<html>
<head>
<base href="https://bugs.freedesktop.org/">
</head>
<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [SNB][i915] Screen freezes on switch between Wayland and VTs on Kernel >= 4.10.1"
href="https://bugs.freedesktop.org/show_bug.cgi?id=100050">100050</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[SNB][i915] Screen freezes on switch between Wayland and VTs on Kernel >= 4.10.1
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>XOrg git
</td>
</tr>
<tr>
<th>Hardware</th>
<td>Other
</td>
</tr>
<tr>
<th>OS</th>
<td>All
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>DRM/Intel
</td>
</tr>
<tr>
<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>peter.weber@mailbox.org
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
<tr>
<th>CC</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=130047" name="attach_130047" title="pacman_q output, ignore kernel 3.9 here!">attachment 130047</a> <a href="attachment.cgi?id=130047&action=edit" title="pacman_q output, ignore kernel 3.9 here!">[details]</a></span>
pacman_q output, ignore kernel 3.9 here!
Hello!
Since Kernel >= 4.10.1 I cannot switch from Wayland based GNOME-Shell to a
FBDEV based TTY with Ctrl+Alt+Function-Key. This worked till Kernel <= 4.9. The
screen freezes and shows the GNOME-Shell as it was exactly during the
key-press. I cannot see any error or warning in 'dmesg' nor 'journalctl -rb'
but hitting Ctrl+Alt+F2 (in most cases GNOME should be running on TTY2, GDM on
TTY1) will bring back the running GNOME-Shell.
Looking at the output of 'journalctl -rb' I noticed that systemd actually does
launch getty on the selected TTY, so I tried a blind login and it worked. So it
is only a graphical issue.
While using the GNOME-Shell on X11 everything still works as usual, returning
back to Kernel 4.9.11 and everything works as usual also with Wayland. I
noticed some changes to FBDEV and Intel ('fbdev helper ops') in 4.10, but they
sound not massive or Wayland related.
I'm using a ThinkPad X220 with a Sandy-Bridge i7, therefore it is using a Intel
HD3000. Distribution is Archlinux and I'm currently running a self compiled
'4.10.1'.
Historicall background:
For long times switching from Wayland to an TTY wasn't possible if the FBDEV in
the TTY was activley used i.e. by fbi(da) to show a png/jpeg/whatever. But I
didn't cared much, because initally nobody opens fbi(da) and I was able first
to switch to an other TTY without a running fbi(da) and then to the TTY with a
running fbi(da). Same for mplayer and so on.
Side notes:
I initally opend this bug on bugzilla.kernel.org, which is the wrong place?
<a href="https://bugzilla.kernel.org/show_bug.cgi?id=194737">https://bugzilla.kernel.org/show_bug.cgi?id=194737</a>
Furthermore I noticed this one:
<a class="bz_bug_link
bz_status_NEW "
title="NEW - Switching to VT freezes X only on a dual screen"
href="show_bug.cgi?id=99841">https://bugs.freedesktop.org/show_bug.cgi?id=99841</a>
But it is about X11, not Wayland. X11 works fine with kernel >= 4.10.1 here.
Thank you</pre>
</div>
</p>
<hr>
<span>You are receiving this mail because:</span>
<ul>
<li>You are the assignee for the bug.</li>
<li>You are on the CC list for the bug.</li>
<li>You are the QA Contact for the bug.</li>
</ul>
</body>
</html>