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    SubjectRe: Fw: Re: drm bugs hopefully fixed but there might still be one..
    On Thu, Mar 24, 2005 at 09:09:47PM +0000, Andrew Clayton wrote:
    > On Thu, 2005-03-24 at 12:32 -0800, Andrew Morton wrote:
    > > ?
    > >
    > > Begin forwarded message:
    > >
    >
    > [snip]
    >
    > > > You mean these changes?
    > > >
    > > > --- a/drivers/char/agp/via-agp.c 2005-03-24 10:33:45 -08:00
    > > > +++ b/drivers/char/agp/via-agp.c 2005-03-24 10:33:45 -08:00
    > > > @@ -83,8 +83,10 @@
    > > >
    > > > pci_read_config_dword(agp_bridge->dev, VIA_GARTCTRL, &temp);
    > > > temp |= (1<<7);
    > > > + temp &= ~0x7f;
    > > > pci_write_config_dword(agp_bridge->dev, VIA_GARTCTRL, temp);
    > > > temp &= ~(1<<7);
    > > > + temp &= ~0x7f;
    > > > pci_write_config_dword(agp_bridge->dev, VIA_GARTCTRL, temp);
    > > > }
    > > Exactlty. I had to revert this one since 2.6.11-bk3, or starting X kills
    > > the machine. By "kill", I mean the real thing, black screen, dead
    > > network, reset is the only choice. This is a (surprise!) VIA-based
    > > motherboard (Asus A7V133-C) with Radeon 9200-based graphics adapter.
    > > Dave Airlie was asking for a tester with such a configuration. I can
    > > test whatever you want. Just tell me what we are looking for :)
    > >
    > > With the patch above reverted, 2.6.12-rc1-mm2 seems to work just fine
    > > for me. glxgears is OK and I just had a game of UT (first of the name).
    > > However, I am not a regular gamer so I'm not sure what to look for.
    > >
    > > Thanks,
    >
    >
    > Bingo!
    >
    > Backing out that change to a 2.6.12-rc1 solves the exact same problem
    > I've been having since 2.6.11-bk3. VIA chipset + Radeon 9200SE.
    >
    > http://www.ussg.iu.edu/hypermail/linux/kernel/0503.1/1096.html

    Yes, it's clearly completely broken. Linus, please cset -x that one
    from your tree.

    Dave

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