Date: Wed, 10 Oct 2007 09:14:46 -0700 From: Nate Lawson <nate@root.org> To: Roman Pavlik <rp@tns.cz> Cc: freebsd-acpi@freebsd.org Subject: Re: HP6710: acpi_task_0 - WCPU 96.68% Message-ID: <470CFA76.3000503@root.org> In-Reply-To: <20071010073957.GA9625@belzebub.tns.cz> References: <20071010073957.GA9625@belzebub.tns.cz>
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Roman Pavlik wrote: > This issue appears on 7-CURRENT running on HP 6710b. I'm running > kernel where the following options were commented out: > #options PREEMPTION # Enable kernel thread preemption > #options ADAPTIVE_GIANT # Giant mutex is adaptive. > > There is issue with the process acpi_task_0. It consumes 96.68% WCPU. What happens if you enable those two options? This is probably a Notify storm caused by the inability to ack it. -- Nate
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