Hello, Eugene. You wrote 1 февраля 2011 г., 15:38:33: > Eugene wrote: >> You could give a try to netisr parallelism of RELENG_8 instead of POLLING >> (and tune interrupt throttling) if your box does not have lots of dynamic >> interfaces like when using mpd.
> Jack wrote: >> I don't test POLLING, sounds like its broken, I don't understand >> why you think you need you need it? This hardware supports >> MSI why not use it? > I send one answer to two messages, because data is the same. > Here it is snapshot of "top -S" with "H" pressed when server sends > 1Gbit/s via SMB with polling (Windows'7 client copies 8GiB sparse file to very > fast local disk): > the same without polling, with net.isr settings: > # sysctl net.isr > net.isr.direct: 0 > net.isr.direct_force: 0 After these settings server lost connection. It works locally, no panic, but "ping gateway" shows "No buffer space available", and any other "network activity" shows the same message. Up-down of interface helps. I attached outputs of: vmstat -m netstat -m sysctl dev.em0 BEFORE interface reset No polling, net.isr.direct=0, net.isr.direct_force=0 -- // Black Lion AKA Lev Serebryakov <l...@freebsd.org>
sysctl.dev.em0.log
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vmstat-m.log
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netstat-m.log
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