On Mon, Dec 23, 2019 at 08:17:37AM -0800, Philip Guenther wrote: > On Mon, Dec 23, 2019 at 5:04 AM Raymond, David <david.raym...@nmt.edu> > wrote: > > > The "timeout" error was numerically 60. Curiously, boards with RTL > > 8111GR chips did not produce these errors, but those with RTL 8111H > > chips did. Unfortunately, this chipset seems to be in a lot of newer > > motherboards. > > > > I didn't use ktrace/kdump. The openmpi software returned the error > > presented by readv/writev. > > > > It sounds like the simplest solution at this point is to try > > non-Realtek pcie network cards. Any suggestions? How are Intel or > > Broadcom cards? > > > > At this point I think you're clearly in the "device driver is buggy" > situation. If this device has an in-tree driver (and not something you're > compiling locally into your kernel) then you should start a new thread > starting with a dmesg and a clear description of the involved hardware.
I don't know what OpenMP uses for communication but re(4) does not return errno 60 (ETIMEDOUT). So it seems like it is something else. Also 8111G and 8111H are treated the same way in our re(4) driver. -- :wq Claudio
