Hi , on Bookworm 64bit I see on dmesg it's happening when the display is automatically turned off (hdmi0) , both on X and Labwc
It doesn't affect functionality but I was wondering if it's normal .
Code:
[ 1262.208631] WARNING: CPU: 1 PID: 877 at drivers/gpu/drm/vc4/vc4_hvs.c:1064 __vc4_hvs_stop_channel+0x154/0x178 [vc4][ 1262.208691] Modules linked in: xt_tcpudp xt_mark xt_connmark nf_conntrack nf_defrag_ipv6 nf_defrag_ipv4 wireguard libchacha20poly1305 chacha_neon poly1305_neon ip6_udp_tunnel udp_tunnel libcurve25519_generic libchacha rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device xt_comment nft_compat nf_tables nfnetlink cmac algif_hash aes_arm64 aes_generic algif_skcipher af_alg bnep zram lz4_compress binfmt_misc brcmfmac_wcc raspberrypi_hwmon i2c_brcmstb brcmfmac hci_uart joydev btbcm bluetooth brcmutil rpi_hevc_dec bcm2835_codec(C) bcm2835_v4l2(C) bcm2835_isp(C) cfg80211 bcm2835_mmal_vchiq(C) sg vc_sm_cma(C) v4l2_mem2mem ecdh_generic videobuf2_dma_contig videobuf2_vmalloc ecc videobuf2_memops rfkill videobuf2_v4l2 libaes videodev videobuf2_common mc raspberrypi_gpiomem snd_bcm2835(C) nvmem_rmem i2c_dev ledtrig_pattern fuse dm_mod ip_tables x_tables ipv6 v3d drm_shmem_helper gpu_sched vc4 snd_soc_hdmi_codec snd_soc_core snd_compress snd_pcm_dmaengine snd_pcm snd_timer snd drm_display_helper drm_dma_helper cec[ 1262.208852] drm_kms_helper drm drm_panel_orientation_quirks backlight uio_pdrv_genirq uio[ 1262.208870] CPU: 1 UID: 1000 PID: 877 Comm: labwc Tainted: G C 6.12.25+rpt-rpi-v8 #1 Debian 1:6.12.25-1+rpt1[ 1262.208878] Tainted: [C]=CRAP[ 1262.208881] Hardware name: Raspberry Pi 4 Model B Rev 1.5 (DT)[ 1262.208884] pstate: 80000005 (Nzcv daif -PAN -UAO -TCO -DIT -SSBS BTYPE=--)[ 1262.208890] pc : __vc4_hvs_stop_channel+0x154/0x178 [vc4][ 1262.208914] lr : __vc4_hvs_stop_channel+0x4c/0x178 [vc4][ 1262.208936] sp : ffffffc0817e3880[ 1262.208939] x29: ffffffc0817e3880 x28: 0000000000000003 x27: ffffff800565a508[ 1262.208948] x26: 000000000000000a x25: 0000000000418958 x24: ffffff8005150000[ 1262.208957] x23: ffffff8006abe880 x22: 0000000000000000 x21: ffffff800565a508[ 1262.208965] x20: ffffff8006040080 x19: 0000000000000000 x18: 0000000000000000[ 1262.208974] x17: 0000000000000000 x16: ffffffe69853e138 x15: 0000000000000000[ 1262.208982] x14: 0000000000000000 x13: 000000001dcd6500 x12: 0000000480000008[ 1262.208990] x11: ffffffc08002d000 x10: 0000000000001a40 x9 : ffffffe65bb37d94[ 1262.208998] x8 : ffffff8030ee1aa0 x7 : 0000000000000000 x6 : 0000000000000000[ 1262.209006] x5 : 00000000000158d9 x4 : 0000000000000000 x3 : 0000000040000000[ 1262.209014] x2 : 0000000000000000 x1 : 0000000010000000 x0 : 0000000000000000[ 1262.209022] Call trace:It doesn't affect functionality but I was wondering if it's normal .
Statistics: Posted by korakios — Sat May 10, 2025 4:23 pm