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tapchicoma
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PostPosted: Fri Mar 05, 2021 12:43 pm    Post subject: Firefox 86 fails to play any video Reply with quote

After updating to Firefox 86 - it fails to play any video.

dmesg output has a lot of following messages:
Code:

[92413.623157] MediaPD~oder #2[16222]: segfault at 7f24e05ac5d0 ip 00007f24efb419cd sp 00007f24e05ac5d0 error 6 in libxul.so[7f24ed0aa000+4e1a000]
[92413.623164] Code: 00 00 00 4c 01 b5 68 ff ff ff 4c 01 b5 60 ff ff ff 48 63 c1 48 89 e7 48 01 c0 48 83 c0 0f 48 83 e0 f0 48 29 c7 48 39 e7 7c 14 <48> c7 04 24 00 00 00 00 48 81 ec 00 10 00 00 48 39 e7 7d ec 48 89
[92413.700085] MediaPD~oder #2[16236]: segfault at 7fa29206b5d0 ip 00007fa2a15f09cd sp 00007fa29206b5d0 error 6 in libxul.so[7fa29eb59000+4e1a000]
[92413.700091] Code: 00 00 00 4c 01 b5 68 ff ff ff 4c 01 b5 60 ff ff ff 48 63 c1 48 89 e7 48 01 c0 48 83 c0 0f 48 83 e0 f0 48 29 c7 48 39 e7 7c 14 <48> c7 04 24 00 00 00 00 48 81 ec 00 10 00 00 48 39 e7 7d ec 48 89


I am suspecting that it is somehow related to vaapi, though when running
Code:
MOZ_X11_EGL=1 MOZ_LOG="PlatformDecoderModule:5" firefox 2>&1 | grep 'VA-API'

log contains only:
Code:

[RDD 16292: Main Thread]: D/PlatformDecoderModule VA-API FFmpeg is disabled by platform


Running firefox with gbd produces following message:
Code:

[Child 31220, MediaDecoderStateMachine #1] WARNING: Decoder=7fffb2430400 Decode error: NS_ERROR_DOM_MEDIA_FATAL_ERR (0x806e0005) - auto mozilla::MediaChangeMonitor::CreateDecoderAndInit(mozilla::MediaRawData *)::(anonymous class)::operator()()::(anonymous class)::operator()(const mozilla::MediaResult &) const: Unable to initialize decoder: file /var/tmp/portage/www-client/firefox-86.0/work/firefox-86.0/dom/media/MediaDecoderStateMachine.cpp:3474


Firefox use flags:
Code:

Installed versions:  86.0(0/86)(22:54:02 04.03.2021)(clang dbus gmp-autoupdate hwaccel openh264 pulseaudio screencast system-av1 system-harfbuzz system-icu system-jpeg system-libevent system-libvpx system-webp wayland wifi -debug -eme-free -geckodriver -hardened -jack -lto -pgo -selinux CPU_FLAGS_ARM="-neon" L10N="de ru -ach -af -an -ar -ast -az -be -bg -bn -br -bs -ca -ca-valencia -cak -cs -cy -da -dsb -el -en-CA -en-GB -eo -es-AR -es-CL -es-ES -es-MX -et -eu -fa -ff -fi -fr -fy -ga -gd -gl -gn -gu -he -hi -hr -hsb -hu -hy -ia -id -is -it -ja -ka -kab -kk -km -kn -ko -lij -lt -lv -mk -mr -ms -my -nb -ne -nl -nn -oc -pa -pl -pt-BR -pt-PT -rm -ro -si -sk -sl -son -sq -sr -sv -ta -te -th -tl -tr -trs -uk -ur -uz -vi -xh -zh-CN -zh-TW")


Could someone help me to fix it?
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tapchicoma
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PostPosted: Sat Mar 06, 2021 1:34 pm    Post subject: Reply with quote

Disabling 'system-av1' use flag fixed the issue.
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fedeliallalinea
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PostPosted: Sat Mar 06, 2021 2:26 pm    Post subject: Reply with quote

You should open new bug report
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tapchicoma
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PostPosted: Sat Mar 06, 2021 6:59 pm    Post subject: Reply with quote

Done:
https://bugs.gentoo.org/774513
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Perfect Gentleman
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PostPosted: Sun Mar 07, 2021 2:14 am    Post subject: Reply with quote

It seems they broke VA-API again.
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Whissi
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PostPosted: Sun Mar 07, 2021 11:05 pm    Post subject: Reply with quote

VA-API is broken for a few versions now, see https://bugzilla.mozilla.org/show_bug.cgi?id=1673184 but I doubt that this has anything to do with the reported problem.

I cannot reproduce the problem but I am on ~arch. Bundled dav1d version is 0.8.0.
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papu
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PostPosted: Mon Mar 08, 2021 12:44 am    Post subject: Reply with quote

i not have problems on my system.

ACCEPT_KEYWORDS="~amd64"

Code:
[ebuild   R    ] media-libs/dav1d-0.8.2:0/5::gentoo  USE="10bit 8bit asm" ABI_X86="32 (64) (-x32)" 0 KiB

[ebuild   R    ] x11-libs/libva-2.10.0:0/2::gentoo  USE="X drm opengl utils -vdpau wayland" ABI_X86="32 (64) (-x32)" VIDEO_CARDS="-i965 -intel -nouveau -nvidia" 474 KiB

[ebuild   R    ] www-client/firefox-86.0:0/86::gentoo  USE="clang dbus -debug -eme-free -geckodriver gmp-autoupdate -hardened -hwaccel -jack lto openh264 -pgo pulseaudio -screencast (-selinux) system-av1 system-harfbuzz system-icu system-jpeg system-libevent system-libvpx system-webp wayland -wifi" L10N="-ach -af -an -ar -ast -az -be -bg -bn -br -bs -ca -ca-valencia -cak -cs -cy -da -de -dsb -el -en-CA -en-GB -eo -es-AR -es-CL -es-ES -es-MX -et -eu -fa -ff -fi -fr -fy -ga -gd -gl -gn -gu -he -hi -hr -hsb -hu -hy -ia -id -is -it -ja -ka -kab -kk -km -kn -ko -lij -lt -lv -mk -mr -ms -my -nb -ne -nl -nn -oc -pa -pl -pt-BR -pt-PT -rm -ro -ru -si -sk -sl -son -sq -sr -sv -ta -te -th -tl -tr -trs -uk -ur -uz -vi -xh -zh-CN -zh-TW" 363.235 KiB

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