Multiple leaks detect in webkit_layout_tests on WebKit Linux Trusty Leak |
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Issue descriptionFiled by sheriff-o-matic@appspot.gserviceaccount.com on behalf of fdoray@chromium.org Builders failed on: - WebKit Linux Trusty Leak: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/WebKit%20Linux%20Trusty%20Leak First failed build: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/WebKit%20Linux%20Trusty%20Leak/28516 Unexpected Failures: * dom/legacy_dom_conformance/xhtml/level2/html/HTMLFrameElement05.xhtml * dom/legacy_dom_conformance/xhtml/level2/html/HTMLIFrameElement04.xhtml * editing/deleting/5115601.html * editing/deleting/delete_image.html * editing/deleting/delete_selection_contains_table_row.html * editing/execCommand/format-block-table.html * editing/execCommand/insertNewLineInQuotedContent-outside-quote.html * editing/execCommand/insert_paragraph/inside-div.html * editing/execCommand/remove-list-from-range-selection.html * editing/execCommand/switch-multiple-list-items-crash.html * editing/inserting/insert-composition-whitespace.html * editing/inserting/insert_between_block_quote.html * editing/inserting/typing-around-image-001.html * editing/selection/5131716-1.html * editing/selection/anchor-focus2.html * editing/selection/arrow_key_with_unfocused_selection.html * editing/selection/character-data-mutation.html * editing/selection/extend/extend_selection_02_rtl_backward_lineboundary.html * editing/selection/extend/extend_selection_03_ltr_forward_character.html * editing/selection/extend/extend_selection_03_rtl_left_word.html * editing/selection/extend/extend_selection_05_ltr_left_word.html * editing/selection/extend/extend_selection_05_rtl_right_character.html * editing/selection/extend/extend_selection_06_rtl_left_lineboundary.html * editing/selection/extend/extend_selection_07_ltr_backward_lineboundary.html * editing/selection/extend/extend_selection_08_rtl_right_character.html * editing/selection/extend/extend_selection_11_ltr_right_word.html * editing/selection/extend/extend_selection_11_rtl_left_word.html * editing/selection/extend/extend_selection_13_ltr_right_lineboundary.html * editing/selection/extend/extend_selection_13_ltr_right_word.html * editing/selection/extend/extend_selection_13_rtl_left_lineboundary.html * ... 114 more (144 total) ... Sample failure log: 09:52:02.776 30995 worker/7 dom/legacy_dom_conformance/xhtml/level2/html/HTMLIFrameElement04.xhtml leaked 09:52:02.778 30897 [3461/8581] dom/legacy_dom_conformance/xhtml/level2/html/HTMLIFrameElement04.xhtml failed unexpectedly (leak detected: ({"numberOfLiveDocuments":[1,2],"numberOfLiveFrames":[1,2],"numberOfLiveNodes":[4,12],"numberOfLiveResourceFetchers":[1,2],"numberOfLiveResources":[0,1]})) 09:52:02.777 30995 worker/7 dom/legacy_dom_conformance/xhtml/level2/html/HTMLIFrameElement04.xhtml failed: 09:52:02.777 30995 worker/7 leak detected: ({"numberOfLiveDocuments":[1,2],"numberOfLiveFrames":[1,2],"numberOfLiveNodes":[4,12],"numberOfLiveResourceFetchers":[1,2],"numberOfLiveResources":[0,1]}) (https://chromium-swarm.appspot.com/task?id=424763b29c1db610&refresh=10&show_raw=1)
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Jan 9
The revert of "Optimise TaskQueueSelector" fixed leaks in editing/* and dom/legacy_dom_conformance/* webkit_layout_tests. Revert: https://chromium-review.googlesource.com/c/chromium/src/+/1401190 Commit position: 620862 Build before: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/WebKit%20Linux%20Trusty%20Leak/28520 Build after: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/WebKit%20Linux%20Trusty%20Leak/28521
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Jan 9
This appears to be due to inadvertent task reordering. The per_priority_starvation_tolerance_ seems to be to blame.
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Jan 9
Curiously enough I can reproduce this problem with a ToT build if I comment out the kLowPriority queue starvation check in TaskQueueSelector::SelectWorkQueueToServiceImpl.
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Jan 10
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Comment 1 by fdoray@chromium.org
, Jan 8