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Description of problem: firefox-98.0-2.fc35.x86_64.rpm broke playing any embedded videos for me. Downgrading to firefox-97.0.1-2.fc35.x86_64 immediately remedied this issue. Version-Release number of selected component (if applicable): firefox-98.0-2.fc35.x86_64 How reproducible: Always. Steps to Reproduce: Open an arbitrary site containing embedded videos (e.g. amazon or youtube)
FYI: This bug seems to be HW-dependent. It only occurs on an AMD Ryzen 5 PRO 4650G, but not on others machines. Makes me think, the cause might be an AMD drm or amdgpu problem. Each such breakdown triggers a trace similar to this: ... Mar 12 15:18:52 morse systemd[1]: systemd-coredump: Deactivated successfully. Mar 12 15:18:52 morse audit[1]: SERVICE_STOP pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=systemd-coredump@487-127717-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Mar 12 15:18:52 morse systemd-coredump[127718]: Process 127707 (RDD Process) of user 8690 dumped core. Found module linux-vdso.so.1 with build-id: 3ba283f9532462b67e382fa900b06825db98e27c Found module libtinfo.so.6 with build-id: 06c834f68d17417916bfc0350d75b727f8297f22 Found module libedit.so.0 with build-id: 9549e0628b667d19e647c9021983e041f921d571 Found module libxcb-dri2.so.0 with build-id: fee10fcf70d074f4b293a6c99f6a83a83d04944c Found module libdrm_nouveau.so.2 with build-id: 4cc2dbc84ad0da8270027ee61070ded6c943b8bd Found module libdrm_amdgpu.so.1 with build-id: b5d783bac66b357c20b69bd4e11e9a3c58a19dc5 Found module libelf.so.1 with build-id: 82957e348b58e4b13f147f08a030f3a4997bcb12 Found module libdrm_radeon.so.1 with build-id: cdb7e777085ed0f5b7f0581e728ac7ad968d7960 Found module libexpat.so.1 with build-id: 5e15db4b53c11a5e7602daa374b20a662570258a Found module libLLVM-13.so with build-id: 460d8e1344ca4b3467c8dd05c50ba93d8442f0dc Found module libxcb-dri3.so.0 with build-id: 0f4fd31b851a10e0ac9726faf3b2b66a52a56162 Found module libxcb-xfixes.so.0 with build-id: 445ec83da19adc83dbe0e8b8fc781561cd23893f Found module libxshmfence.so.1 with build-id: 12db5b6f0c14db1bed5d99bcb53a0e4aaf2bda51 Found module libxcb-present.so.0 with build-id: f36d36d7788afb2847fb6e0a10106e8837c40a47 Found module libxcb-sync.so.1 with build-id: 921c84206950693d473798baffea1bc7321c8f60 Found module radeonsi_drv_video.so with build-id: 593d83fee967c63d19e9ccb88aa5c8e672e9a377 Found module libx265_main12.so.199 with build-id: 2b2c531479baae3cd7f71a48d69e551cea7117c8 Found module libbrotlienc.so.1 with build-id: a221af9d7e12d8ae3717cdcd563f5aec32531a91 Found module libgomp.so.1 with build-id: 89a3c537d29b5efc280805f58c3bad68c7e73012 Found module libnuma.so.1 with build-id: 24b3826eb785d8e4dfec3a9b8e5fe37117269d57 Found module libogg.so.0 with build-id: 714c2b8484f85a852e216c4fc4bb2cf92872f37e