On 5/15/2013 6:15 PM, Dave, Tushar N wrote: >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] >> Sent: Wednesday, May 15, 2013 3:30 PM >> To: [email protected] >> Subject: [E1000-devel] IGB device support question >> >> Hi, >> >> I'm currently running the 3.0.36 kernel on custom HW using an MPC8347 PPC >> SOC with an Intel RC82540EP gigabit ethernet controller that we're talking >> to with the e1000 driver. We're seeing a lot of problems with memory (bad >> page table entries, out-of-memory panics, etc.) when we take the interface >> down and back up with ifconfig. >> >> I'm suspicious that our problem is due to using an old driver that has >> memory issues. We're not in a position to move forward on kernel versions >> right now, so I have a couple of questions I hope you can answer. >> >> 1) Does the IGB driver support the RC82540EP? I'm not finding any obvious >> references to the part in .../drivers/net/ethernet/intel/igb in the 3.9 >> tree. > No 82540 is supported by e1000 driver. >> 2) If it does, how bad would it be to try and backport to the 3.0.36 >> kernel? > There isn't much development into e1000 driver (only few bug fixes) between > 3.0.36 and current stable kernel release. So I am not sure if backporting is > going to solve the issues. 82540 is old part and in recent years I haven't > seen anything like you describing i.e. bad page table entries, out-of-memory > panics, etc. > Please send the panic message and I will look into it. I am guessing this is > system/board specific, right? Or you have similar issues on more than one > type of system(s)?
Also, igb is a driver for a different family of Ethernet chips to the family of chips supported by the e1000 driver. The compatibility doesn't exist between the two sets of architecture in the hardware. Cheers, -PJ ------------------------------------------------------------------------------ AlienVault Unified Security Management (USM) platform delivers complete security visibility with the essential security capabilities. Easily and efficiently configure, manage, and operate all of your security controls from a single console and one unified framework. Download a free trial. http://p.sf.net/sfu/alienvault_d2d _______________________________________________ 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
