NFS挂载失败，Permission denied，网络可以互ping通，Host防火墙关了！请大神看下，谢谢！

root@TinaLinux:/#
root@TinaLinux:/#
root@TinaLinux:/# mount -t nfs -o nolock,rsize=1024,wsize=1024 192.168.0.162:/ho
me/bill/Public/nfs /mnt/app/
mount: mounting 192.168.0.162:/home/bill/Public/nfs on /mnt/app/ failed: Permission denied
root@TinaLinux:/# [ 1817.971122] [AP_WRN] [STA] ASSOC HTCAP 11N 58
[ 1817.976528] [AP_WRN] [HT40][xradio_bss_info_changed][ht_prot:0x00000002][HtProtMode:0x0000][Green:0x0004]
[ 1817.977294] [AP_WRN] [HT40][xradio_bss_info_changed][PhyModeCfg:0x4007]
[ 1817.977294] [ModemFlags :0x00000007]
[ 1817.977294] [ChWidthCfg :0x00000000]
[ 1817.977294] [PriChCfg :0x00000000]
[ 1817.977294] [BandCfg :0x00000000]
[ 1817.977294] [STBC_Enable :0x00000000]
[ 1817.977294] [PreambleCfg :0x00000000]
[ 1817.977294] [SGI_Enable :0x00000001]
[ 1817.977294] [GF_Enable :0x00000000]
ping 192.168.0.162
PING 192.168.0.162 (192.168.0.162): 56 data bytes
64 bytes from 192.168.0.162: seq=0 ttl=64 time=15.064 ms
64 bytes from 192.168.0.162: seq=1 ttl=64 time=96.225 ms
64 bytes from 192.168.0.162: seq=2 ttl=64 time=242.939 ms
64 bytes from 192.168.0.162: seq=3 ttl=64 time=249.361 ms
^Z[1]+ Stopped ping 192.168.0.162

@kirin 确实是驱动没有安装，已解决！谢谢！

@kirin 板子是1G的，搞成全面擦除OK了！

下载失败，从官网下载HDMI测试固件下载失败，我自己从官方SDK编出来的uart0固件也下载失败。
PhoenixSuit提示“烧写固件失败！请确保固件文件有效并且只能设备可以正常工作！”

[34.857]Volume attaching information dump:
[34.861] vol_id 1
[34.863] highest_lnum 5
[34.866] leb_count 3
[34.868] compat 0
[34.870] vol_type 3
[34.873] used_ebs 0
[34.875] last_data_size 0
[34.877] data_pad 0
Volume information dump:
vol_id 1
reserved_pebs 1
alignment 1
data_pad 0
vol_type 3
name_len 13
usable_leb_size 258048
used_ebs 1
used_bytes 258048
last_eb_bytes 258048
corrupted 0
upd_marker 0
name boot-resource
[34.909]ubi0 error: ubi_attach_mtd_dev: failed to attach mtd4, error -22
[34.915]UBI error: cannot attach mtd4
[34.919]UBI error: cannot initialize UBI, error -22
UBI init error 22
Please check, if the correct MTD partition is used (size big enough?)
[34.931]ubi part sys err !
[34.933]initialize sunxi spinand ubi failed
download_standard_gpt:write mbr sectors fail ret = 0

拿板第一天，搭好了环境，编完固件想刷进去试试，在开机状态下能够正常识别USB，然后按文档描述 reboot efex，设备重启，phoenixSuit界面显示未检测到设备接入电脑，按住FEL上电，效果一样。老板们帮忙看看。

图片传不动，只能搞一小段log

[02.160]bmp_name=bootlogo.bmp size 38454
38454 bytes read in 4 ms (9.2 MiB/s)
[02.376]Loading Environment from SUNXI_FLASH... OK
[02.410]Item0 (Map) magic is bad
[02.413]usb burn from boot
delay time 0
weak:otg_phy_config
[02.424]usb prepare ok
[02.630]usb sof ok
[02.632]usb probe ok
[02.634]usb setup ok
set address 0x2c
set address 0x2c ok
[05.639]do_burn_from_boot usb : have no handshake
]HELLO! BOOT0 is starting!
[48]BOOT0 commit : 2337244-dirty