Module: xenomai-2.6
Branch: master
Commit: 054b5e40f63245edf49e134c96fea4491f1fc3c5

Author: Gilles Chanteperdrix <>
Date:   Thu Sep 26 23:25:47 2013 +0200

doc: update graphic driver advice in troubleshooting guide


 doc/asciidoc/TROUBLESHOOTING.adoc |   27 +++++++++++++++------------
 1 files changed, 15 insertions(+), 12 deletions(-)

diff --git a/doc/asciidoc/TROUBLESHOOTING.adoc 
index 5ae7a25..f5d966d 100644
--- a/doc/asciidoc/TROUBLESHOOTING.adoc
+++ b/doc/asciidoc/TROUBLESHOOTING.adoc
@@ -169,7 +169,7 @@ If some peripheral is not working properly, then it 
probably needs
 SMI, in which case you can not simply disable SMI globally, you will
 need to disable all SMI sources on your system except the SMI needed
 by your peripheral. The same goes if the system overheat, you have to
-find a waytto keep the SMI source which is controlling the thermal
+find a way to keep the SMI source which is controlling the thermal
 control enabled. This is a much less reliable choice, since you have
 to know all SMI sources to disable them, one by one. In order to
 choose this second workaround, check in the documentation for the
@@ -493,13 +493,7 @@ The latency test runs, but you are seeing high latencies.
 configuration" section>>.
 * make sure that you do not have an issue with SMIs, see the <<SMI,
-section about SMIs>>. Note that if you have an Intel chipset and you
-do not see the message:
-Xenomai: SMI-enabled chipset found, but SMI workaround disabled
-in the boot logs, it may mean that your chipset is not detected.
+section about SMIs>>.
 * if you have some legacy USB switch at BIOS configuration level, try
 disabling it.
@@ -516,14 +510,23 @@ kicking out the BIOS off the concerned hardware, and 
deactivate the
 USB legacy mode if set in the same move.
 * if you observe high latencies while running X-window, try disabling
-  hardware acceleration in the X-window server file; in the +Device+
-  section of '/etc/X11/XF86Config-4' add the following line:
+hardware acceleration in the X-window server file. With recent
+versions of X-window, try using the 'fbdev' driver. Install it 
+(Debian package named 'xserver-xorg-video-fbdev' for instance), then
+modifiy the +Device+ section to use this driver in
+'/etc/X11/xorg.conf', as in:
+Section "Device"
+       Identifier  "Card0"
+       Driver      "fbdev"
+With olders versions of X-window, add the following line to the
++Device+ section:
        Option "NoAccel"
 ARM tsc emulation issues

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