[Bug 241774] FreeBSD 11.3 & 12.0 has broken SCSI & Networking on KVM/QEMU Q35 with OVMF

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241774

--- Comment #23 from Tommy P <tommyhp2 at gmail.com> ---
@John,

Are you encountering issues while upgrading 11.2 to 11.3 with Q35 + OVMF?  I
don't have any issues:

root at fbsd11-ovmf:~ # dmesg|grep em0
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
em0: Ethernet address: 52:54:00:4e:d4:8f
em0: netmap queues/slots: TX 1/256, RX 1/256
em0: link state changed to UP

root at fbsd11-ovmf:~ # uname -a
FreeBSD fbsd11-ovmf 11.2-RELEASE-p15 FreeBSD 11.2-RELEASE-p15 #0 r356556: Thu
Jan  9 19:50:57 PST 2020
---------------------------------------------------
root at fbsd11-ovmf:~ # dmesg | egrep 'sym0|mass stor|scsi'
sym0: <895a> port 0xb000-0xb0ff mem 0x98c02000-0x98c023ff,0x98c00000-0x98c01fff
irq 22 at device 0.0 on pci2
sym0: No NVRAM, ID 7, Fast-40, LVD, parity checking
pci3: <mass storage, SCSI> at device 0.0 (no driver attached)

root at fbsd11-ovmf:~ # dmesg|grep em0
em0: <Intel(R) PRO/1000 Legacy Network Connection 1.1.0> port 0x6000-0x603f mem
0x98000000-0x9801ffff irq 21 at device 1.0 on pci2
em0: Ethernet address: 52:54:00:4e:d4:8f
em0: netmap queues/slots: TX 1/256, RX 1/256
em0: link state changed to UP

root at fbsd11-ovmf:~ # uname -a
FreeBSD fbsd11-ovmf 11.3-RELEASE-p5 FreeBSD 11.3-RELEASE-p5 #0: Tue Nov 12
08:59:04 UTC 2019


VirtIO still doesn't work for 11.x :(  The pci3 is the VirtIO SCSI (note the
'no driver attached').


@Matt, (from comment #17)

>From what I've seen so far, there are significant changes in the networking
from 11.x to 12.x which the VirtIO, supporting PCI-E, is based upon.  I doubt
it's going to be easy to 'back port' to 11.x.

Regards,
Tommy

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