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Seems only a warning, but it is filling the logs:
[ 20.494538] ------------[ cut here ]------------
[ 20.494539] Unknown pixelformat 0x00000000
[ 20.494550] WARNING: CPU: 1 PID: 1201 at drivers/media/v4l2-core/v4l2-ioctl.c:1500 v4l_enum_fmt+0x114a/0x1ba0 [videodev]
[ 20.494568] Modules linked in: rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device ccm cmac algif_hash algif_skcipher af_alg bnep nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(POE) nvidia(POE) snd_soc_avs snd_soc_hda_codec intel_rapl_msr intel_rapl_common snd_hda_ext_core intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp snd_soc_core snd_hda_codec_hdmi coretemp snd_compress kvm_intel snd_hda_codec_realtek ac97_bus snd_hda_codec_generic rtl8723be snd_pcm_dmaengine kvm btcoexist irqbypass snd_hda_intel rtl8723_common snd_intel_dspcfg crct10dif_pclmul snd_intel_sdw_acpi crc32_pclmul rtl_pci polyval_clmulni rtlwifi snd_hda_codec polyval_generic gf128mul ghash_clmulni_intel snd_hda_core sha512_ssse3 mei_hdcp snd_hwdep dell_wmi aesni_intel uvcvideo mei_pxp btusb mac80211 snd_pcm dell_smbios videobuf2_vmalloc btrtl btbcm iTCO_wdt crypto_simd videobuf2_memops vfat btintel fat videobuf2_v4l2 cryptd libarc4 btmtk r8169 rapl dell_smm_hwmon intel_pmc_bxt ee1004 videodev realtek
[ 20.494610] iTCO_vendor_support intel_cstate dcdbas snd_timer mei_me bluetooth cfg80211 mdio_devres intel_uncore videobuf2_common dell_wmi_aio ledtrig_audio snd i2c_i801 wmi_bmof sparse_keymap pcspkr ecdh_generic dell_wmi_descriptor mc soundcore libphy i2c_smbus rfkill mei crc16 acpi_pad mousedev lzo_rle joydev mac_hid crypto_user dm_mod fuse loop zram bpf_preload ip_tables x_tables hid_multitouch usbhid i915 btrfs blake2b_generic xor raid6_pq drm_buddy intel_gtt libcrc32c crc32c_generic sdhci_pci drm_display_helper cqhci cec sdhci crc32c_intel mmc_core xhci_pci ttm xhci_pci_renesas video wmi
[ 20.494641] CPU: 1 PID: 1201 Comm: pipewire Tainted: P W IOE 6.2.7-arch1-1 #1 d0ef1d2ba4aa7f22be04df39dde66a4c3cc73dc4
[ 20.494643] Hardware name: Dell Inc. Inspiron 24-7459/0503P4, BIOS 1.15.1 01/12/2021
[ 20.494644] RIP: 0010:v4l_enum_fmt+0x114a/0x1ba0 [videodev]
[ 20.494662] Code: c7 c3 70 c7 30 c1 81 fe 64 76 73 64 0f 84 ef f0 ff ff 41 80 7c 24 0c 00 0f 85 ae ef ff ff 48 c7 c7 d9 d5 30 c1 e8 26 55 5c f2 <0f> 0b 48 c7 c2 f5 d5 30 c1 49 8d 4c 24 2c 49 8d 7c 24 0c 31 ed be
[ 20.494663] RSP: 0018:ffffb44b43b3bcd0 EFLAGS: 00010282
[ 20.494665] RAX: 0000000000000000 RBX: ffffffffc130cc21 RCX: 0000000000000027
[ 20.494666] RDX: ffffa04bf4261648 RSI: 0000000000000001 RDI: ffffa04bf4261640
[ 20.494667] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb44b43b3bb60
[ 20.494668] R10: 0000000000000003 R11: ffffffffb56c9a68 R12: ffffb44b43b3bde0
[ 20.494669] R13: 0000000000000000 R14: ffffa048e2a19780 R15: ffffa04883b58018
[ 20.494670] FS: 00007f93f6956740(0000) GS:ffffa04bf4240000(0000) knlGS:0000000000000000
[ 20.494672] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 20.494673] CR2: 000055e1cbfef088 CR3: 000000015d84c005 CR4: 00000000003706e0
[ 20.494674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 20.494675] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 20.494676] Call Trace:
[ 20.494677] <TASK>
