opi2 wifi ap
root@orangepi2:/home/zhangbin/opiwiki# ss -lp "sport = :domain"
Netid State Recv-Q Send-Q Local Address:Port Peer Address:Port
udp UNCONN 0 0 127.0.0.53%lo:domain 0.0.0.0:* users:(("systemd-resolve",pid=2240,fd=12))
tcp LISTEN 0 128 127.0.0.53%lo:domain 0.0.0.0:* users:(("systemd-resolve",pid=2240,fd=13))
root@orangepi2:/home/zhangbin/opiwiki# sudo hostapd /etc/hostapd.conf
Configuration file: /etc/hostapd.conf
Using interface wlan0 with hwaddr 00:e0:4c:f0:19:af and ssid "ARMBIAN"
wlan0: interface state UNINITIALIZED->ENABLED
wlan0: AP-ENABLED
[ 730.713709] Unable to handle kernel NULL pointer dereference at virtual address 00000064
[ 730.721824] pgd = 249761b8
[ 730.724568] [00000064] *pgd=00000000
[ 730.728167] Internal error: Oops: 5 [#1] SMP THUMB2
[ 730.733041] Modules linked in: aufs overlay snd_soc_hdmi_codec evdev zstd 8189es sun8i_codec_analog sun8i_adda_pr_regmap snd_soc_simple_card snd_soc_simple_card_utils sun4i_codec sun4i_i2s snd_soc_core snd_pcm_dmaengine snd_pcm lima cfg80211 snd_timer snd soundcore sunxi_cir gpu_sched ttm dw_hdmi_i2s_audio dw_hdmi_cec sun4i_gpadc_iio industrialio sun8i_ths cpufreq_dt thermal_sys gpio_keys uio_pdrv_genirq uio zram tcp_bbr sch_fq ip_tables x_tables pwrseq_simple sy8106a_regulator
[ 730.775395] CPU: 0 PID: 532 Comm: RTW_CMD_THREAD Not tainted 4.19.62-sunxi #5.92
[ 730.782781] Hardware name: Allwinner sun8i Family
[ 730.787801] PC is at rtw_surveydone_event_callback+0x239/0x284 [8189es]
[ 730.794523] LR is at rtw_find_same_network+0x32/0x36 [8189es]
[ 730.800264] pc : [<bfba72f0>] lr : [<bfba5d65>] psr: 000c0033
[ 730.806524] sp : eda1df28 ip : 00000000 fp : f19f3528
[ 730.811743] r10: 0001a436 r9 : eda1c000 r8 : f19f3538
[ 730.816963] r7 : f19f3518 r6 : 00000000 r5 : f19f2018 r4 : f19f2000
[ 730.823484] r3 : f19f2cf2 r2 : 00000005 r1 : 00000201 r0 : 00000000
[ 730.830006] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment none
[ 730.837324] Control: 50c5387d Table: 6bd6406a DAC: 00000051
[ 730.843086] Process RTW_CMD_THREAD (pid: 532, stack limit = 0x11b6e2c4)
[ 730.849714] Stack: (0xeda1df28 to 0xeda1e000)
[ 730.854100] df20: ecb73d80 f19f2000 f19f3518 f19f2000 ef36e200 bfc1d040
[ 730.862310] df40: f19f3518 bfbb1891 ecb73a40 f19f2000 f19f3518 bfb9a685 ef36e200 f19f3564
[ 730.870520] df60: eda1df78 ed50c280 ecfd8700 00000000 eda1c000 f19f2000 bfb9a57f ecfb3cc4
[ 730.878728] df80: ed50c29c c0132ae9 0000000b ecfd8700 c01329ed 00000000 00000000 00000000
[ 730.886936] dfa0: 00000000 00000000 00000000 c01010f9 00000000 00000000 00000000 00000000
[ 730.895145] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 730.903353] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000
[ 730.912228] [<bfba72f0>] (rtw_surveydone_event_callback [8189es]) from [<bfbb1891>] (mlme_evt_hdl+0x56/0x64 [8189es])
[ 730.923405] [<bfbb1891>] (mlme_evt_hdl [8189es]) from [<bfb9a685>] (rtw_cmd_thread+0x106/0x222 [8189es])
[ 730.933187] [<bfb9a685>] (rtw_cmd_thread [8189es]) from [<c0132ae9>] (kthread+0xfd/0x104)
[ 730.941408] [<c0132ae9>] (kthread) from [<c01010f9>] (ret_from_fork+0x11/0x38)
[ 730.948652] Exception stack(0xeda1dfb0 to 0xeda1dff8)
[ 730.953724] dfa0: 00000000 00000000 00000000 00000000
[ 730.961931] dfc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 730.970136] dfe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 730.976779] Code: f43f af39 f8d4 2d3a (6e43) 429a
[ 730.981734] ---[ end trace a0007a1f9ea54ed5 ]---
[ 730.986482] Kernel panic - not syncing: Fatal exception in interrupt
[ 730.992879] CPU3: stopping
[ 730.995627] CPU: 3 PID: 0 Comm: swapper/3 Tainted: G D 4.19.62-sunxi #5.92
