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https://bugs.freedesktop.org/show_bug.cgi?id=6534
------- Additional Comments From [EMAIL PROTECTED] 2006-04-10 07:42 -------
(In reply to comment #7)
> Hmmm. Fair enough. But I reinserted the patch last night and just now, 14
> hours
> later, it crashed. There's no mistaking it, this IS the patch.
Sorry to disappoint you, but this is IMPOSSIBLE.
> I can only think
> of one other explaination. That patch bumps the driver version. Maybe there
> is
> some feature that is only being activated from that version onwards. I'll try
> just changing the version and see what that does.
The version ALWAYS needs to be bumped when there is some new feature introduced
requiring some previously not used reg to be emitted. There is no check for this
drm minor version 16 in ddx, and exactly one check for >= 16 drm minor version
in dri - which is only used by the r200 driver and should have zero effect on
r100 (radeon) dri driver.
I think you just got lucky due to moonphase or whatnot, if you test somewhat
longer without that patch I'm pretty sure it will just lockup the same, you
really need a long observation period to have some statistically significant
data with these infrequent lockups.
(as for the different nature of the crashes, I believe this can happen more or
less randomly. When experimenting with bogus changes, I got different crashes
too. When the gpu locks up it sometimes seems to take down the whole system but
sometimes not - I think it causes a bus lockup or something if you are
unlucky.)
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