# bash lvmcache-stats.sh
------------------------------------
LVM Cache report of /dev/main/var
------------------------------------
- Cache Usage: 99.9% - Metadata Usage: .9%
- Read Hit Rate: 91.8% - Write Hit Rate: 98.5%
- Demotions/Promotions/Dirty: 3208/3219/583224
- Features in use: metadata2 writethrough no_discard_passdown 

# lvchange --cachesettings 'cleaner=1' main/var
  Logical volume main/var changed.
  WARNING: SMQ cache policy does not support "cleaner=1" setting, remove with 'lvchange --cachesettings "cleaner=default" ...'.
  WARNING: SMQ cache policy does not support "cleaner=1" setting, remove with 'lvchange --cachesettings "cleaner=default" ...'.

/usr/share/arduino/arduino-builder -compile -logger=machine -hardware /usr/share/arduino/hardware -hardware /home/user/.arduino15/packages -tools /home/user/.arduino15/packages -libraries /home/user/Arduino/libraries -fqbn=arduino:avr:uno -ide-version=10819 -build-path /tmp/arduino_build_467456 -warnings=default -build-cache /tmp/arduino_cache_886040 -prefs=build.warn_data_percentage=75 -verbose /home/user/Arduino/Impedance_Meter_Sketch/Impedance_Meter_Sketch.ino
U
===info ||| Progress {0} ||| [0.22]
===info ||| Progress {0} ||| [0.45]
===info ||| Progress {0} ||| [0.67]
===info ||| Progress {0} ||| [0.89]
===info ||| Progress {0} ||| [1.12]
===info ||| Using board '{0}' from platform in folder: {1} ||| [uno %2Fusr%2Fshare%2Farduino%2Fhardware%2Farduino%2Favr]
===info ||| Using core '{0}' from platform in folder: {1} ||| [arduino %2Fusr%2Fshare%2Farduino%2Fhardware%2Farduino%2Favr]
===info ||| Progress {0} ||| [1.34]
===info ||| Progress {0} ||| [1.56]
===info ||| Progress {0} ||| [1.79]
===info ||| Progress {0} ||| [2.01]
===info ||| Progress {0} ||| [2.23]
===info ||| Progress {0} ||| [2.46]
===info ||| Progress {0} ||| [2.68]
===info ||| Progress {0} ||| [2.90]
===info ||| Progress {0} ||| [3.13]
===info ||| Progress {0} ||| [3.12]
===info ||| Progress {0} ||| [6.25]
===info ||| Progress {0} ||| [9.38]
===info ||| Progress {0} ||| [12.50]
===info ||| Progress {0} ||| [15.62]
===info ||| Detecting libraries used... ||| []
===info ||| Progress {0} ||| [18.75]
/usr/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -I/usr/share/arduino/hardware/arduino/avr/cores/arduino -I/usr/share/arduino/hardware/arduino/avr/variants/standard /tmp/arduino_build_467456/sketch/Impedance_Meter_Sketch.ino.cpp -o /dev/null -DARDUINO_LIB_DISCOVERY_PHASE
===debug ||| Error while detecting libraries included by {0} ||| [%2Ftmp%2Farduino_build_467456%2Fsketch%2FImpedance_Meter_Sketch.ino.cpp]
===info ||| Progress {0} ||| [21.88]
===info ||| Progress {0} ||| [25.00]
===info ||| Generating function prototypes... ||| []
===info ||| Progress {0} ||| [28.12]
/usr/bin/avr-g++ -c -g -Os -w -std=gnu++11 -fpermissive -fno-exceptions -ffunction-sections -fdata-sections -fno-threadsafe-statics -Wno-error=narrowing -flto -w -x c++ -E -CC -mmcu=atmega328p -DF_CPU=16000000L -DARDUINO=10819 -DARDUINO_AVR_UNO -DARDUINO_ARCH_AVR -I/usr/share/arduino/hardware/arduino/avr/cores/arduino -I/usr/share/arduino/hardware/arduino/avr/variants/standard /tmp/arduino_build_467456/sketch/Impedance_Meter_Sketch.ino.cpp -o /tmp/arduino_build_467456/preproc/ctags_target_for_gcc_minus_e.cpp -DARDUINO_LIB_DISCOVERY_PHASE
/home/user/Arduino/Impedance_Meter_Sketch/Impedance_Meter_Sketch.ino:4:10: фатальная ошибка: U8glib.h: Нет такого файла или каталога
    4 | #include <U8glib.h>
      |          ^~~~~~~~~~
компиляция прервана.
===info ||| Progress {0} ||| [25.00]
===info ||| Progress {0} ||| [50.00]
===info ||| Progress {0} ||| [75.00]
===info ||| Progress {0} ||| [100.00]
exit status 1

