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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SKL][SNA/DRI2] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x111, supported mask 0x7400003f"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100382">100382</a>
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<th>Summary</th>
<td>[SKL][SNA/DRI2] [drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x111, supported mask 0x7400003f
</td>
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<tr>
<th>Product</th>
<td>xorg
</td>
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<th>Version</th>
<td>git
</td>
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<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
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<th>OS</th>
<td>Linux (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
</td>
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<th>Component</th>
<td>Driver/intel
</td>
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<tr>
<th>Assignee</th>
<td>chris@chris-wilson.co.uk
</td>
</tr>
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<th>Reporter</th>
<td>peter@lekensteyn.nl
</td>
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<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=130445" name="attach_130445" title="Xorg.0.log">attachment 130445</a> <a href="attachment.cgi?id=130445&action=edit" title="Xorg.0.log">[details]</a></span>
Xorg.0.log
On some actions, like opening a new window or dragging it around, the following
message is visible in dmesg:
[drm:drm_wait_vblank [drm]] *ERROR* Unsupported type value 0x111, supported
mask 0x7400003f
This is always reproduced, but it only occurs when PRIME output slaving is
active, and only when actions are executed on the external monitor connected to
the Nvidia GPU (rather than the laptop monitor). Additionally, the external
monitor must be primary (xrandr --output DP-1-1 --primary).
xorg-server 1.19.3-1
xf86-video-intel 1:2.99.917+767+g7e9e92c8-1
xf86-video-nouveau 1.0.14-1
Distro: Arch Linux x86_64 (testing repo enabled)
Desktop environment: Plasma 5.9.4-1
Laptop model: Clevo P651RA
CPU: i7-6700HQ
Display connector: miniDP (nouveau), eDP (Intel)
$ xrandr --listproviders
Providers: number : 2
Provider 0: id: 0x8c cap: 0xb, Source Output, Sink Output, Sink Offload crtcs:
4 outputs: 2 associated providers: 1 name:Intel
Provider 1: id: 0x66 cap: 0x7, Source Output, Sink Output, Source Offload
crtcs: 4 outputs: 3 associated providers: 1 name:nouveau
Based on the type value (i.e. missing DRM_VBLANK_EVENT) and the call trace
(perf trace --call-graph=dwarf -e syscalls:sys_enter_ioctl && perf report
points to intel_drv.so), I guess that sna_query_vblank in src/sna/sna_dri2.c is
responsible for this spew.
(Maybe it is (or it is not) related to <a class="bz_bug_link
bz_status_NEW "
title="NEW - Tearing and drm_wait_vblank kernel log spam with reverse PRIME (intel+nouveau)"
href="show_bug.cgi?id=92327">bug 92327</a>.)</pre>
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