Date: Mon, 17 Dec 2012 20:42:20 +0000 (UTC) From: Eitan Adler <eadler@FreeBSD.org> To: doc-committers@freebsd.org, svn-doc-all@freebsd.org, svn-doc-head@freebsd.org Subject: svn commit: r40409 - head/en_US.ISO8859-1/books/faq Message-ID: <201212172042.qBHKgKA6066482@svn.freebsd.org>
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Author: eadler Date: Mon Dec 17 20:42:20 2012 New Revision: 40409 URL: http://svnweb.freebsd.org/changeset/doc/40409 Log: calcru-negative-runtime has been fixed for years Noted by: imp Approved by: bcr (mentor) Modified: head/en_US.ISO8859-1/books/faq/book.xml Modified: head/en_US.ISO8859-1/books/faq/book.xml ============================================================================== --- head/en_US.ISO8859-1/books/faq/book.xml Mon Dec 17 18:46:45 2012 (r40408) +++ head/en_US.ISO8859-1/books/faq/book.xml Mon Dec 17 20:42:20 2012 (r40409) @@ -2899,37 +2899,6 @@ chip1@pci0:31:5: class=0x040100 c </qandaentry> <qandaentry> - <question id="calcru-negative-runtime"> - <para>Why are <errorname>calcru: negative runtime</errorname> - or <errorname>calcru: runtime went backwards</errorname> - messages pounding the console?</para> - </question> - - <answer> - <para>There is a known problem when enabling &intel; Enhanced - SpeedStep from the BIOS: it causes the kernel to start printing - <errorname>calcru</errorname> messages like this:</para> - - <screen>calcru: runtime went backwards from 6 usec to 3 usec for pid 37 (pagezero) -calcru: runtime went backwards from 6 usec to 3 usec for pid 36 (vmdaemon) -calcru: runtime went backwards from 170 usec to 138 usec for pid 35 (pagedaemon) -calcru: runtime went backwards from 553 usec to 291 usec for pid 15 (swi6: task queue) -calcru: runtime went backwards from 15521 usec to 10366 usec for pid 2 (g_event) -calcru: runtime went backwards from 25 usec to 12 usec for pid 11 (swi1: net) -calcru: runtime went backwards from 4417 usec to 3960 usec for pid 1 (init) -calcru: runtime went backwards from 2084385 usec to 1793542 usec for pid 1 (init) -calcru: runtime went backwards from 408 usec to 204 usec for pid 0 (swapper)</screen> - - <para>It is because &intel; SpeedStep (EIST) is incompatible - with some motherboards.</para> - - <para>Workaround: Disable the EIST feature in the BIOS. You - can still achieve ACPI-based processor frequency throttling - by using &man.powerd.8;.</para> - </answer> - </qandaentry> - - <qandaentry> <question id="computer-clock-skew"> <para>Why does the clock on my computer keep incorrect time?</para> </question>
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