Date: Thu, 19 Aug 2010 18:24:36 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Doug Barton <dougb@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: Runaway intr, not flash related Message-ID: <4C6D4CB4.20601@icyb.net.ua> In-Reply-To: <alpine.BSF.2.00.1008121349230.1721@qbhto.arg> References: <alpine.BSF.2.00.1008121349230.1721@qbhto.arg>
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on 12/08/2010 23:57 Doug Barton said the following:
> My "runaway intr" problem with flash has been continuing all along, but
> since no one has been interested in helping with it I haven't reported
> it for a while. However, today, for the first time, it happened when I
> had not run flash at all since I booted.
>
> My system:
> Dell D620, C2D, i386, SMP, r210908
>
> swi4: clock is the culprit again this time, but when flash triggers this
> problem I sometimes see hdac as the culprit, FYI.
>
>
> last pid: 19763; load averages: 1.05, 1.40, 1.18 up 0+01:58:20
> 13:41:19
> 129 processes: 3 running, 106 sleeping, 20 waiting
> CPU 0: 20.8% user, 0.0% nice, 6.9% system, 8.5% interrupt, 63.8% idle
> CPU 1: 56.9% user, 0.0% nice, 8.5% system, 1.5% interrupt, 33.1% idle
> Mem: 182M Active, 1279M Inact, 187M Wired, 18M Cache, 112M Buf, 334M Free
> Swap: 1024M Total, 1024M Free
>
> PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND
> 10 root 171 ki31 0K 16K RUN 1 87:55 63.72% {idle:
> cpu1}
> 10 root 171 ki31 0K 16K RUN 0 88:03 60.69% {idle:
> cpu0}
> 1621 dougb 102 0 162M 141M select 0 14:19 29.54% Xorg
> 11 root -32 - 0K 160K WAIT 0 0:33 5.76% {swi4:
> clock}
> 1668 dougb 97 0 36808K 20864K select 0 0:38 3.61% {initial
> thread
> 1692 dougb 8 0 11136K 2284K nanslp 0 2:13 2.15% wmwlmon
> 19763 dougb 96 0 9912K 2076K CPU1 1 0:01 1.57% top
> 17 root 96 - 0K 8K syncer 1 0:48 1.17% syncer
> 1684 dougb 96 0 11020K 2108K select 1 1:10 1.12% wmbsdbatt
> 1762 dougb 96 0 36284K 15540K select 0 0:04 0.39% {initial
> thread
> 11 root -64 - 0K 160K WAIT 0 0:03 0.15% {irq22:
> uhci2}
> 783 root 96 0 9684K 1232K select 0 0:21 0.10% moused
> 1663 dougb 96 0 21388K 8912K select 1 0:15 0.10% openbox
> 11 root -32 - 0K 160K WAIT 1 0:17 0.05% {swi4:
> clock}
> 1817 dougb 96 0 90820K 53672K select 0 3:23 0.00% {initial
> thread
> 0 root -16 0 0K 64K sched 0 0:26 0.00% {swapper}
I am sorry, but I don't see anything dramatically wrong here.
So "swi4: clock" uses 5.76% of WCPU, is that such a big deal to be called "runaway
intr"?
A lot of CPU time is idle and a lot is used by userland processes (e.g. Xorg).
Can you provide data that better illustrate your problem?
--
Andriy Gapon
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