Re: vmm error mesg since upgrade to 6.9

> On 2 May 2021, at 14:25, Dave Voutila <dave@sisu.io> wrote:
>
> 
> Mischa writes:
>
>>
>> Interestingly I am seeing the same on my 6.9 hosts, except the host running -current.
>
> Hmm. -current has some small changes to virtio emulation, specifically
> fixing some bad casts I found [1]. That might explain the difference
> with -current.
>
>> The hosts are similar in regards to configuration.
>> I have migrated from bridge/vether to veb/vport.
>>
>> May 2 13:14:38 r2 vmd[59033]: vionet_enq_rx: descriptor too small for packet data
>> May 2 13:15:12 r2 last message repeated 11 times
>> May 2 13:17:13 r2 last message repeated 34 times
>>
>> # vmctl show | grep 59033
>> 6 59033 1 4.0G 1.8G ttyp5 root running images
>>
>> # vm.conf
>> switch "uplink_vlan880" {
>> interface veb880
>> }
>> vm "images" {
>> memory 4G
>> disk "/var/vmm/images.qcow2"
>> disk "/var/vmm/images_extra.qcow2"
>> interface tap { switch "uplink_vlan880" }
>> }
>>
>> # cat /etc/hostname.em0
>> up
>> # cat /etc/hostname.veb880
>> add vlan880
>> add vport880
>> up
>> # cat /etc/hostname.vlan880
>> vnetid 880 parent em0
>> up
>> # cat /etc/hostname.vport880
>> inet 46.23.xx.xx 255.255.255.0
>> inet6 2a03:6000:xxx::xx
>> up
>>
>> I am using a combination of dhcp and static IP config on both hosts to provision the VMs.
>
> Are you running dhcpd(8) on the host? Or using vmd(8)'s built-in dhcp
> service?

Only using dhcpd on the host.

>> What else can be relevant?
>
> Logging into my obsd.ams host (that I haven't updated yet to 6.9) it's
> using "dhcp" in /etc/hostname.vio0. Do you see this same issue with
> *guests* running 6.8? Or only 6.9?

The host running -current only has 6.8 VMs. The hosts where I see the messages are 6.9 VMs on 6.9 hosts.

Let me spin a 6.9 -release host and run a bunch of 6.8 VMs. And or a mix.

Mischa

> -dv
>
> [1] https://cvsweb.openbsd.org/cgi-bin/cvsweb/src/usr.sbin/vmd/virtio.c.diff?r1=1.84&r2=1.85&only_with_tag=MAIN