Oh, did you leave it in acpi mode or switch to device tree? You'll need some files from https://github.com/raspberrypi/firmware/tree/next/boot if it's in device tree mode.
>From kettenis@: "A workaround is to take the bcm2711-rpi-4-b.dtb, fixup4.dat and start4.elf files from https://github.com/raspberrypi/firmware/tree/next/boot and put them on the MS-DOS partition of your uSD card." On 2020/05/19 20:46, Stuart Henderson wrote: > On 2020/05/19 19:38, Oliver Seidel wrote: > > Dear all, > > > > I have been using a beagle bone black as my firewall for years. It works > > splendid. I run a dozen VLANS into the 100mbit Ethernet port and have the > > managed switch fan them out to rooms. > > > > This means internet needs to go into this thing and out again. At 100mbit, > > you get 50mbit peak (minus overheads). > > > > so I thought I am throwing away some bandwidth, I can do better and got > > myself an RPi4. > > > > Over the weekend I installed the OpenBSD snapshot on it. It works, but I > > have a problem with the Ethernet. Ping is a factor 10 000 slower than on > > the Beagle Bone Black. The Ethernet interface on BBB is cpsw0, on RPi4 it > > is bse0. > > 10000, really? Can you show the actual figures in milliseconds? > > > I know 6.7 is only released today, so I will re-install the official > > release, but I doubt that much would have changed in 3 days. > > > > Does anyone have a suggestion what I should try? > > > > Thanks! > > > > Oliver > > > > FWIW pinging the wired interface on my rpi4 running OpenBSD, I get a > response back in around 0.5ms, which is comparable with all other devices > on my lan. >