[ 4.734051] Unable to handle kernel NULL pointer dereference at virtual address 00000000 [ 4.739567] i2c-gpio soc:i2cdsi: using pins 44 (SDA) and 45 (SCL) [ 4.746082] wm8731 1-001a: Assuming static MCLK [ 4.746108] 1-001a supply AVDD not found, using dummy regulator [ 4.746202] 1-001a supply HPVDD not found, using dummy regulator [ 4.746254] 1-001a supply DCVDD not found, using dummy regulator [ 4.746319] 1-001a supply DBVDD not found, using dummy regulator [ 4.777703] pgd = b801c000 [ 4.780477] [00000000] *pgd=00000000 [ 4.784145] Internal error: Oops: 5 [#1] SMP ARM [ 4.788840] Modules linked in: snd_soc_audioinjector_pi_soundcard(+) snd_soc_wm8731 snd_soc_bcm2835_i2s i2c_gpio panel_raspberrypi_touchscreen(+) snd_soc_core snd_compress bcm2835_gpiomem snd_pcm_dmaengine snd_usb_audio snd_hwdep snd_usbmidi_lib snd_rawmidi snd_seq_device snd_pcm snd_timer evdev joydev uio_pdrv_genirq uio fixed sch_fq_codel ipv6 [ 4.796560] CPU: 3 PID: 169 Comm: systemd-udevd Not tainted 4.9.16 #1 [ 4.796563] Hardware name: BCM2835 [ 4.796569] task: b97f0ec0 task.stack: b8018000 [ 4.796586] PC is at i2c_smbus_read_byte_data+0x24/0x4c [ 4.796592] LR is at 0xb8019c76 [ 4.796600] pc : [<805ed53c>] lr : [] psr: 00010013 sp : b8019c60 ip : 00000002 fp : b8019ca4 [ 4.796604] r10: b8156f64 r9 : ba7293f0 r8 : 00000001 [ 4.796609] r7 : b9978c08 r6 : 00000000 r5 : b80f3150 r4 : b9978c00 [ 4.796614] r3 : ba729438 r2 : 00000001 r1 : 00000080 r0 : 00000000 [ 4.796622] Flags: nzcv IRQs on FIQs on Mode SVC_32 ISA ARM Segment user [ 4.796627] Control: 10c5383d Table: 3801c06a DAC: 00000055 [ 4.796632] Process systemd-udevd (pid: 169, stack limit = 0xb8018210) [ 4.796638] Stack: (0xb8019c60 to 0xb801a000) [ 4.796670] 9c60: 00000080 80763fdc ba20be5c 00000000 b9978c08 80c61004 b80f3150 b9978c00 [ 4.796691] 9c80: b80f3150 00000000 b8019ca4 b8019c98 8063c49c 80458954 b8019ccc b8019ca8 [ 4.796722] 9ca0: 7f26e42c 805ed524 80d134a4 b9978c08 00000000 7f26e94c 00000022 00000003 [ 4.796735] 9cc0: b8019cdc b8019cd0 8052c164 7f26e398 b8019d04 b8019ce0 8054486c 8052c148 [ 4.796762] 9ce0: b9978c08 7f26e94c b9978c3c 00000000 00000000 00000003 b8019d24 b8019d08 [ 4.796781] 9d00: 805449e0 80544664 00000000 7f26e94c 80544918 00000000 b8019d4c b8019d28 [ 4.796791] 9d20: 8054284c 80544924 ba20bb5c b995fb34 ba20bb70 7f26e94c b9b1dc00 80c55200 [ 4.796802] 9d40: b8019d5c b8019d50 8054406c 805427e0 b8019d84 b8019d60 80543b70 8054404c [ 4.796812] 9d60: 7f26e910 b8019d70 7f26e94c ffffe000 7f26e9c0 b80f3040 b8019d9c b8019d88 [ 4.796823] 9d80: 80544fa8 80543a60 7f271000 ffffe000 b8019dac b8019da0 8052ca5c 80544f2c [ 4.796833] 9da0: b8019dbc b8019db0 7f271020 8052ca04 b8019e34 b8019dc0 80101bfc 7f27100c [ 4.796843] 9dc0: 39b99000 8022e53c b8085300 00000003 39b99000 8024fc0c b8085040 8025f7c8 [ 4.796853] 9de0: 024000c0 024000c0 b8019e34 b8019df8 8025f7c8 80767cc8 00000001 8024fc0c [ 4.796864] 9e00: b80f3080 000012b2 bbcf4000 7f26e9c0 00000001 7f26e9c0 00000001 7f26e9c0 [ 4.796874] 9e20: b80f3040 