Just follow up on this: For direct paththrough mode: Problems was solved when I upgrade firmware with 2.9.1200,just as Albert's suggestion as below:
http://marc.info/?t=132789095200001&r=1&w=2 For SR-IOV mode As I coundn't find a server with SR-IOV enabled. I solved the problem with pci rescan, commad as below: echo 1 > /sys/devices/pci0000\:00/0000\:00\:07.0/remove echo 1 > /sys/bus/pci/rescan -----邮件原件----- 发件人: linux-rdma-ow...@vger.kernel.org [mailto:linux-rdma-ow...@vger.kernel.org] 代表 Albert Strasheim 发送时间: 2012年11月27日 12:55 收件人: Jon Stanley 抄送: Zhangxiaofeng; linux-rdma@vger.kernel.org 主题: Re: mellanox mlx4_core and SR-IOV Hello TLDR: get firmware 2.9.1200 and wait for 3.7. On Tue, Nov 27, 2012 at 4:30 AM, Jon Stanley <jonstan...@gmail.com> wrote: > On Mon, Nov 26, 2012 at 8:05 PM, Zhangxiaofeng > <victor.zhangxiaof...@huawei.com> wrote: > >> Hello, >> I tried to use SR-IOV virtualization for Mellanox ConnectX2 card with kernel >> 3.6.7. > > I'm not 100% sure, but I don't think that the CX2 supports SR-IOV - I > think you need the CX3 for that. It should work soon. Some bits from Roland: https://plus.google.com/115480450168703320714/posts/YmTB6sJM9GG Also watch out for: https://plus.google.com/115480450168703320714/posts/8AQ4oCA3o6k Some bits from Mellanox: """ ... this is a single function system where you pass the single function to a guest VM. Issues related to FLR to a single function are fixed in firmware release 2.9.1200. The latest firmware GA version is 2.9.1000. You can create your own intermediate firmware version 2.9.1200. Please, note that the intermediate firmware version 2.9.1200 will not be supported. """ If you don't have the 2.9.1200 firmware, you will probably run into this issue with function level reset: http://marc.info/?t=132789095200001&r=1&w=2 2.9.1200 is hiding here: http://www.mellanox.com/content/pages.php?pg=custom_firmware_table See also: http://www.mellanox.com/pdf/firmware/ConnectX2-FW-2_9_1200-release_notes.pdf Cheers Albert -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
