>    on the ppc64 architecture the package 
>    
>       xserver-xorg-video-radeon_1%3a19.1.0-1_ppc64.deb
> 
>    crashes the xserver at startup.
>    Xorg complains about an undefined symbol: exaGetPixmapDriverPrivate

I’m having this issue too, after installing Debian “sid” for PPC64 big-endian 
on a PowerMac G5 and updating everything: I end up with 
xserver-xorg-video-radeon and xserver-xorg-video-ati  19.1.0-1.  So have been 
trying the suggested workarounds.  The only driver that seems to “work” for 
unaccelerated graphics is fbdev.  In that case Qt even manages to fall back to 
llvmpipe and render OpenGL (Qt Quick) content mostly correctly.  But of course, 
having a GPU, I’d certainly rather be able to use it.

The modesetting driver with AccelMethod “none” will start, but the color 
rendering has obvious issues probably related to endianness: black turns into 
bright blue, glxgears runs (via software emulation apparently) but the gears 
are cyan and magenta on a bright blue background, and generally hard to see.

I work on Qt.  Once in a while I build and test Qt on this machine to see what 
endian-related issues are showing up, and try to fix them as a low-priority 
thing.  I needed to upgrade to sid because Debian 8 was the last version that 
actually had a PPC big-endian 64-bit release, and the compiler on that version 
is getting long in the tooth; Qt 5.14 doesn’t build so easily anymore with such 
an old one.

GPU seems to be an AGP Radeon 9600; lspci says

0000:f0:10.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] 
RV350 [Radeon 9550/9600/X1050 Series]

BTW if I try to use amdgpu, I ran into the issue that glamor requires 128 or 
more instructions but this GPU only supports 64.  So it would really need to be 
radeon_drv for best performance I suppose.  (By comparison, on Debian 8 the 
radeon driver is automatically chosen, but the log says GPU access disabled or 
not working, using shadowfb for KMS.  The colors are fine, but the OpenGL 
performance is not good, of course.)

Here’s my current /etc/X11/xorg.conf.d/10-modesetting.conf
Section "Device"
        Identifier "rv350"
#        Driver  "fbdev"
        Driver  "modesetting"
        Option  "AccelMethod" "none"
EndSection

Section "Monitor"
    # HorizSync source: edid, VertRefresh source: edid
    Identifier     "Monitor0"
    VendorName     "Unknown"
    ModelName      "Samsung SyncMaster"
    HorizSync       30.0 - 81.0
    VertRefresh     50.0 - 63.0
    Option         "DPMS"
EndSection

Section "Screen"
    Identifier     "Screen0"
    Device         "rv350"
    Monitor        "Monitor0"
    DefaultDepth    24
    SubSection     "Display"
        Depth       24
    EndSubSection
EndSection

And xorg.log with that setup:

[147798.710]
X.Org X Server 1.20.6
X Protocol Version 11, Revision 0
[147798.759] Build Operating System: Linux 4.19.0-5-powerpc64 ppc64 Debian
[147798.776] Current Operating System: Linux g5deb 5.4.0-2-powerpc64 #1 SMP 
Debian 5.4.8-1 (2020-01-05) ppc64
[147798.776] Kernel command line: 
root=UUID=7afdfb2d-2088-4916-8a9f-1c6ff2c1c046 ro ramdisk_size=8192
[147798.809] Build Date: 25 November 2019  09:49:09AM
[147798.825] xorg-server 2:1.20.6-1 (https://www.debian.org/support)
[147798.841] Current version of pixman: 0.36.0
[147798.874]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[147798.874] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[147798.940] (==) Log file: "/home/rutledge/.local/share/xorg/Xorg.9.log", 
Time: Wed Jan  8 10:55:18 2020
[147798.957] (==) Using config directory: "/etc/X11/xorg.conf.d"
[147798.974] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[147798.978] (==) No Layout section.  Using the first Screen section.
