>-----Original Message----- >From: Gavin Hamill [mailto:[email protected]] >Sent: Monday, August 09, 2010 4:41 PM >To: Wyborny, Carolyn >Cc: [email protected] >Subject: RE: [E1000-devel] 5% dropped packets under high load >with e1000e > >On Mon, 2010-08-09 at 16:32 -0700, Wyborny, Carolyn wrote: > >> > Well, I think flow control isn't the problem. 8-) It can explain >> dropped packets though. Good question on the ITR setting. That >> source certainly doesn't look exactly right. I will find >out for sure >> and let you know. I will also do some more checking around on >> possible causes for your symptoms. > >Thanks. It's an old version (yay, Debian) so I expect if it's a bug >it'll have already been fixed long ago. > >OK, before I give up for today, I just tried again and this time passed >ITR params of 0,0,0,0 > >[39312146.839789] 0000:15:00.0: Interrupt Throttling Rate (ints/sec) >turned off >[39312146.995702] eth3: (PCI Express:2.5GB/s:Width x4) >00:23:7d:fb:df:1a > >etc... > >and vmstat now shows much higher interrupts as expected: > >procs -----------memory---------- ---swap-- -----io---- -system-- >----cpu---- > r b swpd free buff cache si so bi bo in cs us sy >id wa > 0 0 60 1291684 164324 347104 0 0 0 0 0 0 1 4 95 0 > 0 0 60 1291676 164324 347104 0 0 0 0 50976 992 0 16 83 0 > 0 0 60 1291312 164324 347104 0 0 0 0 62448 1088 0 20 79 0 > 0 0 60 1291296 164324 347104 0 0 0 0 45185 1015 0 12 87 0 > 0 0 60 1292040 164324 347104 0 0 0 0 34170 1060 1 10 89 0 > >But... the key thing is a still rising number of dropped connections :( > >eth3 Link encap:Ethernet HWaddr 00:24:81:7b:04:ac > UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 > RX packets:4943354 errors:0 dropped:21757 overruns:0 frame:0 > >I'm losing hair as it is - I could do without this too ;) > >gdh > > > > > Hello again,
So has this system always been this way or has something changed recently, updated kernel, updated/changed driver? I'll have more later today> Thanks, Carolyn ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ 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
