On 2013-10-01, Patrick Lamaiziere <patf...@davenulle.org> wrote: > Hello, > > With OpenBSD 5.3, our firewall does not handle our network load well. > We loose around 5% of packets and netstat shows a lot of Ierr. > > That worked much better with 5.1. There was a change to not enable MSI > on 82572 chipset on our Intel card ( "Intel PRO/1000 QP (82571EB)" rev 0x06) > in 5.2 : > > http://freshbsd.org/commit/openbsd/a47ca448720823019bc6c618bf178a47fd1af73a > > My question is: could it be the cause of our load problem ? > > 5.1: > em0 at pci5 dev 0 function 0 "Intel PRO/1000 QP (82571EB)" rev 0x06: msi, > address 00:15:17:ed:98:9d > em1 at pci5 dev 0 function 1 "Intel PRO/1000 QP (82571EB)" rev 0x06: msi, > address 00:15:17:ed:98:9c > em2 at pci6 dev 0 function 0 "Intel PRO/1000 QP (82571EB)" rev 0x06: msi, > address 00:15:17:ed:98:9f > em3 at pci6 dev 0 function 1 "Intel PRO/1000 QP (82571EB)" rev 0x06: msi, > address 00:15:17:ed:98:9e > > 5.3 (on another box with the same hardware): > em0 at pci5 dev 0 function 0 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 1 > int 13, address 00:15:17:ed:98:65 > em1 at pci5 dev 0 function 1 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 1 > int 6, address 00:15:17:ed:98:64 > em2 at pci6 dev 0 function 0 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 1 > int 15, address 00:15:17:ed:98:67 > em3 at pci6 dev 0 function 1 "Intel PRO/1000 QP (82571EB)" rev 0x06: apic 1 > int 13, address 00:15:17:ed:98:66 > > We don't have any problem with this card, how can we re-enable MSI (without > reverting this change)?
Simplest way to test is to just revert that change in your source tree.. That will identify whether this issue is due to disabling MSI, or whether it's due to one of the many other changes between 5.1 and 5.3..
