On Fri, Jan 27, 2023 at 11:25:24AM +0300, [email protected] wrote: > OpenBSD runs on Intel D2700MUD motherboard with Intel Atom processor, Intel > BIOS and 4 GB > of RAM. OpenBSD 7.0 updated to version 7.1 from the official mirror. After > the update, the system > on this computer works without errors, but I was unable to access devices > connected to the serial > ports, which worked fine in version 7.0. The serial ports are successfully > detected during the boot > process of OpenBSD 7.1. However, after it completes, no data is transferred > via /dev/cua00 and > /dev/cua01, nor /dev/tty00 and /dev/tty01. Upgrading to 7.2 did not change > the situation.
Between 7.0 and 7.1 there were changes to make com ports attach via acpi. Do you have the dmesg from 7.0? Specifically, what does it say in place of: > com0 at acpi0 UAR1 addr 0x3f8/0x8 irq 4: ns16550a, 16 byte fifo > com1 at acpi0 UAR2 addr 0x2f8/0x8 irq 3: ns16550a, 16 byte fifo