[147798.978] (**) |-->Screen "Screen0" (0)
[147798.978] (**) |   |-->Monitor "Monitor0"
[147798.980] (**) |   |-->Device "rv350"
[147798.980] (==) Automatically adding devices
[147798.980] (==) Automatically enabling devices
[147798.980] (==) Automatically adding GPU devices
[147798.980] (==) Max clients allowed: 256, resource mask: 0x1fffff
[147798.981] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[147798.981]    Entry deleted from font path.
[147798.982] (==) FontPath set to:
        /usr/share/fonts/X11/misc,
        /usr/share/fonts/X11/100dpi/:unscaled,
        /usr/share/fonts/X11/75dpi/:unscaled,
        /usr/share/fonts/X11/Type1,
        /usr/share/fonts/X11/100dpi,
        /usr/share/fonts/X11/75dpi,
        built-ins
[147798.982] (==) ModulePath set to "/usr/lib/xorg/modules"
[147798.982] (II) The server relies on udev to provide the list of input 
devices.
        If no devices become available, reconfigure udev or disable 
AutoAddDevices.
[147798.982] (II) Loader magic: 0x12e202ad0
[147798.982] (II) Module ABI versions:
[147798.982]    X.Org ANSI C Emulation: 0.4
[147798.982]    X.Org Video Driver: 24.0
[147798.982]    X.Org XInput driver : 24.1
[147798.982]    X.Org Server Extension : 10.0
[147798.984] (++) using VT number 1

[147798.995] (II) systemd-logind: took control of session 
/org/freedesktop/login1/session/_322
[147799.003] (II) xfree86: Adding drm device (/dev/dri/card0)
[147799.007] (II) systemd-logind: got fd for /dev/dri/card0 226:0 fd 11 paused 0
[147799.020] (--) PCI:*(240@0:16:0) 1002:4150:1002:4150 rev 0, Mem @ 
0x98000000/134217728, 0x90000000/65536, I/O @ 0x00000400/256, BIOS @ 
0x????????/131072
[147799.020] (II) LoadModule: "glx"
[147799.021] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[147799.029] (II) Module glx: vendor="X.Org Foundation"
[147799.029]    compiled for 1.20.6, module version = 1.0.0
[147799.029]    ABI class: X.Org Server Extension, version 10.0
[147799.029] (II) LoadModule: "modesetting"
[147799.029] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[147799.033] (II) Module modesetting: vendor="X.Org Foundation"
[147799.033]    compiled for 1.20.6, module version = 1.20.6
[147799.033]    Module class: X.Org Video Driver
[147799.033]    ABI class: X.Org Video Driver, version 24.0
[147799.033] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[147799.033] (II) modeset(0): using drv /dev/dri/card0
[147799.033] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support
[147799.034] (**) modeset(0): Depth 24, (--) framebuffer bpp 32
[147799.034] (**) modeset(0): Option "AccelMethod" "none"
[147799.034] (==) modeset(0): RGB weight 888
[147799.034] (==) modeset(0): Default visual is TrueColor
[147799.034] (**) modeset(0): glamor disabled
[147799.034] (II) modeset(0): ShadowFB: preferred YES, enabled YES
[147799.034] (II) modeset(0): Double-buffered shadow updates: off
