Date: Sun, 05 Oct 2025 23:30:22 +0000 From: bugzilla-noreply@freebsd.org To: virtualization@FreeBSD.org Subject: [Bug 290026] bhyve igb passthru - device unusable until reset Message-ID: <bug-290026-27103@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=290026 Bug ID: 290026 Summary: bhyve igb passthru - device unusable until reset Product: Base System Version: 14.3-RELEASE Hardware: Any OS: Any Status: New Severity: Affects Only Me Priority: --- Component: bhyve Assignee: virtualization@FreeBSD.org Reporter: pprocacci@gmail.com FreeBSD 14.3. FreeBSD BYVE VM ------------------------------------ # ping google.com ping: cannot resolve google.com: Name does not resolve # ifconfig igb0 down; ifconfig igb0 up # ping google.com PING google.com (142.250.65.206): 56 data bytes 64 bytes from 142.250.65.206: icmp_seq=0 ttl=113 time=19.794 ms igb0@pci0:0:6:0: class=0x020000 rev=0x03 hdr=0x00 vendor=0x8086 device=0x1533 subvendor=0x1849 subdevice=0x1533 vendor = 'Intel Corporation' device = 'I210 Gigabit Network Connection' class = network subclass = ethernet FreeBSD Host ------------------------------------ ppt0@pci0:35:0:0: class=0x020000 rev=0x03 hdr=0x00 vendor=0x8086 device=0x1533 subvendor=0x1849 subdevice=0x1533 vendor = 'Intel Corporation' device = 'I210 Gigabit Network Connection' class = network subclass = ethernet VM-BHYVE Config: ------------------------------------ loader="bhyveload" cpu=4 memory=2G passthru0="35/0/0" disk0_type="nvme" disk0_name="disk0" disk0_dev="sparse-zvol" network0_type="virtio-net" network0_switch="public" Pertinent VM Bootup Info: ------------------------- Starting Network: lo0 vtnet0 igb0. lo0: flags=1008049<UP,LOOPBACK,RUNNING,MULTICAST,LOWER_UP> metric 0 mtu 16384 options=680003<RXCSUM,TXCSUM,LINKSTATE,RXCSUM_IPV6,TXCSUM_IPV6> inet 127.0.0.1 netmask 0xff000000 inet6 ::1 prefixlen 128 inet6 fe80::1%lo0 prefixlen 64 scopeid 0x3 groups: lo nd6 options=21<PERFORMNUD,AUTO_LINKLOCAL> vtnet0: flags=1008802<BROADCAST,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE> ether 58:9c:fc:0f:1f:6c media: Ethernet autoselect (10Gbase-T <full-duplex>) status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> igb0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG> ether d0:50:99:d4:b9:fd media: Ethernet autoselect status: no carrier nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> igb0: link state changed to UP Starting devd. Starting Network: vtnet0. vtnet0: flags=1008802<BROADCAST,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=80028<VLAN_MTU,JUMBO_MTU,LINKSTATE> ether 58:9c:fc:0f:1f:6c media: Ethernet autoselect (10Gbase-T <full-duplex>) status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> Waiting 30s for the default route interface: ............................. Once multi user (Note: It's not seeing dhcp responses though the requests are leaving) -------------------- igb0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG> ether d0:50:99:d4:b9:fd media: Ethernet autoselect (1000baseT <full-duplex>) status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> After down/up (Note: DHCP is working just as it should) -------------------- igb0: flags=1008843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST,LOWER_UP> metric 0 mtu 1500 options=4e527bb<RXCSUM,TXCSUM,VLAN_MTU,VLAN_HWTAGGING,JUMBO_MTU,VLAN_HWCSUM,TSO4,TSO6,LRO,WOL_MAGIC,VLAN_HWFILTER,VLAN_HWTSO,RXCSUM_IPV6,TXCSUM_IPV6,HWSTATS,MEXTPG> ether d0:50:99:d4:b9:fd inet 192.168.35.152 netmask 0xffffff00 broadcast 192.168.35.255 media: Ethernet autoselect (1000baseT <full-duplex>) status: active nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> It's like the igb device has only been partially initialized by bhyve as a down/up fixes this. Any thoughts here? -- You are receiving this mail because: You are the assignee for the bug.
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