Date: Wed, 6 Feb 2008 11:21:29 -0800 From: Chuck Swiger <cswiger@mac.com> To: Dominic Fandrey <kamikaze@bsdforen.de> Cc: freebsd-stable@freebsd.org Subject: Re: RELENG_7: interrupt eating whole cpu core Message-ID: <7872AB6E-21DA-4E2D-93C0-D07CFA3A7E47@mac.com> In-Reply-To: <47AA0696.5020109@bsdforen.de> References: <47A9F835.1060200@bsdforen.de> <47AA0696.5020109@bsdforen.de>
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Hi, Dominic-- On Feb 6, 2008, at 11:12 AM, Dominic Fandrey wrote: >> behaviour has changed. This is an HP 6510b GR695EA#ABD, if anyone >> thinks it might be helpful, I can supply you with a dmesg and the >> output of pciconf -lv. > > The problem remains with fresh sources: > > PID USERNAME THR PRI NICE SIZE RES STATE C TIME CPU > COMMAND > 12 root 1 171 ki31 0K 16K RUN 0 22:04 97.85% > idle: cpu0 > 37 root 1 -64 - 0K 16K CPU1 1 2:35 96.00% > irq14: ata0 > 11 root 1 171 ki31 0K 16K RUN 1 19:32 6.40% > idle: cpu1 > > The rip is done by k3b, so the drive is accessed through the cam > interface. What are the values being reported by "sysctl hw.ata"? If you're going to be burning CD/DVDs, you really want to make sure hw.ata.atapi_dma is on. Regards, -- -Chuck
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