Date: Fri, 27 Jul 2007 21:15:29 +0200 From: Rink Springer <rink@freebsd.org> To: Scott Long <scottl@samsco.org> Cc: Rink Springer <rink@freebsd.org>, current@freebsd.org Subject: Re: Extremely high interrupt count / load on recent CURRENT Message-ID: <20070727191529.GB3093@rink.nu> In-Reply-To: <46AA4138.6090509@samsco.org> References: <20070727154128.GA3093@rink.nu> <46AA4138.6090509@samsco.org>
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On Fri, Jul 27, 2007 at 01:02:16PM -0600, Scott Long wrote: > Can you try removing drivers one at time until it goes away? Also, I'll give this a try later. It's faily easy to reproduce - just use the machine for longer than 1 hour and it'll waste 50% time on interrupts... > what kind of machine is this? This is a 2x Opteron 846 on a Tyan K8SE motherboard, running i386. 2GB RAM. Anything else you need to know? FWIW, the dmesg is available at http://rink.nu/tmp/dmesg-pitchfork.txt Regards, -- Rink P.W. Springer - http://rink.nu "root is always right" -- the kernel > > Scott > > > Rink Springer wrote: > > Hi everyone, > > > > Since my last csup, I'm encountering very high interrupt counts (and > > thus, a high associated interrupt load) on my workstation. > > > > vmstat -i reports: > > > > interrupt total rate > > irq1: atkbd0 26087 1 > > irq14: ata0 58 0 > > irq16: emu10kx0 1051388503 78968 > > irq17: nvidia0+ 1189799 89 > > irq20: ohci0 16596 1 > > irq21: ehci0 1 0 > > irq22: atapci1 1387849 104 > > irq23: atapci2 905538 68 > > irq24: arcmsr0 176404 13 > > irq27: isp0 85 0 > > irq28: bge0 37642180 2827 > > cpu0: timer 26627670 1999 > > cpu1: timer 26595670 1997 > > Total 1145956440 86071 > > > > The problem is, when I remove the snd_emu10kx driver (I load it as a > > module in loader(8)), then irq28: bge0 starts to exhibit the same > > pattern, generating thousands of interrupts. > > > > My kernel is GENERIC + ULE - WITNESS, but the problem also > > occured using plain GENERIC. dmesg is available at > > http://rink.nu/tmp/dmesg-pitchfork.txt > > > > Can anyone help me track this down? > > > > Regards, > > > > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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