Re: [E1000-devel] IGMP Join dropping multicast packets

2009-03-20 Thread Brandeburg, Jesse
On Wed, 18 Mar 2009, Dave Boutcher wrote: > If you go back in this thread I had a dead easy unprivileged user-land > testcase > that causes frame loss.  We ran into this in a production environment > (and I kind > of glossed over how long it took to figure out why the hell we were dropping > frame

Re: [E1000-devel] IGMP Join dropping multicast packets

2009-03-18 Thread David Miller
From: "Brandeburg, Jesse" Date: Wed, 18 Mar 2009 10:24:18 -0700 (Pacific Daylight Time) > Interesting, this code has been there for eons (and probably this > behavior) but that doesn't mean its not a problem. > > We are in the process of figuring out if there are any hardware corner > cases to

Re: [E1000-devel] IGMP Join dropping multicast packets

2009-03-18 Thread Dave Boutcher
On Wed, Mar 18, 2009 at 12:24 PM, Brandeburg, Jesse wrote: > > On Tue, 17 Mar 2009, Dave Boutcher wrote: > > Eric, based on your inability to recreate this, I tried on some other > > hardware I had lying around that has an AMD chipset built-in NIC. > > I could not recreate the problem on that hard

Re: [E1000-devel] IGMP Join dropping multicast packets

2009-03-18 Thread Dave Boutcher
On Wed, Mar 18, 2009 at 12:24 PM, Brandeburg, Jesse < jesse.brandeb...@intel.com> wrote: > On Tue, 17 Mar 2009, Dave Boutcher wrote: >> Eric, based on your inability to recreate this, I tried on some other >> hardware I had lying around that has an AMD chipset built-in NIC. >> I could not recreate

Re: [E1000-devel] IGMP Join dropping multicast packets

2009-03-18 Thread Brandeburg, Jesse
On Tue, 17 Mar 2009, Dave Boutcher wrote: > Eric, based on your inability to recreate this, I tried on some other > hardware I had lying around that has an AMD chipset built-in NIC. > I could not recreate the problem on that hardware. I'm starting to > think this is an e1000 problem. In both the