Found module libvmaf.so.1 with build-id: 9a64c191de743086dadbde227c87bca67fcc5768 Found module libjxl.so.0.6 with build-id: 1ecc954ff11191990d1d41ea4d5150bfedee063b Found module libvulkan.so.1 with build-id: f8138ba38cfffa26688eb836e98801b508b313df Found module libOpenCL.so.1 with build-id: 236fc745fcde0c0bece37826dd1d8c9691a823c0 Found module libvdpau.so.1 with build-id: c17b2f91c3e07b0ad2f5646a4df7ec2d4d823304 Found module libsoxr.so.0 with build-id: e154461689760e2f09db3b4b533e0a18354e071b Found module libmfx.so.1 with build-id: 730079d6bf195d201b24295384b874d1cacd112e Found module libxvidcore.so.4 with build-id: 2dce6030a94c5c0ab2af9aee7108e1f59e0891e5 Found module libx265.so.199 with build-id: 8c2c68aab3fe1769ee1db921140c395e89678a95 Found module libx264.so.163 with build-id: a0d1bd18400657f0ce3ddbf590e7d34ac776e7f6 Found module libvorbisenc.so.2 with build-id: 68b1fdf0007c752a46482443a9b599bb6cf5a64e Found module libvorbis.so.0 with build-id: d3aece982a2dfdf9f412b5fc8a4dc88722bde200 Found module libvo-amrwbenc.so.0 with build-id: e253699be1aa2443c292c173452539fb00fb4643 Found module libtwolame.so.0 with build-id: 43bba73989326a2bd31e0cd07b2147b3b48ceb8b Found module libtheoradec.so.1 with build-id: 2e84a130a29c5a7f4b5584d49ce3a2f5cdbca21e Found module libtheoraenc.so.1 with build-id: b0bab61042b9e9f087eae9f530c0432edc8e19f1 Found module libSvtAv1Enc.so.0 with build-id: b4f43b47f8a2dd48a358c5c6930d4e406a2969f6 Found module libspeex.so.1 with build-id: 75d985ff28d3b33c893118673bafa5bb7ff36b9e Found module librav1e.so.0 with build-id: 1f68156f9f85bfb88cc11cc4dda00d34d3d112ee Found module libopus.so.0 with build-id: 0717c4aa935190f889e12134adcb95f1173896e6 Found module libopenjp2.so.7 with build-id: 67acc446978582ad7cef14cd452bcc4cfa3f69fc Found module libopencore-amrnb.so.0 with build-id: 0c387b91909129a44a14b17ca778566e9f608c8f Found module libmp3lame.so.0 with build-id: 8f8c9f4b754e37fd4f51ba67fb13cbefc341f8fe Found module libilbc.so.0 with build-id: 73ad30cfcd58967515313fdf6ec8d3fbeb896ce9 Found module libgsm.so.1 with build-id: f84c8103f3f95ee09f2c2888e21ff13c870ee056 Found module libaom.so.3 with build-id: f4466d1a8aa876c8ccca9d59f5159e48832e0d10 Found module libsnappy.so.1 with build-id: c87bcf521ca75032a73213ea3a6c0e4d40067873 Found module libzvbi.so.0 with build-id: 6491549c84183769c7aa5fdf7822db568fbf6a3b Found module librsvg-2.so.2 with build-id: c6a761645cc4d542e4729ebb6f3fa03506a41917 Found module libopencore-amrwb.so.0 with build-id: b81987756ab246a45dfb5fa3a57cfc4ea792802e Found module libdav1d.so.5 with build-id: dbf6a6322b97c79478fd4a90c6a65c953d07346c Found module libwebp.so.7 with build-id: 68d29c5b9af2bf539caa9ac1e48b6a97f46167d5 Found module libwebpmux.so.3 with build-id: d25abdfcde9dff67a91a7772678ef0d9175d059b Found module libvpx.so.6 