178819 2017-10-25 11:40:24 -0700 [MSE][GStreamer] Fix hang on clearing/destroying AppendPipeline 2017-11-15 12:45:25 -0800 1 1 1 Unclassified WebKit Media WebKit Local Build Unspecified Unspecified RESOLVED FIXED InRadar P2 Normal --- 1 eocanha eocanha calvaris commit-queue webkit-bug-importer oldest_to_newest 1364349 0 eocanha 2017-10-25 11:40:24 -0700 A deadlock may occur when UI thread tries to clear pipeline in AppendPipeline::clearPlayerPrivate() while parser thread tries to change pipeline state to pause holding the stream lock in AppendPipeline::connectDemuxerSrcPadToAppsinkFromAnyThread(). This issue has been fixed downstream in https://github.com/WebPlatformForEmbedded/WPEWebKit/pull/392 1364354 1 324859 eocanha 2017-10-25 11:45:43 -0700 Created attachment 324859 Patch 1364758 2 324859 commit-queue 2017-10-26 03:31:42 -0700 Comment on attachment 324859 Patch Clearing flags on attachment: 324859 Committed r224012: <https://trac.webkit.org/changeset/224012> 1364759 3 commit-queue 2017-10-26 03:31:44 -0700 All reviewed patches have been landed. Closing bug. 1372240 4 webkit-bug-importer 2017-11-15 12:45:25 -0800 <rdar://problem/35568087> 324859 2017-10-25 11:45:43 -0700 2017-10-26 03:31:42 -0700 Patch bug-178819-20171025184541.patch text/plain 1975 eocanha U3VidmVyc2lvbiBSZXZpc2lvbjogMjIyOTcyCmRpZmYgLS1naXQgYS9Tb3VyY2UvV2ViQ29yZS9D aGFuZ2VMb2cgYi9Tb3VyY2UvV2ViQ29yZS9DaGFuZ2VMb2cKaW5kZXggMzk2NTU4M2RiNDE1YTU2 ZWE5MGU4YWZhZDllYzg3ZDY5ODc3NWRmMC4uZDI4MTQ1ZDQ2ZDQ0Zjg4M2U1ODcyMGJiY2Y1ZTY2 NzVjOTkyODBiMSAxMDA2NDQKLS0tIGEvU291cmNlL1dlYkNvcmUvQ2hhbmdlTG9nCisrKyBiL1Nv dXJjZS9XZWJDb3JlL0NoYW5nZUxvZwpAQCAtMSwzICsxLDIxIEBACisyMDE3LTEwLTI1ICBFbnJp cXVlIE9jYcOxYSBHb256w6FsZXogIDxlb2NhbmhhQGlnYWxpYS5jb20+CisKKyAgICAgICAgW01T RV1bR1N0cmVhbWVyXSBGaXggaGFuZyBvbiBjbGVhcmluZy9kZXN0cm95aW5nIEFwcGVuZFBpcGVs aW5lCisgICAgICAgIGh0dHBzOi8vYnVncy53ZWJraXQub3JnL3Nob3dfYnVnLmNnaT9pZD0xNzg4 MTkKKworICAgICAgICBSZXZpZXdlZCBieSBOT0JPRFkgKE9PUFMhKS4KKworICAgICAgICBUaGUg