1. Supply dmesg, we're not playing guessing games 2. This HW is known to have interrupt issues similar to what is described in PR 5707, so if you are runing -current snapshot on the box, try disabling all the acpi bells and whistles and things should improve substantially.
Regards Johan M:son On Wednesday 06 February 2008 14:59:25 holger glaess wrote: > hi > > my hardeware are 2 pices of > hp dl 145 g2 2gb ram and a intel based 1gb quad interfaces card 1 sata hd. > > this work as firewall system with 5 carp interfaces with up to 15 ip. > > per box are 5 ethernet interfaces active. ( the system have 6 , the quad > card and 2 on board ) > > is is possible the the hp box is not possible to do more than 2000 > interupts per irq ? i have in my environment a trougthput per interface > from 10 to 50Mbit. > > if interupts going over 1800 on one interface i get massiv slow downs and > packet lost. > > the rise the net.inet.ip.ifq.maxlen to 1024 ( i saw before drops ) . > > to solve the problem as hot fix i did a trunk of 2 interfaces for this > interfaces with highes interrupts load. > > top shows me close to 100% interrupts load but less then 1 overall load. > > vmstat -i > > interrupt total rate > irq12/pciide1 62702 0 > irq11/bge0 84232199 986 > irq10/bge1 11944226 139 > irq7/em0 129003925 1510 > irq5/em1 59507109 696 > irq11/em2 134192386 1571 > irq11/em3 5185828 60 > irq1/pckbc0 6 0 > irq0/clock 8539373 99 > irq8/rtc 10930625 128 > Total 443598379 5194 > > > it is possible that this hardware to small for this traffic or it is a > problem from the design of the hp dl145 g2 ? > > > holger
