On Mon, Apr 25, 2022 at 07:47:37PM -0000, Stuart Henderson wrote: > On 2022-04-25, Daniel Schuermann <[email protected]> wrote: > > I can't get transmission (bittorrent client) to work properly. > > > > From the logs: > > transmission-daemon: UDP Failed to set receive buffer: > > requested 4194304, got 41600 > > > > On Linux I would do: > > sysctl net.core.rmem_max=4194304 > > I couldn't figure out the correct settings for OpenBSD. > > > > net.inet.udp.recvspace sets the default, not the max buffer size, > > e.g. sysctl net.inet.udp.recvspace=4194304 causes errors: > > nslookup openbsd.org > > nslookup: isc_socket_create: not enough free resources > > That is the right sysctl, the alternative is to set per-socket with > setsockopt() (SO_SNDBUF, SO_RCVBUF). > > The max is 256K (262144).
Looking through upstream's problem tracker, I see that this is a design requirement of uTP and that the message, while appearing to be an error, is informational; uTP will still operate. https://trac.transmissionbt.com/ticket/4321 https://trac.transmissionbt.com/ticket/5317
