Hi Benjamin:
* Benjamin Herrenschmidt <[email protected]> [2005-12-15 15:53:03 +1100]:
> On Wed, 2005-12-14 at 23:32 -0500, Mark M. Hoffman wrote:
> > Hello:
> >
> > git bisect said:
> > > 47807ce381acc34a7ffee2b42e35e96c0f322e52 is first bad commit
> > > diff-tree 47807ce381acc34a7ffee2b42e35e96c0f322e52 (from 0e670506668a43e1355b8f10c33d081a676bd521)
> > > Author: Dave Airlie <[email protected]>
> > > Date: Tue Dec 13 04:18:41 2005 +0000
> > >
> > > [drm] fix radeon aperture issue
> >
> > With this one applied, my machine locks up tight just after starting the
> > Xserver. Some info (dmesg, lspci, config) is here:
> >
> > http://members.dca.net/mhoffman/lkml-20051214/
> >
> > I can put a serial console on it if necessary, but not until about this
> > time tomorrow.
>
> You have to love this X radeon driver ... you can't fix one bug without
> breaking something else, it's one of the worst piece of crap I've ever
> seen...
>
> What would be useful now is the X version and maybe trying a little hack
> in the X driver. Do you have ways to rebuild the X driver at all ?
Check the link again for log & config. I have not built any part of X
from source before. But if it's necessary, I will try it.
> The problem is, that patch actually fixes some users... Ah, also, could
> you maybe add some printk's around the code that is modified by that
> patch and try to catch the value it tries to use before the lockup ?
>
> That is, print the values of:
>
> dev_priv->fb_location
>
> and
>
> RADEON_READ(RADEON_CONFIG_APER_SIZE)
These suggestions, along with later ones that involve recompiles... I will try
them late this evening (EST).
Regards,
--
Mark M. Hoffman
[email protected]
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