with build-id: 6194869195109005ed8043f8a0326b3b4043dcbe Found module libavutil.so.56 with build-id: be666f6c30de2b0502141101c39c43c1be6fefb7 Found module libswresample.so.3 with build-id: 07666da18bdd319c311c6ab914ac19d4658fbf9e Found module libavcodec.so.58 with build-id: b5f901b24b0c413eb78e8ea6ef927d9449a11923 Found module libfdk-aac.so.2 with build-id: a5b85986f9da2454ddc92b8b7a8d6595ffbf9722 Found module libmozavcodec.so with build-id: 7f568e50754c1292be63a736a48fd3486797dedc Found module libmozavutil.so with build-id: 836fa5c767a1c459db044d6578404d69189f46b5 Found module libdrm.so.2 with build-id: fa7030da57896d65a8cfdd5413238c788a9e778f Found module libva.so.2 with build-id: 85190bd0005cfab06df232ed0ab6610503ce6477 Found module libva-drm.so.2 with build-id: 0ac818f3647f8c50d69d88f8d1a21320628ff64b Found module libX11-xcb.so.1 with build-id: 50b389a40194174f2c224e530719862e4986b02e Found module libdbus-glib-1.so.2 with build-id: 6a0fc8765d53e60df12f887aa8a4feeda211bae7 Found module libnssutil3.so with build-id: 8f8163feb75c8babd1e8bbd4d136d572b4ee7bc3 Found module libnss3.so with build-id: 192d4bb2e5e0e695bf633846692efe6757cbc48b Found module libsmime3.so with build-id: 18186bb66fc007573cea4c1e3e07b9ef541db444 Found module libssl3.so with build-id: 5d8ab76c75a469d6a53713f59db56b7b212556aa Found module libXtst.so.6 with build-id: 97ddda29c72fa18b2cae1274026730a04f8b0ae2 Found module libasound.so.2 with build-id: 3d77cd90a5798c94b6258410a0c6ed24e65424ed Found module libxul.so with build-id: d27ff556e42f9d534bcbea732640a613b19b2bc9 Found module libmozwayland.so with build-id: e468e51ee72d2058d5f66ad3c5129c1d88e71d88 Found module libgpg-error.so.0 with build-id: 081975d0a3416374b4883b2f1639fd3c9df42390 Found module libgcrypt.so.20 with build-id: 711d41580c5a8649a79a8430a985dac3e25b5ba2 Found module libcap.so.2 with build-id: 0214aa9cc6a8646eb9ec27ab7dda6a2219da6500 Found module liblz4.so.1 with build-id: fd02c4542a1ce1ad6c503b958447be1c37a4afee Found module libzstd.so.1 with build-id: 7984add4b0ab24869c30e19cfba3637ca295dd7b Found module libbrotlicommon.so.1 with build-id: 9e92a8ec2d9efe80ec86e04fba0549cd3202ebc4 Found module libicudata.so.69 with build-id: fae0a612a5535b81eaec823e8cedb06c89719d94 Found module libsystemd.so.0 with build-id: b61753e8440ecf39624b3e37f855941c18a69e9b Found module liblzma.so.5 with build-id: 7fec53ce7cba9489f130c99cfd3ace82e9dde0ee Found module libXau.so.6 with build-id: b6a2d4859848c28bf0a4fc8744d04b1935879af6 Found module libbrotlidec.so.1 with build-id: 57cb8a53e33f31a620f3739919414c0d00549f87 Found module libbz2.so.1 with build-id: 19ce300b78962ee0b113afb0f1016727a2f3c37b Found module libdatrie.so.1 with build-id: 9ebd99e63729783155e081cc2c2377a767b9e3c4 Found module libpcre2-8.so.0 with build-id: 67d78ee981939e51fee33d8885ff8000552e7a3d