> Maybe there is a better place to post this message but as my question
> was still CentOS related thought I would start here. Please advise if
> there is a better forum of which to ask this question.
>
> I am playing around with making a "desktop" workstation out of a
> Raspberry PI3. I have had no problems installing the OS and pretty much
> have everything working except a Gnome desktop.
>
> I did:
>
> > yum groupinstall "GNOME Desktop"
>
> and from what I can tell everything necessary is installed. However when
> I try to start X up I see it try and start, the display blinks as if
> everything is good and then drops back down to the console. The log file
> shown below shows a single error ([ 2665.952] (EE) AIGLX: reverting to
> software rendering).
>
> [ 2665.710]
> X.Org X Server 1.17.2
> Release Date: 2015-06-16
> [ 2665.725] X Protocol Version 11, Revision 0
> [ 2665.731] Build Operating System: 4.5.7-fedora-4
> [ 2665.736] Current Operating System: Linux centos-rpi3 4.4.33-v7.1.el7
> #1 SMP Mon Nov 21 18:48:06 UTC 2016 armv7l
> [ 2665.736] Kernel command line: 8250.nr_uarts=0 dma.dmachans=0x7f35
> bcm2708_fb.fbwidth=1872 bcm2708_fb.fbheight=1168
> bcm2709.boardrev=0xa22082 bcm2709.serial=0x54bd9ed0
> smsc95xx.macaddr=B8:27:EB:BD:9E:D0 bcm2708_fb.fbswap=1
> bcm2709.uart_clock=48000000 vc_mem.mem_base=0x3dc00000
> vc_mem.mem_size=0x3f000000 dwc_otg.lpm_enable=0 console=ttyS0,115200
> console=tty1 root=/dev/mmcblk0p3 rootfstype=ext4 elevator=deadline
> rootwait selinux=1 security=selinux enforcing=0
> [ 2665.756] Build Date: 09 November 2016 05:46:31PM
> [ 2665.763] Build ID: xorg-x11-server 1.17.2-22.el7
> [ 2665.769] Current version of pixman: 0.34.0
> [ 2665.783] Before reporting problems, check http://wiki.x.org
> to make sure that you have the latest version.
> [ 2665.783] Markers: (--) probed, (**) from config file, (==) default
> setting,
> (++) from command line, (!!) notice, (II) informational,
> (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
> [ 2665.812] (==) Log file: "/var/log/Xorg.1.log", Time: Sat Dec 31
> 20:08:58 2016
> [ 2665.819] (==) Using config file: "/etc/X11/xorg.conf"
> [ 2665.827] (==) Using system config directory
> "/usr/share/X11/xorg.conf.d"
> [ 2665.828] (==) ServerLayout "Default Layout"
> [ 2665.828] (**) |-->Screen "Screen0" (0)
> [ 2665.828] (**) | |-->Monitor "Monitor0"
> [ 2665.829] (**) | |-->Device "VideocoreIV"
> [ 2665.829] (**) |-->Input Device "Keyboard0"
> [ 2665.829] (==) Automatically adding devices
> [ 2665.829] (==) Automatically enabling devices
> [ 2665.830] (==) Automatically adding GPU devices
> [ 2665.830] (==) Max clients allowed: 256, resource mask: 0x1fffff
> [ 2665.830] (==) FontPath set to:
> catalogue:/etc/X11/fontpath.d,
> built-ins
> [ 2665.830] (==) ModulePath set to "/usr/lib/xorg/modules"
> [ 2665.830] (II) The server relies on udev to provide the list of input
> devices.
> If no devices become available, reconfigure udev or disable
> AutoAddDevices.
> [ 2665.830] (WW) Hotplugging is on, devices using drivers 'kbd',
> 'mouse' or 'vmmouse' will be disabled.
