Date: Fri, 27 Jul 2007 13:02:16 -0600 From: Scott Long <scottl@samsco.org> To: Rink Springer <rink@freebsd.org> Cc: current@freebsd.org Subject: Re: Extremely high interrupt count / load on recent CURRENT Message-ID: <46AA4138.6090509@samsco.org> In-Reply-To: <20070727154128.GA3093@rink.nu> References: <20070727154128.GA3093@rink.nu>
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Can you try removing drivers one at time until it goes away? Also, what kind of machine is this? 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, >
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