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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV Regression]*ERROR* conflict detected with stolen region: [0x7f800000 - 0x80000000]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66726#c4">Comment # 4</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW --- - [PNV Regression]*ERROR* conflict detected with stolen region: [0x7f800000 - 0x80000000]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=66726">bug 66726</a>
from <span class="vcard"><a class="email" href="mailto:daniel@ffwll.ch" title="Daniel Vetter <daniel@ffwll.ch>"> <span class="fn">Daniel Vetter</span></a>
</span></b>
<pre>(In reply to <a href="show_bug.cgi?id=66726#c3">comment #3</a>)
<span class="quote">> In this case, the memory region should be reserved I think by
>
> [ 0.766505] pci_bus 0000:00: root bus resource [mem 0x7f700000-0xffffffff]
>
> So it is a genuine busy, and we should try and filter this warning. Or
> somehow make a child resource of it.</span >
The following explicit resources are in that range:
7f700000-7f8fffff : PCI Bus 0000:01
7f900000-7f900fff : Intel Flush Page
7f904000-7f907fff : i915 MCHBAR
That feels like a real conflict, or alternatively our flush page setup in
intel-gtt.c is totally bogus. I'll attach the patch to rework the stolen
detection to check this.</pre>
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