>-----Original Message----- >From: Waskiewicz Jr, Peter P >Sent: Wednesday, May 15, 2013 6:41 PM >To: Dave, Tushar N >Cc: [email protected]; [email protected] >Subject: Re: [E1000-devel] IGB device support question > >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. Yeah, PJ is right. Thanks PJ.
-Tushar ------------------------------------------------------------------------------ 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
