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ubuntu

ubuntu:/opt/D1/tina_d1_open$ mv package/test1/test2/test3/test4/test5/test6/helloworld/ package/test1/test2/test3 
ubuntu:/opt/D1/tina_d1_open$ 
ubuntu:/opt/D1/tina_d1_open$ lunch 

You're building on Linux

Lunch menu... pick a combo:
     1. d1_f133evb1_rgb800x480-tina
     2. d1_nezha_min2-tina
     3. d1_nezha_min3-tina
     4. d1_nezha_min-tina
     5. d1_nezha-tina

Which would you like? [Default d1_nezha]: 5
============================================
TINA_BUILD_TOP=/opt/D1/tina_d1_open
TINA_TARGET_ARCH=riscv
TARGET_PRODUCT=d1_nezha
TARGET_PLATFORM=d1
TARGET_BOARD=d1-nezha
TARGET_PLAN=nezha
TARGET_BUILD_VARIANT=tina
TARGET_BUILD_TYPE=release
TARGET_KERNEL_VERSION=5.4
TARGET_UBOOT=u-boot-2018
TARGET_CHIP=sun20iw1p1
============================================
ubuntu:/opt/D1/tina_d1_open$ make package/test1/test2/test3/helloworld/compile
===This's tina environment.===
special target, skip mboot,marisc
Collecting package info: done
Collecting target info: done
make[1]: Entering directory '/opt/D1/tina_d1_open'
make[2]: Entering directory '/opt/D1/tina_d1_open/package/libs/toolchain'
if [ -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean ]; then rm -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean; fi; echo "libc" >> /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install
if [ -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean ]; then rm -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean; fi; echo "libgcc" >> /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install
if [ -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean ]; then rm -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean; fi; echo "libssp" >> /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install
if [ -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean ]; then rm -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean; fi; echo "libstdcpp" >> /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install
if [ -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean ]; then rm -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean; fi; echo "libpthread" >> /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install
if [ -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean ]; then rm -f /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install.clean; fi; echo "librt" >> /opt/D1/tina_d1_open/out/d1-nezha/staging_dir/target/pkginfo/toolchain.default.install
make[2]: Leaving directory '/opt/D1/tina_d1_open/package/libs/toolchain'
make[2]: Entering directory '/opt/D1/tina_d1_open/package/test1/test2/test3/helloworld'
make[2]: Leaving directory '/opt/D1/tina_d1_open/package/test1/test2/test3/helloworld'
make[1]: Leaving directory '/opt/D1/tina_d1_open'

#### make completed successfully (29 seconds) ####

ubuntu:/opt/D1/tina_d1_open$

为了证实，我再次操作了一遍。

ubuntu

tina is a e-linux based on openwrt 14.07

https://github.com/pd2-linux/tina

ubuntu

请问怎么查看tina的openwrt版本？

ubuntu

@bedrock
这次真破案了，把同一个 img 文件烧录到 spi flash，wifi连接正常，说明还是 /etc 目录无写入权限引起。

ubuntu

以下是SPI NAND FLASH版本启动后执行 mount目录的信息，由于加载overlayfs 文件系统，这样就可以写 /etc/ 目录了

root@TinaLinux:/# mount
/dev/root on /rom type squashfs (ro,noatime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=504012k,nr_inodes=126003,mode=755)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
/dev/by-name/UDISK on /overlay type ubifs (rw,relatime,assert=read-only,ubi=0,vol=8)
overlayfs:/overlay on / type overlay (rw,noatime,lowerdir=/,upperdir=/overlay/upper,workdir=/overlay/work)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600,ptmxmode=000)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)
none on /sys/kernel/config type configfs (rw,relatime)
adb on /dev/usb-ffs/adb type functionfs (rw,relatime)
root@TinaLinux:/#

root@TinaLinux:/# find / -name wpa_supplicant.conf
/etc/wifi/wpa_supplicant.conf
/overlay/upper/etc/wifi/wpa_supplicant.conf
/rom/etc/wifi/wpa_supplicant.conf

读写 /etc/wifi/wpa_supplicant.conf
文件时，如果发现 /overlay/upper/etc/wifi/wpa_supplicant.conf 存在，则不会访问 /rom/etc/wifi/wpa_supplicant.conf 文件。

