I see the same issue on the most recent snapshot. Upgrading to current, disabling mpbios, and applying mikeb's patch[1] on tech@ and things are looking a lot better. bsd.rd has never exhibited this issue for me FWIW
[1] http://marc.info/?l=openbsd-tech&m=133665750315650&w=2 On Fri, May 11, 2012 at 2:13 PM, Simon Perreault <sperrea...@openbsd.org>wrote: > On 2012-05-11 04:15, Garry Dolley wrote: > >> I now have an amd64 test VM set up, where I installed stock 5.0. >> >> I ran a lot of traffic over em0 without any timeouts. >> > > That's expected. 5.0 has been running without issue for me for a long time. > > > I also have been trying several -current kernels. >> >> As of: >> >> OpenBSD 5.1-current (GENERIC) #205: Wed Mar 28 21:40:45 MDT 2012 >> >> I don't see any em0 timeouts. >> >> I will continue to try newer ones and report back here... >> > > Why not just test 5.1? Problems have been reported against 5.1, not > -current. > > Simon