[PATCH 2/2] Note about the use of secondary cards with DRI

Juan Francisco Cantero Hurtado iam at juanfra.info
Mon Oct 31 19:53:16 PDT 2011

 share/man/man4/drm.4 |    6 ++++++
 1 files changed, 6 insertions(+), 0 deletions(-)

diff --git a/share/man/man4/drm.4 b/share/man/man4/drm.4
index 3c38f08..688e388 100644
--- a/share/man/man4/drm.4
+++ b/share/man/man4/drm.4
@@ -102,6 +102,12 @@ EndSection
+If you have two graphic cards (i.e.: a on-board graphics and other AGP/PCI/PCIe
+card) and you would like use the secondary device with DRI, you will need make
+a symbolic link from /dev/dri/card1 to /dev/dri/card0 always. This is a old bug
+of Xorg, the DRI module only reads the first device.
 Debugging output can be enabled and disabled by setting the
 .Xr sysctl 8

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