Module: xenomai-2.6
Branch: master
Commit: c15770aa99421319532e7cfed279351352599573
URL:    
http://git.xenomai.org/?p=xenomai-2.6.git;a=commit;h=c15770aa99421319532e7cfed279351352599573

Author: Mariusz Janiak <mariuszjan...@wp.pl>
Date:   Sun Dec 30 23:32:03 2012 +0100

doc: add doc about C1E option with AMD processors

---

 doc/asciidoc/TROUBLESHOOTING.adoc |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/doc/asciidoc/TROUBLESHOOTING.adoc 
b/doc/asciidoc/TROUBLESHOOTING.adoc
index 7ed01d6..0380bae 100644
--- a/doc/asciidoc/TROUBLESHOOTING.adoc
+++ b/doc/asciidoc/TROUBLESHOOTING.adoc
@@ -188,6 +188,7 @@ The most probable reason is that Xenomai could not find a 
timer.
 Check that you have not enabled one of the options in the
 <<kconf,"Kernel configuration">> section.
 
+
 On x86
 ^^^^^^
 
@@ -216,6 +217,24 @@ default by the BIOS. You may want to look at the file
 more information about this parameter.
 
 
+On AMD x86_64
+^^^^^^^^^^^^^
+
+You will most likely also see the following message:
+
+--------------------------------------------
+I-pipe: cannot use LAPIC as a tick device
+I-pipe: disable C1E power state in your BIOS
+--------------------------------------------
+
+Xenomai sends this message if C1E option is enabled in a BIOS. To fix
+this issue please disable C1E support in the BIOS. In some Award BIOS
+this option is located in the +Advanced BIOS Features->+ menu (+AMD
+C1E Support+).
+IMPORTANT: Disabling +AMD K8 Cool&Quiet+ option in a BIOS does not
+solve the problem.
+
+
 On other supported platforms
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 


_______________________________________________
Xenomai-git mailing list
Xenomai-git@xenomai.org
http://www.xenomai.org/mailman/listinfo/xenomai-git

Reply via email to