Same.
I used My OSMC to select hifiberry-dacplus-overlay. after rebooting, its reset to “NONE”
I manually edited the /boot/config.txt
AFTER editng /boot/config.txt file
osmc@osmc:~$ cat /boot/config.txt
gpu_mem_1024=256
hdmi_ignore_cec_init=1
disable_overscan=1
start_x=1
disable_splash=1
gpu_mem_256=112
sdtv_aspect=1
dtparam=gpio_in_pin=18
gpu_mem_512=144
dtparam=gpio_out_pin=17
dtoverlay=hifiberry-dacplus-overlay
dtdebug=1
dtparam=audio=off
AFTER reboot /boot/config.txt file
osmc@osmc:~$ cat /boot/config.txt
gpu_mem_1024=256
hdmi_ignore_cec_init=1
disable_overscan=1
start_x=1
disable_splash=1
dtoverlay=lirc-rpi
gpu_mem_256=112
sdtv_aspect=1
dtparam=gpio_in_pin=18
gpu_mem_512=144
dtparam=gpio_out_pin=17
The /boot/config.txt has been reset to its original file. My modification gone.
After the reboot I ran the command sudo vcdbg log msg. Here is the output.
osmc@osmc:~$ sudo vcdbg log msg
001227.384: HDMI:EDID version 1.3, 1 extensions, screen size 143x80 cm
001227.448: HDMI:EDID features - videodef 0x80 !standby !suspend active off; colour encoding:RGB444|YCbCr422; sRGB is not default colourspace; preferred format is native; does not support GTF
001227.507: HDMI:EDID found preferred CEA detail timing format: 1920x1080p @ 60 Hz (16)
001227.550: HDMI:EDID found DMT format: code 4, 640x480p @ 60 Hz in established timing I/II
001227.586: HDMI:EDID found DMT format: code 6, 640x480p @ 75 Hz in established timing I/II
001227.625: HDMI:EDID found DMT format: code 9, 800x600p @ 60 Hz in established timing I/II
001227.663: HDMI:EDID found DMT format: code 10, 800x600p @ 72 Hz in established timing I/II
001227.702: HDMI:EDID found DMT format: code 11, 800x600p @ 75 Hz in established timing I/II
001227.743: HDMI:EDID found DMT format: code 16, 1024x768p @ 60 Hz in established timing I/II
001227.782: HDMI:EDID found DMT format: code 17, 1024x768p @ 70 Hz in established timing I/II
001227.820: HDMI:EDID found DMT format: code 18, 1024x768p @ 75 Hz in established timing I/II
001227.912: HDMI:EDID standard timings block x 8: 0x8100 81C0 0101 0101 0101 0101 0101 0101
001227.965: HDMI:EDID found DMT format: code 28, 1280x800p @ 60 Hz (16:10) in standard timing 0
001228.024: HDMI:EDID found DMT format: code 85, 1280x720p @ 60 Hz (16:9) in standard timing 1
001241.031: HDMI:EDID parsing v3 CEA extension 0
001241.069: HDMI:EDID monitor support - underscan IT formats:no, basic audio:yes, yuv444:yes, yuv422:yes, #native DTD:1
001241.115: HDMI:EDID found CEA detail timing format: 1920x1080p @ 60 Hz (16)
001241.155: HDMI:EDID found CEA detail timing format: 1280x720p @ 60 Hz (4)
001241.191: HDMI:EDID found CEA format: code 1, 640x480p @ 60Hz
001241.222: HDMI:EDID found CEA format: code 3, 720x480p @ 60Hz
001241.254: HDMI:EDID found CEA format: code 4, 1280x720p @ 60Hz
001241.286: HDMI:EDID found CEA format: code 5, 1920x1080i @ 60Hz
001241.321: HDMI:EDID found CEA format: code 16, 1920x1080p @ 60Hz (native)
001241.356: HDMI:EDID found CEA format: code 32, 1920x1080p @ 24Hz
001241.388: HDMI:EDID found CEA format: code 17, 720x576p @ 50Hz
001241.422: HDMI:EDID found CEA format: code 18, 720x576p @ 50Hz
001241.455: HDMI:EDID found CEA format: code 19, 1280x720p @ 50Hz
001241.490: HDMI:EDID found CEA format: code 20, 1920x1080i @ 50Hz
001241.524: HDMI:EDID found CEA format: code 31, 1920x1080p @ 50Hz
001241.574: HDMI:EDID found audio format 2 channels PCM, sample rate: 32|44|48 kHz, sample size: 16|24 bits
