Bugzilla

(In reply to Kershaw Chang [:kershaw] from comment #22)
> (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 affect 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.

(In reply to Kershaw Chang [:kershaw] from comment #22)
> (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 affect 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.