On 2023-05-17, Florian Obser <flor...@openbsd.org> wrote: > On 2023-05-17 18:02 UTC, l...@fuji.kuistio.me wrote: >> Hi >> >> I have a desktop machine I recently installed OpenBSD 7.3 on. Everything >> seems to be working fine except that it doesn't obtain a DHCP lease when >> waking up from suspend. I haven't found any docs saying if it even should >> do this. However, I also have a laptop running 7.3 and it does automatically >> connect to a network when waking up from suspend. So I'm a bit confused >> about why this works on the laptop but not on the desktop. >> >> On both machines I have created a hostname.if file under /etc. The desktop >> machine does obtain a dhcp lease after the system has booted up, but it >> doesn't do this after waking up from suspend as explained earlier. The >> laptop is using wifi and the desktop is using a usb-ethernet adapter. > > The USB Ethernet adapter gets disconnected from the USB bus on suspend > and re-discovered on resume. ifconfig will show that it does not have > the autoconf flag set nor does it have any IPv4 addresses configured. > > Effectively it becomes a new device on resume. > > I'm not aware of any way to fix / work around this. Calling netstart(8) > from apm probably races against the kernel and the USB adapter might not > be there yet when it runs.
hotplugd perhaps.
