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<base href="https://bugs.freedesktop.org/">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Hard system hang on login screen"
href="https://bugs.freedesktop.org/show_bug.cgi?id=105241">105241</a>
</td>
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<th>Summary</th>
<td>Hard system hang on login screen
</td>
</tr>
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<th>Product</th>
<td>Mesa
</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>
</tr>
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<th>Severity</th>
<td>blocker
</td>
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<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>Drivers/DRI/i965
</td>
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<th>Assignee</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
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<th>Reporter</th>
<td>mrattatrol@gmail.com
</td>
</tr>
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<th>QA Contact</th>
<td>intel-3d-bugs@lists.freedesktop.org
</td>
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<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=137592" name="attach_137592" title="boot logs">attachment 137592</a> <a href="attachment.cgi?id=137592&action=edit" title="boot logs">[details]</a></span>
boot logs
Every time i try to start without nomodeset system hangs several seconds after
login screen is show. There is no reaction on magic sysrq keys, no kernel dump,
no gpu dump, no error in logs.
I experienced the problem for every distro i tried:
Fedora 23 and 27,
Ubuntu 15.10, 16.04, 16.10, 17.04, 17.10, 18.04alpha
There is no certain moment when crash occures, sometimes it is possible to
enter a password and proceed to desktop. I also tried every recipe from arch
wiki with no success.
HW: Thinkpad T560 (model without discrete video card)
kernel: 4.16.0-rc2+ (drm-tips from 01.org)
mesa: 18.1
cairo: 1.14.10
libdrm: 2.4.10
xserver-xorg-video-intel: 2.99.917
However there was a single non-reproducible boot when i regained control after
freeze and managed to save boot log with gpu hang error.
There are 3 examples of a boot log in the attachment: when system freezes, when
i switch to tty and reboot and one where gpu hang takes place.</pre>
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