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https://bugs.freedesktop.org/show_bug.cgi?id=1773
------- Additional Comments From [EMAIL PROTECTED] 2004-11-29 10:48 -------
(In reply to comment #7)
> > I tried and it still locks up.
>
> Yes it still locks up and from strace I can see it loops forever.
It's probably trying to getting a free buffer or something, and it will never
get this if the gpu has locked up :(.
> What steps I need to do in order to debug it more precisly ?
You could try enabling debugging in the kernel module and then try to see at
which point the gpu stops to respond (not easy).
I'm really at a loss what's wrong. The problem only seems to affect 7500 cards.
It works just fine with 7200 cards. That's really strange as the difference
between 7500 and 7200 cards is almost zero, apart that the chip is built on a
smaller process (on the top of my head, I can remember that the 7500 has the
display controller of the 7000 (i.e. two heads), was rumoured to have a
different memory controller, and the cards also have asynchronous memory/core
clocks, which were reported to be very problematic (slower and/or lockups) with
7200 cards when people tried that. Oh and the 7500 has a fixed stencil
buffer...). None of those changes should make a difference with regard to the 3d
driver. Unless the asynchronous clock problems weren't actually fixed with the
7500, but require driver workarounds (but it seems strange that the lockups
would now suddenly be triggered by the new emit code imho).
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