HATs and other add-ons • Re: Pi4 TV-HAT continuity errors when ARM clock <1500MHz

Code:

arm_64bit=1auto_initramfs=1dtoverlay=disable-wifidtoverlay=disable-btarm_freq=600

Code:

[  717.183065] rpivid feb10000.codec: rpivid_h265_stop[  725.535866] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.537247] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.538561] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.539943] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.541277] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.542567] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.543894] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.545190] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.546572] cma: cma_alloc: linux,cma: alloc failed, req-size: 383 pages, ret: -12[  725.557428] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000008[  725.557478] Mem abort info:[  725.557490]   ESR = 0x0000000096000045[  725.557505]   EC = 0x25: DABT (current EL), IL = 32 bits[  725.557524]   SET = 0, FnV = 0[  725.557537]   EA = 0, S1PTW = 0[  725.557550]   FSC = 0x05: level 1 translation fault[  725.557566] Data abort info:[  725.557577]   ISV = 0, ISS = 0x00000045, ISS2 = 0x00000000[  725.557593]   CM = 0, WnR = 1, TnD = 0, TagAccess = 0[  725.557609]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0[  725.557626] user pgtable: 4k pages, 39-bit VAs, pgdp=0000000041732000[  725.557645] [0000000000000008] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000[  725.557686] Internal error: Oops: 0000000096000045 [#1] PREEMPT SMP[  725.557707] Modules linked in: rfkill rpivid_hevc(C) bcm2835_codec(C) bcm2835_isp(C) v4l2_mem2mem cxd2880 bcm2835_v4l2(C) snd_bcm2835(C) bcm2835_mmal_vchiq(C) cxd2880_spi snd_pcm videobuf2_dma_contig videobuf2_vmalloc dvb_core videobuf2_memops videobuf2_v4l2 raspberrypi_hwmon videodev snd_timer raspberrypi_gpiomem videobuf2_common vc_sm_cma(C) snd mc nvmem_rmem uio_pdrv_genirq uio binfmt_misc i2c_dev drm fuse dm_mod drm_panel_orientation_quirks backlight ip_tables x_tables ipv6 spidev spi_bcm2835[  725.557972] CPU: 3 PID: 1002 Comm: rpiffmpeg Tainted: G        WC         6.6.51+rpt-rpi-v8 #1  Debian 1:6.6.51-1+rpt3[  725.558003] Hardware name: Raspberry Pi 4 Model B Rev 1.1 (DT)[  725.558020] pstate: 60000005 (nZCv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)[  725.558042] pc : vchiq_mmal_port_enable+0xd4/0x160 [bcm2835_mmal_vchiq][  725.558096] lr : vchiq_mmal_port_enable+0x114/0x160 [bcm2835_mmal_vchiq][  725.558135] sp : ffffffc08b7c3a80[  725.558149] x29: ffffffc08b7c3a80 x28: 0000000000000002 x27: dead000000000100[  725.558185] x26: dead000000000122 x25: ffffff80431c0218 x24: 0000000000000000[  725.558218] x23: ffffff80431c0008 x22: ffffff80431c0000 x21: ffffff8043318920[  725.558251] x20: ffffff80431c0170 x19: 0000000000000000 x18: 0000000000000003[  725.558283] x17: 0000000100000000 x16: ffffffed4089afa0 x15: ffffffc08b7c36b0[  725.558316] x14: ffffffc10b7c3807 x13: ffffffc08b7c380d x12: bcbcbcbcbcbcbcbc[  725.558348] x11: bcbcbcbcbcbcbcbc x10: 000000000000003a x9 : ffffffed4089afdc[  725.558381] x8 : 000000000000003a x7 : 0000000000000003 x6 : 000000000000003a[  725.558413] x5 : ffffff804462781c x4 : 0000000000000000 x3 : 0000000000000001[  725.558445] x2 : 0000000000000000 x1 : 0000000000000000 x0 : 0000000000000000[  725.558477] Call trace:[  725.558492]  vchiq_mmal_port_enable+0xd4/0x160 [bcm2835_mmal_vchiq][  725.558532]  bcm2835_codec_start_streaming+0x17c/0x488 [bcm2835_codec][  725.558572]  vb2_start_streaming+0x74/0x170 [videobuf2_common][  725.558625]  vb2_core_streamon+0x100/0x1d0 [videobuf2_common][  725.558674]  vb2_streamon+0x20/0x78 [videobuf2_v4l2][  725.558716]  v4l2_m2m_ioctl_streamon+0x40/0xa8 [v4l2_mem2mem][  725.558766]  v4l_streamon+0x2c/0x40 [videodev][  725.558879]  __video_do_ioctl+0x170/0x3e0 [videodev][  725.558981]  video_usercopy+0x208/0x770 [videodev][  725.559082]  video_ioctl2+0x20/0x40 [videodev][  725.559182]  v4l2_ioctl+0x48/0x70 [videodev][  725.559281]  __arm64_sys_ioctl+0xb4/0x100[  725.559314]  invoke_syscall+0x50/0x128[  725.559341]  el0_svc_common.constprop.0+0x48/0xf0[  725.559367]  do_el0_svc+0x24/0x38[  725.559391]  el0_svc+0x40/0xe8[  725.559418]  el0t_64_sync_handler+0x100/0x130[  725.559436]  el0t_64_sync+0x190/0x198[  725.559461] Code: f2fbd5bb f2fbd5ba 1400000d a94002a1 (f9000420) [  725.559482] ---[ end trace 0000000000000000 ]---