Hi,

I recently ran into a serious problem with Xorg on my Ultra 10:
Keyboard and mouse input no longer works. The machine is still responsive, and
I can SSH into it and kill the X server, so it's not completely frozen.
Pressing Caps Lock or Num Lock has no effect, the keyboard LEDs don't light
up. Pressing the right mouse button occasionally gets a click through, as I
can see the LXDE desktop menu opening.

I'm using a Sun Type 5 keybord (US layout) and an older non-optical Sun mouse
conntected to the keyboard, but it's the same with USB keyboards and mice,
even with the Sun keyboard detached.

I'm not using any custom Xorg config files, only what's installed by default.

Thanks for any hints,
Gregor
[ 23258.285] 
X.Org X Server 1.20.4
X Protocol Version 11, Revision 0
[ 23258.294] Build Operating System: Linux 4.19.0-2-sparc64-smp sparc64 Debian
[ 23258.297] Current Operating System: Linux akari 4.19.0-4-sparc64 #1 Debian 
4.19.28-2 (2019-03-15) sparc64
[ 23258.297] Kernel command line: BOOT_IMAGE=/vmlinuz-4.19.0-4-sparc64 
root=UUID=ca7576a6-cfda-41a4-9e34-ee1600a35505 ro quiet
[ 23258.303] Build Date: 05 March 2019  08:11:12PM
[ 23258.306] xorg-server 2:1.20.4-1 (https://www.debian.org/support) 
[ 23258.309] Current version of pixman: 0.36.0
[ 23258.315]    Before reporting problems, check http://wiki.x.org
        to make sure that you have the latest version.
[ 23258.315] Markers: (--) probed, (**) from config file, (==) default setting,
        (++) from command line, (!!) notice, (II) informational,
        (WW) warning, (EE) error, (NI) not implemented, (??) unknown.
[ 23258.328] (==) Log file: "/var/log/Xorg.0.log", Time: Sun Mar 24 20:25:10 
2019
[ 23258.333] (==) Using system config directory "/usr/share/X11/xorg.conf.d"
[ 23258.362] (==) No Layout section.  Using the first Screen section.
[ 23258.363] (==) No screen section available. Using defaults.
[ 23258.363] (**) |-->Screen "Default Screen Section" (0)
[ 23258.363] (**) |   |-->Monitor "<default monitor>"
[ 23258.369] (==) No monitor specified for screen "Default Screen Section".
        Using a default monitor configuration.
[ 23258.369] (==) Automatically adding devices
[ 23258.369] (==) Automatically enabling devices
[ 23258.369] (==) Automatically adding GPU devices
[ 23258.369] (==) Max clients allowed: 256, resource mask: 0x1fffff
[ 23258.370] (WW) The directory "/usr/share/fonts/X11/cyrillic" does not exist.
[ 23258.370]    Entry deleted from font path.
[ 23258.370] (==) 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
[ 23258.370] (==) ModulePath set to "/usr/lib/xorg/modules"
[ 23258.370] (II) The server relies on udev to provide the list of input 
devices.
        If no devices become available, reconfigure udev or disable 
AutoAddDevices.
