On Wed, 2010-06-30 at 10:53 +0200, Stefan Assmann wrote: > From: Stefan Assmann <sassm...@redhat.com> > > It looks like the VFs get initialized before all the PFs are. Therefore > the udev mapping MAC <-> ethX (for PFs) gets screwed because the VFs > may grab the ethX interface names (reserved by udev) for the PFs. > > Example: > igb max_vfs=0 > eth0 Link encap:Ethernet HWaddr 00:13:20:F7:A5:9E > eth1 Link encap:Ethernet HWaddr 00:13:20:F7:A5:9F > eth2 Link encap:Ethernet HWaddr 00:13:20:F7:A5:A0 > eth3 Link encap:Ethernet HWaddr 00:13:20:F7:A5:A1 > igb max_vfs=1 > eth0 Link encap:Ethernet HWaddr 00:13:20:F7:A5:9E > eth1 Link encap:Ethernet HWaddr 0A:CF:41:69:F7:A9 > eth2 Link encap:Ethernet HWaddr 3A:FE:20:4C:2A:3B > eth3 Link encap:Ethernet HWaddr C6:C3:B1:56:C9:A4 > eth3_rename Link encap:Ethernet HWaddr 00:13:20:F7:A5:9F > eth4 Link encap:Ethernet HWaddr 6E:8A:8A:A3:5F:69 > eth4_rename Link encap:Ethernet HWaddr 00:13:20:F7:A5:A0 > eth5_rename Link encap:Ethernet HWaddr 00:13:20:F7:A5:A1 > > In the example above VF 0A:CF:41:69:F7:A9 grabs eth1 but udev > has a rule that says eth1 should be assigned PF 00:13:20:F7:A5:9F > (eth3_rename) and waits for the VF to disappear to rename eth3_rename > to eth1. Unfortunately eth1 is not going to disappear. > This is not a udev bug since udev doesn't create persistent rules for > VFs as their MAC address changes every reboot. [...]
I think it is a bug in the udev rules: udev should rename the VFs even though their names won't be persistent. Ben. -- Ben Hutchings, Senior Software Engineer, Solarflare Communications Not speaking for my employer; that's the marketing department's job. They asked us to note that Solarflare product names are trademarked. ------------------------------------------------------------------------------ This SF.net email is sponsored by Sprint What will you do first with EVO, the first 4G phone? Visit sprint.com/first -- http://p.sf.net/sfu/sprint-com-first _______________________________________________ E1000-devel mailing list E1000-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