$ ls /home/user/Arduino/libraries/
Adafruit_ADS1X15  Adafruit_BusIO  readme.txt  U8g2  U8glib

mmc0: error -110 whilst initialising SD card

# hostapd -d /tmp/hostapd.conf 
random: Trying to read entropy from /dev/random
Configuration file: /tmp/hostapd.conf
drv->ifindex=3
l2_sock_recv==l2_sock_xmit=0x0xb6e5ff00
BSS count 1, BSSID mask 00:00:00:00:00:00 (0 bits)
Channel 3 (primary) not allowed for AP mode, flags: 0x0
wlan0: IEEE 802.11 Configured channel (3) not found from the channel list of current mode (1) IEEE 802.11g
wlan0: IEEE 802.11 Hardware does not support configured channel
Could not select hw_mode and channel. (-3)
wlan0: interface state UNINITIALIZED->DISABLED
wlan0: AP-DISABLED 
wlan0: Unable to setup interface.

# hostapd -d /etc/hostapd.conf 
random: Trying to read entropy from /dev/random
Configuration file: /etc/hostapd.conf
ctrl_interface_group=0
drv->ifindex=3
l2_sock_recv==l2_sock_xmit=0x0xb6e85f10
BSS count 1, BSSID mask 00:00:00:00:00:00 (0 bits)
wlan0: interface state UNINITIALIZED->COUNTRY_UPDATE
Previous country code , new country code US 
Continue interface setup after channel list update
ctrl_iface not configured!
random: Got 20/20 bytes from /dev/random
Channel list update timeout - try to continue anyway
Channel 1 (primary) not allowed for AP mode, flags: 0x0
wlan0: IEEE 802.11 Configured channel (1) not found from the 
channel list of current mode (1) IEEE 802.11g

server {
        listen          80;
        server_name  my.server.host;
        if ($uri ~* "/$") {
                rewrite ^/(.*)$ https://$host/ redirect;
        }
}

[5992567.215908] atkbd serio0: Unknown key pressed (translated set 2, code 0x88 on isa0060/serio0).
[5992567.215914] atkbd serio0: Use 'setkeycodes e008 <keycode>' to make it known.
[5992567.346477] iwlwifi 0000:03:00.0: RF_KILL bit toggled to enable radio.
[5992567.346481] iwlwifi 0000:03:00.0: reporting RF_KILL (radio enabled)
[5992567.359585] iwlwifi 0000:03:00.0: Radio type=0x2-0x1-0x0
[5992567.666598] iwlwifi 0000:03:00.0: Radio type=0x2-0x1-0x0
[5992567.673758] usb 4-1.5: new full-speed USB device number 6 using ehci-pci
[5992567.838841] usb 4-1.5: config 1 interface 1 altsetting 0 endpoint 0x3 has wMaxPacketSize 0, skipping
[5992567.838848] usb 4-1.5: config 1 interface 1 altsetting 0 endpoint 0x83 has wMaxPacketSize 0, skipping
[5992567.838865] usb 4-1.5: New USB device found, idVendor=8087, idProduct=07da, bcdDevice=78.69
[5992567.838869] usb 4-1.5: New USB device strings: Mfr=0, Product=0, SerialNumber=0
[5992567.841256] Bluetooth: hci0: unexpected event for opcode 0x0000

# ls /lib/firmware/iwlwifi-6000*
/lib/firmware/iwlwifi-6000-4.ucode  /lib/firmware/iwlwifi-6000g2a-5.ucode  /lib/firmware/iwlwifi-6000g2a-6.ucode  /lib/firmware/iwlwifi-6000g2b-5.ucode  /lib/firmware/iwlwifi-6000g2b-6.ucode

CONFIG_DEBUG_FS=y
CONFIG_HAVE_DEBUG_KMEMLEAK=y
CONFIG_DEBUG_KMEMLEAK=y
CONFIG_DEBUG_KMEMLEAK_EARLY_LOG_SIZE=400
CONFIG_DEBUG_KMEMLEAK_DEFAULT_OFF=y

debugfs on /sys/kernel/debug type debugfs (rw,relatime)
configfs on /sys/kernel/config type configfs (rw,relatime)

NOTIFY_SOCKET=/run/systemd/notify systemd-notify ""