[ 23258.371] (II) Loader magic: 0x10000342bd0
[ 23258.371] (II) Module ABI versions:
[ 23258.371]    X.Org ANSI C Emulation: 0.4
[ 23258.371]    X.Org Video Driver: 24.0
[ 23258.371]    X.Org XInput driver : 24.1
[ 23258.371]    X.Org Server Extension : 10.0
[ 23258.380] (++) using VT number 1

[ 23258.400] (II) systemd-logind: took control of session 
/org/freedesktop/login1/session/_39
[ 23258.419] (--) PCI:*(1@0:2:0) 1002:4750:0000:0000 rev 92, Mem @ 
0xe1000000/16777216, 0xe2000000/4096
[ 23258.426] (--) SBUS:(0xf006dc88) Sun FFB2+ Vertical Creator 3D at 
/SUNW,ffb@1e,0
[ 23258.430] (II) LoadModule: "glx"
[ 23258.433] (II) Loading /usr/lib/xorg/modules/extensions/libglx.so
[ 23258.560] (II) Module glx: vendor="X.Org Foundation"
[ 23258.560]    compiled for 1.20.4, module version = 1.0.0
[ 23258.560]    ABI class: X.Org Server Extension, version 10.0
[ 23258.563] (==) Matched sunffb as autoconfigured driver 0
[ 23258.563] (==) Matched ati as autoconfigured driver 1
[ 23258.563] (==) Matched modesetting as autoconfigured driver 2
[ 23258.563] (==) Matched fbdev as autoconfigured driver 3
[ 23258.563] (==) Assigned the driver to the xf86ConfigLayout
[ 23258.563] (II) LoadModule: "sunffb"
[ 23258.565] (II) Loading /usr/lib/xorg/modules/drivers/sunffb_drv.so
[ 23258.566] (II) Module sunffb: vendor="X.Org Foundation"
[ 23258.566]    compiled for 1.20.0, module version = 1.2.2
[ 23258.566]    Module class: X.Org Video Driver
[ 23258.566]    ABI class: X.Org Video Driver, version 24.0
[ 23258.566] (II) LoadModule: "ati"
[ 23258.568] (WW) Warning, couldn't open module ati
[ 23258.568] (EE) Failed to load module "ati" (module does not exist, 0)
[ 23258.568] (II) LoadModule: "modesetting"
[ 23258.569] (II) Loading /usr/lib/xorg/modules/drivers/modesetting_drv.so
[ 23258.570] (II) Module modesetting: vendor="X.Org Foundation"
[ 23258.571]    compiled for 1.20.4, module version = 1.20.4
[ 23258.571]    Module class: X.Org Video Driver
[ 23258.571]    ABI class: X.Org Video Driver, version 24.0
[ 23258.571] (II) LoadModule: "fbdev"
[ 23258.572] (II) Loading /usr/lib/xorg/modules/drivers/fbdev_drv.so
[ 23258.573] (II) Module fbdev: vendor="X.Org Foundation"
[ 23258.573]    compiled for 1.20.0, module version = 0.5.0
[ 23258.573]    Module class: X.Org Video Driver
[ 23258.574]    ABI class: X.Org Video Driver, version 24.0
[ 23258.574] (II) SUNFFB: driver for Creator, Creator 3D and Elite 3D
[ 23258.574] (II) modesetting: Driver for Modesetting Kernel Drivers: kms
[ 23258.574] (II) FBDEV: driver for framebuffer: fbdev
[ 23258.575] (WW) Falling back to old probe method for sunffb
[ 23258.579] (--) Assigning device section with no busID to SBUS:/SUNW,ffb@1e,0
[ 23258.580] (EE) open /dev/dri/card0: No such file or directory
[ 23258.580] (WW) Falling back to old probe method for modesetting
[ 23258.580] (EE) open /dev/dri/card0: No such file or directory
[ 23258.580] (II) Loading sub module "fbdevhw"
[ 23258.580] (II) LoadModule: "fbdevhw"
[ 23258.581] (II) Loading /usr/lib/xorg/modules/libfbdevhw.so
[ 23258.582] (II) Module fbdevhw: vendor="X.Org Foundation"
[ 23258.582]    compiled for 1.20.4, module version = 0.0.2
[ 23258.582]    ABI class: X.Org Video Driver, version 24.0
[ 23258.584] (**) FBDEV(2): claimed PCI slot 1@0:2:0
[ 23258.584] (II) FBDEV(2): using default device
[ 23258.584] (EE) Screen 1 deleted because of no matching config section.
