This is getting worse and worse.

systemd: kdm.service: State 'stop-sigterm' timed out. Killing.
systemd: kdm.service: Main process exited, code=killed, status=9/KILL
kernel: nouveau 0000:02:00.0: Xorg[13210]: failed to idle channel 3 [Xorg[13210]]
kernel: nouveau 0000:02:00.0: timeout at drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c:111/g84_fifo_chan_engine_fini()!
kernel: nouveau 0000:02:00.0: fifo: channel 3 [Xorg[13210]] unload timeout
kernel: nouveau 0000:02:00.0: Xorg[13210]: failed to idle channel 3 [Xorg[13210]]
kernel: nouveau 0000:02:00.0: Xorg[13210]: failed to idle channel 2 [Xorg[13210]]
kernel: nouveau 0000:02:00.0: timeout at drivers/gpu/drm/nouveau/nvkm/engine/fifo/chang84.c:111/g84_fifo_chan_engine_fini()!
kernel: nouveau 0000:02:00.0: fifo: channel 2 [Xorg[13210]] unload timeout
kernel: nouveau 0000:02:00.0: Xorg[13210]: failed to idle channel 2 [Xorg[13210]]
systemd: Stopped The KDE login manager.

kernel: nouveau 0000:02:00.0: NVIDIA G98 (298e80a2)
kernel: usb 2-5.3: new full-speed USB device number 4 using ehci-pci
kernel: nouveau 0000:02:00.0: bios: version 62.98.75.00.07
kernel: nouveau 0000:02:00.0: fb: 256 MiB GDDR3
kernel: usb 8-2: New USB device found, idVendor=045e, idProduct=0780
kernel: usb 8-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
kernel: usb 8-2: Product: Comfort Curve Keyboard 3000
kernel: usb 8-2: Manufacturer: Microsoft
kernel: input: Microsoft Comfort Curve Keyboard 3000 as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.0/0003:045E:0780.0002/input/input6
kernel: [TTM] Zone  kernel: Available graphics memory: 12342504 kiB
kernel: [TTM] Zone   dma32: Available graphics memory: 2097152 kiB
kernel: [TTM] Initializing pool allocator
kernel: [TTM] Initializing DMA pool allocator
kernel: nouveau 0000:02:00.0: DRM: VRAM: 256 MiB
kernel: nouveau 0000:02:00.0: DRM: GART: 1048576 MiB
kernel: nouveau 0000:02:00.0: DRM: TMDS table version 2.0
kernel: nouveau 0000:02:00.0: DRM: DCB version 4.0
kernel: nouveau 0000:02:00.0: DRM: DCB outp 00: 02000386 0f200010
kernel: nouveau 0000:02:00.0: DRM: DCB outp 01: 02000332 00020010
kernel: nouveau 0000:02:00.0: DRM: DCB outp 02: 040113a6 0f200010
kernel: nouveau 0000:02:00.0: DRM: DCB outp 03: 04011342 00020010
kernel: nouveau 0000:02:00.0: DRM: DCB conn 00: 00005046
kernel: nouveau 0000:02:00.0: DRM: DCB conn 01: 0000a146
kernel: usb 2-5.3: New USB device found, idVendor=0a12, idProduct=0001
kernel: usb 2-5.3: New USB device strings: Mfr=0, Product=0, SerialNumber=0
kernel: [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
kernel: [drm] Driver supports precise vblank timestamp query.
kernel: hid-generic 0003:045E:0780.0002: input,hidraw1: USB HID v1.11 Keyboard [Microsoft Comfort Curve Keyboard 3000] on usb-0000:00:1d.2-2/input0
kernel: input: Microsoft Comfort Curve Keyboard 3000 as /devices/pci0000:00/0000:00:1d.2/usb8/8-2/8-2:1.1/0003:045E:0780.0003/input/input7
kernel: nouveau 0000:02:00.0: DRM: MM: using M2MF for buffer copies
kernel: tsc: Refined TSC clocksource calibration: 2800.095 MHz
kernel: clocksource: tsc: mask: 0xffffffffffffffff max_cycles: 0x285c9a5e278, max_idle_ns: 440795291489 ns
kernel: hid-generic 0003:045E:0780.0003: input,hidraw2: USB HID v1.11 Device [Microsoft Comfort Curve Keyboard 3000] on usb-0000:00:1d.2-2/input1
kernel: nouveau 0000:02:00.0: DRM: allocated 1920x1200 fb: 0x50000, bo ffff8805ff608000
kernel: fbcon: nouveaufb (fb0) is primary device
kernel: Console: switching to colour frame buffer device 240x75
kernel: nouveau 0000:02:00.0: fb0: nouveaufb frame buffer device
kernel: [drm] Initialized nouveau 1.3.1 20120801 for 0000:02:00.0 on minor 0

kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20080c0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 00001481
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 14420000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000148100 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20080c0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 0000003f
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 00000000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000003f00 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 0020023d10 put 0020023da0 ib_get 00000319 ib_put 0000016a state 800048e0 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data beef0201
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 2098b000
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08cc data 00144200
kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20080c0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 00001481
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 14420000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000148100 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00040060
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00040060
kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20091e0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 0000043f
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 04000000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000043f00 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20091e0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 0000003f
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 00000000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000003f00 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 0020027714 put 0020027730 ib_get 00000113 ib_put 000001ee state 800048e0 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 0020025d54 put 0020025d80 ib_get 00000109 ib_put 00000140 state 80000024 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 002003966c put 00200396d0 ib_get 00000244 ib_put 00000280 state 80000000 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20091e0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 00001481
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 14420000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000148100 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
systemd: Starting dnf makecache...
dnf: Metadata cache refreshed recently.
systemd: Started dnf makecache.
audit: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=dnf-makecache comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
audit: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 msg='unit=dnf-makecache comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success'
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20091e0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 0000003f
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 00000000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000003f00 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00040060
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 002003bf2c put 002003bf40 ib_get 00000031 ib_put 00000068 state 80000000 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 0020033f24 put 0020033f38 ib_get 0000005e ib_put 00000095 state 80000000 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 002002857c put 0020028590 ib_get 000003d6 ib_put 0000000d state 80000000 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230
kernel: nouveau 0000:02:00.0: gr: magic set 0:
kernel: nouveau 0000:02:00.0: gr: #01100408904: 20091e0c
kernel: nouveau 0000:02:00.0: gr: #01100408908: 0000003f
kernel: nouveau 0000:02:00.0: gr: #0110040890c: 80000430
kernel: nouveau 0000:02:00.0: gr: #01100408910: 00000000
kernel: nouveau 0000:02:00.0: gr: TRAP_TEXTURE - TP0: 00000003 [ FAULT]
kernel: nouveau 0000:02:00.0: gr: 00200000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08dc data 00000000
kernel: nouveau 0000:02:00.0: fb: trapped read at 0000003f00 on channel 2 [0fb21000 Xorg[1296]] engine 00 [PGRAPH] client 0a [TEXTURE] subclient 00 [] reason 00000000 [PT_NOT_PRESENT]
kernel: nouveau 0000:02:00.0: Xorg[1296]: nv50cal_space: -16
kernel: nouveau 0000:02:00.0: Xorg[1296]: nv50cal_space: -16
kernel: nouveau 0000:02:00.0: fifo: DMA_PUSHER - ch 2 [Xorg[1296]] get 002002cccc put 002002cce0 ib_get 00000134 ib_put 0000016b state 80000000 (err: INVALID_CMD) push 00406040
kernel: nouveau 0000:02:00.0: gr: DATA_ERROR 00000004 [INVALID_VALUE]
kernel: nouveau 0000:02:00.0: gr: 00100000 [] ch 2 [000fb21000 Xorg[1296]] subc 2 class 502d mthd 08c4 data 00144230