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Wifi AP access point broken in Linux tinkerboard 5.4.44-rockchip #20.05.2 SMP PREEMPT Wed Jun 3 10:43:15 CEST 2020 armv7l armv7l armv7l GNU/Linux [ 456.873025] ------------[ cut here ]------------ [ 456.878198] kernel BUG at mm/slub.c:3968! [ 456.882680] Internal error: Oops - BUG: 0 [#1] PREEMPT SMP ARM [ 456.889200] Modules linked in: xt_MASQUERADE xt_conntrack ipt_REJECT iptable_filter nf_nat_h323 nf_conntrack_h323 nf_nat_pptp nf_conntrack_pptp nf_nat_tftp nf_conntrack_tftp nf_nat_sip nf_conntrack_sip nf_nat_irc nf_conntrack_irc nf_nat_ftp nf_conntrack_ftp iptable_nat nf_nat nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 fuse zstd snd_soc_hdmi_codec zram snd_soc_simple_card snd_soc_simple_card_utils gpio_keys panfrost dw_hdmi_i2s_audio gpu_sched snd_usb_audio snd_soc_rockchip_i2s snd_soc_rockchip_pcm snd_hwdep snd_usbmidi_lib rockchip_rga snd_rawmidi snd_soc_core snd_seq_device snd_pcm_dmaengine videobuf2_dma_sg v4l2_mem2mem snd_pcm videobuf2_memops videobuf2_v4l2 snd_timer rk_crypto snd videobuf2_common soundcore syscon_reboot_mode dw_wdt reboot_mode rk3288_gpiomem r8723bs(C) rockchip_thermal cpufreq_dt sch_fq_codel ip_tables hid_logitech_hidpp hid_logitech_dj realtek [ 456.975109] CPU: 1 PID: 1564 Comm: RTW_CMD_THREAD Tainted: G C 5.4.44-rockchip #20.05.2 [ 456.985512] Hardware name: Rockchip (Device Tree) [ 456.990779] PC is at kfree+0x2dc/0x308 [ 456.994974] LR is at nl80211_send_station+0x954/0xfc4 [ 457.000621] pc : [<c02b81c0>] lr : [<c0e2a470>] psr: 400b0013 [ 457.007625] sp : e8edfd28 ip : e8edfd58 fp : e8edfd54 [ 457.013464] r10: c1606788 r9 : eccca0c0 r8 : e8edfec0 [ 457.019304] r7 : e8edfec0 r6 : c0e2a470 r5 : ef3bb75c r4 : 00000000 [ 457.026601] r3 : 00000100 r2 : 00000024 r1 : ea678d61 r0 : e8edfec0 [ 457.033901] Flags: nZcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment none [ 457.041878] Control: 10c5387d Table: 2965806a DAC: 00000051 [ 457.048303] Process RTW_CMD_THREAD (pid: 1564, stack limit = 0x081ec079) [ 457.055796] Stack: (0xe8edfd28 to 0xe8ee0000) [ 457.060669] fd20: ea678cdc c07996bc e8edfe00 e80a9480 00000011 00000000 [ 457.069818] fd40: e8edfec0 eccca0c0 e8edfdb4 e8edfd58 c0e2a470 c02b7ef0 00000005 00000013 [ 457.078967] fd60: c0276534 00000000 c1606788 eccca030 eccca0c0 eccca014 00000000 00000000 [ 457.088115] fd80: 0086c550 e9c85a1a 000101dc ec46d9e0 ec46d000 00000000 00000a20 ea678cca [ 457.097263] fda0: e8edfe00 e80a9480 e8edfdfc e8edfdb8 c0e2b18c c0e29b28 00000000 ec46d800 [ 457.106411] fdc0: ec46d000 ea678cca e8edfe00 00000001 e8edfdec c1606788 0000001c 00000000 [ 457.115560] fde0: 00000000 bf091050 e85b9d80 00009930 e8edfeec e8edfe00 bf086684 c0e2b108 [ 457.124708] fe00: 00000000 00000000 000fffff c02b72e4 c010d6a0 c1606788 e9c85a1a c02b73bc [ 457.133856] fe20: 0000000a 00000000 e8edfebc e8edfe38 c02b73bc c0151ec8 bf069230 bf068f24 [ 457.143004] fe40: e816fc00 c1606788 c010d6a0 00210d00 8015000a 00000001 00000001 e816fc00 [ 457.152153] fe60: ffffe000 600b0013 e8edfeac e8edfe78 ea678cdc 00000085 e8edfec4 8015000a [ 457.161301] fe80: c02b5990 c0277ffc e8edfef0 e9c85a1a 000000a1 ee401c00 ef39d39c bf03df0c [ 457.170450] fea0: e816fc00 c012bf24 ffffe000 000000a1 e8edfed4 e8edfec0 c012bf24 c0151ec8 [ 457.179598] fec0: bf03df20 f1225f84 e8edfeec e9c85a1a f086b000 f1225f84 000000a1 ea678cc0 [ 457.188746] fee0: e8edff0c e8edfef0 bf03df38 bf086610 f086c000 00000000 f086c4b8 c1604900 [ 457.197894] ff00: e8edff24 e8edff10 bf048e4c bf03dd7c f086c000 f086e000 e8edff74 e8edff28 [ 457.207042] ff20: bf03693c bf048dcc e8edff4c e8edff38 f086c49c f086b000 bf099000 ec46f200 [ 457.216190] ff40: e8ede000 f086c480 c014902c e8369900 e9975200 00000000 e8ede000 f086b000 [ 457.225339] ff60: bf0367a4 ed7a57e8 e8edffac e8edff78 c014a214 bf0367b0 e8369928 e8369928 [ 457.234486] ff80: 00000000 e9975200 c014a0a4 00000000 00000000 00000000 00000000 00000000 [ 457.243626] ffa0: 00000000 e8edffb0 c01010e8 c014a0b0 00000000 00000000 00000000 00000000 [ 457.252752] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 457.261879] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 00000000 00000000 [ 457.271004] Backtrace: [ 457.273733] [<c02b7ee4>] (kfree) from [<c0e2a470>] (nl80211_send_station+0x954/0xfc4) [ 457.282481] r9:eccca0c0 r8:e8edfec0 r7:00000000 r6:00000011 r5:e80a9480 r4:e8edfe00 [ 457.291132] [<c0e29b1c>] (nl80211_send_station) from [<c0e2b18c>] (cfg80211_new_sta+0x90/0x1cc) [ 457.300850] r10:e80a9480 r9:e8edfe00 r8:ea678cca r7:00000a20 r6:00000000 r5:ec46d000 [ 457.309586] r4:ec46d9e0 [ 457.312433] [<c0e2b0fc>] (cfg80211_new_sta) from [<bf086684>] (rtw_cfg80211_indicate_sta_assoc+0x80/0x9c [r8723bs]) [ 457.324095] r10:00009930 r9:e85b9d80 r8:bf091050 r7:00000000 r6:00000000 r5:0000001c [ 457.332831] r4:c1606788 [ 457.335692] [<bf086604>] (rtw_cfg80211_indicate_sta_assoc [r8723bs]) from [<bf03df38>] (rtw_stassoc_event_callback+0x1c8/0x1d4 [r8723bs]) [ 457.349489] r7:ea678cc0 r6:000000a1 r5:f1225f84 r4:f086b000 [ 457.355845] [<bf03dd70>] (rtw_stassoc_event_callback [r8723bs]) from [<bf048e4c>] (mlme_evt_hdl+0x8c/0xb4 [r8723bs]) [ 457.367601] r7:c1604900 r6:f086c4b8 r5:00000000 r4:f086c000 [ 457.373959] [<bf048dc0>] (mlme_evt_hdl [r8723bs]) from [<bf03693c>] (rtw_cmd_thread+0x198/0x3d8 [r8723bs]) [ 457.384744] r5:f086e000 r4:f086c000 [ 457.388754] [<bf0367a4>] (rtw_cmd_thread [r8723bs]) from [<c014a214>] (kthread+0x170/0x174) [ 457.398083] r10:ed7a57e8 r9:bf0367a4 r8:f086b000 r7:e8ede000 r6:00000000 r5:e9975200 [ 457.406828] r4:e8369900 [ 457.409653] [<c014a0a4>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c) [ 457.417718] Exception stack(0xe8edffb0 to 0xe8edfff8) [ 457.423356] ffa0: 00000000 00000000 00000000 00000000 [ 457.432492] ffc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 457.441618] ffe0: 00000000 00000000 00000000 00000000 00000013 00000000 [ 457.449006] r10:00000000 r9:00000000 r8:00000000 r7:00000000 r6:00000000 r5:c014a0a4 [ 457.457750] r4:e9975200 [ 457.460574] Code: 1a000003 e5953004 e3130001 1a000000 (e7f001f2) [ 457.467381] ---[ end trace 4acbc8c15e9e6aa7 ]---