[147799.045] (II) modeset(0): Output DVI-I-1 using monitor section Monitor0
[147799.076] (II) modeset(0): Output DVI-I-2 has no monitor section
[147799.086] (II) modeset(0): Output SVIDEO-1 has no monitor section
[147799.097] (II) modeset(0): EDID for output DVI-I-1
[147799.128] (II) modeset(0): EDID for output DVI-I-2
[147799.128] (II) modeset(0): Manufacturer: SAM  Model: 4d4  Serial#: 1263088180
[147799.128] (II) modeset(0): Year: 2010  Week: 28
[147799.128] (II) modeset(0): EDID Version: 1.3
[147799.128] (II) modeset(0): Digital Display Input
[147799.128] (II) modeset(0): Max Image Size [cm]: horiz.: 53  vert.: 30
[147799.128] (II) modeset(0): Gamma: 2.20
[147799.128] (II) modeset(0): DPMS capabilities: Off
[147799.128] (II) modeset(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4
[147799.128] (II) modeset(0): First detailed timing is preferred mode
[147799.128] (II) modeset(0): redX: 0.649 redY: 0.338   greenX: 0.289 greenY: 
0.609
[147799.128] (II) modeset(0): blueX: 0.146 blueY: 0.070   whiteX: 0.312 whiteY: 
0.329
[147799.128] (II) modeset(0): Supported established timings:
[147799.128] (II) modeset(0): 640x480@60Hz
[147799.128] (II) modeset(0): 800x600@56Hz
[147799.128] (II) modeset(0): 800x600@60Hz
[147799.128] (II) modeset(0): 1024x768@60Hz
[147799.128] (II) modeset(0): Manufacturer's mask: 0
[147799.128] (II) modeset(0): Supported standard timings:
[147799.128] (II) modeset(0): #0: hsize: 1280  vsize 800  refresh: 60  vid: 129
[147799.128] (II) modeset(0): #1: hsize: 1280  vsize 960  refresh: 60  vid: 
16513
[147799.128] (II) modeset(0): #2: hsize: 1280  vsize 1024  refresh: 60  vid: 
32897
[147799.128] (II) modeset(0): #3: hsize: 1440  vsize 900  refresh: 60  vid: 149
[147799.128] (II) modeset(0): #4: hsize: 1600  vsize 1200  refresh: 60  vid: 
16553
[147799.128] (II) modeset(0): #5: hsize: 1680  vsize 1050  refresh: 60  vid: 179
[147799.128] (II) modeset(0): Supported detailed timing:
[147799.128] (II) modeset(0): clock: 138.5 MHz   Image Size:  531 x 298 mm
[147799.128] (II) modeset(0): h_active: 1920  h_sync: 1968  h_sync_end 2000 
h_blank_end 2080 h_border: 0
[147799.128] (II) modeset(0): v_active: 1080  v_sync: 1083  v_sync_end 1088 
v_blanking: 1111 v_border: 0
[147799.128] (II) modeset(0): Ranges: V min: 56 V max: 60 Hz, H min: 30 H max: 
81 kHz, PixClock max 175 MHz
[147799.128] (II) modeset(0): Monitor name: SyncMaster
[147799.128] (II) modeset(0): Serial No: H9XZ703441
[147799.128] (II) modeset(0): EDID (in hex):
[147799.129] (II) modeset(0):   00ffffffffffff004c2dd4043432494b
[147799.129] (II) modeset(0):   1c14010380351e782a6041a6564a9c25
[147799.129] (II) modeset(0):   1250542308008100814081809500a940
[147799.129] (II) modeset(0):   b300010101011a3680a070381f403020
[147799.129] (II) modeset(0):   3500132a2100001a000000fd00383c1e
[147799.129] (II) modeset(0):   5111000a202020202020000000fc0053