> [ 2665.830] (WW) Disabling Keyboard0
> [ 2665.830] (II) Loader magic: 0x54cf7004
> [ 2665.830] (II) Module ABI versions:
> [ 2665.830] X.Org ANSI C Emulation: 0.4
> [ 2665.830] X.Org Video Driver: 19.0
> [ 2665.830] X.Org XInput driver : 21.0
> [ 2665.830] X.Org Server Extension : 9.0
> [ 2665.831] (II) no primary bus or device found
> [ 2665.831] (II) LoadModule: "glx"
> [ 2665.832] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
> [ 2665.855] (II) Module glx: vendor="X.Org Foundation"
> [ 2665.855] compiled for 1.17.2, module version = 1.0.0
> [ 2665.855] ABI class: X.Org Server Extension, version 9.0
> [ 2665.855] (==) AIGLX enabled
> [ 2665.855] (II) LoadModule: "fbdev"
> [ 2665.856] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
> [ 2665.857] (II) Module fbdev: vendor="X.Org Foundation"
> [ 2665.857] compiled for 1.17.2, module version = 0.4.3
> [ 2665.857] Module class: X.Org Video Driver
> [ 2665.857] ABI class: X.Org Video Driver, version 19.0
> [ 2665.857] (II) FBDEV: driver for framebuffer: fbdev
> [ 2665.857] (++) using VT number 1
>
> [ 2665.857] (WW) Falling back to old probe method for fbdev
> [ 2665.857] (II) Loading sub module "fbdevhw"
> [ 2665.857] (II) LoadModule: "fbdevhw"
> [ 2665.858] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
> [ 2665.859] (II) Module fbdevhw: vendor="X.Org Foundation"
> [ 2665.859] compiled for 1.17.2, module version = 0.0.2
> [ 2665.859] ABI class: X.Org Video Driver, version 19.0
> [ 2665.859] (II) FBDEV(0): using default device
> [ 2665.859] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card
> support
> [ 2665.860] (**) FBDEV(0): Depth 24, (--) framebuffer bpp 32
> [ 2665.860] (==) FBDEV(0): RGB weight 888
> [ 2665.860] (==) FBDEV(0): Default visual is TrueColor
> [ 2665.860] (==) FBDEV(0): Using gamma correction (1.0, 1.0, 1.0)
> [ 2665.860] (II) FBDEV(0): hardware: BCM2708 FB (video memory: 8541kB)
>
> [ 2665.860] (II) FBDEV(0): checking modes against framebuffer device...
> [ 2665.860] (II) FBDEV(0): mode "1920x1200" not found
> [ 2665.860] (II) FBDEV(0): mode "1600x1200" ok
> [ 2665.860] (II) FBDEV(0): mode "1280x1024" ok
> [ 2665.860] (II) FBDEV(0): mode "1152x864" ok
> [ 2665.860] (II) FBDEV(0): mode "1024x768" ok
> [ 2665.861] (II) FBDEV(0): mode "800x600" ok
> [ 2665.861] (II) FBDEV(0): mode "720x400" ok
> [ 2665.861] (II) FBDEV(0): mode "640x480" ok
> [ 2665.861] (II) FBDEV(0): checking modes against monitor...
> [ 2665.861] (--) FBDEV(0): Virtual size is 1600x1200 (pitch 1600)
> [ 2665.861] (**) FBDEV(0): Default mode "1600x1200": 162.0 MHz (scaled
> from 0.0 MHz), 75.0 kHz, 60.0 Hz
> [ 2665.861] (II) FBDEV(0): Modeline "1600x1200"x0.0 162.00 1600 1664
> 1856 2160 1200 1201 1204 1250 +hsync +vsync (75.0 kHz d)
> [ 2665.861] (**) FBDEV(0): Default mode "1280x1024": 108.0 MHz (scaled
> from 0.0 MHz), 64.0 kHz, 60.0 Hz
> [ 2665.861] (II) FBDEV(0): Modeline "1280x1024"x0.0 108.00 1280 1328
> 1440 1688 1024 1025 1028 1066 +hsync +vsync (64.0 kHz d)
> [ 2665.861] (**) FBDEV(0): Default mode "1152x864": 108.0 MHz (scaled
> from 0.0 MHz), 67.5 kHz, 75.0 Hz
> [ 2665.861] (II) FBDEV(0): Modeline "1152x864"x0.0 108.00 1152 1216
> 1344 1600 864 865 868 900 +hsync +vsync (67.5 kHz d)
