> I've not had any joy with this on XenServer (or XCP-NG):
>>
>> [root@xenserver4 ~]# list_domains | grep `xe vm-list
>name-label="NetBSD 
>> PVHVM" --minimal`
>> 15 | e2d4c021-9303-4264-f5aa-5f88cfbb1679 |    B H
>> [root@xenserver4 ~]# xl console 15
>> *nothing*
>> [root@xenserver4 ~]# xenstore-ls /local/domain/15/serial
>> 0 = ""
>> limit = "65536"
>> tty = "/dev/pts/9"
>>
>> Can the console be set to the standard emulated graphics console
>instead of 
>> serial as Linux PVHVM VMs do?
>
>This time I switched to a serial console from the bootloader with
>"consdev 
>com0". Hypervisor is not detected:
>
>[root@xenserver4 ~]# list_domains | grep `xe vm-list name-label="NetBSD
>PVHVM" --minimal`
>16 | e2d4c021-9303-4264-f5aa-5f88cfbb1679 |      H
>[root@xenserver4 ~]# xl console -t serial 16
>
>> boot netbsdp
>4178040+577416 [342312+218025+18488]=0x516d78
>[   1.0000000] Copyright (c) 1996, 1997, 1998, 1999, 2000, 2001, 2002,
>2003, 2004, 2005,
>[   1.0000000]     2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013,
>2014, 2015, 2016, 2017,
>[   1.0000000]     2018, 2019 The NetBSD Foundation, Inc.  All rights
>reserved.
>[   1.0000000] Copyright (c) 1982, 1986, 1989, 1991, 1993
>[   1.0000000]     The Regents of the University of California.  All
>rights reserved.
>
>[   1.0000000] NetBSD 8.99.43 (XEN3_PVHVM) #1: Mon Jun 10 14:18:42 BST
>2019
>[   1.0000000] 
>root@builder7:/usr/work/obj/current/amd64/sys/arch/amd64/compile/XEN3_PVHVM
>[   1.0000000] total memory = 1019 MB
>[   1.0000000] avail memory = 983 MB
>[   1.0000030] mainbus0 (root)
>[   1.0000030] cpu0 at mainbus0
>[   1.0000030] cpu0: Intel(R) Xeon(R) CPU           E5430  @ 2.66GHz,
>id 0x1067a
>[   1.0000030] cpu0: package 0, core 0, smt 0
>[   1.0000030] isa0 at mainbus0
>[   1.0000030] com0 at isa0 port 0x3f8-0x3ff irq 4: ns16550a, working
>fifo
>[   1.0000030] com0: console
>[   1.0000030] wdc0 at isa0 port 0x1f0-0x1f7 irq 14
>[   1.0000030] atabus0 at wdc0 channel 0
>[   1.0000030] wdc1 at isa0 port 0x170-0x177 irq 15
>[   1.0000030] atabus1 at wdc1 channel 0
>[   1.0000030] hypervisor: Xen HVM mode not identified. Exiting.
>[   1.0000030] hypervisor at mainbus0 not configured
>[   4.0599377] wd0 at atabus0 drive 0
>[   4.0719300] wd0: <QEMU HARDDISK>
>[   4.0719300] wd0: 5120 MB, 10402 cyl, 16 head, 63 sec, 512 bytes/sect
>x 10485760 sectors

OK, that is really interesting. can you give me a 'xl dmesg' dump please ?

many thanks,

Cherry
-- 
Sent from my phone. Please excuse my brevity.