Dear Alexander Duyck, On Mon, 05 May 2014 08:28:02 -0700, Alexander Duyck wrote:
> > 1. So overall issue is any memory/config space access hangs(logs above) > > if bus master enable bit is set on IGB NIC card,this is not observed > > with E1000E NIC cards on same platform. > > > > 2. Above issue is repro'able on my ARM platform, not x86 ubuntu. Not > > sure how much its related to ARM though. > > > > 3. I saw below differences in lspci -vvv output b/w e1000e and igb, I am > > not sure if this has anything to do with above issue. > > RC config is same for both cases. > > > > IGB / E1000E > > > > Command Status: INTx+/INTx- > > PM Status: NoSoftRst+/NoSoftRst- > > DevCap: FLReset-/FLReset+ > > No Dev/Link2 Cap/Sta Registers for E1000E > > Some differences in AER Registers > > > > 4. Any idea, if this card is verified on ARM by anybody? > > > > It seems like you are glossing over the obvious issue. You said it > yourself, this works fine on x86. Therefore this is likely VERY related > to ARM, or at least your specific ARM platform configuration. Since I haven't seen the beginning of the thread, I might be completely off topic. However, I wanted to mention that I have successfully used and tested an IGB PCIe NIC on an ARM Armada XP platform. If that is useful, I'd be happy to provide you with additional details upon request. Best regards, Thomas -- Thomas Petazzoni, CTO, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com ------------------------------------------------------------------------------ Is your legacy SCM system holding you back? Join Perforce May 7 to find out: • 3 signs your SCM is hindering your productivity • Requirements for releasing software faster • Expert tips and advice for migrating your SCM now http://p.sf.net/sfu/perforce _______________________________________________ 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
