我很久以前就使用过fglrx驱动程序，但我改用了开源驱动程序。我Xorg.0.log收到以下警告。
[ 35.380] (II) LoadModule: "glx"
[ 35.416] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 35.518] (II) Module glx: vendor="X.Org Foundation"
[ 35.518] compiled for 1.15.1, module version = 1.0.0
[ 35.518] ABI class: X.Org Server Extension, version 8.0
[ 35.518] (==) AIGLX enabled
[ 35.518] Loading extension GLX
[ 35.518] (==) Matched fglrx as autoconfigured driver 0
[ 35.518] (==) Matched ati as autoconfigured driver 1
[ 35.518] (==) Matched fglrx as autoconfigured driver 2
[ 35.518] (==) Matched ati as autoconfigured driver 3
[ 35.518] (==) Matched fglrx as autoconfigured driver 4
[ 35.518] (==) Matched ati as autoconfigured driver 5
[ 35.518] (==) Matched modesetting as autoconfigured driver 6
[ 35.518] (==) Matched fbdev as autoconfigured driver 7
[ 35.518] (==) Matched vesa as autoconfigured driver 8
[ 35.518] (==) Assigned the driver to the xf86ConfigLayout
[ 35.518] (II) LoadModule: "fglrx"
[ 35.525] (WW) Warning, couldn't open module fglrx
[ 35.525] (II) UnloadModule: "fglrx"
[ 35.525] (II) Unloading fglrx
[ 35.525] (EE) Failed to load module "fglrx" (module does not exist, 0)
[ 35.525] (II) LoadModule: "ati"
[ 35.525] (II) Loading /usr/lib/xorg/modules/drivers/ati_drv.so
[ 35.526] (II) Module ati: vendor="X.Org Foundation"
[ 35.526] compiled for 1.15.1, module version = 7.3.0
[ 35.526] Module class: X.Org Video Driver
[ 35.526] ABI class: X.Org Video Driver, version 15.0
[ 35.526] (II) LoadModule: "radeon"
[ 35.526] (II) Loading /usr/lib/xorg/modules/drivers/radeon_drv.so
[ 35.565] (II) Module radeon: vendor="X.Org Foundation"
[ 35.565] compiled for 1.15.1, module version = 7.3.0
[ 35.565] Module class: X.Org Video Driver
[ 35.565] ABI class: X.Org Video Driver, version 15.0
[ 35.565] (II) LoadModule: "modesetting"
[ 35.565] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 35.565] (II) Module modesetting: vendor="X.Org Foundation"
[ 35.565] compiled for 1.15.0, module version = 0.8.1
[ 35.565] Module class: X.Org Video Driver
[ 35.565] ABI class: X.Org Video Driver, version 15.0
[ 35.565] (II) LoadModule: "fbdev"
[ 35.566] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 35.566] (II) Module fbdev: vendor="X.Org Foundation"
[ 35.566] compiled for 1.15.0, module version = 0.4.4
[ 35.566] Module class: X.Org Video Driver
[ 35.566] ABI class: X.Org Video Driver, version 15.0
[ 35.566] (II) LoadModule: "vesa"
[ 35.566] (WW) Warning, couldn't open module vesa
[ 35.566] (II) UnloadModule: "vesa"
[ 35.566] (II) Unloading vesa
[ 35.566] (EE) Failed to load module "vesa" (module does not exist, 0)
[ 35.566] (==) Matched fglrx as autoconfigured driver 0
[ 35.566] (==) Matched ati as autoconfigured driver 1
[ 35.566] (==) Matched fglrx as autoconfigured driver 2
[ 35.566] (==) Matched ati as autoconfigured driver 3
[ 35.566] (==) Matched fglrx as autoconfigured driver 4
[ 35.566] (==) Matched ati as autoconfigured driver 5
[ 35.566] (==) Matched modesetting as autoconfigured driver 6
[ 35.566] (==) Matched fbdev as autoconfigured driver 7
[ 35.566] (==) Matched vesa as autoconfigured driver 8
[ 35.567] (==) Assigned the driver to the xf86ConfigLayout
[ 35.567] (II) LoadModule: "fglrx"
[ 35.567] (WW) Warning, couldn't open module fglrx
[ 35.567] (II) UnloadModule: "fglrx"
[ 35.567] (II) Unloading fglrx
[ 35.567] (EE) Failed to load module "fglrx" (module does not exist, 0)
[ 35.567] (II) LoadModule: "ati"
[ 35.567] (II) Loading /usr/lib/xorg/modules/drivers/ati_drv.so
[ 35.567] (II) Module ati: vendor="X.Org Foundation"
[ 35.567] compiled for 1.15.1, module version = 7.3.0
[ 35.567] Module class: X.Org Video Driver
[ 35.567] ABI class: X.Org Video Driver, version 15.0
[ 35.567] (II) LoadModule: "modesetting"
[ 35.568] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 35.568] (II) Module modesetting: vendor="X.Org Foundation"
[ 35.568] compiled for 1.15.0, module version = 0.8.1
[ 35.568] Module class: X.Org Video Driver
[ 35.568] ABI class: X.Org Video Driver, version 15.0
[ 35.568] (II) UnloadModule: "modesetting"
[ 35.568] (II) Unloading modesetting
[ 35.568] (II) Failed to load module "modesetting" (already loaded, 0)
[ 35.568] (II) LoadModule: "fbdev"
[ 35.568] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 35.568] (II) Module fbdev: vendor="X.Org Foundation"
[ 35.568] compiled for 1.15.0, module version = 0.4.4
[ 35.568] Module class: X.Org Video Driver
[ 35.568] ABI class: X.Org Video Driver, version 15.0
[ 35.568] (II) UnloadModule: "fbdev"
[ 35.568] (II) Unloading fbdev
[ 35.568] (II) Failed to load module "fbdev" (already loaded, 0)
[ 35.568] (II) LoadModule: "vesa"
[ 35.569] (WW) Warning, couldn't open module vesa
[ 35.569] (II) UnloadModule: "vesa"
[ 35.569] (II) Unloading vesa
[ 35.569] (EE) Failed to load module "vesa" (module does not exist, 0)
[ 35.569] (II) RADEON: Driver for ATI Radeon chipsets:
但我没有加载fglrx模块。
ansh@ansh-HP:~$ grep -R 'fglrx' /etc/modprobe.d
/etc/modprobe.d/blacklist.conf:#blacklist fglrx
为什么内核要尝试加载fglrx驱动radeon程序两次？