Date: Wed, 27 May 2009 12:51:45 -0500 From: Andrew Gould <andrewlylegould@gmail.com> To: FreeBSD Questions Mailing List <freebsd-questions@freebsd.org> Subject: interrupt storm on irq 10 Message-ID: <d356c5630905271051v67e7bc4cy8b7a3371452e0b52@mail.gmail.com>
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I purchased a NetGear WPN511 cardbus wireless adapter (atheros chipset) yesterday. The card uses irq 10, as does the firewire port and ethernet port (fxp0) on my Dell Inspiron 8100. The laptop is running FreeBSD 7.2 Release (generic kernel). When I bootup the laptop with the wireless adapter in the cardbus slot, I see messages regarding "interrupt storm detected throttling interrupt source". This did not occur prior to adding the wireless adapter. If I insert the wireless adapter after bootup, I don't see the messages on the console or as dmesg output. Otherwise, the adapter works fine. Are interrupt storms a problem? Do I need to worry about them? If so, is there anything I can do about them? Thanks, Andrew
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