Submit #2178

Updated by swildner almost 5 years ago

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