ubuntu

如果是烧卡启动，系统是把 只读的squashfs挂到根文件系统 /

并没有可读写的 overlayfs ，所以出现了 /etc/ 目录不可写的问题

root@TinaLinux:/# df
Filesystem           1K-blocks      Used Available Use% Mounted on
/dev/root                17152     17152         0 100% /
devtmpfs                503924         0    503924   0% /dev
tmpfs                   508116        52    508064   0% /tmp
/dev/mmcblk0p1            8151       305      7846   4% /mnt/SDCARD
root@TinaLinux:/#
root@TinaLinux:/#
root@TinaLinux:/# mount
/dev/root on / type squashfs (ro,noatime)
devtmpfs on /dev type devtmpfs (rw,relatime,size=503924k,nr_inodes=125981,mode=755)
proc on /proc type proc (rw,nosuid,nodev,noexec,noatime)
sysfs on /sys type sysfs (rw,nosuid,nodev,noexec,noatime)
tmpfs on /tmp type tmpfs (rw,nosuid,nodev,noatime)
devpts on /dev/pts type devpts (rw,nosuid,noexec,relatime,mode=600,ptmxmode=000)
debugfs on /sys/kernel/debug type debugfs (rw,noatime)
none on /sys/kernel/config type configfs (rw,relatime)
adb on /dev/usb-ffs/adb type functionfs (rw,relatime)
/dev/mmcblk0p1 on /mnt/SDCARD type vfat (rw,relatime,fmask=0000,dmask=0000,allow_utime=0022,codepage=437,iocharset=iso8859-1,shortname=mixed,errors=remount-ro)
root@TinaLinux:/#

ubuntu

看了一下源码，还真是要写 /etc/ 目录下面的文件：

ubuntu:/opt/D1/tina_d1_open$ grep /etc -r  package/allwinner/wifimanager/ --include *.c
package/allwinner/wifimanager/demo/wifi_longtime_test.c:	wmg_printf(MSG_INFO,"DESCRIPTION:\n\tTest the stability of wifi module(see the test result in file:/etc/test_result).\n");
package/allwinner/wifimanager/demo/wifi_longtime_test.c: *see the test result in file:/etc/test_result
package/allwinner/wifimanager/demo/wifi_longtime_test.c:	wmg_debug_open_file("/etc/wifi_long_time_test.log");
package/allwinner/wifimanager/demo/wifi_longtime_test.c:    sprintf(prt_buf,"echo \"Test Times:%d, Success Times:%d(including get IP timeout times:%d), Failed Times:%d\" > /etc/test_results",i,success_times,timeout_times,fail_times);
package/allwinner/wifimanager/demo/wifi_longtime_test.c:    sprintf(prt_buf,"echo \"Connecting mean time: %llu.%-llu seconds\" >> /etc/test_results",(total_con_microsec/1000000)/i,(total_con_microsec/i)%1000000);
package/allwinner/wifimanager/demo/wifi_longtime_test.c:    wmg_printf(MSG_INFO,prt_buf,"echo \"Disconnecting mean time: %llu.%-llu seconds\" >> /etc/test_results",(total_disc_microsec/1000000)/i,(total_disc_microsec/i)%1000000);
package/allwinner/wifimanager/demo/wifi_longtime_test.c:        sprintf(prt_buf,"echo Congratulations! >> /etc/test_results");
package/allwinner/wifimanager/src/core/wifi_udhcpc.c:    system("/etc/wifi/udhcpc_wlan0 start >/dev/null");
package/allwinner/wifimanager/src/core/wifimanager.c:    system("/etc/wifi/udhcpc_wlan0 stop >/dev/null");
package/allwinner/wifimanager/src/core/wifi.c:static const char IFACE_DIR[]           = "/etc/wifi/sockets";
package/allwinner/wifimanager/src/core/wifi.c:static const char SUPP_CONFIG_TEMPLATE[]= "/etc/wifi/wpa_supplicant_src.conf";
package/allwinner/wifimanager/src/core/wifi.c:static const char SUPP_CONFIG_FILE[]    = "/etc/wifi/wpa_supplicant.conf";
package/allwinner/wifimanager/src/core/wifi.c:static const char CONTROL_IFACE_PATH[]  = "/etc/wifi/sockets";
package/allwinner/wifimanager/src/core/wifi.c:    strncpy(cmd, "/etc/wifi/wifi start", 511);
package/allwinner/wifimanager/src/core/wifi.c:	  system("/etc/wifi/wifi stop");
package/allwinner/wifimanager/src/daemon/wifid_cmd_handle.c:		system("/etc/init.d/wifi_daemon start");
package/allwinner/wifimanager/src/daemon/wifid_cmd_handle.c:	system("/etc/init.d/wifi_daemon stop");
ubuntu:/opt/D1/tina_d1_open$
ubuntu:/opt/D1/tina_d1_open$

ubuntu

@bedrock

大概知道原因了，把 img 烧到 TF卡启动，然后执行 wifi_connect_ap_test 是连不上的。

然后我手动建立 /etc/wpa_supplicant.conf 提示只读，创建文件失败，

然后我再建立 /tmp/wpa_supplicant.conf

ctrl_interface=/var/run/wpa_supplicant
ctrl_interface_group=0
ap_scan=1
network={
    ssid="ubuntu"
    scan_ssid=1
    key_mgmt=WPA-EAP WPA-PSK IEEE8021X NONE
    pairwise=TKIP CCMP
    group=CCMP TKIP WEP104 WEP40
    psk="13800138000"
    priority=5
}

root@TinaLinux:/# wpa_supplicant -B -d -i wlan0 -c /tmp/wpa_supplicant.conf
Successfully initialized wpa_supplicant
[  565.756909] ieee80211_do_open: vif_type=2, p2p=0, ch=3, addr=70:f4:4d:76:31:86
[  565.765681] [STA] !!!xradio_vif_setup: id=0, type=2, p2p=0, addr=70:f4:4d:76:31:86
[  565.779627] [AP_WRN] BSS_CHANGED_ASSOC but driver is unjoined.