Hi all, I'd just like to share a problem I experienced and what solved after a bit of Googling. Basically, I have Nextcloud installed on my Nanopi M4 (v1) with Armbian: $ uname -a Linux nanopim4 4.4.192-rk3399 When I sync files from my Android phone via local wifi, often the transfers were just failed. Not always but usually, it's when a directory contains lot of large files. After a bit of Googling and came across this: https://unix.stackexchange.com/questions/494290/nanopi-m4-rk3399-apache2-ssl-large-download-hangs/495378#495378 It works. The problem's solved after: ethtool -K eth0 rx off tx off and put the command in /etc/network/if-up.d/ethtool Just wondering if anyone knows the root cause and have better solution than disabling things. Thanks,

Hi, I updated my cubietruck jessie to 5.23. update successful but no boot on kernel . I boot on sd card and mount nand . no uImage but an zImage. I use mkimage in order to generate uImage and it work. kernel packaging must be corrected.

I downloaded image for Orange Pi PC plus - Jessie desktop today and run upgrade ... It is not critical error but I report it. Setting up dmsetup (2:1.02.90-2.2+deb8u1) ... update-initramfs: deferring update (trigger activated) Processing triggers for initramfs-tools (0.120+deb8u1) ... /boot/initrd.img-3.4.112-sun8i does not exist. Cannot update. .. .. Processing triggers for initramfs-tools (0.120+deb8u2) ... /boot/initrd.img-3.4.112-sun8i does not exist. Cannot update.