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SubjectRe: 2.6.23-rc1 regression: mm: fix fault vs invalidate race for linear mappings
On 7/24/07, Nick Piggin <nickpiggin@yahoo.com.au> wrote:
> Bret Towe wrote:
> > for a while in -git I've had an issue that on boot when gdm loads the
> > screen stays black
> > using ctrl-f1 doesn't return to a console and killing X doesn't help any
> > ssh'ing into the box does work top only shows 100% io-wait
> > dmesg shows nothing odd
> >
> > the work around I have is at the moment is to just move the radeon drm
> > module
> > out of the way so it doesn't load on boot and X works just fine like that
> > I did some bisecting which took a few days and tracked it down to
> > commit d00806b183152af6d24f46f0c33f14162ca1262a
> >
> > its way to complex for me to revert it on top of -rc1 to verify that's
> > the issue tho
> > I keep forgetting to get a trace of what its waiting on when I'm in that
> > kernel
> > I assume that would be of use and Ill get that later
> >
> > the box this is happening on is a g4 mac mini the built in card is a
> > radeon 9200
> > I'm not seeing any issues on an amd64 box with radeon card it's also a
> > 9600 tho
>
> Is this with a binary-only module? We saw an issue with that in SLES9
> where the module is returning a locked page from its nopage handler
> when it isn't really supposed to. It might be fixed in latest drivers,
> have you tried them?

you mean the drivers ati releases? no its all open source drivers
I didn't think ati release powerpc versions of their drivers?
not that id use them ether way

> Thanks,
> Nick
>
> --
> SUSE Labs, Novell Inc.
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