# Random Wifi shut off on ConnectCore6 **URL:** \ **Category:** Linux\ **Tags:** wifi, connectcore, imx6\ **Created:** [January 6, 2020, 7:54am UTC](https://forums.digi.com/t/random-wifi-shut-off-on-connectcore6/21014 "2020-01-06T07:54:26Z")\ **Posts on this page:** 2\ **Page:** 1
**Author:** ![retailleau.c](https://avatars.discourse-cdn.com/v4/letter/r/dbc845/32.png) [@retailleau.c](https://forums.digi.com/u/retailleau.c)\ **Post date:** [January 6, 2020, 7:54am UTC](https://forums.digi.com/t/random-wifi-shut-off-on-connectcore6/21014/1 "2020-01-06T07:54:26Z")
Hello, We integrated a ConnectCore6 in our product. And from time to times the Wifi would not start, and I couldn’t find any way to get it to start properly without restarting the whole product. We have a linux 4.16, and below is an extract of the kernel log when the problem occurs. Any thoughts ? Best regards, # dmesg [0.000000] Booting Linux on physical CPU 0x0 [0.000000] Linux version 4.16.13 (cr@espc0005-linux) (gcc version 6.4.0 (Buildroot 2018.05)) #1 SMP Thu May 23 15:10:07 CEST 2019 [0.000000] CPU: ARMv7 Processor [412fc09a] revision 10 (ARMv7), cr=10c5387d … [2.204306] imx-media: subdev ipu2\_csi1 bound [2.224066] NET: Registered protocol family 10 [2.231937] Segment Routing with IPv6 [2.235825] sit: IPv6, IPv4 and MPLS over IPv4 tunneling driver [2.243519] NET: Registered protocol family 17 [2.248062] can: controller area network core (rev 20170425 abi 9) [2.254439] NET: Registered protocol family 29 [2.258993] can: raw protocol (rev 20170425) [2.263364] can: broadcast manager protocol (rev 20170425 t) [2.269112] can: netlink gateway (rev 20170425) max\_hops=1 [2.275137] Bluetooth: RFCOMM TTY layer initialized [2.280113] Bluetooth: RFCOMM socket layer initialized [2.285316] Bluetooth: RFCOMM ver 1.11 [2.289155] Bluetooth: BNEP (Ethernet Emulation) ver 1.3 [2.294488] Bluetooth: BNEP filters: protocol multicast [2.299786] Bluetooth: BNEP socket layer initialized [2.304773] Bluetooth: HIDP (Human Interface Emulation) ver 1.2 [2.310771] Bluetooth: HIDP socket layer initialized [2.316019] Key type dns\_resolver registered [2.321969] vddarm: supplied by BUCK CORE1 [2.328632] vddpu: supplied by BUCK CORE2 [2.334755] vddsoc: supplied by BUCK CORE2 [2.343792] Registering SWP/SWPB emulation handler [2.351760] Loading compiled-in X.509 certificates [2.401965] imx-pgc-pd imx-pgc-power-domain.1: Linked as a consumer to 20dc000.gpc [2.412514] etnaviv gpu-subsystem: bound 134000.gpu (ops gpu\_ops) [2.418937] etnaviv gpu-subsystem: bound 130000.gpu (ops gpu\_ops) [2.425234] etnaviv gpu-subsystem: bound 2204000.gpu (ops gpu\_ops) [2.431473] etnaviv-gpu 134000.gpu: model: GC320, revision: 5007 [2.452062] etnaviv-gpu 130000.gpu: model: GC2000, revision: 5108 [2.471598] etnaviv-gpu 2204000.gpu: model: GC355, revision: 1215 [2.477757] etnaviv-gpu 2204000.gpu: Ignoring GPU with VG and FE2.0 [2.485086] [drm] Initialized etnaviv 1.2.0 20151214 for gpu-subsystem on minor 1 [2.493379] imx-media: subdev ipu1\_csi0\_mux bound [2.498598] imx-media: subdev ipu2\_csi1\_mux bound [2.503476] imx-media: ipu2\_csi1:1 -\> ipu2\_ic\_prp:0 [2.508415] imx-media: ipu2\_csi1:1 -\> ipu2\_vdic:0 [2.513151] imx-media: ipu2\_csi1\_mux:2 -\> ipu2\_csi1:0 [2.518257] imx-media: ipu2\_csi0:1 -\> ipu2\_ic\_prp:0 [2.523158] imx-media: ipu2\_csi0:1 -\> ipu2\_vdic:0 [2.527932] imx-media: ipu1\_csi1:1 -\> ipu1\_ic\_prp:0 [2.532827] imx-media: ipu1\_csi1:1 -\> ipu1\_vdic:0 [2.537601] imx-media: ipu1\_csi0:1 -\> ipu1\_ic\_prp:0 [2.542496] imx-media: ipu1\_csi0:1 -\> ipu1\_vdic:0 [2.547260] imx-media: ipu1\_csi0\_mux:2 -\> ipu1\_csi0:0 [2.552333] imx-media: ipu2\_ic\_prp:1 -\> ipu2\_ic\_prpenc:0 [2.557694] imx-media: ipu2\_ic\_prp:2 -\> ipu2\_ic\_prpvf:0 [2.562938] imx-media: ipu1\_ic\_prp:1 -\> ipu1\_ic\_prpenc:0 [2.568298] imx-media: ipu1\_ic\_prp:2 -\> ipu1\_ic\_prpvf:0 [2.573541] imx-media: ipu2\_vdic:2 -\> ipu2\_ic\_prp:0 [2.578464] imx-media: ipu1\_vdic:2 -\> ipu1\_ic\_prp:0 [2.589248] imx\_thermal tempmon: Extended Commercial CPU temperature grade - max:105C critical:100C passive:95C [2.603571] da9063-rtc da9063-rtc: setting system clock to 2019-09-09 09:21:01 UTC (1568020861) [2.612573] cfg80211: Loading compiled-in X.509 certificates for regulatory database [2.623701] cfg80211: Loaded X.509 cert ‘sforshee: 00b28ddf47aef9cea7’ [2.631337] platform regulatory.0: Direct firmware load for regulatory.db failed with error -2 [2.640067] cfg80211: failed to load regulatory.db [2.641852] ALSA device list: [2.647929] No soundcards found. [2.671762] EXT4-fs (mmcblk1p1): mounted filesystem with ordered data mode. Opts: (null) [2.680641] VFS: Mounted root (ext4 filesystem) on device 179:1. [2.688145] devtmpfs: mounted [2.694175] Freeing unused kernel memory: 1024K [2.798198] EXT4-fs (mmcblk1p1): re-mounted. Opts: data=ordered [2.838657] EXT4-fs (mmcblk1p3): mounted filesystem with ordered data mode. Opts: (null) [3.108787] udevd[174]: starting version 3.2.5 [3.131712] random: udevd: uninitialized urandom read (16 bytes read) [3.141200] random: udevd: uninitialized urandom read (16 bytes read) [3.148148] random: udevd: uninitialized urandom read (16 bytes read) [3.216099] udevd[175]: starting eudev-3.2.5 [4.256172] eca\_generic: loading out-of-tree module taints kernel. [4.275552] eca\_copro: no symbol version for eca\_class [4.319562] coda 2040000.vpu: Direct firmware load for vpu\_fw\_imx6q.bin failed with error -2 [4.336937] eca-copro spi0.0: Registre IT: 0 [4.351761] coda 2040000.vpu: Using fallback firmware vpu/vpu\_fw\_imx6q.bin [4.367046] coda 2040000.vpu: Firmware code revision: 570363 [4.372799] coda 2040000.vpu: Initialized CODA960. [4.377813] coda 2040000.vpu: Firmware version: 3.1.1 [4.390508] coda 2040000.vpu: codec registered as /dev/video[8-9] [4.555329] ath6kl: Using board file: ath6k/AR6003/hw2.1.1/bdata.0x0.bin [4.564330] eca-copro spi0.0: ok [4.567853] eca-copro spi0.0: All registered! [4.629425] ath6kl: temporary war to avoid sdio crc error [5.347553] ath6kl: ar6003 hw 2.1.1 sdio fw 3.4.0.236.TABLET\_DONGLE api 4 [5.354435] ath6kl: firmware supports: sched-scan,sta-p2pdev-duplex,inactivity-timeout,rsn-cap-override,sscan-match-list,rssi-scan-thold,custom-mac-addr,tx-err-notify,sched-scan-v2,regdomain-v2,large-connect-ie [6.401178] EXT4-fs (mmcblk1p1): resizing filesystem from 262144 to 1048576 blocks [6.690016] EXT4-fs (mmcblk1p1): resized filesystem to 1048576 [7.021738] urandom\_read: 2 callbacks suppressed [7.021754] random: dd: uninitialized urandom read (512 bytes read) [7.154634] random: crng init done [7.741216] Micrel KSZ9031 Gigabit PHY 2188000.ethernet-1:03: attached PHY driver [Micrel KSZ9031 Gigabit PHY] (mii\_bus:phy\_addr=2188000.ethernet-1:03, irq=POLL) [7.760257] IPv6: ADDRCONF(NETDEV\_UP): eth0: link is not ready [7.872027] IPv6: ADDRCONF(NETDEV\_UP): wlan0: link is not ready [8.419615] IPv6: ADDRCONF(NETDEV\_CHANGE): wlan0: link becomes ready [2370.238840] da9063-rtc da9063-rtc: Failed to set RTC time data: -6 [2370.248950] da9063-rtc da9063-rtc: Failed to read RTC time data: -6 [2372.525064] da9063-rtc da9063-rtc: Failed to set RTC time data: -6 [2372.533970] da9063-rtc da9063-rtc: Failed to read RTC time data: -6 ---
**Author:** ![LeonidM](https://avatars.discourse-cdn.com/v4/letter/l/d26b3c/32.png) [@LeonidM](https://forums.digi.com/u/LeonidM)\ **Post date:** [January 9, 2020, 7:04am UTC](https://forums.digi.com/t/random-wifi-shut-off-on-connectcore6/21014/2 "2020-01-09T07:04:37Z")
Can you reproduce the issue using stock DEY images?