[ 20.494678] __video_do_ioctl+0x1c5/0x4b0 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 20.494699] video_usercopy+0x139/0x710 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 20.494718] ? __pfx___video_do_ioctl+0x10/0x10 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 20.494738] v4l2_ioctl+0x4a/0x60 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 20.494756] __x64_sys_ioctl+0x91/0xd0
[ 20.494759] do_syscall_64+0x5c/0x90
[ 20.494761] ? v4l2_ioctl+0x4a/0x60 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 20.494779] ? __x64_sys_ioctl+0xac/0xd0
[ 20.494781] ? syscall_exit_to_user_mode+0x1b/0x40
[ 20.494784] ? do_syscall_64+0x6b/0x90
[ 20.494786] ? do_syscall_64+0x6b/0x90
[ 20.494788] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 20.494791] RIP: 0033:0x7f93f6a7553f
[ 20.494795] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 10 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 18 48 8b 44 24 18 64 48 2b 04 25 28 00 00
[ 20.494796] RSP: 002b:00007ffcdf42e280 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 20.494798] RAX: ffffffffffffffda RBX: 0000000000000034 RCX: 00007f93f6a7553f
[ 20.494799] RDX: 000055e1cbfc23cc RSI: ffffffffc0405602 RDI: 0000000000000034
[ 20.494800] RBP: 0000000000000034 R08: 00007ffcdf42e070 R09: 000000000000000b
[ 20.494801] R10: 00007f93f5e1adc0 R11: 0000000000000246 R12: 000055e1cbfc23cc
[ 20.494802] R13: 000055e1cbfc21d8 R14: 000055e1cbfc23a0 R15: 0000000000000000
[ 20.494806] </TASK>
[ 20.494806] ---[ end trace 0000000000000000 ]---[...]
[ 1039.070046] ------------[ cut here ]------------
[ 1039.070047] Unknown pixelformat 0x00000000
[ 1039.070056] WARNING: CPU: 4 PID: 2529 at drivers/media/v4l2-core/v4l2-ioctl.c:1500 v4l_enum_fmt+0x114a/0x1ba0 [videodev]
[ 1039.070074] Modules linked in: rfcomm snd_seq_dummy snd_hrtimer snd_seq snd_seq_device ccm cmac algif_hash algif_skcipher af_alg bnep nvidia_drm(POE) nvidia_modeset(POE) nvidia_uvm(POE) nvidia(POE) snd_soc_avs snd_soc_hda_codec intel_rapl_msr intel_rapl_common snd_hda_ext_core intel_tcc_cooling x86_pkg_temp_thermal intel_powerclamp snd_soc_core snd_hda_codec_hdmi coretemp snd_compress kvm_intel snd_hda_codec_realtek ac97_bus snd_hda_codec_generic rtl8723be snd_pcm_dmaengine kvm btcoexist irqbypass snd_hda_intel rtl8723_common snd_intel_dspcfg crct10dif_pclmul snd_intel_sdw_acpi crc32_pclmul rtl_pci polyval_clmulni rtlwifi snd_hda_codec polyval_generic gf128mul ghash_clmulni_intel snd_hda_core sha512_ssse3 mei_hdcp snd_hwdep dell_wmi aesni_intel uvcvideo mei_pxp btusb mac80211 snd_pcm dell_smbios videobuf2_vmalloc btrtl btbcm iTCO_wdt crypto_simd videobuf2_memops vfat btintel fat videobuf2_v4l2 cryptd libarc4 btmtk r8169 rapl dell_smm_hwmon intel_pmc_bxt ee1004 videodev realtek
[ 1039.070113] iTCO_vendor_support intel_cstate dcdbas snd_timer mei_me bluetooth cfg80211 mdio_devres intel_uncore videobuf2_common dell_wmi_aio ledtrig_audio snd i2c_i801 wmi_bmof sparse_keymap pcspkr ecdh_generic dell_wmi_descriptor mc soundcore libphy i2c_smbus rfkill mei crc16 acpi_pad mousedev lzo_rle joydev mac_hid crypto_user dm_mod fuse loop zram bpf_preload ip_tables x_tables hid_multitouch usbhid i915 btrfs blake2b_generic xor raid6_pq drm_buddy intel_gtt libcrc32c crc32c_generic sdhci_pci drm_display_helper cqhci cec sdhci crc32c_intel mmc_core xhci_pci ttm xhci_pci_renesas video wmi
[ 1039.070142] CPU: 4 PID: 2529 Comm: chrome Tainted: P W IOE 6.2.7-arch1-1 #1 d0ef1d2ba4aa7f22be04df39dde66a4c3cc73dc4
[ 1039.070144] Hardware name: Dell Inc. Inspiron 24-7459/0503P4, BIOS 1.15.1 01/12/2021