root@TinaLinux:/# udhcpc -i wlan0
udhcpc: started, v1.27.2
udhcpc: sending discover
udhcpc: sending select for 192.168.151.222
udhcpc: lease of 192.168.151.222 obtained, lease time 3599
udhcpc: ifconfig wlan0 192.168.151.222 netmask 255.255.255.0 broadcast 192.168.151.255
udhcpc: setting default routers: 192.168.151.42
root@TinaLinux:/#
root@TinaLinux:/#
root@TinaLinux:/# ping www.163.com
PING www.163.com (36.158.202.26): 56 data bytes
64 bytes from 36.158.202.26: seq=0 ttl=53 time=54.414 ms
64 bytes from 36.158.202.26: seq=1 ttl=53 time=60.232 ms
64 bytes from 36.158.202.26: seq=2 ttl=53 time=58.636 ms

也就是说wifi本身没什么问题，估计是那些 wifi tools 需要可读写文件系统的原因，我再观察观察。

ubuntu

@bedrock
硬件没有问题，SPI FLASH 里面就是出厂固件，我还没重刷过。

我自己的固件在 TF卡，对比了一下LOG没啥问题：

/lib/firmware 里面固件都在的。

ubuntu

root@TinaLinux:/# wifi_connect_ap_test ssid_ubuntu 123456785
==================================
Connecting to the network(ssid_ubuntu)......
[   49.066175] [STA_WRN] Freq 2412 (wsm ch: 1) prev: 3.
[   49.072027] wlan0: authenticate with e4:26:8b:89:a9:f8 (try 1)
[   49.083424] [STA_WRN] [HT40][xradio_join_work][bss_ht_info]:
[   49.083424] [primary_chan  :0x00000001]
[   49.083424] [ht_param      :0x00000000]
[   49.083424] [operation_mode:0x00000017]
[   49.083424] [stbc_param    :0x00000000]
[   49.083424] [basic_set[0]  :0x00000000]
[   49.111324] [STA_WRN] [HT40][xradio_join_work][PhyModeCfg:0x0007]
[   49.111324] [ModemFlags    :0x00000007]
[   49.111324] [ChWidthCfg    :0x00000000]
[   49.111324] [PriChCfg      :0x00000000]
[   49.111324] [BandCfg       :0x00000000]
[   49.111324] [STBC_Enable   :0x00000000]
[   49.111324] [PreambleCfg   :0x00000000]
[   49.111324] [SGI_Enable    :0x00000000]
[   49.111324] GF_Enable      :0x00000000]
[   49.173244] wlan0: authenticated
[   49.177518] wlan0: associate with e4:26:8b:89:a9:f8 (try 1)
[   49.192728] wlan0: RX AssocResp from e4:26:8b:89:a9:f8 (capab=0x1431 status=0 aid=78)
[   49.202004] wlan0: associated
[   49.212504] [AP_WRN] [STA] ASSOC HTCAP 11N 58
[   49.217367] [AP_WRN] [HT40][xradio_bss_info_changed][ht_prot:0x0000000e][HtProtMode:0x0003][Green:0x0004]
[   49.217843] [AP_WRN] [HT40][xradio_bss_info_changed][PhyModeCfg:0x5007]
[   49.217843] [ModemFlags    :0x00000007]
[   49.217843] [ChWidthCfg    :0x00000000]
[   49.217843] [PriChCfg      :0x00000000]
[   49.217843] [BandCfg       :0x00000000]
[   49.217843] [STBC_Enable   :0x00000000]
[   49.217843] [PreambleCfg   :0x00000001]
[   49.217843] [SGI_Enable    :0x00000001]
[   49.217843] [GF_Enable     :0x00000000]
[   49.347203] [TXRX_WRN] [RX] IF=0, No key found.
[   49.652668] [TXRX_WRN] [RX] IF=0, No key found.
[   49.859090] [TXRX_WRN] [RX] IF=0, No key found.
[   51.700693] [TXRX_WRN] [RX] IF=0, No key found.
[   51.906338] [TXRX_WRN] [RX] IF=0, No key found.
[   53.646240] [TXRX_WRN] [RX] IF=0, No key found.
[   53.851963] [TXRX_WRN] [RX] IF=0, No key found.
[   55.694229] [TXRX_WRN] [RX] IF=0, No key found.
[   57.641342] [TXRX_WRN] [RX] IF=0, No key found.
[   59.288146] wlan0: deauthenticating from e4:26:8b:89:a9:f8 by local choice (reason=3)
[   59.297210] [WSM_WRN] Issue unjoin command(TX).
[   59.303604] [WSM_WRN] STA mode, send_deauth_to_self
[   59.309107] [TXRX_WRN] Issue unjoin command(TX) by self.

spi nand 自带的固件是这样的

ubuntu

@ubuntu

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