[Bug 80331] [BISECTED]Radeon driver broken in kernel 3.12.15 onwards for ATI Radeon HD4770 Card

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=80331

--- Comment #9 from Colin <colin.bruce at ctalk.co.uk> ---
(In reply to Alex Deucher from comment #8)
> (In reply to Colin from comment #7)
> > 
> > Oh. I hadn't realised. Anyway, with the patch removed the card supports XV
> > in X windows and with the patch installed it doesn't. If the firmware always
> > fails to load what does it do?
> 
> The firmware doesn't always fail to load; it loads fine.  Something is wrong
> with yourt setup.  Attach your xorg log and dmesg output for both cases.

but it was you that said it always failed to load so I am getting confused now.

It is not to do with X  because the problem shows up in plain text mode as well
before X is ever loaded. With the patch installed it won't load any fonts other
than the default one when it is booting. With the patch removed it will with no
other changes.

If I undo the patch and make no other changes what so ever it works correctly

If I compile the driver as a module it with no other changes what so ever it
works correctly.

If I apply the patch and compile the kernel with the driver statically linked
but no other changes what so ever it works correctly.

I don't see how it can be my setup when the only change to make it work or
break is that patch.

I am not at home just now so I can't create a dmesg or xorg file but I'll send
them later.

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