Fischer, Anna wrote: >> Subject: RE: ixgbe and SRIOV failure in driver? >> >>> -----Original Message----- >>> From: netdev-ow...@vger.kernel.org >>> [mailto:netdev-ow...@vger.kernel.org] On Behalf Of Fischer, Anna >>> Sent: Friday, May 21, 2010 9:33 AM >>> To: e1000-devel@lists.sourceforge.net; net...@vger.kernel.org >>> Subject: ixgbe and SRIOV failure in driver? >>> >>> I am running a system with 3 Intel NICs. Two of them are 82598 >>> devices, and one is a SRIOV capable 82599. >>> >>> All devices use the ixgbe driver. What happens (I believe) now is >>> that when the driver loads at first, it sees the 82598 first >>> (because of its position in the PCI tree) and then it says "Device >>> not IOV capable - switching off IOV." >>> >>> So then it switches into non-IOV mode, and I can never enable SRIOV >>> on my 82599, because the driver does not enable it any more for >>> further devices. >>> >>> So to get around this issue, I tried to use pciback.hide to hide the >>> 82598 devices from the OS. That way I was hoping that the driver >>> would switch on SRIOV on my 82599. However, then I got a kernel >>> panic on boot (see below). >>> >>> I am running Xen 4 and the Dom0 kernel is a 2.6.31 kernel. >> >> The ixgbe driver included with the 2.6.31 kernel does not support >> SR-IOV. Where did you get the driver that does? Please run ethtool >> -i <ethx> and post the results. > > I have installed the driver separately on my pv-ops kernel. > > [r...@211052610-f-cpu ~]# ethtool -i eth > driver: ixgbe > version: 2.0.75.7-NAPI > firmware-version: 0.9-3 > bus-info: 0000:05:00.0 > > I have attached a log on when the drivers loads. There is a bit more > debugging information enabled. You can see that the driver loads at > first on devices 0000:02:00.0 and 0000:02:00.1 which are 82598 > devices and don't support SRIOV. So the driver switches off SRIOV. > When it loads it on the 82599 which sits on 0000:05:00.0, it does not > even have the SRIOV parameter enabled anymore, even though I load the > driver with 'modprobe ixgbe max_vfs=4'.
Load the driver by specifying max_vfs for each adapter. For example if your adapters enumerate 82598, 82598, 82599: modprobe ixgbe max_vfs=0,0,4 Thanks, Emil ------------------------------------------------------------------------------ _______________________________________________ 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