[ 731.003826] Hardware name: Allwinner sun8i Family
[ 731.008579] [<c010d74d>] (unwind_backtrace) from [<c010a2f1>] (show_stack+0x11/0x14)
[ 731.016362] [<c010a2f1>] (show_stack) from [<c08fc121>] (dump_stack+0x69/0x78)
[ 731.023622] [<c08fc121>] (dump_stack) from [<c010c7fb>] (handle_IPI+0x2a7/0x2c0)
[ 731.031059] [<c010c7fb>] (handle_IPI) from [<c05c9c7f>] (gic_handle_irq+0x67/0x68)
[ 731.038666] [<c05c9c7f>] (gic_handle_irq) from [<c0101a65>] (__irq_svc+0x65/0x94)
[ 731.046172] Exception stack(0xef155f60 to 0xef155fa8)
[ 731.051243] 5f60: 00000000 00142b9c ef6d5438 c0116441 ffffe000 c0e04d70 c0e04db8 00000008
[ 731.059452] 5f80: 00000000 c0e04d48 c0dba870 00000000 0002ddf6 ef155fb0 c01078f3 c01078f4
[ 731.067651] 5fa0: 400f0033 ffffffff
[ 731.071172] [<c0101a65>] (__irq_svc) from [<c01078f4>] (arch_cpu_idle+0x28/0x2c)
[ 731.078606] [<c01078f4>] (arch_cpu_idle) from [<c013e96b>] (do_idle+0x14b/0x1d8)
[ 731.086036] [<c013e96b>] (do_idle) from [<c013ebed>] (cpu_startup_entry+0x19/0x1c)
[ 731.093639] [<c013ebed>] (cpu_startup_entry) from [<401024b1>] (0x401024b1)
[ 731.100620] CPU2: stopping
[ 731.103358] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G D 4.19.62-sunxi #5.92
[ 731.111555] Hardware name: Allwinner sun8i Family
[ 731.116292] [<c010d74d>] (unwind_backtrace) from [<c010a2f1>] (show_stack+0x11/0x14)
[ 731.124071] [<c010a2f1>] (show_stack) from [<c08fc121>] (dump_stack+0x69/0x78)
[ 731.131329] [<c08fc121>] (dump_stack) from [<c010c7fb>] (handle_IPI+0x2a7/0x2c0)
[ 731.138762] [<c010c7fb>] (handle_IPI) from [<c05c9c7f>] (gic_handle_irq+0x67/0x68)
[ 731.146366] [<c05c9c7f>] (gic_handle_irq) from [<c0101a65>] (__irq_svc+0x65/0x94)
[ 731.153871] Exception stack(0xef153f60 to 0xef153fa8)
[ 731.158950] 3f60: 00000000 000ea86c ef6c3438 c0116441 ffffe000 c0e04d70 c0e04db8 00000004
[ 731.167158] 3f80: 00000000 c0e04d48 c0dba870 00000000 c0e03d00 ef153fb0 c01078f3 c01078f4
[ 731.175358] 3fa0: 40070033 ffffffff
[ 731.178876] [<c0101a65>] (__irq_svc) from [<c01078f4>] (arch_cpu_idle+0x28/0x2c)
[ 731.186308] [<c01078f4>] (arch_cpu_idle) from [<c013e96b>] (do_idle+0x14b/0x1d8)
[ 731.193736] [<c013e96b>] (do_idle) from [<c013ebed>] (cpu_startup_entry+0x19/0x1c)
[ 731.201337] [<c013ebed>] (cpu_startup_entry) from [<401024b1>] (0x401024b1)
[ 731.208316] CPU1: stopping
[ 731.211056] CPU: 1 PID: 0 Comm: swapper/1 Tainted: G D 4.19.62-sunxi #5.92
[ 731.219254] Hardware name: Allwinner sun8i Family
[ 731.223990] [<c010d74d>] (unwind_backtrace) from [<c010a2f1>] (show_stack+0x11/0x14)
[ 731.231768] [<c010a2f1>] (show_stack) from [<c08fc121>] (dump_stack+0x69/0x78)
[ 731.239026] [<c08fc121>] (dump_stack) from [<c010c7fb>] (handle_IPI+0x2a7/0x2c0)
[ 731.246458] [<c010c7fb>] (handle_IPI) from [<c05c9c7f>] (gic_handle_irq+0x67/0x68)
[ 731.254063] [<c05c9c7f>] (gic_handle_irq) from [<c0101a65>] (__irq_svc+0x65/0x94)
[ 731.261568] Exception stack(0xef151f60 to 0xef151fa8)
[ 731.266647] 1f60: 00000000 0012c3e0 ef6b1438 c0116441 ffffe000 c0e04d70 c0e04db8 00000002
[ 731.274856] 1f80: 00000000 c0e04d48 c0dba870 00000000 00000000 ef151fb0 c01078f3 c01078f4
[ 731.283055] 1fa0: 40010033 ffffffff
[ 731.286573] [<c0101a65>] (__irq_svc) from [<c01078f4>] (arch_cpu_idle+0x28/0x2c)
[ 731.294004] [<c01078f4>] (arch_cpu_idle) from [<c013e96b>] (do_idle+0x14b/0x1d8)
[ 731.301433] [<c013e96b>] (do_idle) from [<c013ebed>] (cpu_startup_entry+0x19/0x1c)
[ 731.309034] [<c013ebed>] (cpu_startup_entry) from [<401024b1>] (0x401024b1)
[ 731.316026] Rebooting in 10 seconds..
U-Boot SPL 2018.05-armbian (Oct 27 2018 - 00:28:56 +0200)
DRAM: 1024 MiB
Trying to boot from MMC1
