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swehner avatar swehner commented on July 22, 2024

Could be related to this error showing up in dmesg:

[ 6598.651071] ------------[ cut here ]------------
[ 6598.655910] WARNING: CPU: 2 PID: 19848 at drivers/misc/vc04_services/interface/vchiq_arm/vchiq_arm.c:2484 vchiq_release_internal+0xac/0x244()
[ 6598.668882] Modules linked in: ch341 usbserial bcm2835_gpiomem uio_pdrv_genirq uio sch_fq_codel snd_bcm2835 snd_pcm snd_timer snd bcm2708_rng rng_core ip_tables x_tables ipv6
[ 6598.685069] CPU: 2 PID: 19848 Comm: HTV Notify Not tainted 4.1.10-2-ARCH #1
[ 6598.692210] Hardware name: BCM2709
[ 6598.695782] [<80015dd4>] (unwind_backtrace) from [<80012d58>] (show_stack+0x10/0x14)
[ 6598.703698] [<80012d58>] (show_stack) from [<80780f6c>] (dump_stack+0x84/0xc4)
[ 6598.711112] [<80780f6c>] (dump_stack) from [<8002f9bc>] (warn_slowpath_common+0x84/0xb4)
[ 6598.719419] [<8002f9bc>] (warn_slowpath_common) from [<8002fa88>] (warn_slowpath_null+0x1c/0x24)
[ 6598.728419] [<8002fa88>] (warn_slowpath_null) from [<80558408>] (vchiq_release_internal+0xac/0x244)
[ 6598.737700] [<80558408>] (vchiq_release_internal) from [<80559034>] (vchiq_ioctl+0x7c8/0x1750)
[ 6598.746519] [<80559034>] (vchiq_ioctl) from [<8015ee58>] (do_vfs_ioctl+0x3e8/0x608)
[ 6598.754336] [<8015ee58>] (do_vfs_ioctl) from [<8015f0ac>] (SyS_ioctl+0x34/0x5c)
[ 6598.761832] [<8015f0ac>] (SyS_ioctl) from [<8000f360>] (ret_fast_syscall+0x0/0x3c)
[ 6598.769577] ---[ end trace d2157e5f0135c220 ]---
[ 6598.774328] vchiq: vchiq_ioctl: cmd VCHIQ_IOC_RELEASE_SERVICE returned error -1 for service TVNT:19845

This happened at the second replay after the TV was turned back on - maybe there's some issue with this?
We should test if using hello_video while the TV is off or turning on is problematic (maybe check with tvservice if the TV is on before replaying:

[root@alarmpi bin]# ./tvservice --status
state 0x12000a [HDMI CEA (31) RGB lim 16:9], 1920x1080 @ 50.00Hz, progressive

from foos.

swehner avatar swehner commented on July 22, 2024

Was actually a GPU memory issue. Fixed now with the smaller BGs.

from foos.

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