# setxkbmap -print -verbose 10
Setting verbose level to 10
locale is C
Trying to load rules file ./rules/evdev...
Trying to load rules file /usr/share/X11/xkb/rules/evdev...
Success.
Applied rules from evdev:
rules:      evdev
model:      pc105
layout:     us,ru,ua
variant:    ,winkeys,winkeys
options:    grp:shifts_loggle,grp_led:scroll
Trying to build keymap using the following components:
keycodes:   evdev+aliases(qwerty)
types:      complete
compat:     complete+ledscroll(group_lock)
symbols:    pc+us+ru(winkeys):2+ua(winkeys):3+inet(evdev)
geometry:   pc(pc105)
xkb_keymap {
	xkb_keycodes  { include "evdev+aliases(qwerty)"	};
	xkb_types     { include "complete"	};
	xkb_compat    { include "complete+ledscroll(group_lock)"	};
	xkb_symbols   { include "pc+us+ru(winkeys):2+ua(winkeys):3+inet(evdev)"	};
	xkb_geometry  { include "pc(pc105)"	};
};

[    72.032] (II) config/udev: Adding input device Barcode Reader  (/dev/input/event3)
[    72.032] (**) Barcode Reader : Applying InputClass "evdev keyboard catchall"
[    72.032] (**) Barcode Reader : Applying InputClass "system-keyboard"
[    72.032] (II) Using input driver 'evdev' for 'Barcode Reader '
[    72.032] (**) Barcode Reader : always reports core events
[    72.032] (**) evdev: Barcode Reader : Device: "/dev/input/event3"
[    72.032] (--) evdev: Barcode Reader : Vendor 0x13ba Product 0x18
[    72.032] (--) evdev: Barcode Reader : Found keys
[    72.032] (II) evdev: Barcode Reader : Configuring as keyboard
[    72.033] (**) Option "config_info" "udev:/sys/devices/pci0000:00/0000:00:02.0/usb2/2-3/2-3:1.0/0003:13BA:0018.0001/input/input5/event3"
[    72.033] (II) XINPUT: Adding extended input device "Barcode Reader " (type: KEYBOARD, id 8)
[    72.033] (**) Option "xkb_rules" "evdev"
[    72.033] (**) Option "xkb_model" "pc105"
[    72.033] (**) Option "xkb_layout" "us,ru,ua"
[    72.033] (**) Option "xkb_variant" ",winkeys,winkeys"
[    72.033] (**) Option "xkb_options" "grp:shifts_loggle,grp_led:scroll"

# setxkbmap -option "grp:shifts_toggle"

# setxkbmap -print -verbose 10
Setting verbose level to 10
locale is C
Trying to load rules file ./rules/evdev...
Trying to load rules file /usr/share/X11/xkb/rules/evdev...
Success.
Applied rules from evdev:
rules:      evdev
model:      pc105
layout:     us,ru,ua
variant:    ,winkeys,winkeys
options:    grp:shifts_toggle,grp:shifts_loggle,grp_led:scroll
Trying to build keymap using the following components:
keycodes:   evdev+aliases(qwerty)
types:      complete
compat:     complete+ledscroll(group_lock)
symbols:    pc+us+ru(winkeys):2+ua(winkeys):3+inet(evdev)+group(shifts_toggle)
geometry:   pc(pc105)
xkb_keymap {
	xkb_keycodes  { include "evdev+aliases(qwerty)"	};
	xkb_types     { include "complete"	};
	xkb_compat    { include "complete+ledscroll(group_lock)"	};
	xkb_symbols   { include "pc+us+ru(winkeys):2+ua(winkeys):3+inet(evdev)+group(shifts_toggle)"	};
	xkb_geometry  { include "pc(pc105)"	};
};

⎡ Virtual core pointer                    	id=2	[master pointer  (3)]
	Reporting 7 classes:
		Class originated from: 10. Type: XIButtonClass
		Buttons supported: 13
		Button labels: "Button Left" "Button Middle" "Button Right" "Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz Wheel Right" "Button Side" "Button Extra" "Button Unknown" "Button Unknown" "Button Unknown" "Button Unknown"
		Button state:
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 0:
		  Label: Rel X
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 1:
		  Label: Rel Y
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 2:
		  Label: Rel Horiz Wheel
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 3:
		  Label: Rel Vert Wheel
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIScrollClass
		Scroll info for Valuator 2
		  type: 2 (horizontal)
		  increment: 1.000000
		  flags: 0x0
		Class originated from: 10. Type: XIScrollClass
		Scroll info for Valuator 3
		  type: 1 (vertical)
		  increment: -1.000000
		  flags: 0x2 ( preferred )

