On Thu, Jul 05, 2018 at 03:36:17AM +0200, Farid Joubbi wrote: > Hi, > > I have a server running bhyve in FreeBSD. I did PCI passthrough in order > to have exclusive access to one of the network interfaces on the server. > My plan was to use that NIC in OpenBSD. Unfortunately when I boot the 6.3 > release installer I get this in dmesg: > "em0 at pci0 dev 5 function 0 "Intel 82576" rev 0x01: couldn't map > interrupt". > > The installation goes through without errors, but the Intel NIC is not > visible during install or after rebooting the installed system. > > Man pages suggest that the problem is a fatal initialization error. > > The NIC works without problems installing FreeBSD. > In FreeBSD the NIC uses the igb driver. > > https://man.openbsd.org/FreeBSD-11.1/igb.4 > > The OpenBSD man page for em lists 82576EB as supported. > > The NIC is an Intel Gigabi ET2 quad: > https://ark.intel.com/products/series/46841/Intel-Gigabit-ET-Server-Adapter-Series > > Could it be that the quad variant of the NIC is not supported by OpenBSD? > Is there anything I can do to make it work? > Is it possible to use the igb driver in OpenBSD somehow? > > Thanks.
Before anyone at all spends any time on this, please verify if this works without bhyve in the way. Eg, boot natively on this hardware and see. Or did you already do that? In which case the commentary about bhyve is extraneous. -ml
