On 208, 07 27, 2010 at 04:05:52 +0400, Andrey Panin wrote: > On 207, 07 26, 2010 at 09:45:06AM -0700, Brandeburg, Jesse wrote: > > > > On Mon, 26 Jul 2010, Andrey Panin wrote: > > > I have a problem using IPMI on Super Micro X7SBL motherboard > > > (AOC-IPMI20-E BMC). > > > BMC shares ethernet port with onboard e1000e. It works when IPMI traffic > > > is > > > untagged (CrcStripping=0 module option used), but if I try to use 802.1Q > > > vlan > > > for IPMI traffic BMC stops responding right after "ifup eth0". > > > > We've heard of this issue (or similar) before. I believe for the other > > guys they had to run IPMI traffic untagged, if your main network is > > running untagged. The problem in this case is that the tags are being > > stripped in hardware even for the SMBUS packets, at which point the BMC > > that is stupid and doesn't understand offloading hardware gets confused > > that the traffic it is receiving doesn't have a vlan tag. > > I suspected something like that. Unfortunately Super Micro isn't interested > in fixing their BMC, at least latest firmware doesn't fix the issue. > > > > I tested 2.6.26 (debian stable kernel) and 2.6.35-rc6. > > > Looks like there is some problem with 802.1Q tags stripping/inserting. > > > > Thanks for testing the latest kernel. > > > > > There was no such problem with e1000 driver from 2.6.18. > > > > Hm, that is an interesting statement. The major changes to the driver > > include stripping tags all the time when not in promisc mode, and there > > have been some fixes and attempts to fix the ipmi issues some > > (particularly supermicro) BMCs have. I'm quite surprised it worked for > > you at all (there have been quite a few issues in this area) > > After some sleep I'm not so sure that it was really working :( > I'll retest it more thoroughly this evening.
After retest I can confirm that tagged IPMI works with 2.6.18 e1000 driver. ------------------------------------------------------------------------------ The Palm PDK Hot Apps Program offers developers who use the Plug-In Development Kit to bring their C/C++ apps to Palm for a share of $1 Million in cash or HP Products. Visit us here for more details: http://p.sf.net/sfu/dev2dev-palm _______________________________________________ E1000-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/e1000-devel To learn more about Intel® Ethernet, visit http://communities.intel.com/community/wired
