I occasionally crash opening the mail three-pane window. I'll attach a stack trace (which shows the crash to be somewhere deep in the bowels of the outliner's style cache). As best I can tell, I crash when I have new mail messages. (The crash occurs immediately after the `ding' that lets me know that...I've got mail!) I looked at the skidmarks for a while, and it looks to me that StyleSetImpl::ResolvePseudoStyleFor() has itself a bad rules array from EnsureArray() (the vtable appears to point to garbage, and I crash calling through a pointer to 0x4). Maybe someone is Release()'ing it in WalkRuleProcessors()?

This is what I found- Modern skin, With today's build 3-4 (not yesterday's 3-3), I crash on winme & mac and after exiting the app only if I have messages displayed in the thread pane. 1. All accounts collapsed (no auto login on startup), Thread pane has Account Central-File|Exit=no crash 2. IMAP and POP accounts collapsed (no auto login on startup), Local Folders expanded, Thread pane has Account Central-File|Exit=no crash 3. IMAP and POP accounts collapsed (no auto login on startup), Local Folders expanded, select folder to display messsage in Thread pane, File|Exit=CRASH With Linux, I crash sometimes in scenarios 1 & 2 but not all the time. In scenario 3 linux crashes all the time. Waiting for talkback reports.

I just commented in 74735, but it sounds like this bug has more details. I crashed a couple of times doing this today using 200104040 on Win 2000.

*** Bug 74735 has been marked as a duplicate of this bug. ***

this is now a smoketest blocker as I'm marking a smoketest blocker I have as a dup of this one. Adding the keywords to reflect that.

*** Bug 74997 has been marked as a duplicate of this bug. ***

The outliner is causing the ViewManager to recursively paint ... which isn't supported. If I skip over the mOutlinerWidget->Scroll() call in the debugger, in nsOutlinerBodyFrame::ScrollInternal(), while my INBOX is loading, I don't crash and mail comes up fine.

I'm still coming up to speed on this bug. but I recently made the thread pane scroll to the first new message when you load a folder. is that change exposing causing this crash?

I originally got around this crash by deleting mozreg/dat files and trying again. I am now back to crashing right after hitting enter in the password dialog. http://cyclone/reports/incidenttemplate.CFM?reportID=124&style=0&tc=3&cp=1&ck1=S User+email+address&cd1=%25kerz%40netscape%2Ecom%25&co1=like&bbid=28760176 is my Talkback incident url, if it helps at all.

So I just tried a patch from sspitzer that disables the mail code that scrolls to the new message. That doesn't stop the crash. I think the problem here is that during a paint, the outliner invalidates it's scrollbar which causes the maxpos attribute to be set, triggering a scroll that does a synchronous paint. If we have to adjust the maxpos during the invalidation, we should probably tell ViewManager that we want an asynchronous paint during the scroll so that we don't re-enter the ViewManager. In any case I think this is a bug hyatt should look into.

*** This bug has been marked as a duplicate of 74997 ***

verified dup

*** Bug 74988 has been marked as a duplicate of this bug. ***