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<body><span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
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<a class="bz_bug_link
bz_status_NEW "
title="NEW - X server 1.19.3 failure with amdgpu (radeon M295X) on Ubuntu HWE16.04 kernel 4.10.0-28"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101998">bug 101998</a>
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<th>What</th>
<th>Removed</th>
<th>Added</th>
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<td style="text-align:right;">CC</td>
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<td>agoins@nvidia.com
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<td style="text-align:right;">Assignee</td>
<td>xorg-driver-ati@lists.x.org
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<td>xorg-team@lists.x.org
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<td style="text-align:right;">Component</td>
<td>Driver/AMDgpu
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<td>Driver/modesetting
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<b><a class="bz_bug_link
bz_status_NEW "
title="NEW - X server 1.19.3 failure with amdgpu (radeon M295X) on Ubuntu HWE16.04 kernel 4.10.0-28"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101998#c37">Comment # 37</a>
on <a class="bz_bug_link
bz_status_NEW "
title="NEW - X server 1.19.3 failure with amdgpu (radeon M295X) on Ubuntu HWE16.04 kernel 4.10.0-28"
href="https://bugs.freedesktop.org/show_bug.cgi?id=101998">bug 101998</a>
from <span class="vcard"><a class="email" href="mailto:michel@daenzer.net" title="Michel Dänzer <michel@daenzer.net>"> <span class="fn">Michel Dänzer</span></a>
</span></b>
<pre>I was able to reproduce the problem. It's a modesetting driver bug, this code
in ms_dirty_update:
msPixmapPrivPtr ppriv =
msGetPixmapPriv(&ms->drmmode, ent->slave_dst);
probably needs to be:
msPixmapPrivPtr ppriv =
msGetPixmapPriv(&ms->drmmode, ent->slave_dst->master_pixmap);
otherwise it tries to access random memory when the slave screen doesn't use
the modesetting driver.
There might be more related issues.</pre>
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