Re: Tap device problem on FreeBSD 14.2-RELEASE
- Reply: Thomas Laus : "Re: Tap device problem on FreeBSD 14.2-RELEASE"
- In reply to: Thomas Laus : "Tap device problem on FreeBSD 14.2-RELEASE"
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Date: Sat, 07 Dec 2024 22:38:57 UTC
On 12/7/2024 4:37 PM, Thomas Laus wrote: > I used FreeBSD-update to go from 14.1-RELEASE to 14.2-RELEASE and > there is an issue with creating and using the tap device. The device > doesn't get created during the boot process and can't be created or > used after the system is up. The UPDATING file has just one entry > concerning the tap device and that is change the 'tap' name in all > configuration files with 'tuntap'. I did that and get an invalid > device reply. I installed the latest package for vm-bhyve which did > not make any difference. I also deleted /usr/obj/* and checked out a > fresh /usr/src and rebuilt FreeBSD-14.2-RELEASE from source without > anything working differently. > > If anyone has a working tap device using FreeBSD 14.2-RELEASE, I would > appreciate you sharing your bhyve portions of /etc/rc.conf, > /etc/sysctl.conf and /boot/loader.conf files. > I dont have anything unusual in my config. I am running just a few days ahead of 14.2, but I dont think that makes a difference kldstat Id Refs Address Size Name 1 47 0xffffffff80200000 1f3d9c0 kernel 2 1 0xffffffff8213f000 5da658 zfs.ko 3 1 0xffffffff8271a000 36c8 coretemp.ko 4 2 0xffffffff8271e000 8dae8 pf.ko 5 1 0xffffffff827ac000 77d8 cryptodev.ko 6 1 0xffffffff827b4000 3c58 pflog.ko 7 1 0xffffffff83c20000 3390 acpi_wmi.ko 8 1 0xffffffff83c24000 4250 ichsmb.ko 9 1 0xffffffff83c29000 2178 smbus.ko 10 1 0xffffffff83c2c000 7798 if_bridge.ko 11 1 0xffffffff83c34000 60e0 bridgestp.ko 12 1 0xffffffff83c3b000 33c0 uchcom.ko 13 1 0xffffffff83c3f000 4e10 ucom.ko 14 1 0xffffffff83e00000 33e438 vmm.ko 15 1 0xffffffff83c44000 4850 nullfs.ko Starting up a vm works as before for me vmrun.sh -t tap0 -d /baseimage/14-1VM-p6.raw -E vm0 Launching virtual machine "vm0" ... fbuf frame buffer base: 0x2be256a00000 [sz 16777216] 3h 3h 3h BdsDxe: loading Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x3,0x0) BdsDxe: starting Boot0001 "UEFI Misc Device" from PciRoot(0x0)/Pci(0x3,0x0) Consoles: EFI console Reading loader env vars from /efi/freebsd/loader.env Setting currdev to disk0p2: FreeBSD/amd64 EFI loader, Revision 1.1 Command line arguments: loader.efi Image base: 0x1e27a000 EFI version: 2.70 EFI Firmware: BHYVE (rev 1.00) Console: efi (0x20001000) Load Path: \EFI\BOOT\BOOTX64.EFI Load Device: PciRoot(0x0)/Pci(0x3,0x0)/HD(2,GPT,E140336F-1F4D-11EF-AE18-002590EC5BF2,0x17B,0x10418) BootCurrent: 0001 BootOrder: 0000 0001[*] 0002 0003 0004 BootInfo Path: PciRoot(0x0)/Pci(0x3,0x0) Ignoring Boot0001: Only one DP found Trying ESP: PciRoot(0x0)/Pci(0x3,0x0)/HD(2,GPT,E140336F-1F4D-11EF-AE18-002590EC5BF2,0x17B,0x10418) Setting currdev to disk0p2: Trying: PciRoot(0x0)/Pci(0x3,0x0)/HD(1,GPT,E1403365-1F4D-11EF-AE18-002590EC5BF2,0x22,0x159) Setting currdev to disk0p1: Trying: PciRoot(0x0)/Pci(0x3,0x0)/HD(3,GPT,E1403374-1F4D-11EF-AE18-002590EC5BF2,0x10593,0x200000) Setting currdev to disk0p3: Trying: PciRoot(0x0)/Pci(0x3,0x0)/HD(4,GPT,E1403378-1F4D-11EF-AE18-002590EC5BF2,0x210593,0x11FFF6D) Setting currdev to zfs:zroot/ROOT/default: - Loading /boot/defaults/loader.conf Loading /boot/defaults/loader.conf Loading /boot/device.hints Loading /boot/loader.conf Loading /boot/loader.conf.local ?c\ | ______ ____ _____ _____ | ____| | _ \ / ____| __ \ | |___ _ __ ___ ___ | |_) | (___ | | | | | ___| '__/ _ \/ _ \| _ < \___ \| | | | | | | | | __/ __/| |_) |____) | |__| | | | | | | | || | | | . . . root@freebsd:~ # ping 8.8.8.8 PING 8.8.8.8 (8.8.8.8): 56 data bytes 64 bytes from 8.8.8.8: icmp_seq=0 ttl=114 time=28.173 ms ^C --- 8.8.8.8 ping statistics --- 1 packets transmitted, 1 packets received, 0.0% packet loss round-trip min/avg/max/stddev = 28.173/28.173/28.173/0.000 ms root@freebsd:~ # shutdown -p now Shutdown NOW! ... The bridge to tap0 works as expected. It gets auto created for me I can create new ones too # ifconfig tap1 create # ifconfig tap1 tap1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=4080000<LINKSTATE,MEXTPG> ether 58:9c:fc:10:63:02 groups: tap media: Ethernet 1000baseT <full-duplex> status: no carrier nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL> On an actually 14.2R box, if I add to rc.conf cloned_interfaces="bridge0 tap0" it gets created at boot % ifconfig tap0 tap0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> metric 0 mtu 1500 options=80000<LINKSTATE> ether 58:9c:fc:10:ff:ed groups: tap media: Ethernet 1000baseT <full-duplex> status: no carrier nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>