[147799.129] (II) modeset(0):   796e634d61737465720a2020000000ff
[147799.129] (II) modeset(0):   004839585a3730333434310a202000e4
[147799.129] (II) modeset(0): Printing probed modes for output DVI-I-2
[147799.129] (II) modeset(0): Modeline "1920x1080"x59.9  138.50  1920 1968 2000 
2080  1080 1083 1088 1111 +hsync -vsync (66.6 kHz eP)
[147799.129] (II) modeset(0): Modeline "1600x1200"x60.0  162.00  1600 1664 1856 
2160  1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[147799.129] (II) modeset(0): Modeline "1680x1050"x59.9  119.00  1680 1728 1760 
1840  1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
[147799.129] (II) modeset(0): Modeline "1280x1024"x60.0  108.00  1280 1328 1440 
1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[147799.129] (II) modeset(0): Modeline "1440x900"x59.9   88.75  1440 1488 1520 
1600  900 903 909 926 +hsync -vsync (55.5 kHz e)
[147799.129] (II) modeset(0): Modeline "1280x960"x60.0  108.00  1280 1376 1488 
1800  960 961 964 1000 +hsync +vsync (60.0 kHz e)
[147799.129] (II) modeset(0): Modeline "1280x800"x59.9   71.00  1280 1328 1360 
1440  800 803 809 823 +hsync -vsync (49.3 kHz e)
[147799.129] (II) modeset(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[147799.129] (II) modeset(0): Modeline "800x600"x60.3   40.00  800 840 968 1056 
 600 601 605 628 +hsync +vsync (37.9 kHz e)
[147799.129] (II) modeset(0): Modeline "800x600"x56.2   36.00  800 824 896 1024 
 600 601 603 625 +hsync +vsync (35.2 kHz e)
[147799.129] (II) modeset(0): Modeline "640x480"x59.9   25.18  640 656 752 800  
480 490 492 525 -hsync -vsync (31.5 kHz e)
[147799.139] (II) modeset(0): EDID for output SVIDEO-1
[147799.139] (II) modeset(0): Output DVI-I-1 disconnected
[147799.139] (II) modeset(0): Output DVI-I-2 connected
[147799.139] (II) modeset(0): Output SVIDEO-1 disconnected
[147799.139] (II) modeset(0): Using exact sizes for initial modes
[147799.139] (II) modeset(0): Output DVI-I-2 using initial mode 1920x1080 +0+0
[147799.139] (==) modeset(0): Using gamma correction (1.0, 1.0, 1.0)
[147799.139] (==) modeset(0): DPI set to (96, 96)
[147799.139] (II) Loading sub module "fb"
[147799.139] (II) LoadModule: "fb"
[147799.140] (II) Loading /usr/lib/xorg/modules/libfb.so
[147799.141] (II) Module fb: vendor="X.Org Foundation"
[147799.142]    compiled for 1.20.6, module version = 1.0.0
[147799.142]    ABI class: X.Org ANSI C Emulation, version 0.4
[147799.142] (II) Loading sub module "shadow"
[147799.142] (II) LoadModule: "shadow"
[147799.142] (II) Loading /usr/lib/xorg/modules/libshadow.so
[147799.143] (II) Module shadow: vendor="X.Org Foundation"
[147799.143]    compiled for 1.20.6, module version = 1.1.0
[147799.143]    ABI class: X.Org ANSI C Emulation, version 0.4
[147799.143] (==) modeset(0): Backing store enabled
[147799.143] (==) modeset(0): Silken mouse enabled
[147799.144] (II) modeset(0): Initializing kms color map for depth 24, 8 bpc.
