svn commit: r40409 - head/en_US.ISO8859-1/books/faq
Eitan Adler
eadler at FreeBSD.org
Mon Dec 17 20:42:21 UTC 2012
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 at 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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