00000001 b8019e5c b8019e38 8020ba08 80101bb4 b8019e5c b8019e48 [ 4.796884] 9e40: b8019f44 00000001 7f26e9c0 b8156f40 b8019f1c b8019e60 801a3f08 8020b9a0 [ 4.796894] 9e60: 7f26e9cc 00007fff 7f26e9c0 801a1204 00000000 80976640 80976618 80976670 [ 4.796904] 9e80: 8097660c 808035bc 7f26e9cc 00000000 b8019f44 7f26ebac 7f26ea08 7f26e9c0 [ 4.796914] 9ea0: b8019eec b8019eb0 8027841c 80278288 bbcf4000 00000000 00000000 00000000 [ 4.796923] 9ec0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000 [ 4.796933] 9ee0: 00000000 00000000 00000000 00000000 7fffffff 00000000 00000007 76ef1100 [ 4.796944] 9f00: 0000017b 80108204 b8018000 00000000 b8019fa4 b8019f20 801a4760 801a2240 [ 4.796954] 9f20: 7fffffff 00000000 00000003 b8019f38 8022e6e8 bbcf4000 000027d8 00000000 [ 4.796985] 9f40: 00000000 bbcf4000 000027d8 bbcf6288 bbcf612c bbcf5994 00000bc0 00000e30 [ 4.797000] 9f60: 00000000 00000000 00000000 00000aac 00000020 00000021 0000001a 00000017 [ 4.797025] 9f80: 00000013 00000000 00000000 00000000 56223c70 56223c70 00000000 b8019fa8 [ 4.797047] 9fa0: 80108080 801a46b4 00000000 56223c70 00000007 76ef1100 00000000 00020000 [ 4.797074] 9fc0: 00000000 56223c70 56223c70 0000017b 00000000 54b5ba24 00000000 54b6a114 [ 4.797095] 9fe0: 7e8d6990 7e8d6980 76eec27b 76e1dfe0 600c0010 00000007 00000000 00000000 [ 4.797133] [<805ed53c>] (i2c_smbus_read_byte_data) from [<7f26e42c>] (rpi_touchscreen_dsi_probe+0xa0/0x158 [panel_raspberrypi_touchscreen]) [ 4.797176] [<7f26e42c>] (rpi_touchscreen_dsi_probe [panel_raspberrypi_touchscreen]) from [<8052c164>] (mipi_dsi_drv_probe+0x28/0x2c) [ 4.797198] [<8052c164>] (mipi_dsi_drv_probe) from [<8054486c>] (driver_probe_device+0x214/0x2c0) [ 4.797217] [<8054486c>] (driver_probe_device) from [<805449e0>] (__driver_attach+0xc8/0xcc) [ 4.797233] [<805449e0>] (__driver_attach) from [<8054284c>] (bus_for_each_dev+0x78/0xac) [ 4.797248] [<8054284c>] (bus_for_each_dev) from [<8054406c>] (driver_attach+0x2c/0x30) [ 4.797281] [<8054406c>] (driver_attach) from [<80543b70>] (bus_add_driver+0x11c/0x228) [ 4.797301] [<80543b70>] (bus_add_driver) from [<80544fa8>] (driver_register+0x88/0x104) [ 4.797317] [<80544fa8>] (driver_register) from [<8052ca5c>] (mipi_dsi_driver_register_full+0x64/0x68) [ 4.797354] [<8052ca5c>] (mipi_dsi_driver_register_full) from [<7f271020>] (rpi_touchscreen_driver_init+0x20/0x24 [panel_raspberrypi_touchscreen]) [ 4.797394] [<7f271020>] (rpi_touchscreen_driver_init [panel_raspberrypi_touchscreen]) from [<80101bfc>] (do_one_initcall+0x54/0x180) [ 4.797416] [<80101bfc>] (do_one_initcall) from [<8020ba08>] (do_init_module+0x74/0x1e4) [ 4.797436] [<8020ba08>] (do_init_module) from [<801a3f08>] (load_module+0x1cd4/0x2314) [ 4.797454] [<801a3f08>] (load_module) from [<801a4760>] (SyS_finit_module+0xb8/0xc8) [ 4.797483] [<801a4760>] (SyS_finit_module) from [<80108080>] (ret_fast_syscall+0x0/0x1c) [ 4.797502] Code: e8bd4000 e3a0c002 e58d1000 e24be02e (e1d020b0) [ 4.797538] ---[ end trace ab1bd275950c08dd ]---