(In reply to Julien Cristau [:jcristau] from comment #21) > Do we know when/why this started? Any idea how many users may have been > affected, and why?
I think the code that triggers this deadlock was in bug 1325341 (since the lock is `mRCWNLock`), so it has been there for years. I think it's probably some recent changes that change the thread timings and make this deadlock happen more often. Unfortunately, I can't tell how many users are affected, since it's all about timing to hit this. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1914147 Title: [upstream] Firefox 85 hangs at startup To manage notifications about this bug go to: https://bugs.launchpad.net/firefox/+bug/1914147/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs