On 05/05/14 22:20, Alexander Duyck wrote: > On 05/05/2014 01:38 PM, Thomas Petazzoni wrote: >> 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, > > Glad to hear that this is working on your ARM platform as expected. > > I believe the issue Shiv is having is due to a problem with the specific > platform as the IGB device is reporting a Data Link Protocol error via > AER and I believe this is what is causing his platform issues. On > enabling BME the device is likely signalling a Fatal Error message in > response to the DLP error. The original error he was seeing was: > > Unhandled fault: imprecise external abort (0x1406) at 0x00000000
I should sort out making these errors non-fatal to the system, there's not really much point in killing a process that may not have been the initiator of the problem. -- Ben Dooks http://www.codethink.co.uk/ Senior Engineer Codethink - Providing Genius ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/NeoTech _______________________________________________ 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