> [ 2665.861] (**) FBDEV(0): Default mode "1024x768": 65.0 MHz (scaled
> from 0.0 MHz), 48.4 kHz, 60.0 Hz
> [ 2665.861] (II) FBDEV(0): Modeline "1024x768"x0.0 65.00 1024 1048
> 1184 1344 768 771 777 806 -hsync -vsync (48.4 kHz d)
> [ 2665.861] (**) FBDEV(0): Default mode "800x600": 36.0 MHz (scaled
> from 0.0 MHz), 35.2 kHz, 56.2 Hz
> [ 2665.861] (II) FBDEV(0): Modeline "800x600"x0.0 36.00 800 824 896
> 1024 600 601 603 625 +hsync +vsync (35.2 kHz d)
> [ 2665.862] (**) FBDEV(0): Default mode "640x480": 25.2 MHz (scaled
> from 0.0 MHz), 31.5 kHz, 59.9 Hz
> [ 2665.862] (II) FBDEV(0): Modeline "640x480"x0.0 25.18 640 656 752
> 800 480 490 492 525 -hsync -vsync (31.5 kHz d)
> [ 2665.862] (**) FBDEV(0): Display dimensions: (518, 324) mm
> [ 2665.862] (**) FBDEV(0): DPI set to (78, 94)
> [ 2665.862] (II) Loading sub module "fb"
> [ 2665.862] (II) LoadModule: "fb"
> [ 2665.863] (II) Loading /usr/lib/xorg/modules/libfb.so
> [ 2665.864] (II) Module fb: vendor="X.Org Foundation"
> [ 2665.864] compiled for 1.17.2, module version = 1.0.0
> [ 2665.865] ABI class: X.Org ANSI C Emulation, version 0.4
> [ 2665.865] (**) FBDEV(0): using shadow framebuffer
> [ 2665.865] (II) Loading sub module "shadow"
> [ 2665.865] (II) LoadModule: "shadow"
> [ 2665.865] (II) Loading /usr/lib/xorg/modules/libshadow.so
> [ 2665.865] (II) Module shadow: vendor="X.Org Foundation"
> [ 2665.865] compiled for 1.17.2, module version = 1.1.0
> [ 2665.866] ABI class: X.Org ANSI C Emulation, version 0.4
> [ 2665.866] (==) Depth 24 pixmap format is 32 bpp
> [ 2665.892] (==) FBDEV(0): Backing store enabled
> [ 2665.894] (**) FBDEV(0): DPMS enabled
> [ 2665.894] (==) RandR enabled
> [ 2665.945] (II) SELinux: Disabled by boolean
> [ 2665.952] (II) AIGLX: Screen 0 is not DRI2 capable
> [ 2665.952] (EE) AIGLX: reverting to software rendering
> [ 2665.998] (II) AIGLX: Loaded and initialized swrast
> [ 2665.998] (II) GLX: Initialized DRISWRAST GL provider for screen 0
> [ 2666.260] (II) config/udev: Adding input device CM Storm QuickFire
> Rapid keyboard (/dev/input/event0)
> [ 2666.260] (**) CM Storm QuickFire Rapid keyboard: Applying InputClass
> "evdev keyboard catchall"
> [ 2666.260] (II) LoadModule: "evdev"
> [ 2666.261] (II) Loading /usr/lib/xorg/modules/input/evdev_drv.so
> [ 2666.263] (II) Module evdev: vendor="X.Org Foundation"
> [ 2666.263] compiled for 1.17.2, module version = 2.9.2
> [ 2666.264] Module class: X.Org XInput Driver
> [ 2666.264] ABI class: X.Org XInput driver, version 21.0
> [ 2666.264] (II) Using input driver 'evdev' for 'CM Storm QuickFire
> Rapid keyboard'
> [ 2666.264] (**) CM Storm QuickFire Rapid keyboard: always reports core
> events
> [ 2666.264] (**) evdev: CM Storm QuickFire Rapid keyboard: Device:
> "/dev/input/event0"
> [ 2666.264] (--) evdev: CM Storm QuickFire Rapid keyboard: Vendor
> 0x2516 Product 0x4
> [ 2666.265] (--) evdev: CM Storm QuickFire Rapid keyboard: Found keys
> [ 2666.265] (II) evdev: CM Storm QuickFire Rapid keyboard: Configuring
> as keyboard
> [ 2666.265] (**) Option "config_info"
> "udev:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1:1.0/0003:2516:0004.000E/input/input13/event0"
> [ 2666.265] (II) XINPUT: Adding extended input device "CM Storm
