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Old 1 Week Ago
CiotBSD CiotBSD is offline
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Default [VM,6.8] No login

Hi, all.

I've a weird problem with vm on OpenBSD6.8.

I created 2 VMs on Linux with qemu - they run correctly.

But, after copied on OpenBSD host, thoses runs but hang on after Time displayed. And, I cant obtain session.

---

First, my vm.conf:
Code:
switch "sw" {
interface bridge0
}

vm "vm-dns" {
disk /home/me/VM/vm-dns.qcow2 format qcow2
disable
interface { switch "sw" }
memory 1G
owner me
}
I start without no problem, but:
Code:
$ vmctl start -c vm-dns
Using drive 0, partition 3.
Loading......
probing: pc0 com0 mem[638K 1022M a20=on]
disk: hd0+
>> OpenBSD/amd64 BOOT 3.52
boot>
booting hd0a:/bsd: 14329128+3191816+337072+0+872448 [999468+128+1135344+859361]=0x14ba488
entry point at 0xffffffff81001000
[ using 2995336 bytes of bsd ELF symbol table ]
Copyright (c) 1982, 1986, 1989, 1991, 1993
    The Regents of the University of California.  All rights reserved.
Copyright (c) 1995-2020 OpenBSD. All rights reserved.  https://www.OpenBSD.org

OpenBSD 6.8 (GENERIC) #4: Mon Jan 11 10:34:36 MST 2021
    root@syspatch-68-amd64.openbsd.org:/usr/src/sys/arch/amd64/compile/GENERIC
real mem = 1056956416 (1007MB)
avail mem = 1010040832 (963MB)
random: good seed from bootblocks
mpath0 at root
scsibus0 at mpath0: 256 targets
mainbus0 at root
bios0 at mainbus0: SMBIOS rev. 2.4 @ 0xf3f40 (10 entries)
bios0: vendor SeaBIOS version "1.11.0p3-OpenBSD-vmm" date 01/01/2011
bios0: OpenBSD VMM
acpi at bios0 not configured
cpu0 at mainbus0: (uniprocessor)
cpu0: AMD FX-8320E Eight-Core Processor, 3211.59 MHz, 15-02-00
cpu0: FPU,VME,DE,PSE,TSC,MSR,PAE,CX8,SEP,PGE,CMOV,PAT,PSE36,CFLUSH,MMX,FXSR,SSE,SSE2,SSE3,PCLMUL,SSSE3,FMA3,CX16,SSE4.1,SSE4.2,POPCNT,AES,XSAVE,AVX,F16C,HV,NXE,MMXX,FFXSR,PAGE1GB,LONG,LAHF,CMPLEG,EAPICSP,AMCR8,ABM,SSE4A,MASSE,3DNOWP,OSVW,IBS,XOP,SKINIT,WDT,FMA4,TCE,NODEID,TBM,TOPEXT,CPCTR,ITSC,BMI1
cpu0: 64KB 64b/line 2-way I-cache, 16KB 64b/line 4-way D-cache, 2MB 64b/line 16-way L2 cache, 8MB 64b/line 64-way L3 cache
cpu0: ITLB 48 4KB entries fully associative, 24 4MB entries fully associative
cpu0: DTLB 64 4KB entries fully associative, 64 4MB entries fully associative
cpu0: smt 0, core 0, package 0
pvbus0 at mainbus0: OpenBSD
pvclock0 at pvbus0
pci0 at mainbus0 bus 0
pchb0 at pci0 dev 0 function 0 "OpenBSD VMM Host" rev 0x00
virtio0 at pci0 dev 1 function 0 "Qumranet Virtio RNG" rev 0x00
viornd0 at virtio0
virtio0: irq 3
virtio1 at pci0 dev 2 function 0 "Qumranet Virtio Network" rev 0x00
vio0 at virtio1: address fe:e1:bb:d1:a9:7b
virtio1: irq 5
virtio2 at pci0 dev 3 function 0 "Qumranet Virtio Storage" rev 0x00
vioblk0 at virtio2
scsibus1 at vioblk0: 1 targets
sd0 at scsibus1 targ 0 lun 0: <VirtIO, Block Device, >
sd0: 51200MB, 512 bytes/sector, 104857600 sectors
virtio2: irq 6
virtio3 at pci0 dev 4 function 0 "OpenBSD VMM Control" rev 0x00
vmmci0 at virtio3
virtio3: irq 7
isa0 at mainbus0
isadma0 at isa0
com0 at isa0 port 0x3f8/8 irq 4: ns8250, no fifo
com0: console
vscsi0 at root
scsibus2 at vscsi0: 256 targets
softraid0 at root
scsibus3 at softraid0: 256 targets
root on sd0a (6dc570f70e2c7991.a) swap on sd0b dump on sd0b
Automatic boot in progress: starting file system checks.
/dev/sd0a (6dc570f70e2c7991.a): file system is clean; not checking
/dev/sd0m (6dc570f70e2c7991.m): file system is clean; not checking
/dev/sd0d (6dc570f70e2c7991.d): file system is clean; not checking
/dev/sd0f (6dc570f70e2c7991.f): file system is clean; not checking
/dev/sd0g (6dc570f70e2c7991.g): file system is clean; not checking
/dev/sd0h (6dc570f70e2c7991.h): file system is clean; not checking
/dev/sd0j (6dc570f70e2c7991.j): file system is clean; not checking
/dev/sd0i (6dc570f70e2c7991.i): file system is clean; not checking
/dev/sd0e (6dc570f70e2c7991.e): file system is clean; not checking
/dev/sd0k (6dc570f70e2c7991.k): file system is clean; not checking
/dev/sd0l (6dc570f70e2c7991.l): file system is clean; not checking
pf enabled
kern.seminfo.semmni: 10 -> 60
kern.seminfo.semmns: 60 -> 1024
starting network
reordering libraries: done.
starting early daemons: syslogd pflogd nsd ntpd.
starting RPC daemons:.
savecore: no core dump
checking quotas: done.
clearing /tmp
kern.securelevel: 0 -> 1
creating runtime link editor directory cache.
preserving editor files.
starting network daemons: sshd smtpd.
starting local daemons: cron.
Thu Feb 18 12:25:45 CET 2021
after that, I dont have the login screen!