⎜   ↳ Virtual core XTEST pointer              	id=4	[slave  pointer  (2)]
	Reporting 3 classes:
		Class originated from: 4. Type: XIButtonClass
		Buttons supported: 10
		Button labels: "Button Left" "Button Middle" "Button Right" "Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz Wheel Right" None None None
		Button state:
		Class originated from: 4. Type: XIValuatorClass
		Detail for Valuator 0:
		  Label: Rel X
		  Range: -1.000000 - -1.000000
		  Resolution: 0 units/m
		  Mode: relative
		Class originated from: 4. Type: XIValuatorClass
		Detail for Valuator 1:
		  Label: Rel Y
		  Range: -1.000000 - -1.000000
		  Resolution: 0 units/m
		  Mode: relative

⎜   ↳ Barcode Reader                          	id=9	[slave  pointer  (2)]
	Reporting 8 classes:
		Class originated from: 9. Type: XIButtonClass
		Buttons supported: 13
		Button labels: "Button Left" "Button Middle" "Button Right" "Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz Wheel Right" "Button Side" "Button Extra" "Button Unknown" "Button Unknown" "Button Unknown" "Button Unknown"
		Button state:
		Class originated from: 9. Type: XIKeyClass
		Keycodes supported: 248
		Class originated from: 9. Type: XIValuatorClass
		Detail for Valuator 0:
		  Label: Rel X
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 9. Type: XIValuatorClass
		Detail for Valuator 1:
		  Label: Rel Y
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 9. Type: XIValuatorClass
		Detail for Valuator 2:
		  Label: Rel Horiz Wheel
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 9. Type: XIValuatorClass
		Detail for Valuator 3:
		  Label: Rel Vert Wheel
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 9. Type: XIScrollClass
		Scroll info for Valuator 2
		  type: 2 (horizontal)
		  increment: 1.000000
		  flags: 0x0
		Class originated from: 9. Type: XIScrollClass
		Scroll info for Valuator 3
		  type: 1 (vertical)
		  increment: -1.000000
		  flags: 0x2 ( preferred )

⎜   ↳ ImExPS/2 Generic Explorer Mouse         	id=10	[slave  pointer  (2)]
	Reporting 7 classes:
		Class originated from: 10. Type: XIButtonClass
		Buttons supported: 13
		Button labels: "Button Left" "Button Middle" "Button Right" "Button Wheel Up" "Button Wheel Down" "Button Horiz Wheel Left" "Button Horiz Wheel Right" "Button Side" "Button Extra" "Button Unknown" "Button Unknown" "Button Unknown" "Button Unknown"
		Button state:
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 0:
		  Label: Rel X
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 1:
		  Label: Rel Y
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 2:
		  Label: Rel Horiz Wheel
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIValuatorClass
		Detail for Valuator 3:
		  Label: Rel Vert Wheel
		  Range: -1.000000 - -1.000000
		  Resolution: 1 units/m
		  Mode: relative
		Class originated from: 10. Type: XIScrollClass
		Scroll info for Valuator 2
		  type: 2 (horizontal)
		  increment: 1.000000
		  flags: 0x0
		Class originated from: 10. Type: XIScrollClass
		Scroll info for Valuator 3
		  type: 1 (vertical)
		  increment: -1.000000
		  flags: 0x2 ( preferred )

⎣ Virtual core keyboard                   	id=3	[master keyboard (2)]
	Reporting 1 classes:
		Class originated from: 8. Type: XIKeyClass
		Keycodes supported: 248

    ↳ Virtual core XTEST keyboard             	id=5	[slave  keyboard (3)]
	Reporting 1 classes:
		Class originated from: 5. Type: XIKeyClass
		Keycodes supported: 248

    ↳ Power Button                            	id=6	[slave  keyboard (3)]
	Reporting 1 classes:
		Class originated from: 6. Type: XIKeyClass
		Keycodes supported: 248

    ↳ Power Button                            	id=7	[slave  keyboard (3)]
	Reporting 1 classes:
		Class originated from: 7. Type: XIKeyClass
		Keycodes supported: 248

    ↳ Barcode Reader                          	id=8	[slave  keyboard (3)]
	Reporting 1 classes:
		Class originated from: 8. Type: XIKeyClass
		Keycodes supported: 248

# Some options
-# CONFIG_OPT5 is not set
+CONFIG_OPT5=y
+CONFIG_OPT6=m
# Some drivers
+CONFIG_DRIVER9=m
-# CONFIG_DRIVER12 is not set