[ 1039.070144] RIP: 0010:v4l_enum_fmt+0x114a/0x1ba0 [videodev]
[ 1039.070161] Code: c7 c3 70 c7 30 c1 81 fe 64 76 73 64 0f 84 ef f0 ff ff 41 80 7c 24 0c 00 0f 85 ae ef ff ff 48 c7 c7 d9 d5 30 c1 e8 26 55 5c f2 <0f> 0b 48 c7 c2 f5 d5 30 c1 49 8d 4c 24 2c 49 8d 7c 24 0c 31 ed be
[ 1039.070163] RSP: 0018:ffffb44b45e97cc0 EFLAGS: 00010282
[ 1039.070164] RAX: 0000000000000000 RBX: ffffffffc130cc21 RCX: 0000000000000027
[ 1039.070165] RDX: ffffa04bf4321648 RSI: 0000000000000001 RDI: ffffa04bf4321640
[ 1039.070166] RBP: 0000000000000000 R08: 0000000000000000 R09: ffffb44b45e97b50
[ 1039.070167] R10: 0000000000000003 R11: ffffffffb56c9a68 R12: ffffb44b45e97dd0
[ 1039.070168] R13: 0000000000000000 R14: ffffa048890adcc0 R15: ffffa04883b58018
[ 1039.070169] FS: 00007fed76752b00(0000) GS:ffffa04bf4300000(0000) knlGS:0000000000000000
[ 1039.070171] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1039.070172] CR2: 00001ca000215100 CR3: 000000020088e006 CR4: 00000000003706e0
[ 1039.070173] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1039.070174] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1039.070175] Call Trace:
[ 1039.070176] <TASK>
[ 1039.070177] __video_do_ioctl+0x1c5/0x4b0 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 1039.070196] video_usercopy+0x139/0x710 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 1039.070214] ? __pfx___video_do_ioctl+0x10/0x10 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 1039.070234] v4l2_ioctl+0x4a/0x60 [videodev 48b80a74c04f0a5282a0bf8b84bfca15bccacee7]
[ 1039.070250] __x64_sys_ioctl+0x91/0xd0
[ 1039.070253] do_syscall_64+0x5c/0x90
[ 1039.070255] ? do_syscall_64+0x6b/0x90
[ 1039.070257] ? syscall_exit_to_user_mode+0x1b/0x40
[ 1039.070260] ? do_syscall_64+0x6b/0x90
[ 1039.070262] ? exc_page_fault+0x74/0x170
[ 1039.070265] entry_SYSCALL_64_after_hwframe+0x72/0xdc
[ 1039.070267] RIP: 0033:0x7fed7750dbdd
[ 1039.070271] Code: 04 25 28 00 00 00 48 89 45 c8 31 c0 48 8d 45 10 c7 45 b0 10 00 00 00 48 89 45 b8 48 8d 45 d0 48 89 45 c0 b8 10 00 00 00 0f 05 <89> c2 3d 00 f0 ff ff 77 1a 48 8b 45 c8 64 48 2b 04 25 28 00 00 00
[ 1039.070272] RSP: 002b:00007ffca1185e20 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
[ 1039.070274] RAX: ffffffffffffffda RBX: 00007ffca1185fe0 RCX: 00007fed7750dbdd
[ 1039.070275] RDX: 00007ffca1185ee0 RSI: ffffffffc0405602 RDI: 0000000000000017
[ 1039.070276] RBP: 00007ffca1185e70 R08: 00001ca000215000 R09: 00001ca0002c8168
[ 1039.070277] R10: 0000000000000008 R11: 0000000000000246 R12: 00007ffca1185e80
[ 1039.070278] R13: 00001ca0002262a0 R14: 0000000000000017 R15: 00001ca000321260
[ 1039.070281] </TASK>
[ 1039.070282] ---[ end trace 0000000000000000 ]---Seems similar to https://bugzilla.redhat.com/show_bug.cgi?id=1789692
# journalctl -b | grep "Unknown video format"
mar 19 13:18:18 desktop kernel: uvcvideo 2-7:1.3: Unknown video format 52564e49-2d90-4a58-920b-773f1f2c556b
mar 19 13:18:18 desktop kernel: uvcvideo 2-7:1.3: Unknown video format 49524e49-2d90-4a58-920b-773f1f2c556b
mar 19 13:18:18 desktop kernel: uvcvideo 2-7:1.3: Unknown video format 494c4552-1314-f943-a75a-ee6bbf012e23I was recently testing Fedora Silverblue, on this same PC, and I did not see these warning messages.
Is there a way to hide these warnings? What is the right place to report it to see if it can be solved?
Last edited by opotonil (2023-03-19 12:41:56)
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