ZGVhZGxvY2sgbWF5IG9jY3VyIHdoZW4gVUkgdGhyZWFkIHRyaWVzIHRvIGNsZWFyIHBpcGVsaW5l IGluCisgICAgICAgIEFwcGVuZFBpcGVsaW5lOjpjbGVhclBsYXllclByaXZhdGUoKSB3aGlsZSBw YXJzZXIgdGhyZWFkIHRyaWVzIHRvIGNoYW5nZQorICAgICAgICBwaXBlbGluZSBzdGF0ZSB0byBw YXVzZSBob2xkaW5nIHRoZSBzdHJlYW0gbG9jayBpbgorICAgICAgICBBcHBlbmRQaXBlbGluZTo6 Y29ubmVjdERlbXV4ZXJTcmNQYWRUb0FwcHNpbmtGcm9tQW55VGhyZWFkKCkKKworICAgICAgICBU aGlzIHBhdGNoIGlzIGF1dGhvcmVkIGJ5IEV1Z2VuZSBNdXRhdmNoaSA8SWV2Z2VuX011dGF2Y2hp QGNvbWNhc3QuY29tPgorCisgICAgICAgICogcGxhdGZvcm0vZ3JhcGhpY3MvZ3N0cmVhbWVyL21z ZS9BcHBlbmRQaXBlbGluZS5jcHA6CisgICAgICAgIChXZWJDb3JlOjpBcHBlbmRQaXBlbGluZTo6 Y29ubmVjdERlbXV4ZXJTcmNQYWRUb0FwcHNpbmtGcm9tQW55VGhyZWFkKToKKyAgICAgICAgUmV0 dXJuIGlmIHRoZXJlJ3Mgbm8gcGxheWVyIHByaXZhdGUuCisKIDIwMTctMTAtMDYgIEVucmlxdWUg T2Nhw7FhIEdvbnrDoWxleiAgPGVvY2FuaGFAaWdhbGlhLmNvbT4KIAogICAgICAgICBbR1N0cmVh bWVyXVtNU0VdIExpa2VseSByYWNlIGNvbmRpdGlvbiBjYXVzZXMgV1RGOjpEZXF1ZSB0byBjcmFz aCBvbiBkZWJ1ZwpkaWZmIC0tZ2l0IGEvU291cmNlL1dlYkNvcmUvcGxhdGZvcm0vZ3JhcGhpY3Mv Z3N0cmVhbWVyL21zZS9BcHBlbmRQaXBlbGluZS5jcHAgYi9Tb3VyY2UvV2ViQ29yZS9wbGF0Zm9y bS9ncmFwaGljcy9nc3RyZWFtZXIvbXNlL0FwcGVuZFBpcGVsaW5lLmNwcAppbmRleCBiZDY0ODk4 NjFiNGFlNDdjZjY2ZmI0ZGM0ZjRjNzc3NGU1Y2JjYTgyLi4wZDcyMzcyMDc5OWQzMDY5NjM4MjZi MTJlMWJiZTRiMDU2YjViYTg0IDEwMDY0NAotLS0gYS9Tb3VyY2UvV2ViQ29yZS9wbGF0Zm9ybS9n cmFwaGljcy9nc3RyZWFtZXIvbXNlL0FwcGVuZFBpcGVsaW5lLmNwcAorKysgYi9Tb3VyY2UvV2Vi Q29yZS9wbGF0Zm9ybS9ncmFwaGljcy9nc3RyZWFtZXIvbXNlL0FwcGVuZFBpcGVsaW5lLmNwcApA QCAtOTYwLDYgKzk2MCw5IEBAIHZvaWQgQXBwZW5kUGlwZWxpbmU6OmNvbm5lY3REZW11eGVyU3Jj UGFkVG9BcHBzaW5rRnJvbUFueVRocmVhZChHc3RQYWQqIGRlbXV4ZXJTCiAgICAgICAgIEdTVF9U UkFDRSgiZGVtdXhlci1jb25uZWN0LXRvLWFwcHNpbmsgbWVzc2FnZSBwb3N0ZWQgdG8gYnVzIik7 CiAKICAgICAgICAgbV9wYWRBZGRSZW1vdmVDb25kaXRpb24ud2FpdChtX3BhZEFkZFJlbW92ZUxv Y2spOworCisgICAgICAgIGlmICghbV9wbGF5ZXJQcml2YXRlKQorICAgICAgICAgICAgcmV0dXJu OwogICAgIH0KIAogICAgIC8vIE11c3QgYmUgZG9uZSBpbiB0aGUgdGhyZWFkIHdlIHdlcmUgY2Fs bGVkIGZyb20gKHVzdWFsbHkgc3RyZWFtaW5nIHRocmVhZCkuCg==