[ 23258.585] (II) UnloadModule: "modesetting"
[ 23258.585] (II) SUNFFB(0): Creating default Display subsection in Screen 
section
        "Default Screen Section" for depth/fbbpp 24/32
[ 23258.585] (DB) xf86MergeOutputClassOptions unsupported bus type 2
[ 23258.585] (==) SUNFFB(0): RGB weight 888
[ 23258.586] (==) SUNFFB(0): Default visual is TrueColor
[ 23258.586] (==) SUNFFB(0): Using gamma correction (1.0, 1.0, 1.0)
[ 23258.586] (==) SUNFFB(0): Using HW cursor
[ 23258.586] (II) Loading sub module "fb"
[ 23258.586] (II) LoadModule: "fb"
[ 23258.587] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 23258.588] (II) Module fb: vendor="X.Org Foundation"
[ 23258.589]    compiled for 1.20.4, module version = 1.0.0
[ 23258.589]    ABI class: X.Org ANSI C Emulation, version 0.4
[ 23258.589] (II) Loading sub module "xaa"
[ 23258.589] (II) LoadModule: "xaa"
[ 23258.591] (WW) Warning, couldn't open module xaa
[ 23258.591] (EE) SUNFFB: Failed to load module "xaa" (module does not exist, 0)
[ 23258.591] (II) SUNFFB(0): Loading XAA failed, acceleration disabled
[ 23258.591] (II) Loading sub module "ramdac"
[ 23258.591] (II) LoadModule: "ramdac"
[ 23258.591] (II) Module "ramdac" already built-in
[ 23258.591] (II) Loading sub module "dbe"
[ 23258.592] (II) LoadModule: "dbe"
[ 23258.592] (II) Module "dbe" already built-in
[ 23258.592] (==) SUNFFB(0): DPI set to (96, 96)
[ 23258.592] (II) FBDEV(1): Console is 8bpp, defaulting to 32bpp
[ 23258.593] (II) FBDEV(1): Creating default Display subsection in Screen 
section
        "Default Screen Section" for depth/fbbpp 24/32
[ 23258.593] (==) FBDEV(1): Depth 24, (==) framebuffer bpp 32
[ 23258.593] (==) FBDEV(1): RGB weight 888
[ 23258.593] (==) FBDEV(1): Default visual is TrueColor
[ 23258.593] (==) FBDEV(1): Using gamma correction (1.0, 1.0, 1.0)
[ 23258.594] (II) FBDEV(1): hardware: ATY Mach64 (video memory: 4088kB)
[ 23258.594] (II) FBDEV(1): checking modes against framebuffer device...
[ 23258.594] (II) FBDEV(1): checking modes against monitor...
[ 23258.594] (II) FBDEV(1): Virtual size is 640x480 (pitch 640)
[ 23258.594] (**) FBDEV(1):  Built-in mode "current": 25.2 MHz, 31.5 kHz, 59.9 
Hz
[ 23258.595] (II) FBDEV(1): Modeline "current"x0.0   25.17  640 656 752 800  
480 490 492 525 -hsync -vsync -csync (31.5 kHz b)
[ 23258.595] (==) FBDEV(1): DPI set to (96, 96)
[ 23258.595] (II) Loading sub module "fb"
[ 23258.595] (II) LoadModule: "fb"
[ 23258.596] (II) Loading /usr/lib/xorg/modules/libfb.so
[ 23258.596] (II) Module fb: vendor="X.Org Foundation"
[ 23258.596]    compiled for 1.20.4, module version = 1.0.0
[ 23258.596]    ABI class: X.Org ANSI C Emulation, version 0.4
[ 23258.596] (**) FBDEV(1): using shadow framebuffer
[ 23258.597] (II) Loading sub module "shadow"
[ 23258.597] (II) LoadModule: "shadow"
[ 23258.597] (II) Loading /usr/lib/xorg/modules/libshadow.so
[ 23258.598] (II) Module shadow: vendor="X.Org Foundation"
[ 23258.599]    compiled for 1.20.4, module version = 1.1.0
[ 23258.599]    ABI class: X.Org ANSI C Emulation, version 0.4
[ 23258.600] (II) /dev/fb1: Detected FFB2+/vertical, Z-buffer, Double-buffered.
