svn commit: r40755 - head/en_US.ISO8859-1/books/faq
Eitan Adler
eadler at FreeBSD.org
Sat Jan 26 19:35:25 UTC 2013
Author: eadler
Date: Sat Jan 26 19:35:24 2013
New Revision: 40755
URL: http://svnweb.freebsd.org/changeset/doc/40755
Log:
Old ATA devices don't solicit many questions these days.
Noted by: rpaulo, imp
Approved by: bcr (mentor, implicit)
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 Sat Jan 26 19:35:22 2013 (r40754)
+++ head/en_US.ISO8859-1/books/faq/book.xml Sat Jan 26 19:35:24 2013 (r40755)
@@ -2700,41 +2700,6 @@ kern.timecounter.hardware: TSC -> i82
</qandaentry>
<qandaentry>
- <question id="udma-icrc">
- <para>What are <errorname>UDMA ICRC</errorname> errors, and
- how do I fix them?</para>
- </question>
-
- <answer>
- <para>The &man.ata.4; driver reports <errorname>UDMA
- ICRC</errorname> errors when a DMA transfer to or from a drive
- is corrupted. The driver will retry the operation a few
- times. Should the retries fail, it will switch from DMA to
- the slower PIO mode of communication with the device.</para>
-
- <para>The problem can be caused by many factors, although
- perhaps the most common cause is faulty or incorrect
- cabling. Check that the ATA cables are undamaged and rated
- for the Ultra DMA mode in use. If you are using
- removable drive trays, they must also be compatible. Be
- sure that all connections are making good contact. Problems
- have also been noticed when an old drive is installed on the
- same ATA channel as an Ultra DMA 66 (or faster)
- drive. Lastly, these errors can indicate that the drive is
- failing. Most drive vendors provide testing software for
- their drives, so test your drive, and, if necessary, back up
- your data and replace it.</para>
-
- <para>The &man.atacontrol.8; utility can be used to show and
- select the DMA or PIO modes used for each ATA device. In
- particular, <command>atacontrol mode
- <replaceable>channel</replaceable></command> will show the
- modes in use on a particular ATA channel, where the primary
- channel is numbered 0, and so on.</para>
- </answer>
- </qandaentry>
-
- <qandaentry>
<question id="lock-order-reversal">
<para>What is a <errorname>lock order
reversal</errorname>?</para>
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