Date: Thu, 23 Feb 2012 09:52:50 -0800 From: Vijay Singh <vijju.singh@gmail.com> To: hackers@freebsd.org Subject: USB issue on 8.2 Message-ID: <CALCNsJRP7jEuF3_9ptUeCB-2znX2N9MnxfEe8C-sQnJ2cD2q8A@mail.gmail.com>
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Hi hackers. I am seeing an issue where the USB controller is
generating a large number of interrupts.
last pid: 6639; load averages: 1.39, 1.48, 2.46 up 0+01:07:14 12:35:05
2590 processes:9 running, 462 sleeping, 3 zombie, 2116 waiting
CPU: 0.2% user, 0.0% nice, 11.5% system, 10.6% interrupt, 77.7% idle
Mem: 277M Active, 425M Inact, 241M Wired, 2704K Cache, 7488K Buf, 1017M Free
Swap: 1024M Total, 1024M Free
PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
10 root 171 ki31 0K 64K RUN 3 34:37 89.40% {idle: cpu3}
10 root 171 ki31 0K 64K CPU2 2 33:56 85.94% {idle: cpu2}
10 root 171 ki31 0K 64K CPU0 0 37:20 76.27% {idle: cpu0}
10 root 171 ki31 0K 64K RUN 1 25:09 55.27% {idle: cpu1}
11 root -64 - 0K 480K WAIT 1 14:40 33.40% {irq16: ehci1}
interrupt total rate
irq16: ehci1 488177801 114166
Is this known? Any patches I can test?
-vijay
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