> -----Original Message----- > From: Kirsher, Jeffrey T > Sent: Monday, January 28, 2013 4:46 AM > To: Josh Boyer > Cc: [email protected]; Allan, Bruce W; [email protected]; > [email protected]; [email protected]; [email protected] > Subject: Re: [net] e1000e: enable ECC on I217/I218 to catch packet buffer > memory errors > > On Mon, 2013-01-28 at 07:38 -0500, Josh Boyer wrote: > > On Mon, Jan 28, 2013 at 5:43 AM, Jeff Kirsher > > <[email protected]> wrote: > > > From: Bruce Allan <[email protected]> > > > > > > In rare instances, memory errors have been detected in the internal > packet > > > buffer memory on I217/I218 when stressed under certain > environmental > > > conditions. Enable Error Correcting Code (ECC) in hardware to catch > both > > > correctable and uncorrectable errors. Correctable errors will be handled > > > by the hardware. Uncorrectable errors in the packet buffer will cause > the > > > packet to be received with an error indication in the buffer descriptor > > > causing the packet to be discarded. If the uncorrectable error is in the > > > descriptor itself, the hardware will stop and interrupt the driver > > > indicating the error. The driver will then reset the hardware in order to > > > clear the error and restart. > > > > > > Both types of errors will be accounted for in statistics counters. > > > > > > Signed-off-by: Bruce Allan <[email protected]> > > > Cc: <[email protected]> # 3.5.x & 3.6.x > > > > 3.5.x is maintained by Canonical, not officially as a stable kernel (I > > have no idea why). 3.6.x isn't maintained any longer. > > > > Is this applicable to 3.4.x and 3.7.x? > > It is applicable to 3.7.x, not sure if it applicable to 3.4.x.
Not applicable to 3.4.x (no support for I217 or I218 prior to 3.5 which was not yet EOL'ed when I originally wrote this patch). Bruce.