001241.633: HDMI:EDID found audio format 6 channels AC3, sample rate: 32|44|48|96|192 kHz, bitrate: 640 kbps
001241.682: HDMI:EDID found audio format 1 channels Reserved, sample rate: 32|44|48 kHz, bitrate: 0 kbps
001241.701: HDMI:EDID found HDMI VSDB length 14
001241.726: HDMI:EDID HDMI VSDB has physical address 3.0.0.0
001241.747: HDMI:EDID HDMI VSDB supports AI:no, dual link DVI:no
001241.779: HDMI:EDID HDMI VSDB deep colour support - 48-bit:no 36-bit:yes 30-bit:no DC_yuv444:yes
001241.799: HDMI:EDID HDMI VSDB max TMDS clock 225 MHz
001241.817: HDMI:EDID HDMI VSDB does not support content type
001241.860: HDMI:EDID filtering formats with pixel clock > 162 MHz or h. blanking > 1023
001242.050: HDMI:EDID preferred mode remained as CEA (16) 1920x1080p @ 60 Hz with pixel clock 148 MHz
001256.444: HDMI:Setting property pixel encoding to Default
001256.467: HDMI:Setting property pixel clock type to PAL
001256.484: HDMI:Setting property content type flag to No data
001256.504: HDMI:Setting property fuzzy format match to enabled
001444.788: hdmi: HDMI:>>>>>>>>>>>>>Rx sensed, reading EDID<<<<<<<<<<<<<
001456.925: hdmi: HDMI:EDID version 1.3, 1 extensions, screen size 143x80 cm
001456.994: hdmi: HDMI:EDID features - videodef 0x80 !standby !suspend active off; colour encoding:RGB444|YCbCr422; sRGB is not default colourspace; preferred format is native; does not support GTF
001457.054: hdmi: HDMI:EDID found preferred CEA detail timing format: 1920x1080p @ 60 Hz (16)
001457.100: hdmi: HDMI:EDID found DMT format: code 4, 640x480p @ 60 Hz in established timing I/II
001457.141: hdmi: HDMI:EDID found DMT format: code 6, 640x480p @ 75 Hz in established timing I/II
001457.184: hdmi: HDMI:EDID found DMT format: code 9, 800x600p @ 60 Hz in established timing I/II
001457.224: hdmi: HDMI:EDID found DMT format: code 10, 800x600p @ 72 Hz in established timing I/II
001457.267: hdmi: HDMI:EDID found DMT format: code 11, 800x600p @ 75 Hz in established timing I/II
001457.311: hdmi: HDMI:EDID found DMT format: code 16, 1024x768p @ 60 Hz in established timing I/II
001457.354: hdmi: HDMI:EDID found DMT format: code 17, 1024x768p @ 70 Hz in established timing I/II
001457.395: hdmi: HDMI:EDID found DMT format: code 18, 1024x768p @ 75 Hz in established timing I/II
001457.490: hdmi: HDMI:EDID standard timings block x 8: 0x8100 81C0 0101 0101 0101 0101 0101 0101
001457.548: hdmi: HDMI:EDID found DMT format: code 28, 1280x800p @ 60 Hz (16:10) in standard timing 0
001457.611: hdmi: HDMI:EDID found DMT format: code 85, 1280x720p @ 60 Hz (16:9) in standard timing 1
001470.621: hdmi: HDMI:EDID parsing v3 CEA extension 0
001470.664: hdmi: HDMI:EDID monitor support - underscan IT formats:no, basic audio:yes, yuv444:yes, yuv422:yes, #native DTD:1
001470.712: hdmi: HDMI:EDID found CEA detail timing format: 1920x1080p @ 60 Hz (16)
001470.756: hdmi: HDMI:EDID found CEA detail timing format: 1280x720p @ 60 Hz (4)
001470.795: hdmi: HDMI:EDID found CEA format: code 1, 640x480p @ 60Hz
001470.830: hdmi: HDMI:EDID found CEA format: code 3, 720x480p @ 60Hz
001470.865: hdmi: HDMI:EDID found CEA format: code 4, 1280x720p @ 60Hz
001470.901: hdmi: HDMI:EDID found CEA format: code 5, 1920x1080i @ 60Hz
001470.940: hdmi: HDMI:EDID found CEA format: code 16, 1920x1080p @ 60Hz (native)
001470.978: hdmi: HDMI:EDID found CEA format: code 32, 1920x1080p @ 24Hz
001471.013: hdmi: HDMI:EDID found CEA format: code 17, 720x576p @ 50Hz
001471.050: hdmi: HDMI:EDID found CEA format: code 18, 720x576p @ 50Hz
