On 20 March 2012 12:52, Matt Thyer <matt.th...@gmail.com> wrote: > On 20 March 2012 21:12, Ivan Voras <ivo...@freebsd.org> wrote: >> >> On 20/03/2012 06:26, Matt Thyer wrote: >> > I've upgraded my FreeBSD-STABLE NAS from r225723 (22nd Sept 2011) to >> > r232477 (4th Mar 2012) and am finding that a system process called >> > "intr" >> > is now constantly using about 60% of 1 CPU starting a short time after >> > reboot (possibly triggered by use of the samba server). >> > >> > When this starts, systat -vm 1 says that the system is 85% idle and 14% >> > interrupt handling. >> > It says that there's around 157k interrupts per second. >> > >> >> Ok, but *which* interrupt is getting triggered? Please send the output >> of "vmstat -i". >> >> > interrupt total rate > irq16: uhci0+ 3392184862 126692
Ok, something's probably wrong with USB. Can you disable it in BIOS? > cpu0: timer 53549677 1999 > irq256: mps0 2643187 98 > irq257: re0 5508108 205 > irq258: ahci0 160717 6 > cpu1: timer 53525300 1999 > cpu2: timer 53525300 1999 > cpu3: timer 53525296 1999 > Total 3614622447 134999 >
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