[Bug 236922] Virtio fails as QEMU-KVM guest with Q35 chipset on Ubuntu 18.04.2 LTS

Tue Jan 14 06:31:49 UTC 2020

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=236922

--- Comment #39 from Tommy P <tommyhp2 at gmail.com> ---
Created attachment 210728
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=210728&action=edit
VirtIO to support Q35 backported for FreeBSD 11.x

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Thank you Bryan for your help with getting past (CK_S)TAILQ_FOREACH compile
errors!  I greatly appreciate it!

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root at fbsd11-ovmf:~ # egrep -i 'sata|scsi|mass stor|virtio|sym0|em0|vtnet'
/var/log/messages | grep 'Jan 13'
Jan 13 22:10:55 fbsd11-ovmf kernel: vtpcim0: <VirtIO PCI (modern) Network
adapter> mem 0x98e00000-0x98e00fff,0x800000000-0x800003fff irq 22 at device 0.0
on pci1
Jan 13 22:10:55 fbsd11-ovmf kernel: vtnet0: <VirtIO Network Adapter> on vtpcim0
Jan 13 22:10:55 fbsd11-ovmf kernel: vtnet0: Ethernet address: 52:54:00:a9:08:fb
Jan 13 22:10:55 fbsd11-ovmf kernel: sym0: <895a> port 0xb000-0xb0ff mem
0x98c02000-0x98c023ff,0x98c00000-0x98c01fff irq 22 at device 0.0 on pci2
Jan 13 22:10:55 fbsd11-ovmf kernel: sym0: No NVRAM, ID 7, Fast-40, LVD, parity
checking
Jan 13 22:10:55 fbsd11-ovmf kernel: vtpcim1: <VirtIO PCI (modern) SCSI adapter>
mem 0x98a00000-0x98a00fff,0x800100000-0x800103fff irq 22 at device 0.0 on pci3
Jan 13 22:10:55 fbsd11-ovmf kernel: vtscsi0: <VirtIO SCSI Adapter> on vtpcim1
Jan 13 22:10:55 fbsd11-ovmf kernel: vtpcim2: <VirtIO PCI (modern) Console
adapter> mem 0x98800000-0x98800fff,0x800200000-0x800203fff irq 22 at device 0.0
on pci4
Jan 13 22:10:55 fbsd11-ovmf kernel: vtpcim3: <VirtIO PCI (modern) Balloon
adapter> mem 0x800300000-0x800303fff irq 22 at device 0.0 on pci5
Jan 13 22:10:55 fbsd11-ovmf kernel: vtballoon0: <VirtIO Balloon Adapter> on
vtpcim3
Jan 13 22:10:55 fbsd11-ovmf kernel: vtpcim4: <VirtIO PCI (modern) Block
adapter> mem 0x98400000-0x98400fff,0x800400000-0x800403fff irq 22 at device 0.0
on pci6
Jan 13 22:10:55 fbsd11-ovmf kernel: vtblk0: <VirtIO Block Adapter> on vtpcim4
Jan 13 22:10:55 fbsd11-ovmf kernel: em0: <Intel(R) PRO/1000 Legacy Network
Connection 1.1.0> port 0x6000-0x603f mem 0x98000000-0x9801ffff irq 21 at device
1.0 on pci8
Jan 13 22:10:55 fbsd11-ovmf kernel: em0: Ethernet address: 52:54:00:4e:d4:8f
Jan 13 22:10:55 fbsd11-ovmf kernel: ahci0: <Intel ICH9 AHCI SATA controller>
port 0xc240-0xc25f mem 0x99002000-0x99002fff irq 16 at device 31.2 on pci0
Jan 13 22:10:55 fbsd11-ovmf kernel: ada0: <QEMU HARDDISK 2.5+> ATA-7 SATA
device
Jan 13 22:10:55 fbsd11-ovmf kernel: ada0: 150.000MB/s transfers (SATA 1.x,
UDMA5, PIO 8192bytes)
Jan 13 22:10:55 fbsd11-ovmf kernel: pass0: <QEMU QEMU DVD-ROM 2.5+> Removable
CD-ROM SCSI device
Jan 13 22:10:55 fbsd11-ovmf kernel: pass0: 150.000MB/s transfers (SATA 1.x,
UDMA5, ATAPI 12bytes, PIO 8192bytes)
Jan 13 22:10:55 fbsd11-ovmf kernel: em0: link state changed to UP

root at fbsd11-ovmf:~ # ls /dev/{ada,da,vtbd}*
/dev/ada0       /dev/ada0p1     /dev/ada0p2     /dev/vtbd0      /dev/vtbd0p1   
/dev/vtbd0p2

root at fbsd11-ovmf:~ # ifconfig
vtnet0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500

options=4c07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,TXCSUM_IPV6>
        ether 52:54:00:a9:08:fb
        hwaddr 52:54:00:a9:08:fb
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet autoselect (10Gbase-T <full-duplex>)
        status: active
em0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500

options=209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGIC>
        ether 52:54:00:4e:d4:8f
        hwaddr 52:54:00:4e:d4:8f
        inet ... netmask 0xffffff00 broadcast ...255
        nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6>
        inet6 ::1 prefixlen 128
        inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3
        inet 127.0.0.1 netmask 0xff000000
        nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
        groups: lo

root at fbsd11-ovmf:~ # uname -a
FreeBSD fbsd11-ovmf 11.3-RELEASE-p5 FreeBSD 11.3-RELEASE-p5 #0 r356701M: Mon
Jan 13 22:08:55 PST 2020
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The above is from OVMF + Q35 VM.  Should also work w/o OVMF.  This all
inclusive (netmap + updates in stable/12).

1) cd /usr/src
2) tar -xJvf <path/to/>virtio_11.xz
3) patch < sys_conf_files_v11.2.patch
4) make kernel
5) reboot

I'll update the patches as soon as netmap is fixed for PCI-e bus.  Please let
me know if you have any issues.

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