"Fatal trace logic error - child cannot end after parent" #16419
Description
Seen on cnn.com
artifacts (too large to upload here): https://drive.google.com/file/d/1uKYclXCn3pIC2G8XeW9rylr0fgQg1bq8/view?usp=drive_link&resourcekey=0-6ZT4aLzL_ZjPBHCA-Kie6w
Error: Fatal trace logic error - child cannot end after parent
at MainThreadTasks._computeRecursiveSelfTime (file:///Users/cjamcl/src/lighthouse/core/lib/tracehouse/main-thread-tasks.js:411:13)
at file:///Users/cjamcl/src/lighthouse/core/lib/tracehouse/main-thread-tasks.js:415:37
at Array.map (<anonymous>)
at MainThreadTasks._computeRecursiveSelfTime (file:///Users/cjamcl/src/lighthouse/core/lib/tracehouse/main-thread-tasks.js:415:8)
at file:///Users/cjamcl/src/lighthouse/core/lib/tracehouse/main-thread-tasks.js:415:37
at Array.map (<anonymous>)
at MainThreadTasks._computeRecursiveSelfTime (file:///Users/cjamcl/src/lighthouse/core/lib/tracehouse/main-thread-tasks.js:415:8)
at file:///Users/cjamcl/src/lighthouse/core/lib/tracehouse/main-thread-tasks.js:415:37
at Array.map (<anonymous>)
at MainThreadTasks._computeRecursiveSelfTime (file:///Users/cjamcl/src/lighthouse/core/lib/tracehouse/main-thread-tasks.js:415:8)
task.event
{
args: {
data: {
contextType: "default",
frame: "D90A4C181D6B123AE39530B80ADA1E03",
frameType: "page",
isDefault: true,
isolate: 791638396297437300,
origin: "https://www.cnn.com",
scriptId: 52,
url: "https://www.cnn.com/",
v8context: "6EA119136A425248946B8A9E26DA5391",
},
},
cat: "disabled-by-default-devtools.target-rundown",
dur: 140449,
name: "ScriptCompiled",
ph: "X",
pid: 21241,
tdur: 139884,
tid: 18729056,
ts: 181415935839,
tts: 1275591,
}
parent.event
{
args: {
data: {
columnNumber: 34,
frame: "D90A4C181D6B123AE39530B80ADA1E03",
lineNumber: 14304,
sampleTraceId: 8822623432508724,
url: "https://www.cnn.com/",
},
},
cat: "devtools.timeline",
dur: 173641,
name: "EvaluateScript",
ph: "X",
pid: 21241,
tdur: 173005,
tid: 18729056,
ts: 181415902647,
tts: 1242470,
}