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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - radeonfb: BAR 0: can't reserve [mem 0x98000000-0x9fffffff pref]"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96423">96423</a>
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<th>Summary</th>
<td>radeonfb: BAR 0: can't reserve [mem 0x98000000-0x9fffffff pref]
</td>
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<th>Product</th>
<td>DRI
</td>
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<th>Version</th>
<td>XOrg git
</td>
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<th>Hardware</th>
<td>PowerPC
</td>
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<th>OS</th>
<td>All
</td>
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<th>Status</th>
<td>NEW
</td>
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<th>Severity</th>
<td>normal
</td>
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<th>Priority</th>
<td>medium
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<th>Component</th>
<td>DRM/Radeon
</td>
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<th>Assignee</th>
<td>dri-devel@lists.freedesktop.org
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<th>Reporter</th>
<td>mathieu.malaterre@gmail.com
</td>
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<p>
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<pre>On a PowerPC machine, when Open Firmware Frame Buffer is used (OFfb), I
cannot `modprobe radeonfb` (but I can load `radeon`). It currently fails with:
[ 96.551486] radeonfb 0000:00:10.0: enabling device (0006 -> 0007)
[ 96.551526] radeonfb 0000:00:10.0: BAR 0: can't reserve [mem
0x98000000-0x9fffffff pref]
[ 96.551531] radeonfb (0000:00:10.0): cannot request region 0.
[ 96.551545] radeonfb: probe of 0000:00:10.0 failed with error -16
It seems (to me) that it should be possible to add something like this
to `radeonfb`:
<a href="https://github.com/torvalds/linux/blob/master/drivers/gpu/drm/radeon/radeon_drv.c#L353">https://github.com/torvalds/linux/blob/master/drivers/gpu/drm/radeon/radeon_drv.c#L353</a>
[...]
/* Get rid of things like offb */
ret = radeon_kick_out_firmware_fb(pdev);
if (ret)
[...]</pre>
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