Date: Wed, 30 Mar 2005 18:22:51 +0200 From: Divacky Roman <xdivac02@stud.fit.vutbr.cz> To: Jung-uk Kim <jkim@niksun.com> Cc: Dan Cojocar <dan.cojocar@gmail.com> Subject: Re: Interrupt storm Message-ID: <20050330162251.GA13437@stud.fit.vutbr.cz> In-Reply-To: <200503291335.33385.jkim@niksun.com> References: <b37cb097050329102222136cd9@mail.gmail.com> <200503291335.33385.jkim@niksun.com>
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On Tue, Mar 29, 2005 at 01:35:33PM -0500, Jung-uk Kim wrote: > On Tuesday 29 March 2005 01:22 pm, Dan Cojocar wrote: > > Hello all, > > > > I noticed the following interrupt storm in my dmesg: > > > > Interrupt storm detected on "irq11: rl1"; throttling interrupt > > source Interrupt storm detected on "irq5: rl0"; throttling > > interrupt source > > > > Here is my vmstat -i: > > interrupt total rate > > irq0: clk 128600 199 > > irq1: atkbd0 2499 3 > > irq4: sio0 2 0 > > irq5: rl0 128901 200 > > irq8: rtc 82294 127 > > irq11: rl1 128902 200 > > irq12: psm0 16152 25 > > irq14: ata0 12600 19 > > irq15: ata1 71 0 > > Total 500021 776 > > > > and here is my dmesg: > > http://cs.ubbcluj.ro/~dan/dmesg.txt > > > > I have options DEVICE_POLLING and options HZ=200, i have tested > > with greater HZ values like 1000, and without DEVICE_POLLING but i > > have the same storm. > > Try this: > > http://docs.freebsd.org/cgi/mid.cgi?200503161154.04555.jkim as this points to my posts... my problem is not the interrupt storm, but that I dont have assigned irq for keyboard (which makes it slow I think). and this is clear regression because in 5.3R it worked ;( where should I look (in sources) what changed? I am not very skilled with this lowlevel stuff but I am able and willing to try to hunt this down. thnx for reply roman
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