fehlfarbe

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  1. I updated to kernel 5.4.43 but the module was still not available. A fresh install of the latest bionic image with kernel 5.4.43 is working. Camera driver loads at startup and I can take videos (at least at 640x480) with GStreamer Many thanks!
  2. Thanks. I unloaded cedrus but the problem is still present. Indeed, the OV5640 driver isn't loaded. I expected the camera will work plug&play because the /dev/video0 device is present. But the device is also there without a connected camera. Looks like the driver isn't part of the current kernel (5.4.35-sunxi) because modprobe lists only "ov2680 ov2685 ov5645 ov5647 ov5675 ov5695 ov7251 ov772x ov7740 ov8856 ov9640"?
  3. Hi, I'm want to use my old Nanopi Neo Air with CAM500B as wifi webcam. I flashed the latest armbian bionic image, installed v4l-utils and tried to list the cameras properties with `v4l2-compliance` and `v4l2-ctl --all` but the tools always crash and I can't kill them. `dmesg` shows a NULL pointer exception: [ 56.994526] 8<--- cut here --- [ 56.997657] Unable to handle kernel NULL pointer dereference at virtual address 00000068 [ 57.005825] pgd = c774af94 [ 57.008606] [00000068] *pgd=00000000 [ 57.012243] Internal error: Oops: 5 [#1] SMP THUMB2 [ 57.017122] Modules linked in: brcmfmac brcmutil sun8i_codec_analog sun8i_adda_pr_regmap sun4i_i2s snd_soc_simple_card snd_soc_simple_card_utils snd_soc_core lima snd_pcm_dmaengine gpu_sched sun4i_gpadc_iio snd_pcm cfg80211 snd_timer industrialio snd soundcore rfkill sun8i_thermal zram sunxi_cedrus(C) v4l2_mem2mem uio_pdrv_genirq uio cpufreq_dt sch_fq_codel usb_f_acm u_serial g_serial libcomposite ip_tables x_tables pwrseq_simple [ 57.055242] CPU: 1 PID: 2012 Comm: v4l2-compliance Tainted: G C 5.4.35-sunxi #trunk [ 57.064192] Hardware name: Allwinner sun8i Family [ 57.068916] PC is at v4l2_g_parm_cap+0x3c/0xb4 [ 57.073363] LR is at v4l2_g_parm_cap+0x27/0xb4 [ 57.077808] pc : [<c0796c04>] lr : [<c0796bef>] psr: 00030033 [ 57.084072] sp : d43d1d50 ip : d43d1d84 fp : d4e74840 [ 57.089296] r10: c0ab69f0 r9 : c0aaf59c r8 : d4f9d100 [ 57.094521] r7 : d70fd328 r6 : 00000000 r5 : d4ef6000 r4 : c0f04f48 [ 57.101100] r3 : 00000080 r2 : fffffff0 r1 : 00000000 r0 : d43d1d54 [ 57.107618] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA Thumb Segment none [ 57.114913] Control: 50c5387d Table: 54dbc06a DAC: 00000051 [ 57.120652] Process v4l2-compliance (pid: 2012, stack limit = 0x7ede4d8a) [ 57.127429] Stack: (0xd43d1d50 to 0xd43d2000) [ 57.131780] 1d40: 00000002 00000000 00000000 00000000 [ 57.139945] 1d60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 57.148110] 1d80: 00000000 6a7c03d8 c104e334 c0f04f48 d4ef6000 d4e74840 c0ab69f0 c078a355 [ 57.156274] 1da0: c07b2311 d43d1e54 00000000 6a7c03d8 c0cc5604 d70fd328 c0cc5615 c078a31d [ 57.164440] 1dc0: c0f04f48 d70fd694 c0aaf59c c078af73 d73c0000 00000000 d4f9d100 00000000 [ 57.172605] 1de0: 00000000 d4ef6000 00000000 c0aaf59c c0f04f48 c023f9c5 00080040 c0ec5700 [ 57.180769] 1e00: 1f0be000 6a7c03d8 d7007c18 c0cc5615 c0f04f48 00000004 00000000 00000003 [ 57.188934] 1e20: 000000cc d4ef6000 d4ef6000 c078b41f c0f05400 bef96b8c d4e74840 c078adf5 [ 57.197098] 1e40: 00000000 00000000 00000000 00000000 c9bd4200 00000001 00000000 00000000 [ 57.205262] 1e60: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 57.213426] 1e80: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 57.221581] 1ea0: 00000000 d69bed78 00000001 00000000 00000001 d43d1ed0 00000004 c0f04f48 [ 57.229746] 1ec0: 60030013 c0150cc7 00000004 d43d1ed0 00000000 6a7c03d8 00000000 6a7c03d8 [ 57.237910] 1ee0: 00000000 c0f04f48 d4e74840 bef96b8c 00000003 bef96b8c d73d0ce8 c0262f41 [ 57.246075] 1f00: d4e2a240 00000002 d08fc7f8 d4e2a248 00000000 c0f04f48 00000000 00000000 [ 57.254239] 1f20: 00000000 00000000 00000000 6a7c03d8 5ac3c35a 00000002 d4e2a240 d08fc7f8 [ 57.262405] 1f40: d4e2a248 00000001 02364058 00000001 bef9705c c0253b5b 00000000 6a7c03d8 [ 57.270569] 1f60: c0f04f48 d4e74840 00000000 d4e74840 c0cc5615 bef96b8c 00000003 00000036 [ 57.278735] 1f80: bef9705c c02635d5 7123fc00 b6f34968 00000001 bef97060 00000036 c0101224 [ 57.286900] 1fa0: d43d0000 c0101001 b6f34968 00000001 00000003 c0cc5615 bef96b8c 7123fc00 [ 57.295064] 1fc0: b6f34968 00000001 bef97060 00000036 bef9a47c bef96a84 004c3e78 bef9705c [ 57.303229] 1fe0: 004c3f00 bef969b4 004845e7 b6d150a8 60030030 00000003 00000000 00000000 [ 57.311407] [<c0796c04>] (v4l2_g_parm_cap) from [<c078a355>] (v4l_g_parm+0x39/0x90) [ 57.319055] [<c078a355>] (v4l_g_parm) from [<c078af73>] (__video_do_ioctl+0x17f/0x314) [ 57.326963] [<c078af73>] (__video_do_ioctl) from [<c078b41f>] (video_usercopy+0x1ff/0x4bc) [ 57.335219] [<c078b41f>] (video_usercopy) from [<c0262f41>] (do_vfs_ioctl+0x8d/0x6e0) [ 57.343042] [<c0262f41>] (do_vfs_ioctl) from [<c02635d5>] (ksys_ioctl+0x41/0x58) [ 57.350431] [<c02635d5>] (ksys_ioctl) from [<c0101001>] (ret_fast_syscall+0x1/0x62) [ 57.358072] Exception stack(0xd43d1fa8 to 0xd43d1ff0) [ 57.363116] 1fa0: b6f34968 00000001 00000003 c0cc5615 bef96b8c 7123fc00 [ 57.371281] 1fc0: b6f34968 00000001 bef97060 00000036 bef9a47c bef96a84 004c3e78 bef9705c [ 57.379443] 1fe0: 004c3f00 bef969b4 004845e7 b6d150a8 [ 57.384491] Code: 01db bf44 2302 61ab (6eb3) 68db [ 57.389321] ---[ end trace b0284d13f94bede6 ]--- Is the camera broken or is this a driver problem?
  4. Thanks, I donwloaded the 5.20 images from https://www.armbian.com/nanopi-neo-air/but now I found the current images at https://image.armbian.com/ and Armbian_5.24_Nanopiair_Ubuntu_xenial_3.4.113 is working without any problems. I installed it on my sd card and used nand-sata-install to copy the system to eMMC and it works with OTG support
  5. Hi, I'm trying to install Armbian on my NanoPiAir. At first I booted in FEL mode and burned an image with Etcher to MMC. I tried Armbian_5.20_Nanopiair_Debian_jessie_3.4.112.img, Armbian_5.20_Nanopiair_Ubuntu_xenial_3.4.112.img and Armbian_5.24.161226_Nanopiair_Ubuntu_xenial_4.9.0.img. Then I removed the USB cable, removed the SD card and replugged the USB cable. With the 5.24 nightly build the blue LED startet flashing after some seconds. But there was no /dev/ttyACM0 device or usb device (I checked lsusb and dmesg) detected on my host computer (Linux Mint 17, 3.13.0-100). So I installed an image on my sd card with dd but the same problem. Then I soldered the UART pins and connected via screen /dev/ttyUSB0 which works without any problems. I started nand-sata-install script that finished with success. After removing my sd card I tried to start from eMMC but I only get this message via UART: U-Boot SPL 2016.09-armbian (Sep 15 2016 - 05:37:42) DRAM: 512 MiB Trying to boot from MMC2 MMC Device 1 not found spl: could not find mmc device. error: -19 SPL: failed to boot from all boot devices ### ERROR ### Please RESET the board ### I also tried to reflash the eMMC via FEL but etcher aborts everytime while flashing or after the verify process. Does this mean my eMMC is broken? Is there a way to check this?