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Date:      Sat, 24 Mar 2007 16:24:12 -0700
From:      "Josh Carroll" <josh.carroll@gmail.com>
To:        "Vlad GURDIGA" <gurdiga@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: IRQ storm
Message-ID:  <8cb6106e0703241624j1cf617acpe18c6e6e9a1e77cb@mail.gmail.com>
In-Reply-To: <da7069940703241601i4de83223w6147f54a53005435@mail.gmail.com>
References:  <da7069940703241601i4de83223w6147f54a53005435@mail.gmail.com>

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> I've changed motherboard recently (now it is Intel DP965LT) and now I
> have my PC slowed down considerably. vmstat -i shows a huge amount of
> interrupts on irq17: atapci0:

Do you have atapicam enabled or being loaded as a module? If so, I
have the same problem, which is currently being tracked in this PR:

http://www.freebsd.org/cgi/query-pr.cgi?pr=103602

A workaround, if you don't need/want to burn cds/dvds is to remove
atapicam or don't load the module at boot time.

Thanks,
Josh



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