Hey folks, I just noticed this bug so I'm not sure if this would be helpful since I'm late, but I did suffer of this bug a while back and was able to catch a profile of the aftermath. (Here's what I was able to get)[https://share.firefox.dev/3STQJu3]. I believe I was scrolling reddit and switched tab and my tab was dead when I came back to it. It was stuck in a weird `CreateEngineSession` Loop. Unfortunately I wasn't able to reproduce and profile what happened before hand.
Bug 1853107 Comment 38 Edit History
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Hey folks, I just noticed this bug so I'm not sure if this would be helpful since I'm late, but I did suffer of this bug a while back and was able to catch a profile of the aftermath. [Here's what I was able to get](https://share.firefox.dev/3STQJu3). I believe I was scrolling reddit and switched tab and my tab was dead when I came back to it. It was stuck in a weird `CreateEngineSession` Loop. Unfortunately I wasn't able to reproduce and profile what happened before hand.