Found module libblkid.so.1 with build-id: 0d23bd02d1ed06df97832d78f7ff38d617ac29d9 Found module libjson-glib-1.0.so.0 with build-id: ff150bb944b7d341fb33c367b230a0c005ac1833 Found module libsqlite3.so.0 with build-id: 072b1e135c03359061ea9c8346cdb61528950924 Found module libicui18n.so.69 with build-id: 96cea623123108e425250a0c59fa6221e96cadb2 Found module libicuuc.so.69 with build-id: 45119735453983eea1a3fb59b0ed34a6e61d8c5a Found module libstemmer.so.0 with build-id: c36e99b36673aac08c24a26a9c71ce82938c62f7 Found module libatspi.so.0 with build-id: 93de58828b176bf6eb76897e1cb2e576a1d5fddf Found module libdbus-1.so.3 with build-id: a8d9a4e12c86b445bf8e5785702ff3fbe9f2ab5f Found module libjpeg.so.62 with build-id: f50d5361714c8fe58ed898123a98aa0d6547068e Found module libxml2.so.2 with build-id: 7f7c4a4c85206200336c641203ee60c41e6b7231 Found module libXrender.so.1 with build-id: 45e135fd2ee2393b7eb0c94f964542b8326582e1 Found module libxcb-render.so.0 with build-id: 36edcc5980076552c68ccef2c6199808cba68f98 Found module libxcb.so.1 with build-id: 1352e33391b3079347f320218799d6e531bd42f1 Found module libxcb-shm.so.0 with build-id: a31877f8ca8058df0005532a160d93a1104c5401 Found module libpng16.so.16 with build-id: afcd45d29b0d579615db44a29213544328adde6f Found module libpixman-1.so.0 with build-id: dc521afa5e1d55834eebac7bb3c97cfe5e73f384 Found module libgraphite2.so.3 with build-id: 58f949a538f65a6221e442879144b368f663f7e3 Found module libfreetype.so.6 with build-id: 9999d5d839e4c66f038202b9c706f5ac7c17c593 Found module libthai.so.0 with build-id: 1f7b46f526e1fba04f29535981483f50c782775e Found module libselinux.so.1 with build-id: f805394f993c704b949315b56c344d22dfad801f Found module libmount.so.1 with build-id: dac49fdb6963d60e2706cfacd2f2f5c0773ab008 Found module libz.so.1 with build-id: 5903f5c355c264403e4e7cdc66779584425ca3b8 Found module libffi.so.6 with build-id: 0129f72b58e11d59546f7f207d2c90af7ebd9a5e Found module libpcre.so.1 with build-id: fcbdb4731e50f20a47b62341a6841dd616fe495d Found module libXinerama.so.1 with build-id: 72d169302fe5696536345d6da1605baeb6e3bc01 Found module libXrandr.so.2 with build-id: eb8b304d315d3ee09980cafe7ceda9582daa40e8 Found module libXcomposite.so.1 with build-id: 4223e166fff31d2e529cc5f856c7100fbdf67cd9 Found module libXdamage.so.1 with build-id: 7ad2a44d600f984d1728b624701f5d41bba04067 Found module libXcursor.so.1 with build-id: fb3d6eb4c582d4761eab821bc0ceb77fc7c2654f Found module libXext.so.6 with build-id: 08e82aa07cb7910a08d8386fb16de7896ce290f4 Found module libwayland-egl.so.1 with build-id: 31b8ddb292db5c316dba5680c539d60cad8d1ef1 Found module libwayland-cursor.so.0 with build-id: a9f4f6f6cb31969ace3109f9f52986440afebe86 Found module libxkbcommon.so.0 with build-id: 534d0218e01a780844e80ce6544afc33731e716a Found module libXfixes.so.3 with build-id: e8020da14577d275b75ed0c4cb18b1050fc33595 Found module libwayland-client.so.0 with build-id: 065b76d2d7bdb2d05169462732b1ffe0e44ddd3c Found module libtracker-sparql-3.0.so.0 with build-id: 0f5c589b707376d06aefe8ab2bfe8c05f32198d9 Found module libcloudproviders.so.0 with build-id: 5b10ee7ce7470f15b8429030cf810e671a185de5 Found module libatk-bridge-2.0.so.0 with build-id: 8df66b2fcb2033cdad8e26a3ad13ad7f3cdf4144 Found module libX11.so.6 with build-id: b63e8f330442522b1d5872d1b2ccf32702767d80 Found module libXi.so.6 with build-id: e1d4fcbcab03948da50a0e175ac2459c335e7939 Found module libepoxy.so.0 with build-id: f368f1c90cf2ea823acc67473f816e72f368bc43 Found module libatk-1.0.so.0 with build-id: b3d190657efe01bedd3077177d2bd473b7b737df Found module libgdk_pixbuf-2.0.so.0 with build-id: b6e5e7c59ce90aecabf6b0b005ecd138dd6bae45 Found module libcairo-gobject.so.2 with build-id: 7a1381e606b2601e779ccd25afbc719c5bc4e922 Found module libfribidi.so.0 with build-id: a4e245984a5c2e6d842a71adea32ec7c05cb7e40 Found module libfontconfig.so.1 with build-id: 208a8e4c2c3f7bca94e1ff3b5002ef084322a70f Found module libpangoft2-1.0.so.0 with build-id: 8a2787ba1addef0da844b000c3537c8fc33785b8 Found module libcairo.so.2 with build-id: 8a28f43397104b4ef517df6c119772b5d577f48e Found module libharfbuzz.so.0 with build-id: 781c6377efbcd3ca2e7d238dc8c0e7401708d142 Found module libpango-1.0.so.0 with build-id: 6d1029ef5e765e1fceb8ff057a1880f883037f71 Found module libpangocairo-1.0.so.0 with build-id: d410f48f069e60633f232cccc8423ad326ebbf22 Found module libgio-2.0.so.0 with build-id: 885a350082fb5150c77466144c54897321e3a93d Found module libgobject-2.0.so.0 with build-id: 9442204a99e355e956cc3f8a1862527294972b36 Found module libglib-2.0.so.0 with build-id: bd0f95869104fa48a76bc69569db926805203da4 Found module libgmodule-2.0.so.0 with build-id: daced268f49ec62d46980a053582bcc234526fc0 Found module libgdk-3.so.0 with build-id: bf4963d3c7111f67ea984ed6d069dc0d79bf2ecf Found module libgtk-3.so.0 with build-id: 8e15118e9bb3114b002a98ed06450c75667e689f Found module libmozgtk.so with build-id: e9c4ac64809a59c08a28a700e8554e920e8cfb33 Found module libmozsqlite3.so with build-id: 34f745ee53bef9bff88ac7f28a94a9cd23cb41ae Found module liblgpllibs.so with build-id: 401ae8298da582f62f1876dccf8a02bf7600cf4f Found module libnspr4.so with build-id: 0056e405d4917627cd6c826f6460b308392d00cd Found module libplc4.so with build-id: b4395d28ec432fbfd596d6acce1b0a693074d739 Found module libplds4.so with build-id: 0eda07de4f4a79f8a477841b1288edc47db3539d Found module ld-linux-x86-64.so.2 with build-id: 0414018caaea84ae28b5cac3374e2de68eaeecf8 Found module libc.so.6 with build-id: 6d847f497e836e0c0db41da9b27e2527e6e85f74 Found module libgcc_s.so.1 with build-id: 0028b8616fa79ea1496e4812c3fc9c7bf9607a56 