Debian 10.3: X does not start
Alex Deucher
alexdeucher at gmail.com
Wed Mar 25 17:15:47 UTC 2020
On Wed, Mar 25, 2020 at 12:49 PM Klaus Jantzen <k.d.jantzen at mailbox.org> wrote:
>
> Hello,
>
> I installed Debian on a PC with AMD Ryzen 5 3400 G.
>
> My first trials ended with a message
>
> "Cannot run in framebuffer mode ..." from xorg.
>
> Due to some research in the net I am using the following xorg.conf.
> It is basically what I got when I did a "X -configure".
> ==
> Section "ServerLayout"
> Identifier "X.org Configured"
> Screen 0 "Screen0" 0 0
> Screen 1 "Screen1" RightOf "Screen0"
> InputDevice "Mouse0" "CorePointer"
> InputDevice "Keyboard0" "CoreKeyboard"
> EndSection
>
> Section "Files"
> ModulePath "/usr/lib/xorg/modules"
> FontPath "/usr/share/fonts/X11/misc"
> # FontPath "/usr/share/fonts/X11/cyrillic"
> FontPath "/usr/share/fonts/X11/100dpi/:unscaled"
> FontPath "/usr/share/fonts/X11/75dpi/:unscaled"
> FontPath "/usr/share/fonts/X11/Type1"
> FontPath "/usr/share/fonts/X11/100dpi"
> FontPath "/usr/share/fonts/X11/75dpi"
> FontPath "built-ins"
> EndSection
>
> Section "Module"
> Load "glx"
> EndSection
>
> Section "InputDevice"
> Identifier "Keyboard0"
> Driver "kbd"
> EndSection
>
> Section "InputDevice"
> Identifier "Mouse0"
> Driver "mouse"
> Option "Protocol" "auto"
> Option "Device" "/dev/input/mice"
> Option "ZAxisMapping" "4 5 6 7"
> EndSection
>
> Section "Monitor"
> Identifier "Monitor0"
> VendorName "Monitor Vendor"
> ModelName "Monitor Model"
> EndSection
>
> Section "Monitor"
> Identifier "Monitor1"
> VendorName "Monitor Vendor"
> ModelName "Monitor Model"
> EndSection
>
> Section "Device"
> ### Available Driver options are:-
> ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
> ### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
> ### <percent>: "<f>%"
> ### [arg]: arg optional
> #Option "Accel" # [<bool>]
> #Option "SWcursor" # [<bool>]
> #Option "EnablePageFlip" # [<bool>]
> #Option "SubPixelOrder" # [<str>]
> #Option "ZaphodHeads" # <str>
> #Option "AccelMethod" # <str>
> #Option "DRI3" # [<bool>]
> #Option "DRI" # <i>
> #Option "ShadowPrimary" # [<bool>]
> #Option "TearFree" # [<bool>]
> #Option "DeleteUnusedDP12Displays" # [<bool>]
> #Option "VariableRefresh" # [<bool>]
> Identifier "Card0"
> # Driver "amdgpu"
> Driver "modesetting"
> BusID "PCI:9:0:0"
> EndSection
>
> Section "Device"
> ### Available Driver options are:-
> ### Values: <i>: integer, <f>: float, <bool>: "True"/"False",
> ### <string>: "String", <freq>: "<f> Hz/kHz/MHz",
> ### <percent>: "<f>%"
> ### [arg]: arg optional
> #Option "Accel" # [<bool>]
> #Option "SWcursor" # [<bool>]
> #Option "EnablePageFlip" # [<bool>]
> #Option "SubPixelOrder" # [<str>]
> #Option "ZaphodHeads" # <str>
> #Option "AccelMethod" # <str>
> #Option "DRI3" # [<bool>]
> #Option "DRI" # <i>
> #Option "ShadowPrimary" # [<bool>]
> #Option "TearFree" # [<bool>]
> #Option "DeleteUnusedDP12Displays" # [<bool>]
> #Option "VariableRefresh" # [<bool>]
> Identifier "Card1"
> # Driver "amdgpu"
> Driver "modesetting"
> BusID "PCI:9:0:1"
> EndSection
>
> Section "Screen"
> Identifier "Screen0"
> Device "Card0"
> Monitor "Monitor0"
> SubSection "Display"
> Viewport 0 0
> Depth 1
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 4
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 8
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 15
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 16
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 24
> EndSubSection
> EndSection
>
> Section "Screen"
> Identifier "Screen1"
> Device "Card1"
> Monitor "Monitor1"
> SubSection "Display"
> Viewport 0 0
> Depth 1
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 4
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 8
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 15
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 16
> EndSubSection
> SubSection "Display"
> Viewport 0 0
> Depth 24
> EndSubSection
> EndSection
> ==
>
> Somewhere I found the hint that the driver for framebuffers is "modeseting"
> Thus I changed in the Device sections for Card0/Card1 the driver to
> "modesetting"
>
> Now the startup of X ends as follows:
> ====
> .....
> [ 7.719] (II) systemd-logind: logind integration requires -keeptty
> and -keeptty was not provided, disabling logind integration
> [ 7.724] (--) PCI:*(9 at 0:0:0) 1002:15d8:1043:876b rev 200, Mem @
> 0xe0000000/268435456, 0xf0000000/2097152, 0xfcb00000/524288, I/O @
> 0x0000e000/256
> [ 7.724] (II) "glx" will be loaded. This was enabled by default and
> also specified in the config file.
> [ 7.724] (II) LoadModule: "glx"
> [ 7.724] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
> [ 7.725] (II) Module glx: vendor="X.Org Foundation"
> [ 7.725] compiled for 1.20.4, module version = 1.0.0
> [ 7.725] ABI class: X.Org Server Extension, version 10.0
> [ 7.725] (II) LoadModule: "modesetting"
> [ 7.725] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
> [ 7.725] (II) Module modesetting: vendor="X.Org Foundation"
> [ 7.725] compiled for 1.20.4, module version = 1.20.4
> [ 7.725] Module class: X.Org Video Driver
> [ 7.725] ABI class: X.Org Video Driver, version 24.0
> [ 7.725] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
> [ 7.725] (EE) open /dev/dri/card0: No such file or directory
> [ 7.725] (WW) Falling back to old probe method for modesetting
> [ 7.725] (EE) open /dev/dri/card0: No such file or directory
> [ 7.725] (EE) open /dev/dri/card0: No such file or directory
> [ 7.725] (EE) Screen 0 deleted because of no matching config section.
> [ 7.725] (II) UnloadModule: "modesetting"
> [ 7.725] (EE) Device(s) detected, but none match those in the config
> file.
> [ 7.725] (EE)
> Fatal server error:
> [ 7.725] (EE) no screens found(EE)
> [ 7.725] (EE)
> Please consult the The X.Org Foundation support
> at http://wiki.x.org
> for help.
> [ 7.725] (EE) Please also check the log file at
> "/var/log/Xorg.0.log" for additional information.
> [ 7.725] (EE)
> [ 7.726] (EE) Server terminated with error (1). Closing log file.
>
> ====
>
> What I find strange is that the log says there is no device
> /dev/dri/card0
> while X -configure inserte thesi section into the conf-file.
>
> Does anyone have a solution for this problem?
My guess is that the kernel driver is not loaded. Probably because
you need to install the firmware package and update your initrd.
Alex
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