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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [SKL bisected] system hang when changing resolution in games or killing gnome-session twice"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89727#c10">Comment # 10</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [SKL bisected] system hang when changing resolution in games or killing gnome-session twice"
href="https://bugs.freedesktop.org/show_bug.cgi?id=89727">bug 89727</a>
from <span class="vcard"><a class="email" href="mailto:yex.tian@intel.com" title="ye.tian <yex.tian@intel.com>"> <span class="fn">ye.tian</span></a>
</span></b>
<pre>(In reply to Matt Roper from <a href="show_bug.cgi?id=89727#c8">comment #8</a>)
<span class="quote">> (In reply to Gordon Jin from <a href="show_bug.cgi?id=89727#c4">comment #4</a>)
> > (In reply to Damien Lespiau from <a href="show_bug.cgi?id=89727#c3">comment #3</a>)
> > > I can't reproduce this one by starting X and killing it, nor by doing init
> > > 3/init 5 cycles.
> >
> > xinit is not sufficient. Could you try gnome-session as well?
>
> To confirm, you can xinit and kill X as many times as you like without
> problem, but if you start a full Gnome session, kill it, start a second
> Gnome session, and then kill it again, you see a hang?
> </span >
yes, the system hang.I can see a yellow light on the motherboard.
<span class="quote">> I don't have access to a SKL platform, so I'm a bit blind here, but can you
> try a few things (assuming my understanding above is correct and also that
> you still see this issue on the latest -nightly)?</span >
yes, this issue still on the latest -nightly.
<span class="quote">> - Test with xinit, but make sure you move your mouse into and out of the
> xterm that usually gets started by default to ensure the mouse cursor has to
> appear/change before you kill X. I want to rule out the framebuffer
> reference counting issues we had with universal cursors recently.</span >
confirmed, I can move the mouse into and out of the xterm before kill X.
<span class="quote">> - Start with xinit, but run xrandr to set varying display modes. I.e., can
> we easily trigger this crash by just switching modes with nothing else going
> on?</span >
The screen will turn black when set varying display modes, then the system
will hang when kill X.</pre>
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