[147799.144] (**) modeset(0): DPMS enabled
[147799.144] (II) Initializing extension Generic Event Extension
[147799.145] (II) Initializing extension SHAPE
[147799.145] (II) Initializing extension MIT-SHM
[147799.146] (II) Initializing extension XInputExtension
[147799.146] (II) Initializing extension XTEST
[147799.147] (II) Initializing extension BIG-REQUESTS
[147799.148] (II) Initializing extension SYNC
[147799.148] (II) Initializing extension XKEYBOARD
[147799.149] (II) Initializing extension XC-MISC
[147799.149] (II) Initializing extension SECURITY
[147799.150] (II) Initializing extension XFIXES
[147799.150] (II) Initializing extension RENDER
[147799.151] (II) Initializing extension RANDR
[147799.152] (II) Initializing extension COMPOSITE
[147799.153] (II) Initializing extension DAMAGE
[147799.153] (II) Initializing extension MIT-SCREEN-SAVER
[147799.154] (II) Initializing extension DOUBLE-BUFFER
[147799.154] (II) Initializing extension RECORD
[147799.155] (II) Initializing extension DPMS
[147799.155] (II) Initializing extension Present
[147799.156] (II) Initializing extension DRI3
[147799.156] (II) Initializing extension X-Resource
[147799.156] (II) Initializing extension XVideo
[147799.157] (II) Initializing extension XVideo-MotionCompensation
[147799.157] (II) Initializing extension SELinux
[147799.157] (II) SELinux: Disabled on system
[147799.157] (II) Initializing extension GLX
[147799.158] (II) AIGLX: Screen 0 is not DRI2 capable
[147799.365] (II) IGLX: Loaded and initialized swrast
[147799.365] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[147799.365] (II) Initializing extension XFree86-VidModeExtension
[147799.366] (II) Initializing extension XFree86-DGA
[147799.366] (II) Initializing extension XFree86-DRI
[147799.366] (II) Initializing extension DRI2
[147799.367] (II) modeset(0): Damage tracking initialized
[147799.367] (II) modeset(0): Setting screen physical size to 508 x 285
[147799.666] (II) config/udev: Adding input device Mitsumi Electric Apple 
Optical USB Mouse (/dev/input/event1)
[147799.667] (**) Mitsumi Electric Apple Optical USB Mouse: Applying InputClass 
"libinput pointer catchall"
[147799.667] (II) LoadModule: "libinput"
[147799.667] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[147799.680] (II) Module libinput: vendor="X.Org Foundation"
[147799.680]    compiled for 1.20.4, module version = 0.29.0
[147799.680]    Module class: X.Org XInput Driver
[147799.680]    ABI class: X.Org XInput driver, version 24.1
[147799.680] (II) Using input driver 'libinput' for 'Mitsumi Electric Apple 
Optical USB Mouse'
[147799.742] (II) systemd-logind: got fd for /dev/input/event1 13:65 fd 19 
paused 0
[147799.742] (**) Mitsumi Electric Apple Optical USB Mouse: always reports core 
events
[147799.742] (**) Option "Device" "/dev/input/event1"
[147799.743] (**) Option "_source" "server/udev"
[147799.773] (II) event1  - Mitsumi Electric Apple Optical USB Mouse: is tagged 
by udev as: Mouse
[147799.774] (II) event1  - Mitsumi Electric Apple Optical USB Mouse: device is 
a pointer
[147799.775] (II) event1  - Mitsumi Electric Apple Optical USB Mouse: device 
removed
[147799.775] (**) Option "config_info" 
"udev:/sys/devices/pci0001:00/0001:00:02.0/0001:05:0b.0/usb4/4-1/4-1.1/4-1.1:1.0/0003:05AC:0304.0004/input/input5/event1"
[147799.775] (II) XINPUT: Adding extended input device "Mitsumi Electric Apple 
Optical USB Mouse" (type: MOUSE, id 6)
[147799.776] (**) Option "AccelerationScheme" "none"
[147799.776] (**) Mitsumi Electric Apple Optical USB Mouse: (accel) selected 
scheme none/0
[147799.776] (**) Mitsumi Electric Apple Optical USB Mouse: (accel) 
acceleration factor: 2.000
[147799.776] (**) Mitsumi Electric Apple Optical USB Mouse: (accel) 
acceleration threshold: 4
[147799.783] (II) event1  - Mitsumi Electric Apple Optical USB Mouse: is tagged 
by udev as: Mouse
[147799.783] (II) event1  - Mitsumi Electric Apple Optical USB Mouse: device is 
a pointer
[147799.787] (II) config/udev: Adding input device Mitsumi Electric Apple 
Optical USB Mouse (/dev/input/mouse0)
[147799.787] (II) No input driver specified, ignoring this device.
[147799.787] (II) This device may have been added with another device file.