> QuickFire Rapid keyboard" (type: KEYBOARD, id 6)
> [ 2666.265] (**) Option "xkb_rules" "evdev"
> [ 2666.270] (II) config/udev: Adding input device CM Storm QuickFire
> Rapid keyboard (/dev/input/event1)
> [ 2666.270] (**) CM Storm QuickFire Rapid keyboard: Applying InputClass
> "evdev keyboard catchall"
> [ 2666.270] (II) Using input driver 'evdev' for 'CM Storm QuickFire
> Rapid keyboard'
> [ 2666.270] (**) CM Storm QuickFire Rapid keyboard: always reports core
> events
> [ 2666.270] (**) evdev: CM Storm QuickFire Rapid keyboard: Device:
> "/dev/input/event1"
> [ 2666.271] (--) evdev: CM Storm QuickFire Rapid keyboard: Vendor
> 0x2516 Product 0x4
> [ 2666.271] (--) evdev: CM Storm QuickFire Rapid keyboard: Found keys
> [ 2666.271] (II) evdev: CM Storm QuickFire Rapid keyboard: Configuring
> as keyboard
> [ 2666.271] (**) Option "config_info"
> "udev:/sys/devices/platform/soc/3f980000.usb/usb1/1-1/1-1.3/1-1.3.1/1-1.3.1:1.1/0003:2516:0004.000F/input/input14/event1"
> [ 2666.271] (II) XINPUT: Adding extended input device "CM Storm
> QuickFire Rapid keyboard" (type: KEYBOARD, id 7)
> [ 2666.271] (**) Option "xkb_rules" "evdev"
> [ 2666.623] (II) evdev: CM Storm QuickFire Rapid keyboard: Close
> [ 2666.623] (II) UnloadModule: "evdev"
> [ 2666.623] (II) evdev: CM Storm QuickFire Rapid keyboard: Close
> [ 2666.623] (II) UnloadModule: "evdev"
> [ 2666.703] (II) Server terminated successfully (0). Closing log file.
>
> I used this /etc.X11/xorg.conf:
>
> Section "ServerLayout"
> Identifier "Default Layout"
> Screen 0 "Screen0" 0 0
> InputDevice "Keyboard0" "CoreKeyboard"
> EndSection
>
> Section "InputDevice"
> Identifier "Keyboard0"
> Driver "kbd"
> Option "XkbModel" "pc105"
> Option "XkbLayout" "us"
> EndSection
>
> Section "Device"
> Identifier "VideocoreIV"
> VendorName "Broadcom"
> BoardName "RPI3Graphics"
> Driver "fbdev"
> EndSection
>
> Section "Monitor"
> Identifier "Monitor0"
> VendorName "Dell"
> ModelName "Ultrasharp U2410"
> DisplaySize 518 324
> HorizSync 30.0 - 81.0
> VertRefresh 56.0 - 75.0
> Option "DPMS"
> EndSection
>
> Section "Screen"
> Identifier "Screen0"
> Device "VideocoreIV"
> Monitor "Monitor0"
> DefaultDepth 24
> SubSection "Display"
> Viewport 0 0
> Depth 24
> Modes "1920x1200" "1600x1200" "1280x1024"
> "1152x864" "1024x768" "800x600" "720x400" "640x480"
> EndSubSection
> EndSection
>
> Does anybody see what I am doing wrong? Like I said it looks like the
> desktop wants to startup but then just crshes.
>
> Thanks for your help.
>
> Paul (ganci@xxxxxxxxxx)
> Cell: (303)257-5208
> _______________________________________________
> CentOS mailing list
> CentOS@xxxxxxxxxx
> https://lists.centos.org/mailman/listinfo/centos
>
>
The only real problem I see is here:
[ 2665.952] (EE) AIGLX: reverting to software rendering
It appears that CentOS wants to use hardware acceleration that the Pi
can't do. Video is definitely one of the Pi's weaker capabilities.
Compared to the other desktops, GNOME is a resource hog. I'm a MATE guy,
so I can't yet speak to the CentOS ARM build. I do know that the MATE Spin
for Fedora 25 ARM installed perfectly on my Raspberry Pi3.
--Doc Savage
Fairview Heights, IL
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