475537 - Crash reporter doesn't catch crash in video mmx/sse code

Status: RESOLVED INCOMPLETE

(Toolkit :: Crash Reporting, defect)

Description

[Jeff Muizelaar [:jrmuizel]]

The build here (http://ftp.mozilla.org/pub/mozilla.org/firefox/nightly/2009-01-25-03-mozilla-central/firefox-3.2a1pre.en-US.win32.installer.exe) crashes when trying to play video but doesn't show the crash reporter.

It could be because video is decoded on a different thread?

Comment 1

[(not currently active) Ted Mielczarek]

Can you link to a page/video that shows this problem?

Comment 2

[Benjamin Smedberg]

We catch off-thread crashes. There are some cases where CRT functions throw uncatchable errors, however. It would be good to see what's going on in this specific case.

Comment 3

[Jeff Muizelaar [:jrmuizel]]

http://www.double.co.nz/video_test/test4.html causes the crash for me.

Comment 4

[Jeff Muizelaar [:jrmuizel]]

The crash is in ox_frag_recon_inter_mmx() and is caused by loading a bad stack pointer. i.e. esp = 0xfffffe00 and then 'pop'ing

Comment 5

[Wayne Mery (:wsmwk)]

Ted, is there any hope for this one?

Comment 6

[(not currently active) Ted Mielczarek]

I have no idea. If it's a reproducible crash, then it's possible we can figure out what's going wrong and fix it.

Comment 7

[Wayne Mery (:wsmwk)]

Ted, reporter (Jeff) says it's not reproducible..

Comment 8

[(not currently active) Ted Mielczarek]

Feel free to reopen if we get more info.