if boot ESP12e board, you can see message: formating about simba

[eerimoq]

Hmm... that sounds bad. The file system logic first tries to mount the file system, and only if it fails it formats it.

https://github.com/eerimoq/simba/blob/master/src/kernel/sys/filesystem.i#L205-L240

Can you provide logs of multiple boots?

[wuwx]

i use nodemcuv2 board, it was used esp12e

 ets Jan  8 2013,rst cause:2, boot mode:(3,6)

load 0x4010f000, len 1384, room 16 
tail 8
chksum 0x2d
csum 0x2d
v3fffa160
~ld
��+P�*��h�*�Dr pp_task_hdl : 3fffa588, prio:13, stack:512
pm_task_hdl : 3fffae58, prio:1, stack:255
tcpip_task_hdl : 3fffa308, prio:10,stack:512
idle_task_hdl : 3fffa3a8,prio:0, stack:255
tim_task_hdl : 3fffc750, prio:2,stack:256
xPortStartScheduler
frc2_timer_task_hdl:3fffcc60, prio:12, stack:512

OS SDK ver: 1.3.0(68c9e7b) compiled @ Nov  2 2015 18:53:21
phy ver: 484, pp ver: 9.9

mode : sta(5c:cf:7f:13:90:8d) + softAP(5e:cf:7f:13:90:8d)
add if0
dhcp server start:(ip:192.168.4.1,mask:255.255.255.0,gw:192.168.4.1)
add if1
bcn 100
f r0, Trying to mount the file system.
Failed to mount the file system. Formatting it.
Trying to mount the file system after formatting it.
File system mounted.
Waiting for a connection to WiFi.

then i press reset button

$ 
$ 
 ets Jan  8 2013,rst cause:2, boot mode:(3,6)

load 0x4010f000, len 1384, room 16 
tail 8
chksum 0x2d
csum 0x2d
v3fffa160
~ld
��+P�*��h�*�Dr pp_task_hdl : 3fffa588, prio:13, stack:512
pm_task_hdl : 3fffae58, prio:1, stack:255
tcpip_task_hdl : 3fffa308, prio:10,stack:512
idle_task_hdl : 3fffa3a8,prio:0, stack:255
tim_task_hdl : 3fffc750, prio:2,stack:256
xPortStartScheduler
frc2_timer_task_hdl:3fffcc60, prio:12, stack:512

OS SDK ver: 1.3.0(68c9e7b) compiled @ Nov  2 2015 18:53:21
phy ver: 484, pp ver: 9.9

mode : sta(5c:cf:7f:13:90:8d) + softAP(5e:cf:7f:13:90:8d)
add if0
dhcp server start:(ip:192.168.4.1,mask:255.255.255.0,gw:192.168.4.1)
add if1
bcn 100
Trying to mount the file system.
Failed to mount the file system. Formatting it.
Trying to mount the file system after formatting it.
File system mounted.
Waiting for a connection to WiFi.

[eerimoq]

Please run /kernel/sys/config and /kernel/sys/info in the shell. It will print information about the file system configuration.

[wuwx]

config: sys-config-string=1
        assert=1
        debug=1
        fs-cmd-ds18b20-list=1
        fs-cmd-fs-counters-list=1
        fs-cmd-fs-counters-reset=1
        fs-cmd-fs-filesystems-append=1
        fs-cmd-fs-filesystems-list=1
        fs-cmd-fs-filesystems-read=1
        fs-cmd-fs-filesystems-write=1
        fs-cmd-fs-parameters-list=1
        fs-cmd-i2c-read=1
        fs-cmd-i2c-write=1
        fs-cmd-log-list=1
        fs-cmd-log-print=1
        fs-cmd-log-set-log-mask=1
        fs-cmd-network-interface-list=1
        fs-cmd-pin-read=1
        fs-cmd-pin-set-mode=1
        fs-cmd-pin-write=1
        fs-cmd-settings-list=1
        fs-cmd-settings-read=1
        fs-cmd-settings-reset=1
        fs-cmd-settings-write=1
        fs-cmd-sys-info=1
        fs-cmd-sys-uptime=1
        fs-cmd-thrd-list=1
        fs-cmd-thrd-set-log-mask=1
        fs-cmd-usb-device-list=1
        fs-cmd-usb-host-list=1
        monitor-thread=0
        preemptive-scheduler=0
        profile-stack=1
        settings-area-size=256
        shell-command-max=64
        shell-history-size=768
        shell-minimal=0
        shell-prompt="$ "
        spiffs=1
        start-console=1
        start-console-device-index=0
        start-console-uart-baudrate=74880
        start-console-usb-cdc-control-interface=0
        start-console-usb-cdc-endpoint-in=2
        start-console-usb-cdc-endpoint-out=3
        start-console-usb-cdc-wait-for-connetion=1
        start-filesystem=1
        start-filesystem-address=0x00300000
        start-filesystem-size=0x100000
        start-network=0
        start-network-interface-wifi-ssid=SSID
        start-network-interface-wifi-password=********
        start-shell=1
        start-shell-prio=30
        start-shell-stack-size=1536
        std-output-buffer-max=16
        system-tick-frequency=100
        usb-device-vid=0x2341
        usb-device-pid=0x8037

/kernel/sys/info
app:    app_name-8.0.0 built 2016-09-22 23:59 CST by wwx.
board:  ESP-12E Development Board
mcu:    Espressif ESP8266 @ 80 MHz, 82 kB dram, 4 MB flash

[wuwx]

may be i know why
the last 20k space used to eeprom
so ......
i can post a pull request

[eerimoq]

The fix in the pull request fixes this issue, right?

[wuwx]

yes, it's woking now~~~~