[ 23258.601] (II) /dev/fb1: BT498 (PAC2) ramdac detected
[ 23258.603] (II) /dev/fb1: Detected Creator/Creator3D
[ 23258.604] (==) SUNFFB(0): Backing store enabled
[ 23258.604] (==) SUNFFB(0): Silken mouse enabled
[ 23258.605] (==) SUNFFB(0): DPMS enabled
[ 23258.605] (==) SUNFFB(0): DPMS enabled
[ 23258.653] (==) FBDEV(1): Backing store enabled
[ 23258.657] (==) FBDEV(1): DPMS enabled
[ 23258.657] (II) Initializing extension Generic Event Extension
[ 23258.659] (II) Initializing extension SHAPE
[ 23258.662] (II) Initializing extension MIT-SHM
[ 23258.664] (II) Initializing extension XInputExtension
[ 23258.667] (II) Initializing extension XTEST
[ 23258.669] (II) Initializing extension BIG-REQUESTS
[ 23258.671] (II) Initializing extension SYNC
[ 23258.673] (II) Initializing extension XKEYBOARD
[ 23258.676] (II) Initializing extension XC-MISC
[ 23258.678] (II) Initializing extension SECURITY
[ 23258.680] (II) Initializing extension XFIXES
[ 23258.683] (II) Initializing extension RENDER
[ 23258.685] (II) Initializing extension RANDR
[ 23258.687] (II) Initializing extension COMPOSITE
[ 23258.690] (II) Initializing extension DAMAGE
[ 23258.692] (II) Initializing extension MIT-SCREEN-SAVER
[ 23258.694] (II) Initializing extension DOUBLE-BUFFER
[ 23258.697] (II) Initializing extension RECORD
[ 23258.699] (II) Initializing extension DPMS
[ 23258.701] (II) Initializing extension Present
[ 23258.703] (II) Initializing extension DRI3
[ 23258.704] (II) Initializing extension X-Resource
[ 23258.706] (II) Initializing extension XVideo
[ 23258.708] (II) Initializing extension XVideo-MotionCompensation
[ 23258.708] (II) Initializing extension SELinux
[ 23258.708] (II) SELinux: Disabled on system
[ 23258.709] (II) Initializing extension GLX
[ 23258.711] (II) AIGLX: Screen 0 is not DRI2 capable
[ 23259.529] (II) IGLX: Loaded and initialized swrast
[ 23259.529] (II) GLX: Initialized DRISWRAST GL provider for screen 0
[ 23259.529] (II) AIGLX: Screen 1 is not DRI2 capable
[ 23259.570] (II) IGLX: Loaded and initialized swrast
[ 23259.570] (II) GLX: Initialized DRISWRAST GL provider for screen 1
[ 23259.570] (II) Initializing extension XFree86-VidModeExtension
[ 23259.572] (II) Initializing extension XFree86-DGA
[ 23259.575] (II) Initializing extension XFree86-DRI
[ 23259.575] (II) Initializing extension DRI2
[ 23260.458] (II) config/udev: Adding input device Sun Type 5 keyboard 
(/dev/input/event0)
[ 23260.458] (**) Sun Type 5 keyboard: Applying InputClass "libinput keyboard 
catchall"
[ 23260.459] (II) LoadModule: "libinput"
[ 23260.460] (II) Loading /usr/lib/xorg/modules/input/libinput_drv.so
[ 23260.574] (II) Module libinput: vendor="X.Org Foundation"
[ 23260.575]    compiled for 1.20.3, module version = 0.28.2
[ 23260.575]    Module class: X.Org XInput Driver
[ 23260.575]    ABI class: X.Org XInput driver, version 24.1
[ 23260.575] (II) Using input driver 'libinput' for 'Sun Type 5 keyboard'
[ 23260.582] (II) systemd-logind: got fd for /dev/input/event0 13:64 fd 20 
