<div dir="ltr"><div>In most cases there is no need to run "-configure" since X can autodetect many things using defaults provided by distro.</div><div>Have you tried official debian wiki (it is about amdgpu, not general modesetting)</div><div><a href="https://wiki.debian.org/AtiHowTo">https://wiki.debian.org/AtiHowTo</a> ?</div><div> </div><div>I think that "/dev/dri/card0: No such file or directory" means there is no kernel driver (no module compiled or not loaded by udev)</div><div>Do you run custom kernel? Have you tried to load module manually using (modprobe)? </div><div> </div></div> <div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, Mar 25, 2020 at 9:00 PM Klaus Jantzen <<a href="mailto:k.d.jantzen@mailbox.org" target="_blank">k.d.jantzen@mailbox.org</a>> wrote: </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">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: : 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" # #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: : 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" # #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@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 <a href="http://wiki.x.org" rel="noreferrer" target="_blank">http://wiki.x.org</a> 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? Thanks in advance -- K.D.J. _______________________________________________ <a href="mailto:xorg@lists.x.org" target="_blank">xorg@lists.x.org</a>: X.Org support Archives: <a href="http://lists.freedesktop.org/archives/xorg" rel="noreferrer" target="_blank">http://lists.freedesktop.org/archives/xorg</a> Info: <a href="https://lists.x.org/mailman/listinfo/xorg" rel="noreferrer" target="_blank">https://lists.x.org/mailman/listinfo/xorg</a> Your subscription address: %(user_address)s </blockquote></div>