Slxer

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  1. I powering it from USB2.0 port which should be able to provide 500mA. The device takes the most power when it's booting around 0.6A and after that lot less. Any way then to reduce the power consumption by disabling part of the circuit from software like the wifi?
  2. [13677.938894] Unable to handle kernel paging request at virtual address fff00010 [13678.025402] pgd = 4cb4f804 [13678.057789] [fff00010] *pgd=4fffd861, *pte=00000000, *ppte=00000000 [13678.132839] Internal error: Oops: 37 [#1] SMP THUMB2 [13678.192234] Modules linked in: tun nft_chain_nat_ipv4 ipt_MASQUERADE nf_nat_ipv4 nf_nat xt_multiport xt_state nft_limit xt_limit xt_tcpudp xt_conntrack ip_tables nft_compat x_tables nf_conntrack_ftp nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 nft_counter nf_tables nfnetlink usb_f_acm u_serial g_serial libcomposite 8189es sun8i_codec_analog cfg80211 sun4i_i2s snd_soc_simple_card sun8i_adda_pr_regmap snd_soc_simple_card_utils cdc_ether lima snd_soc_core usbnet snd_pcm_dmaengine r8152 gpu_sched snd_pcm sun4i_gpadc_iio ttm snd_timer snd industrialio soundcore sun8i_ths cpufreq_dt thermal_sys uio_pdrv_genirq uio pwrseq_simple [13678.849823] CPU: 1 PID: 2156 Comm: htop Not tainted 4.19.62-sunxi #5.92 [13678.928975] Hardware name: Allwinner sun8i Family [13678.985258] PC is at path_init+0xe/0x1fc [13679.032172] LR is at path_openat+0x65/0xe0c [13679.082201] pc : [<c024666a>] lr : [<c0249659>] psr: 00030033 [13679.157191] sp : ce8d7e28 ip : cd5f0770 fp : c0e04d48 [13679.219701] r10: cd5f06c0 r9 : ffffe000 r8 : fffff000 [13679.282213] r7 : ce8d7f70 r6 : 09200000 r5 : c0bb033c r4 : ce8d7ec0 [13679.360324] r3 : fff00010 r2 : 04900000 r1 : 00000043 r0 : ce8d7ec0 [13679.438435] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment none [13679.525911] Control: 50c5387d Table: 4f2b406a DAC: 00000051 [13679.594664] Process htop (pid: 2156, stack limit = 0x7dd56812) [13679.664458] Stack: (0xce8d7e28 to 0xce8d8000) [13679.716572] 7e20: ce8d7ec0 c0bb033c 09200000 ce8d7f70 fffff000 c0249659 [13679.814450] 7e40: 00000000 00000000 00000000 00000000 cf9802c0 00000000 00000000 00000043 [13679.912333] 7e60: ffffe000 00000000 00000000 00000000 00000000 00000000 ffffffff ffffffff [13680.010217] 7e80: c012e8fb 00000000 00000000 00000000 00000003 308cbb93 00006278 c0e04d48 [13680.108100] 7ea0: 00000000 ce8d7f70 00000003 fffff000 ce8d6000 00000142 016004c8 c024b123 [13680.205984] 7ec0: cfa64710 00000001 c0296ced cd6a2370 cf9802c0 c0512f89 cd6a2388 c0512f77 [13680.303868] 7ee0: ce8d7f78 c0296cff 00000001 c023c0fd 00000000 c0e04d48 00000000 ce8d7f00 [13680.401751] 7f00: 00000000 c023fc29 00000000 c0255f83 c025a75b c022bfc1 cd6a23a0 c0e04d48 [13680.499635] 7f20: 00472b7e 308cbb93 00000004 00000100 fff00010 00000000 00000000 00000400 [13680.597519] 7f40: ffffff9c c0255f83 000a4800 308cbb93 ffffff9c 00000004 c0e04d48 ffffff9c [13680.695401] 7f60: fff00010 c023ccf3 ce8d6000 00000000 00024800 308c0000 00000004 00000100 [13680.793286] 7f80: 00000003 308cbb93 b6f6e968 00404000 01564a88 00000142 c0101224 ce8d6000 [13680.891169] 7fa0: 00000142 c0101001 b6f6e968 00404000 ffffff9c beccff48 000a4800 00000000 [13680.989053] 7fc0: b6f6e968 00404000 01564a88 00000142 00000000 beccffcc 015f2f53 016004c8 [13681.086936] 7fe0: 00000142 beccf270 b6df3207 b6d76746 00030030 ffffff9c 00000000 00000000 [13681.184827] [<c024666a>] (path_init) from [<c0249659>] (path_openat+0x65/0xe0c) [13681.272314] [<c0249659>] (path_openat) from [<c024b123>] (do_filp_open+0x4f/0x94) [13681.361877] [<c024b123>] (do_filp_open) from [<c023ccf3>] (do_sys_open+0x13f/0x1a8) [13681.453522] [<c023ccf3>] (do_sys_open) from [<c0101001>] (ret_fast_syscall+0x1/0x62) [13681.546195] Exception stack(0xce8d7fa8 to 0xce8d7ff0) [13681.606629] 7fa0: b6f6e968 00404000 ffffff9c beccff48 000a4800 00000000 [13681.704507] 7fc0: b6f6e968 00404000 01564a88 00000142 00000000 beccffcc 015f2f53 016004c8 [13681.802388] 7fe0: 00000142 beccf270 b6df3207 b6d76746 [13681.862823] Code: f85d eb04 6f03 4604 (681d) 782e [13681.920196] ---[ end trace 37fedba6a1c14f6f ]--- Hello, With the given board, latest armbian: No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 10 (buster) Release: 10 Codename: buster Latest kernel: Linux linux 4.19.62-sunxi #5.92 SMP Wed Jul 31 22:07:23 CEST 2019 armv7l GNU/Linux The board just segfaults and dies, it doesnt run anything complex, a small nameserver, firewall thats all. Any ideas?