paused 0
[ 23260.583] (**) Sun Type 5 keyboard: always reports core events
[ 23260.583] (**) Option "Device" "/dev/input/event0"
[ 23260.584] (**) Option "_source" "server/udev"
[ 23260.639] (II) event0  - Sun Type 5 keyboard: is tagged by udev as: Keyboard
[ 23260.639] (II) event0  - Sun Type 5 keyboard: device is a keyboard
[ 23260.644] (II) event0  - Sun Type 5 keyboard: device removed
[ 23260.646] (**) Option "config_info" 
"udev:/sys/devices/root/f005fa24/f0060218/f0061568/f00635f8/serio0/input/input0/event0"
[ 23260.646] (II) XINPUT: Adding extended input device "Sun Type 5 keyboard" 
(type: KEYBOARD, id 6)
[ 23260.646] (**) Option "xkb_model" "pc105"
[ 23260.647] (**) Option "xkb_layout" "us"
[ 23260.672] (II) event0  - Sun Type 5 keyboard: is tagged by udev as: Keyboard
[ 23260.672] (II) event0  - Sun Type 5 keyboard: device is a keyboard
[ 23260.685] (II) config/udev: Adding input device Sun Mouse (/dev/input/event1)
[ 23260.685] (**) Sun Mouse: Applying InputClass "libinput pointer catchall"
[ 23260.685] (II) Using input driver 'libinput' for 'Sun Mouse'
[ 23260.693] (II) systemd-logind: got fd for /dev/input/event1 13:65 fd 23 
paused 0
[ 23260.693] (**) Sun Mouse: always reports core events
[ 23260.693] (**) Option "Device" "/dev/input/event1"
[ 23260.694] (**) Option "_source" "server/udev"
[ 23260.719] (II) event1  - Sun Mouse: is tagged by udev as: Mouse
[ 23260.722] (II) event1  - Sun Mouse: device is a pointer
[ 23260.724] (II) event1  - Sun Mouse: device removed
[ 23260.726] (**) Option "config_info" 
"udev:/sys/devices/root/f005fa24/f0060218/f0061568/f0064e58/serio1/input/input1/event1"
[ 23260.726] (II) XINPUT: Adding extended input device "Sun Mouse" (type: 
MOUSE, id 7)
[ 23260.729] (**) Option "AccelerationScheme" "none"
[ 23260.729] (**) Sun Mouse: (accel) selected scheme none/0
[ 23260.729] (**) Sun Mouse: (accel) acceleration factor: 2.000
[ 23260.729] (**) Sun Mouse: (accel) acceleration threshold: 4
[ 23260.751] (II) event1  - Sun Mouse: is tagged by udev as: Mouse
[ 23260.753] (II) event1  - Sun Mouse: device is a pointer
[ 23260.763] (II) config/udev: Adding input device Sun Mouse (/dev/input/mouse0)
[ 23260.763] (II) No input driver specified, ignoring this device.
[ 23260.763] (II) This device may have been added with another device file.
[ 23393.293] (II) event1  - Sun Mouse: SYN_DROPPED event - some input events 
have been lost.
[ 23393.534] (II) event1  - Sun Mouse: SYN_DROPPED event - some input events 
have been lost.
[ 23393.698] (II) event1  - Sun Mouse: SYN_DROPPED event - some input events 
have been lost.
[ 23393.814] (II) event1  - Sun Mouse: SYN_DROPPED event - some input events 
have been lost.
[ 23393.822] (II) event1  - Sun Mouse: SYN_DROPPED event - some input events 
have been lost.
[ 23393.822] (II) event1  - Sun Mouse: WARNING: log rate limit exceeded (5 msgs 
per 30000ms). Discarding future messages.

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