<p dir="ltr">Here's something to look out for. </p>
<p dir="ltr">@wxl | polka.bike<br>
c563 cac5 8be1 2f22 a49d<br>
68f6 8b57 a48b c4f2 051a</p>
<div class="gmail_quote">---------- Forwarded message ----------<br>From: "Sean Davis" <<a href="mailto:smd.seandavis@gmail.com">smd.seandavis@gmail.com</a>><br>Date: Sep 24, 2016 06:50<br>Subject: Critical bugs regarding session locking, user switching, and guest accounts (Ubuntu, Xubuntu)<br>To: <<a href="mailto:ubuntu-release@lists.ubuntu.com">ubuntu-release@lists.ubuntu.com</a>><br>Cc: <br><br type="attribution"><div dir="ltr"><div style="font-size:12.8px">Hello everyone,</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">We came across a critical (release-blocking) bug in Xubuntu with locking, user switching, and guest account. After completing a more in-depth analysis, we found similar and related critical bugs also affecting Ubuntu.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">It seems that switching between two normal users (not guest) seems to be successful in both Ubuntu and Xubuntu (the latter when using gnome-screensaver instead of light-locker).</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Ubuntu: Guest login crashes</div><div style="font-size:12.8px"><a href="https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1627304" target="_blank">https://bugs.launchpad.net/ubu<wbr>ntu/+source/lightdm/+bug/16273<wbr>04</a></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Xubuntu: Guest session fails to logout</div><div style="font-size:12.8px"><a href="https://bugs.launchpad.net/ubuntu/+source/xfce4-session/+bug/1627310" target="_blank">https://bugs.launchpad.net/ubu<wbr>ntu/+source/xfce4-session/+bug<wbr>/1627310</a></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">This investigation originally started from the below bug, where we found that a session locked with light-locker/lightdm fails to resume.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">Xubuntu: Fails to unlock/ resumes to black screen</div><div style="font-size:12.8px"><a href="https://bugs.launchpad.net/ubuntu/+source/lightdm-gtk-greeter/+bug/1622303" target="_blank">https://bugs.launchpad.net/ubu<wbr>ntu/+source/lightdm-gtk-greete<wbr>r/+bug/1622303</a></div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px">We're opening the dialog here so that we might be able to get several eyes on it. These issues may negatively impact the other flavors in unique and related circumstances as well. From what we can tell, Ubuntu MATE does not seem to be affected.</div><div style="font-size:12.8px"><br></div><div style="font-size:12.8px"><div dir="ltr">Thanks,<div><br></div><div>Sean Davis (bluesabre)</div><div>Xubuntu Council, Xubuntu Technical Lead</div></div></div>
</div>
<br>--<br>
Ubuntu-release mailing list<br>
<a href="mailto:Ubuntu-release@lists.ubuntu.com">Ubuntu-release@lists.ubuntu.<wbr>com</a><br>
Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-release" rel="noreferrer" target="_blank">https://lists.ubuntu.com/<wbr>mailman/listinfo/ubuntu-<wbr>release</a><br>
<br></div>