https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=241774
--- Comment #25 from John Hartley <d...@graphica.com.au> ---
(In reply to Vincenzo Maffione from comment #24)
Hi Vincenzo,
as suggested, I have compiled kernel with netmap removed:
# diff GENERIC GENERIC2
22c22
< ident GENERIC
---
> ident GENERIC2
360c360
< device netmap # netmap(4) support
---
> #device netmap # netmap(4) support
# uname -a
FreeBSD newt.in.graphica.com.au 11.3-RELEASE FreeBSD 11.3-RELEASE #31: Sat Jan
11 08:25:05 AEDT 2020
r...@newt.in.graphica.com.au:/usr/obj/usr/src/sys/GENERIC2 amd64
I had previously tried to disable netmap from e1000 only and still get result
of no network devices being found.
Now with netmap removed from kernel the e1000 device is found:
# ifconfig -a
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 0x1
inet 127.0.0.1 netmask 0xff000000
nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL>
groups: lo
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:50:91
hwaddr 52:54:00:4e:50:91
inet 192.168.73.131 netmask 0xffffff00 broadcast 192.168.73.255
nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
media: Ethernet autoselect (1000baseT <full-duplex>)
status: active
Here is PCI Conf results:
# pciconf -lvce
hostb0@pci0:0:0:0: class=0x060000 card=0x11001af4 chip=0x29c08086 rev=0x00
hdr=0x00
vendor = 'Intel Corporation'
device = '82G33/G31/P35/P31 Express DRAM Controller'
class = bridge
subclass = HOST-PCI
vgapci0@pci0:0:1:0: class=0x030000 card=0x11001af4 chip=0x01001b36 rev=0x04
hdr=0x00
vendor = 'Red Hat, Inc.'
device = 'QXL paravirtual graphic card'
class = display
subclass = VGA
pcib1@pci0:0:2:0: class=0x060400 card=0x00001b36 chip=0x000c1b36 rev=0x00
hdr=0x01
vendor = 'Red Hat, Inc.'
device = 'QEMU PCIe Root port'
class = bridge
subclass = PCI-PCI
cap 10[54] = PCI-Express 2 root port max data 128(128) ARI disabled
link x1(x32) speed 2.5(undef) ASPM disabled(L0s)
slot 0 power limit 0 mW HotPlug(present) surprise Attn Button
PC(on) EI(engaged)
cap 11[48] = MSI-X supports 1 message
Table in map 0x10[0x0], PBA in map 0x10[0x800]
cap 0d[40] = PCI Bridge card=0x00001b36
ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected
ecap 000d[148] = ACS 1
pcib2@pci0:0:2:1: class=0x060400 card=0x00001b36 chip=0x000c1b36 rev=0x00
hdr=0x01
vendor = 'Red Hat, Inc.'
device = 'QEMU PCIe Root port'
class = bridge
subclass = PCI-PCI
cap 10[54] = PCI-Express 2 root port max data 128(128) ARI disabled
link x1(x32) speed 2.5(undef) ASPM disabled(L0s)
slot 0 power limit 0 mW HotPlug(present) surprise Attn Button
PC(on) EI(disengaged)
cap 11[48] = MSI-X supports 1 message
Table in map 0x10[0x0], PBA in map 0x10[0x800]
cap 0d[40] = PCI Bridge card=0x00001b36
ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected
ecap 000d[148] = ACS 1
pcib3@pci0:0:2:2: class=0x060400 card=0x00001b36 chip=0x000c1b36 rev=0x00
hdr=0x01
vendor = 'Red Hat, Inc.'
device = 'QEMU PCIe Root port'
class = bridge
subclass = PCI-PCI
cap 10[54] = PCI-Express 2 root port max data 128(128) ARI disabled
link x1(x32) speed 2.5(undef) ASPM disabled(L0s)
slot 0 power limit 0 mW HotPlug(present) surprise Attn Button
PC(on) EI(disengaged)
cap 11[48] = MSI-X supports 1 message
Table in map 0x10[0x0], PBA in map 0x10[0x800]
cap 0d[40] = PCI Bridge card=0x00001b36
ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected
ecap 000d[148] = ACS 1
pcib4@pci0:0:2:3: class=0x060400 card=0x00001b36 chip=0x000c1b36 rev=0x00
hdr=0x01
vendor = 'Red Hat, Inc.'