[147799.790] (II) config/udev: Adding input device Mitsumi Electric Apple 
Extended USB Keyboard (/dev/input/event2)
[147799.790] (**) Mitsumi Electric Apple Extended USB Keyboard: Applying 
InputClass "libinput keyboard catchall"
[147799.790] (II) Using input driver 'libinput' for 'Mitsumi Electric Apple 
Extended USB Keyboard'
[147799.795] (II) systemd-logind: got fd for /dev/input/event2 13:66 fd 22 
paused 0
[147799.795] (**) Mitsumi Electric Apple Extended USB Keyboard: always reports 
core events
[147799.795] (**) Option "Device" "/dev/input/event2"
[147799.795] (**) Option "_source" "server/udev"
[147799.807] (II) event2  - Mitsumi Electric Apple Extended USB Keyboard: is 
tagged by udev as: Keyboard
[147799.807] (II) event2  - Mitsumi Electric Apple Extended USB Keyboard: 
device is a keyboard
[147799.807] (II) event2  - Mitsumi Electric Apple Extended USB Keyboard: 
device removed
[147799.808] (**) Option "config_info" 
"udev:/sys/devices/pci0001:00/0001:00:02.0/0001:05:0b.0/usb4/4-1/4-1.3/4-1.3:1.0/0003:05AC:020C.0005/input/input6/event2"
[147799.808] (II) XINPUT: Adding extended input device "Mitsumi Electric Apple 
Extended USB Keyboard" (type: KEYBOARD, id 7)
[147799.808] (**) Option "xkb_model" "pc105"
[147799.808] (**) Option "xkb_layout" "us"
[147799.815] (II) event2  - Mitsumi Electric Apple Extended USB Keyboard: is 
tagged by udev as: Keyboard
[147799.815] (II) event2  - Mitsumi Electric Apple Extended USB Keyboard: 
device is a keyboard
[147799.819] (II) config/udev: Adding input device Mitsumi Electric Apple 
Extended USB Keyboard System Control (/dev/input/event3)
[147799.819] (**) Mitsumi Electric Apple Extended USB Keyboard System Control: 
Applying InputClass "libinput keyboard catchall"
[147799.819] (II) Using input driver 'libinput' for 'Mitsumi Electric Apple 
Extended USB Keyboard System Control'
[147799.824] (II) systemd-logind: got fd for /dev/input/event3 13:67 fd 23 
paused 0
[147799.824] (**) Mitsumi Electric Apple Extended USB Keyboard System Control: 
always reports core events
[147799.824] (**) Option "Device" "/dev/input/event3"
[147799.824] (**) Option "_source" "server/udev"
[147799.834] (II) event3  - Mitsumi Electric Apple Extended USB Keyboard System 
Control: is tagged by udev as: Keyboard
[147799.834] (II) event3  - Mitsumi Electric Apple Extended USB Keyboard System 
Control: device is a keyboard
[147799.834] (II) event3  - Mitsumi Electric Apple Extended USB Keyboard System 
Control: device removed
[147799.834] (**) Option "config_info" 
"udev:/sys/devices/pci0001:00/0001:00:02.0/0001:05:0b.0/usb4/4-1/4-1.3/4-1.3:1.1/0003:05AC:020C.0006/input/input7/event3"
[147799.835] (II) XINPUT: Adding extended input device "Mitsumi Electric Apple 
Extended USB Keyboard System Control" (type: KEYBOARD, id 8)
[147799.835] (**) Option "xkb_model" "pc105"
[147799.835] (**) Option "xkb_layout" "us"
[147799.842] (II) event3  - Mitsumi Electric Apple Extended USB Keyboard System 
Control: is tagged by udev as: Keyboard
[147799.842] (II) event3  - Mitsumi Electric Apple Extended USB Keyboard System 
Control: device is a keyboard
[147799.846] (II) config/udev: Adding input device Mitsumi Electric Apple 
