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SubjectRe: [Linux 2.6.29-rc6] [drm:i915_set_status_page] *ERROR* can not ioremap virtual address for G33 hw status page
From
2009/2/23 Rafael J. Wysocki <rjw@sisk.pl>:

>
> This is a serious regression on this particular hardware, though.  We need it
> fixed before 2.6.29-final, this way or another.

root@zlom:/usr/src/git/linux-2.6# git bisect bad
6fb88588555a18792a27f483887fe1f2af5f9c9b is first bad commit
commit 6fb88588555a18792a27f483887fe1f2af5f9c9b
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Mon Feb 23 10:08:21 2009 +1000

drm/i915: fix WC mapping in non-GEM i915 code.

[airlied - taken from mailing list posting]

Signed-off-by: Dave Airlie <airlied@redhat.com>

:040000 040000 94fbea685d2937dbe9f3ef861283724262d8443f
451872e14d914a3457adf9c144a705b646d887b4 M drivers

Revert this commit helps, and Xwindow works, still (like in previous
-rc*) I have this message:
[ 16.897361] mtrr: type mismatch for d0000000,10000000 old:
write-back new: write-combining
[ 16.897369] [drm] MTRR allocation failed
[ 16.897371] . Graphics performance may suffer.
[ 16.897401] pci 0000:00:02.0: irq 27 for MSI/MSI-X
[ 16.897432] [drm] Initialized i915 1.6.0 20080730 on minor 0
[ 16.931100] mtrr: type mismatch for d0000000,10000000 old:
write-back new: write-combining
[ 17.397378] set status page addr 0x00043000

but I don't notice any problems.

--
Maciej Rutecki
http://www.maciek.unixy.pl
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