Found module libm.so.6 with build-id: 1586854d78f3048d2f112e36b97e6db246b60fa0 Found module libstdc++.so.6 with build-id: 455be2588680c3ff57e3a7defe212a13e2efdbd1 Found module libmozsandbox.so with build-id: d93cf34f1e110c62e5f10092d47a54e7f404e554 Found module firefox with build-id: ddcac6baf41ae8c522fee543e930efd7c5bd1aff Stack trace of thread 127715: #0 0x00007f5da062a62d __nss_lookup (libc.so.6 + 0x13b62d) #1 0x00007f5da05cb655 getpwuid_r@@GLIBC_2.2.5 (libc.so.6 + 0xdc655) #2 0x00007f5d8d56ca5f disk_cache_generate_cache_dir (radeonsi_drv_video.so + 0x590a5f) #3 0x00007f5d8d56b449 disk_cache_create (radeonsi_drv_video.so + 0x58f449) #4 0x00007f5d8d350ec8 si_disk_cache_create (radeonsi_drv_video.so + 0x374ec8) #5 0x00007f5d8d352e76 radeonsi_screen_create_impl (radeonsi_drv_video.so + 0x376e76) #6 0x00007f5d8d3d1ad6 amdgpu_winsys_create (radeonsi_drv_video.so + 0x3f5ad6) #7 0x00007f5d8d353bc2 radeonsi_screen_create (radeonsi_drv_video.so + 0x377bc2) #8 0x00007f5d8d151d5b pipe_radeonsi_create_screen (radeonsi_drv_video.so + 0x175d5b) #9 0x00007f5d8d21f55f pipe_loader_create_screen_vk (radeonsi_drv_video.so + 0x24355f) #10 0x00007f5d8d160efa vl_drm_screen_create (radeonsi_drv_video.so + 0x184efa) #11 0x00007f5d8d153858 __vaDriverInit_1_13 (radeonsi_drv_video.so + 0x177858) #12 0x00007f5d937393fc va_openDriver (libva.so.2 + 0x43fc) #13 0x00007f5d9373edc6 vaInitialize (libva.so.2 + 0x9dc6) #14 0x00007f5d956a531d _ZN7mozilla18FFmpegVideoDecoderILi58EE24CreateVAAPIDeviceContextEv (libxul.so + 0x1b4a31d) #15 0x00007f5d956a6d23 _ZN7mozilla18FFmpegVideoDecoderILi58EE16InitVAAPIDecoderEv (libxul.so + 0x1b4bd23) #16 0x00007f5d956a90da _ZN7mozilla18FFmpegVideoDecoderILi58EE4InitEv (libxul.so + 0x1b4e0da) #17 0x00007f5d972610cf _ZN7mozilla6detail21ProxyFunctionRunnableIZNS_21MediaDataDecoderProxy4InitEvEUlvE_NS_10MozPromiseINS_9TrackInfo9TrackTypeENS_11MediaResultELb1EEEE3RunEv (libxul.so + 0x37060cf) #18 0x00007f5d96a89759 _ZN7mozilla9TaskQueue6Runner3RunEv (libxul.so + 0x2f2e759) #19 0x00007f5d96a8945e _ZN12nsThreadPool3RunEv (libxul.so + 0x2f2e45e) #20 0x00007f5d96836f94 _ZN8nsThread16ProcessNextEventEbPb (libxul.so + 0x2cdbf94) #21 0x00007f5d96836a30 _Z19NS_ProcessNextEventP9nsIThreadb (libxul.so + 0x2cdba30) #22 0x00007f5d96852d1b _ZN7mozilla3ipc28MessagePumpForNonMainThreads3RunEPN4base11MessagePump8DelegateE (libxul.so + 0x2cf7d1b) #23 0x00007f5d96c13f9c _ZN11MessageLoop3RunEv (libxul.so + 0x30b8f9c) #24 0x00007f5d96a87e25 _ZN8nsThread10ThreadFuncEPv (libxul.so + 0x2f2ce25) #25 0x00007f5da04ca524 _pt_root (libnspr4.so + 0x2c524) #26 0x000056399685ec6a _Z30set_alt_signal_stack_and_startP19PthreadCreateParams (firefox + 0x72c6a) #27 0x00007f5da057cb1a start_thread (libc.so.6 + 0x8db1a) #28 0x00007f5da06008e4 __clone (libc.so.6 + 0x1118e4) Stack trace of thread 127716: #0 