Extended USB Keyboard Consumer Control (/dev/input/event4)
[147799.846] (**) Mitsumi Electric Apple Extended USB Keyboard Consumer 
Control: Applying InputClass "libinput keyboard catchall"
[147799.846] (II) Using input driver 'libinput' for 'Mitsumi Electric Apple 
Extended USB Keyboard Consumer Control'
[147799.850] (II) systemd-logind: got fd for /dev/input/event4 13:68 fd 24 
paused 0
[147799.851] (**) Mitsumi Electric Apple Extended USB Keyboard Consumer 
Control: always reports core events
[147799.851] (**) Option "Device" "/dev/input/event4"
[147799.851] (**) Option "_source" "server/udev"
[147799.859] (II) event4  - Mitsumi Electric Apple Extended USB Keyboard 
Consumer Control: is tagged by udev as: Keyboard
[147799.859] (II) event4  - Mitsumi Electric Apple Extended USB Keyboard 
Consumer Control: device is a keyboard
[147799.860] (II) event4  - Mitsumi Electric Apple Extended USB Keyboard 
Consumer Control: device removed
[147799.860] (**) Option "config_info" 
"udev:/sys/devices/pci0001:00/0001:00:02.0/0001:05:0b.0/usb4/4-1/4-1.3/4-1.3:1.1/0003:05AC:020C.0006/input/input8/event4"
[147799.860] (II) XINPUT: Adding extended input device "Mitsumi Electric Apple 
Extended USB Keyboard Consumer Control" (type: KEYBOARD, id 9)
[147799.860] (**) Option "xkb_model" "pc105"
[147799.860] (**) Option "xkb_layout" "us"
[147799.867] (II) event4  - Mitsumi Electric Apple Extended USB Keyboard 
Consumer Control: is tagged by udev as: Keyboard
[147799.868] (II) event4  - Mitsumi Electric Apple Extended USB Keyboard 
Consumer Control: device is a keyboard
[147799.871] (II) config/udev: Adding input device PMU (/dev/input/event0)
[147799.871] (**) PMU: Applying InputClass "libinput keyboard catchall"
[147799.871] (II) Using input driver 'libinput' for 'PMU'
[147799.875] (II) systemd-logind: got fd for /dev/input/event0 13:64 fd 25 
paused 0
[147799.875] (**) PMU: always reports core events
[147799.876] (**) Option "Device" "/dev/input/event0"
[147799.876] (**) Option "_source" "server/udev"
[147799.879] (II) event0  - PMU: is tagged by udev as: Keyboard Switch
[147799.879] (II) event0  - PMU: device is a keyboard
[147799.879] (II) event0  - PMU: device is a switch device
[147799.879] (II) event0  - PMU: device removed
[147799.880] (**) Option "config_info" 
"udev:/sys/devices/virtual/input/input0/event0"
[147799.880] (II) XINPUT: Adding extended input device "PMU" (type: KEYBOARD, 
id 10)
[147799.880] (**) Option "xkb_model" "pc105"
[147799.880] (**) Option "xkb_layout" "us"
[147799.882] (II) event0  - PMU: is tagged by udev as: Keyboard Switch
[147799.882] (II) event0  - PMU: device is a keyboard
[147799.882] (II) event0  - PMU: device is a switch device
[147800.129] (II) modeset(0): EDID vendor "SAM", prod id 1236
[147800.130] (II) modeset(0): Using hsync ranges from config file
[147800.130] (II) modeset(0): Using vrefresh ranges from config file
[147800.130] (II) modeset(0): Printing DDC gathered Modelines:
[147800.130] (II) modeset(0): Modeline "1920x1080"x0.0  138.50  1920 1968 2000 
2080  1080 1083 1088 1111 +hsync -vsync (66.6 kHz eP)
[147800.130] (II) modeset(0): Modeline "800x600"x0.0   40.00  800 840 968 1056  
