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