I copied my VMs by rsync+ssh, or ssh only.
To be sure, I created sha256 files.

On my Linux station:
Code:
$ cat vm-dns.qcow2.sha256
73054a89bb2e0b13d78e8cb446424baa01f7761099d8681a59137655b28c979c  vm-dns.qcow2
After copied, on OpenBSD:
Code:
$ sha256 vm-dns.qcow2                                                                                                                                                                    
SHA256 (vm-dns.qcow2) = 73054a89bb2e0b13d78e8cb446424baa01f7761099d8681a59137655b28c979c

$ sha256 -C vm-dns.qcow2.sha256 vm-dns.qcow2
(SHA256) vm-dns.qcow2: OK
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Old 1 Week Ago
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jggimi jggimi is offline
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The vmm(4) hypervisor does not have any video support for guests. Only a serial console is supported. For an OpenBSD/amd64 or OpenBSD/i386 guest:
  • The serial console must be provisioned in boot.conf(5). This is done automatically during install if the install is run from a serial console.
  • To use the serial console as a login device, the serial console (tty00) must be provisioned for this in /etc/ttys. This is done automatically during install if the install is run from a serial console.
You may choose to:
  1. Manually provision these changes in your existing guests to support a serial console.
  2. Reinstall under Qemu using a serial console (-nographic).
  3. Reinstall under the vmm(4) hypervisor.
Additional guidance may be obtained from the Virtualization chapter of the OpenBSD FAQ.
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Old 1 Week Ago
CiotBSD CiotBSD is offline
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Hi. jggimi

How can I change guests to add the serial console?

I create the /etc/boot.conf, with this content:
Code:
stty com0 115200
set tty com0
but, after rebooting, I cant anyway connect on the session?
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jggimi jggimi is offline
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Code:
tty00   "/usr/libexec/getty std.115200" vt220    on secure
See the ttys(5) man page for more information.
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CiotBSD CiotBSD is offline
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Ohhh, @jggimi.

That's all folks! Ty!
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Old 1 Week Ago
CiotBSD CiotBSD is offline
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In fact, it seems explained on FAQ Keyboard and Display Controls:

- https://www.openbsd.org/faq/faq7.html#SerCon
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