Hi Dave, Thanks for the reply.
I meant to say the E1000e. I started with version 2.5.4 and merged in anything new I found in version 3.04. Matt Edwards -----Original Message----- From: Ertman, DavidX M [mailto:[email protected]] Sent: Thursday, May 15, 2014 5:45 PM To: Matt Edwards; [email protected] Subject: RE: 82579 Transmit hang with C200 and ME > -----Original Message----- > From: Matt Edwards [mailto:[email protected]] > Sent: Wednesday, May 07, 2014 10:04 AM > To: [email protected] > Subject: [E1000-devel] 82579 Transmit hang with C200 and ME > > Hello, > > I have modified the current E1000 for a small embedded system. The > driver works well on systems that do not have Intel ME. On systems > that have Intel ME the transmit hangs. BTW the only systems I have > tested with ME are > C200 PCH boards. The problem could also be the result of differences > between the C200 and C202. > > On transmit I have verified that transmit descriptor head and tail > pointer registers are correct after the driver loads up the DMA > buffers but the MAC never sends the frames and never updates the head, > and never sets the DD bit. This code works with other NIC's and on > other 82579 NIC's. Receive DMA works fine. > > I've had transmit hangs when the PHY throws data away, but when that > happens the MAC updates the descriptors as thought the packets were > transmitted. > > Is there something at the system level that must be running with Intel ME. > I've gone the E1000 driver to find all ME specific code and I think I > have included it. > > Any help is very much appreciated, > Best Regards, > Matt > Good afternoon Matt, You started with the e1000 driver? Why not the e1000e driver? There are quite a few workarounds for 82579 in the e1000e driver that do not exist in e1000. Dave Ertman ------------------------------------------------------------------------------ "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE Instantly run your Selenium tests across 300+ browser/OS combos. Get unparalleled scalability from the best Selenium testing platform available Simple to use. Nothing to install. Get started now for free." http://p.sf.net/sfu/SauceLabs _______________________________________________ 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