001471.086: hdmi: HDMI:EDID found CEA format: code 19, 1280x720p @ 50Hz
001471.123: hdmi: HDMI:EDID found CEA format: code 20, 1920x1080i @ 50Hz
001471.161: hdmi: HDMI:EDID found CEA format: code 31, 1920x1080p @ 50Hz
001471.215: hdmi: HDMI:EDID found audio format 2 channels PCM, sample rate: 32|44|48 kHz, sample size: 16|24 bits
001471.277: hdmi: HDMI:EDID found audio format 6 channels AC3, sample rate: 32|44|48|96|192 kHz, bitrate: 640 kbps
001471.329: hdmi: HDMI:EDID found audio format 1 channels Reserved, sample rate: 32|44|48 kHz, bitrate: 0 kbps
001471.350: hdmi: HDMI:EDID found HDMI VSDB length 14
001471.378: hdmi: HDMI:EDID HDMI VSDB has physical address 3.0.0.0
001471.403: hdmi: HDMI:EDID HDMI VSDB supports AI:no, dual link DVI:no
001471.438: hdmi: HDMI:EDID HDMI VSDB deep colour support - 48-bit:no 36-bit:yes 30-bit:no DC_yuv444:yes
001471.461: hdmi: HDMI:EDID HDMI VSDB max TMDS clock 225 MHz
001471.482: hdmi: HDMI:EDID HDMI VSDB does not support content type
001471.529: hdmi: HDMI:EDID filtering formats with pixel clock > 162 MHz or h. blanking > 1023
001471.723: hdmi: HDMI:EDID preferred mode remained as CEA (16) 1920x1080p @ 60 Hz with pixel clock 148 MHz
001471.744: hdmi: HDMI: hotplug attached with HDMI support
001471.811: hdmi: HDMI:hdmi_get_state is deprecated, use hdmi_get_display_state instead
001474.286: hdmi: HDMI: power_on to CEA mode 1080p60
001477.462: hdmi: HDMI: Action callback added to queue to happen at frame 2
001477.484: hdmi: HDMI: Action stop_3d_mode added to queue to happen at frame 2
001477.507: hdmi: HDMI: Action unmute added to queue to happen at frame 3
001527.982: *** Restart logging
001529.588: Read command line from file ‘cmdline.txt’
root=/dev/mmcblk0p2 rootfstype=ext4 rootwait quiet osmcdev=rbp2
002081.643: Loading ‘kernel.img’ to 0x8000 size 0x70f8c8
002082.600: No kernel trailer (run mkknlimg to fix) - assuming DT-capable
002085.715: Loading ‘bcm2710-rpi-3-b.dtb’ to 0x7178c8 size 0x3e74
002167.347: dtparam: uart0_clkrate=48000000
002208.637: Loaded overlay ‘lirc-rpi’
002208.697: dtparam: gpio_in_pin=18
002209.241: dtparam: gpio_out_pin=17
002257.910: dtparam: uart1=off
002324.468: dtparam: arm_freq=1200000000
002368.934: dtparam: core_freq=400000000
002380.923: dtparam: cache_line_size=64
002404.176: Device tree loaded to 0x2efebb00 (size 0x445b)
002406.443: gpioman: gpioman_get_pin_num: pin SDCARD_CONTROL_POWER not defined
004307.178: vchiq_core: vchiq_init_state: slot_zero = 0xee880000, is_master = 1
004311.782: hdmi: HDMI:hdmi_get_state is deprecated, use hdmi_get_display_state instead
004317.748: TV service:host side not connected, dropping notification 0x00000002, 0x00000001, 0x00000010
013719.714: hdmi: HDMI:Setting property pixel clock type to PAL
013719.783: hdmi: HDMI: power_on to CEA mode 1080p60
013719.819: hdmi: HDMI: Action detach added to queue to happen at frame 728
013719.834: hdmi: HDMI: Action change_mode added to queue to happen at frame 728
013719.850: hdmi: HDMI: Action attach added to queue to happen at frame 728
013719.865: hdmi: HDMI: Action start_mode added to queue to happen at frame 728
013719.879: hdmi: HDMI: Action callback added to queue to happen at frame 730
013719.895: hdmi: HDMI: Action stop_3d_mode added to queue to happen at frame 730
013719.909: hdmi: HDMI: Action unmute added to queue to happen at frame 731
Not understanding why the config.txt is being reset to its original file after editing.
Thanks Marc