600 601 605 628 +hsync +vsync (37.9 kHz e)
[147800.130] (II) modeset(0): Modeline "800x600"x0.0   36.00  800 824 896 1024  
600 601 603 625 +hsync +vsync (35.2 kHz e)
[147800.130] (II) modeset(0): Modeline "640x480"x0.0   25.18  640 656 752 800  
480 490 492 525 -hsync -vsync (31.5 kHz e)
[147800.130] (II) modeset(0): Modeline "1024x768"x0.0   65.00  1024 1048 1184 
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[147800.130] (II) modeset(0): Modeline "1280x800"x0.0   71.00  1280 1328 1360 
1440  800 803 809 823 +hsync -vsync (49.3 kHz e)
[147800.130] (II) modeset(0): Modeline "1280x960"x0.0  108.00  1280 1376 1488 
1800  960 961 964 1000 +hsync +vsync (60.0 kHz e)
[147800.130] (II) modeset(0): Modeline "1280x1024"x0.0  108.00  1280 1328 1440 
1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[147800.130] (II) modeset(0): Modeline "1440x900"x0.0   88.75  1440 1488 1520 
1600  900 903 909 926 +hsync -vsync (55.5 kHz e)
[147800.130] (II) modeset(0): Modeline "1600x1200"x0.0  162.00  1600 1664 1856 
2160  1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[147800.130] (II) modeset(0): Modeline "1680x1050"x0.0  119.00  1680 1728 1760 
1840  1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
[147800.184] (II) modeset(0): EDID vendor "SAM", prod id 1236
[147800.184] (II) modeset(0): Using hsync ranges from config file
[147800.184] (II) modeset(0): Using vrefresh ranges from config file
[147800.184] (II) modeset(0): Printing DDC gathered Modelines:
[147800.184] (II) modeset(0): Modeline "1920x1080"x0.0  138.50  1920 1968 2000 
2080  1080 1083 1088 1111 +hsync -vsync (66.6 kHz eP)
[147800.184] (II) modeset(0): Modeline "800x600"x0.0   40.00  800 840 968 1056  
600 601 605 628 +hsync +vsync (37.9 kHz e)
[147800.184] (II) modeset(0): Modeline "800x600"x0.0   36.00  800 824 896 1024  
600 601 603 625 +hsync +vsync (35.2 kHz e)
[147800.184] (II) modeset(0): Modeline "640x480"x0.0   25.18  640 656 752 800  
480 490 492 525 -hsync -vsync (31.5 kHz e)
[147800.184] (II) modeset(0): Modeline "1024x768"x0.0   65.00  1024 1048 1184 
1344  768 771 777 806 -hsync -vsync (48.4 kHz e)
[147800.184] (II) modeset(0): Modeline "1280x800"x0.0   71.00  1280 1328 1360 
1440  800 803 809 823 +hsync -vsync (49.3 kHz e)
[147800.184] (II) modeset(0): Modeline "1280x960"x0.0  108.00  1280 1376 1488 
1800  960 961 964 1000 +hsync +vsync (60.0 kHz e)
[147800.184] (II) modeset(0): Modeline "1280x1024"x0.0  108.00  1280 1328 1440 
1688  1024 1025 1028 1066 +hsync +vsync (64.0 kHz e)
[147800.184] (II) modeset(0): Modeline "1440x900"x0.0   88.75  1440 1488 1520 
1600  900 903 909 926 +hsync -vsync (55.5 kHz e)
[147800.184] (II) modeset(0): Modeline "1600x1200"x0.0  162.00  1600 1664 1856 
2160  1200 1201 1204 1250 +hsync +vsync (75.0 kHz e)
[147800.184] (II) modeset(0): Modeline "1680x1050"x0.0  119.00  1680 1728 1760 
1840  1050 1053 1059 1080 +hsync -vsync (64.7 kHz e)
[147803.353] (II) modeset(0): Disabling kernel dirty updates, not required.
[147877.889] (EE) client bug: timer event1 debounce: offset negative (-528ms)
[147877.890] (EE) client bug: timer event1 debounce short: offset negative 
(-542ms)

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