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Date:      Thu, 09 Jan 2020 03:18:56 +0000
From:      bugzilla-noreply@freebsd.org
To:        virtualization@FreeBSD.org
Subject:   [Bug 241774] FreeBSD 11.3 & 12.0 has broken SCSI & Networking on KVM/QEMU Q35 with OVMF
Message-ID:  <bug-241774-27103-Dqu1fhn1ST@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-241774-27103@https.bugs.freebsd.org/bugzilla/>
References:  <bug-241774-27103@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D241774

--- Comment #16 from Tommy P <tommyhp2@gmail.com> ---
(In reply to John Hartley from comment #14)

Hi John,

Good news!  After some debugging, I was able to get VirtIO to work with Q35
with OVMF for 12.0-RELEASE-p12 r356438M and without OVMF for 12.0-RELEASE-p=
12
r356535M!
Please see my bug report
(https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D236922) for the attach=
ment
and caution regarding netmap.  Here's the pciconf output for the VirtIO:

vtpcim0@pci0:1:0:0:     class=3D0x020000 card=3D0x11001af4 chip=3D0x10411af=
4 rev=3D0x01
hdr=3D0x00
    vendor     =3D 'Red Hat, Inc.'
    device     =3D 'Virtio network device'
    class      =3D network
    subclass   =3D ethernet
    bar   [14] =3D type Memory, range 32, base 0x98e00000, size 4096, enabl=
ed
    bar   [20] =3D type Prefetchable Memory, range 64, base 0x800000000, si=
ze
16384, enabled
    cap 11[dc] =3D MSI-X supports 3 messages, enabled
                 Table in map 0x14[0x0], PBA in map 0x14[0x800]
    cap 09[c8] =3D vendor (length 20)
    cap 09[b4] =3D vendor (length 20)
    cap 09[a4] =3D vendor (length 16)
    cap 09[94] =3D vendor (length 16)
    cap 09[84] =3D vendor (length 16)
    cap 01[7c] =3D powerspec 3  supports D0 D3  current D0
    cap 10[40] =3D PCI-Express 2 endpoint max data 128(128)
                 link x1(x1) speed 2.5(2.5) ASPM disabled(L0s)
sym0@pci0:2:0:0:        class=3D0x010000 card=3D0x10000000 chip=3D0x0012100=
0 rev=3D0x00
hdr=3D0x00
    vendor     =3D 'LSI Logic / Symbios Logic'
    device     =3D '53c895a'
    class      =3D mass storage
    subclass   =3D SCSI
    bar   [10] =3D type I/O Port, range 32, base 0xb000, size 256, enabled
    bar   [14] =3D type Memory, range 32, base 0x98c02000, size 1024, enabl=
ed
    bar   [18] =3D type Memory, range 32, base 0x98c00000, size 8192, enabl=
ed
vtpcim1@pci0:3:0:0:     class=3D0x010000 card=3D0x11001af4 chip=3D0x10481af=
4 rev=3D0x01
hdr=3D0x00
    vendor     =3D 'Red Hat, Inc.'
    device     =3D 'Virtio SCSI'
    class      =3D mass storage
    subclass   =3D SCSI
    bar   [14] =3D type Memory, range 32, base 0x98a00000, size 4096, enabl=
ed
    bar   [20] =3D type Prefetchable Memory, range 64, base 0x800100000, si=
ze
16384, enabled
    cap 11[dc] =3D MSI-X supports 4 messages, enabled
                 Table in map 0x14[0x0], PBA in map 0x14[0x800]
    cap 09[c8] =3D vendor (length 20)
    cap 09[b4] =3D vendor (length 20)
    cap 09[a4] =3D vendor (length 16)
    cap 09[94] =3D vendor (length 16)
    cap 09[84] =3D vendor (length 16)
    cap 01[7c] =3D powerspec 3  supports D0 D3  current D0
    cap 10[40] =3D PCI-Express 2 endpoint max data 128(128)
                 link x1(x1) speed 2.5(2.5) ASPM disabled(L0s)
vtpcim2@pci0:4:0:0:     class=3D0x078000 card=3D0x11001af4 chip=3D0x10431af=
4 rev=3D0x01
hdr=3D0x00
    vendor     =3D 'Red Hat, Inc.'
    device     =3D 'Virtio console'
    class      =3D simple comms
    bar   [14] =3D type Memory, range 32, base 0x98800000, size 4096, enabl=
ed
    bar   [20] =3D type Prefetchable Memory, range 64, base 0x800200000, si=
ze
16384, enabled
    cap 11[dc] =3D MSI-X supports 2 messages
                 Table in map 0x14[0x0], PBA in map 0x14[0x800]
    cap 09[c8] =3D vendor (length 20)
    cap 09[b4] =3D vendor (length 20)
    cap 09[a4] =3D vendor (length 16)
    cap 09[94] =3D vendor (length 16)
    cap 09[84] =3D vendor (length 16)
    cap 01[7c] =3D powerspec 3  supports D0 D3  current D0
    cap 10[40] =3D PCI-Express 2 endpoint max data 128(128)
                 link x1(x1) speed 2.5(2.5) ASPM disabled(L0s)


Note that previously it was none#@pci now it's vtpcim#@pci.  It also seems =
to
support booting from both SATA and VirtIO Serial:

root@fbsd12-ovmf:~ # ls /dev/{da,ada,vtbd}*
/dev/vtbd0      /dev/vtbd0p1    /dev/vtbd0p2

root@fbsd12-ovmf:~ # ifconfig
vtnet0: flags=3D8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500
=20=20=20=20=20=20=20
options=3D4c07bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSU=
M,TSO4,TSO6,LRO,VLAN_HWTSO,LINKSTATE,TXCSUM_IPV6>
        ether ...
        media: Ethernet autoselect (10Gbase-T <full-duplex>)
        status: active
        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
em0: flags=3D8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
=20=20=20=20=20=20=20
options=3D81209b<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,VLAN_HWCSUM,WOL_MAGI=
C,VLAN_HWFILTER>
        ether ...
        inet ... netmask 0xffffff00 broadcast 10.100.0.255
        media: Ethernet autoselect (1000baseT <full-duplex>)
        status: active
        nd6 options=3D29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
lo0: flags=3D8049<UP,LOOPBACK,RUNNING,MULTICAST> metric 0 mtu 16384
        options=3D680003<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
        groups: lo
        nd6 options=3D21<PERFORMNUD,AUTO_LINKLOCAL>

This was a fresh install of 12.0-RELEASE onto SATA.  After replacing and
patching /usr/src in addition to kernel rebuild, it now boots as VirtIO Ser=
ial!

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