Hi, On Fri, 25 Feb 2011 08:41:20 +0900 Ryan McBride <mcbr...@openbsd.org> wrote: .. >| The output of `systat mbufs` is worth looking at, in particular the >| figure for LIVELOCKS, and the LWM/CWM figures for the interface(s) in >| question. >| >| If the livelocks value is very high, and the LWM/CWM numbers are very >| small,
Thnak you for your help, Ryan. It seems I'm in this situation: 5 users Load 0.17 0.15 0.10 (1-48 of 58) Fri Feb 25 20:27:44 2011 IFACE LIVELOCKS SIZE ALIVE LWM HWM CWM System 256 82050 5446 2k 257 1252 lo0 em0 34 2k 4 4 256 4 em1 257 2k 4 4 256 4 em2 338382 2k 7 4 256 7 em3 8258 2k 4 4 256 4 em4 22635 2k 48 4 256 48 em5 3470 2k 6 4 256 6 em6 458241 2k 28 4 256 28 em7 8 2k 4 4 256 4 em8 33232 2k 50 4 256 50 em9 46878 2k 4 4 256 4 "systat -s 2 vmstat": 5 users Load 0.22 0.17 0.10 Fri Feb 25 20:28:18 2011 memory totals (in KB) PAGING SWAPPING Interrupts real virtual free in out in out 25589 total Active 741204 741204 1761104 ops 1600 clock All 1278264 1278264 1761104 pages 11 ipi 1 em0 Proc:r d s w Csw Trp Sys Int Sof Flt forks em1 15 32 5 117 22867 99 33 fkppw 2691 em2 fksvm em3 3.2%Int 0.1%Sys 0.0%Usr 0.0%Nic 96.8%Idle pwait 6778 em4 | | | | | | | | | | | relck 382 em5 || rlkok 7328 em6 noram em7 Namei Sys-cache Proc-cache No-cache ndcpy 6724 em8 Calls hits % hits % miss % fltcp 74 em9 3 zfod uhci1 cow ehci0 Disks wd0 cd0 sd0 25328 fmin ehci1 seeks 33770 ftarg pciide0 xfers itarg com0 speed 241 wired com1 sec pdfre pckbc0 pdscn pzidle 44 kmapent 81542 IPKTS 78860 OPKTS (it's on a device with MAX_INTS_PER_SEC=8000) >|it is likely that the MCLGETI interface is protecting your system >| from being completly flattened by forcing the em card to drop packets >| (supported by your statement that the error rate is high). >| >| How about a _full_ dmesg, so someone can take a wild guess at what >| your machine is capable of? http://www.oxymium.net/tmp/core3-dmesg This device is not overloaded but it drop packets :-( Manuel