0x00007f5da057973a __futex_abstimed_wait_common (libc.so.6 + 0x8a73a) #1 0x00007f5da057beb0 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8ceb0) #2 0x00007f5d8d574a0b util_queue_thread_func (radeonsi_drv_video.so + 0x598a0b) #3 0x00007f5d8d57465b impl_thrd_routine (radeonsi_drv_video.so + 0x59865b) #4 0x000056399685ec6a _Z30set_alt_signal_stack_and_startP19PthreadCreateParams (firefox + 0x72c6a) #5 0x00007f5da057cb1a start_thread (libc.so.6 + 0x8db1a) #6 0x00007f5da06008e4 __clone (libc.so.6 + 0x1118e4) Stack trace of thread 127714: #0 0x00007f5da057973a __futex_abstimed_wait_common (libc.so.6 + 0x8a73a) #1 0x00007f5da057c1b4 pthread_cond_timedwait@@GLIBC_2.3.2 (libc.so.6 + 0x8d1b4) #2 0x0000563996839599 _ZN7mozilla6detail21ConditionVariableImpl8wait_forERNS0_9MutexImplERKNS_16BaseTimeDurationINS_27TimeDurationValueCalculatorEEE (firefox + 0x4d599) #3 0x00007f5d96a88749 _ZN7mozilla18OffTheBooksCondVar4WaitENS_16BaseTimeDurationINS_27TimeDurationValueCalculatorEEE (libxul.so + 0x2f2d749) #4 0x00007f5d96a8939b _ZN12nsThreadPool3RunEv (libxul.so + 0x2f2e39b) #5 0x00007f5d96836f94 _ZN8nsThread16ProcessNextEventEbPb (libxul.so + 0x2cdbf94) #6 0x00007f5d96836a30 _Z19NS_ProcessNextEventP9nsIThreadb (libxul.so + 0x2cdba30) #7 0x00007f5d96852d1b _ZN7mozilla3ipc28MessagePumpForNonMainThreads3RunEPN4base11MessagePump8DelegateE (libxul.so + 0x2cf7d1b) #8 0x00007f5d96c13f9c _ZN11MessageLoop3RunEv (libxul.so + 0x30b8f9c) #9 0x00007f5d96a87e25 _ZN8nsThread10ThreadFuncEPv (libxul.so + 0x2f2ce25) #10 0x00007f5da04ca524 _pt_root (libnspr4.so + 0x2c524) #11 0x000056399685ec6a _Z30set_alt_signal_stack_and_startP19PthreadCreateParams (firefox + 0x72c6a) #12 0x00007f5da057cb1a start_thread (libc.so.6 + 0x8db1a) #13 0x00007f5da06008e4 __clone (libc.so.6 + 0x1118e4) Stack trace of thread 127711: #0 0x00007f5da05f9ecd syscall (libc.so.6 + 0x10aecd) #1 0x00007f5d9684fbfe epoll_wait (libxul.so + 0x2cf4bfe) #2 0x00007f5d9684f447 event_base_loop (libxul.so + 0x2cf4447) #3 0x00007f5d968481d6 _ZN4base19MessagePumpLibevent3RunEPNS_11MessagePump8DelegateE (libxul.so + 0x2ced1d6) #4 0x00007f5d96c13f9c _ZN11MessageLoop3RunEv (libxul.so + 0x30b8f9c) #5 0x00007f5d96c18ddd _ZN4base6Thread10ThreadMainEv (libxul.so + 0x30bdddd) #6 0x00007f5d96c1379b _ZL10ThreadFuncPv (libxul.so + 0x30b879b) #7 0x000056399685ec6a _Z30set_alt_signal_stack_and_startP19PthreadCreateParams (firefox + 0x72c6a) #8 0x00007f5da057cb1a start_thread (libc.so.6 + 0x8db1a) #9 0x00007f5da0601650 __clone3 (libc.so.6 + 0x112650) Stack trace of thread 127707: #0 0x00007f5da05f479f __poll (libc.so.6 + 0x10579f) #1 0x00007f5d968d1e40 _ZL11PollWrapperP8_GPollFDji (libxul.so + 0x2d76e40) #2 0x00007f5d9ef3923c g_main_context_iterate.constprop.0 (libglib-2.0.so.0 + 0xaa23c) #3 0x00007f5d9eee1853 g_main_context_iteration (libglib-2.0.so.0 + 0x52853) #4 0x00007f5d968d1d34 _ZN10nsAppShell22ProcessNextNativeEventEb (libxul.so + 0x2d76d34) #5 0x00007f5d974684f3 _ZThn8_N14nsBaseAppShell18OnProcessNextEventEP17nsIThreadInternalb (libxul.so + 0x390d4f3) #6 0x00007f5d96836b88 _ZN8nsThread16ProcessNextEventEbPb (libxul.so + 0x2cdbb88) #7 0x00007f5d96836a30 _Z19NS_ProcessNextEventP9nsIThreadb (libxul.so + 0x2cdba30) #8 0x00007f5d96852bf0 _ZN7mozilla3ipc11MessagePump3RunEPN4base11MessagePump8DelegateE (libxul.so + 0x2cf7bf0) #9 0x00007f5d96c13f9c _ZN11MessageLoop3RunEv (libxul.so + 0x30b8f9c) #10 0x00007f5d97461ebd _ZN14nsBaseAppShell3RunEv (libxul.so + 0x3906ebd) #11 0x00007f5d978a035b _Z15XRE_RunAppShellv (libxul.so + 0x3d4535b) #12 0x00007f5d96c13f9c _ZN11MessageLoop3RunEv (libxul.so + 0x30b8f9c) #13 0x00007f5d978a00ac _Z20XRE_InitChildProcessiPPcPK12XREChildData (libxul.so + 0x3d450ac) #14 0x000056399683fabf _Z20content_process_mainPN7mozilla9BootstrapEiPPc (firefox + 0x53abf) #15 0x0000563996832bc5 main (firefox + 0x46bc5) #16 0x00007f5da051c560 __libc_start_call_main (libc.so.6 + 0x2d560) #17 0x00007f5da051c60c __libc_start_main@@GLIBC_2.34 (libc.so.6 + 0x2d60c) #18 0x000056399683f6c5 _start (firefox + 0x536c5) Stack trace of thread 127713: #0 0x00007f5da057973a __futex_abstimed_wait_common (libc.so.6 + 0x8a73a) #1 0x00007f5da057beb0 pthread_cond_wait@@GLIBC_2.3.2 (libc.so.6 + 0x8ceb0) #2 0x000056399683944b _ZN7mozilla6detail21ConditionVariableImpl4waitERNS0_9MutexImplE (firefox + 0x4d44b) #3 0x00007f5d9683759c _ZN8nsThread16ProcessNextEventEbPb (libxul.so + 0x2cdc59c) #4 0x00007f5d96836a30 _Z19NS_ProcessNextEventP9nsIThreadb (libxul.so + 0x2cdba30) #5 0x00007f5d96852d11 _ZN7mozilla3ipc28MessagePumpForNonMainThreads3RunEPN4base11MessagePump8DelegateE (libxul.so + 0x2cf7d11) #6 0x00007f5d96c13f9c _ZN11MessageLoop3RunEv (libxul.so + 0x30b8f9c) #7 0x00007f5d96a87e25 _ZN8nsThread10ThreadFuncEPv (libxul.so + 0x2f2ce25) #8 0x00007f5da04ca524 _pt_root (libnspr4.so + 0x2c524) #9 0x000056399685ec6a _Z30set_alt_signal_stack_and_startP19PthreadCreateParams (firefox + 0x72c6a) #10 0x00007f5da057cb1a start_thread (libc.so.6 + 0x8db1a) #11 0x00007f5da06008e4 __clone (libc.so.6 + 0x1118e4) Mar 12 15:18:52 morse audit[1]: SERVICE_START pid=1 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:init_t:s0 msg='unit=systemd-coredump@487-127717-0 comm="systemd" exe="/usr/lib/systemd/systemd" hostname=? addr=? terminal=? res=success' Mar 12 15:18:52 morse systemd[1]: Started Process Core Dump (PID 127717/UID 0).
AFAIS, this seems to be or least is related to: https://bugzilla.mozilla.org/show_bug.cgi?id=1751363 At least, setting MOZ_DISABLE_RDD_SANDBOX=1 seems to help for me.
Yes, see https://fedoraproject.org/wiki/Firefox_Hardware_acceleration#Firefox_98_and_later for details. Moving upstream as we're not going to patch that on Fedora level.