device = 'QEMU PCIe Root port'
class = bridge
subclass = PCI-PCI
cap 10[54] = PCI-Express 2 root port max data 128(128) ARI disabled
link x32(x32) speed undef(undef) ASPM disabled(L0s)
slot 0 power limit 0 mW HotPlug(empty) surprise Attn Button
PC(off) EI(disengaged)
cap 11[48] = MSI-X supports 1 message
Table in map 0x10[0x0], PBA in map 0x10[0x800]
cap 0d[40] = PCI Bridge card=0x00001b36
ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected
ecap 000d[148] = ACS 1
uhci0@pci0:0:29:0: class=0x0c0300 card=0x11001af4 chip=0x29348086 rev=0x03
hdr=0x00
vendor = 'Intel Corporation'
device = '82801I (ICH9 Family) USB UHCI Controller'
class = serial bus
subclass = USB
uhci1@pci0:0:29:1: class=0x0c0300 card=0x11001af4 chip=0x29358086 rev=0x03
hdr=0x00
vendor = 'Intel Corporation'
device = '82801I (ICH9 Family) USB UHCI Controller'
class = serial bus
subclass = USB
uhci2@pci0:0:29:2: class=0x0c0300 card=0x11001af4 chip=0x29368086 rev=0x03
hdr=0x00
vendor = 'Intel Corporation'
device = '82801I (ICH9 Family) USB UHCI Controller'
class = serial bus
subclass = USB
ehci0@pci0:0:29:7: class=0x0c0320 card=0x11001af4 chip=0x293a8086 rev=0x03
hdr=0x00
vendor = 'Intel Corporation'
device = '82801I (ICH9 Family) USB2 EHCI Controller'
class = serial bus
subclass = USB
isab0@pci0:0:31:0: class=0x060100 card=0x11001af4 chip=0x29188086 rev=0x02
hdr=0x00
vendor = 'Intel Corporation'
device = '82801IB (ICH9) LPC Interface Controller'
class = bridge
subclass = PCI-ISA
ahci0@pci0:0:31:2: class=0x010601 card=0x11001af4 chip=0x29228086 rev=0x02
hdr=0x00
vendor = 'Intel Corporation'
device = '82801IR/IO/IH (ICH9R/DO/DH) 6 port SATA Controller [AHCI
mode]'
class = mass storage
subclass = SATA
cap 05[80] = MSI supports 1 message, 64 bit enabled with 1 message
cap 12[a8] = SATA Index-Data Pair
none0@pci0:0:31:3: class=0x0c0500 card=0x11001af4 chip=0x29308086 rev=0x02
hdr=0x00
vendor = 'Intel Corporation'
device = '82801I (ICH9 Family) SMBus Controller'
class = serial bus
subclass = SMBus
pcib5@pci0:1:0:0: class=0x060400 card=0x00000000 chip=0x000e1b36 rev=0x00
hdr=0x01
vendor = 'Red Hat, Inc.'
class = bridge
subclass = PCI-PCI
cap 05[8c] = MSI supports 1 message, 64 bit, vector masks
cap 01[84] = powerspec 3 supports D0 D3 current D0
cap 10[48] = PCI-Express 2 PCI bridge max data 128(128) ARI disabled
link x1(x1) speed 2.5(2.5) ASPM disabled(L0s)
cap 0c[40] = unknown
ecap 0001[100] = AER 2 0 fatal 0 non-fatal 0 corrected
em0@pci0:2:1:0: class=0x020000 card=0x11001af4 chip=0x100e8086 rev=0x03
hdr=0x00
vendor = 'Intel Corporation'
device = '82540EM Gigabit Ethernet Controller'
class = network
subclass = ethernet
So there is some subtle interaction happing across PCI discovery and netmap
code.
I will now add other adaptors into test and post additional results shortly.
Thanks for the advise it really helped with diagnosis.
Cheers,
John Hartley.
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