Date: Mon, 23 Aug 2010 09:20:36 +0300 From: Andriy Gapon <avg@icyb.net.ua> To: Doug Barton <dougb@FreeBSD.org> Cc: freebsd-current@FreeBSD.org Subject: Re: runaway intr problems: powerd and/or hw.acpi.cpu.cx_lowest related Message-ID: <4C721334.1050000@icyb.net.ua> In-Reply-To: <4C71E858.90009@FreeBSD.org> References: <4C71E858.90009@FreeBSD.org>
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on 23/08/2010 06:17 Doug Barton said the following: > I also got another interesting set of data today from a "runaway intr" situation > that did not involve swi:4. The symptoms were the same as previously, but the > devices involved were totally different. This may have to do with the fact that > I switched back to ULE for the testing today, and/or I hadn't set cx_lowest=C3. Yes, ULE rules. 4BSD usually only makes things better when there is some real problem and 4BSD masks it due to its design. > http://people.freebsd.org/~dougb/intr-out-3.txt So, hm, npviewer.bin eats all the CPU time? Just google that name and see that you are not alone. Can't help with that though. > This was with ULE + USB in the kernel, LAPIC/HPET, cx_lowest=C1, but running > powerd with the following: > powerd_flags="-a adaptive -b adaptive -n adaptive" -- Andriy Gapon
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