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<base href="https://bugs.freedesktop.org/">
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<body><table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - [KBL] modeset failure"
href="https://bugs.freedesktop.org/show_bug.cgi?id=96826">96826</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>[KBL] modeset failure
</td>
</tr>
<tr>
<th>Product</th>
<td>DRI
</td>
</tr>
<tr>
<th>Version</th>
<td>DRI 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>tjaalton@ubuntu.com
</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=124913" name="attach_124913" title="log from recent nightly">attachment 124913</a> <a href="attachment.cgi?id=124913&action=edit" title="log from recent nightly">[details]</a></span>
log from recent nightly
A system fails to boot up properly, monitor remains blank. Nightly is affected,
this is shown on the log (attached):
[ 2.570838] WARNING: CPU: 1 PID: 167 at
/home/kernel/COD/linux/drivers/gpu/drm/i915/intel_d
p.c:4091 intel_digital_port_connected+0x89/0x280 [i915]
[ 2.570842] Missing switch case (4) in g4x_digital_port_connected
[ 2.570843] Modules linked in: rtsx_pci_sdmmc mmc_core i915 ahci xhci_pci
libahci xhci_hcd
i2c_algo_bit e1000e libata drm_kms_helper crc32c_intel psmouse usbcore ptp
rtsx_pci scsi_mod d
rm pps_core mfd_core usb_common fan thermal wmi i2c_hid video hid button fjes
[ 2.570860] CPU: 1 PID: 167 Comm: kworker/u16:5 Not tainted
4.7.0-994-generic #201607042202
[ 2.570863] Hardware name: FOOBAR , BIOS 99.02.04 06/23/2016
[ 2.570869] Workqueue: events_unbound async_run_entry_fn
[ 2.570871] 0000000000000286 0000000002a6b479 ffffffff81321095
ffff880801e13c58
[ 2.570875] 0000000000000000 ffffffff81078a6e ffff880801eb0000
ffff880801e13cb0
[ 2.570878] ffff880802319800 000000000000001a ffff8808023180e8
0000000000000003
[ 2.570882] Call Trace:
[ 2.570886] [<ffffffff81321095>] ? dump_stack+0x5c/0x77
[ 2.570889] [<ffffffff81078a6e>] ? __warn+0xbe/0xe0
[ 2.570891] [<ffffffff81078aef>] ? warn_slowpath_fmt+0x5f/0x80
[ 2.570895] [<ffffffff81462bf4>] ? __pm_runtime_resume+0x54/0x70
[ 2.570916] [<ffffffffc0404969>] ? intel_digital_port_connected+0x89/0x280
[i915]
[ 2.570935] [<ffffffffc037c83e>] ? intel_display_power_get+0x2e/0x40 [i915]
[ 2.570956] [<ffffffffc0404bc1>] ? intel_dp_long_pulse+0x61/0x730 [i915]
[ 2.570973] [<ffffffffc037cbab>] ? intel_display_power_put+0xab/0xf0 [i915]
[ 2.570993] [<ffffffffc0405653>] ? intel_dp_detect+0x93/0xc0 [i915]
[ 2.570999] [<ffffffffc0230e9b>] ?
drm_helper_probe_single_connector_modes+0x26b/0x510 [drm_kms_helper]
[ 2.571005] [<ffffffffc023ed4c>] ? drm_fb_helper_initial_config+0xac/0x420
[drm_kms_helper]
[ 2.571008] [<ffffffff810a08f0>] ? check_preempt_curr+0x50/0x90
[ 2.571011] [<ffffffff810a0944>] ? ttwu_do_wakeup+0x14/0xe0
[ 2.571030] [<ffffffffc03f4fa4>] ? intel_fbdev_initial_config+0x14/0x30
[i915]
[ 2.571034] [<ffffffff81099af5>] ? async_run_entry_fn+0x45/0x130
[ 2.571037] [<ffffffff810912a0>] ? process_one_work+0x160/0x430
[ 2.571040] [<ffffffff810915bd>] ? worker_thread+0x4d/0x480
[ 2.571043] [<ffffffff815e577d>] ? __schedule+0x1ed/0x6b0
[ 2.571045] [<ffffffff81091570>] ? process_one_work+0x430/0x430
[ 2.571048] [<ffffffff8109736d>] ? kthread+0xcd/0xf0
[ 2.571050] [<ffffffff815e9d9f>] ? ret_from_fork+0x1f/0x40
[ 2.571052] [<ffffffff810972a0>] ? kthread_create_on_node+0x190/0x190
[ 2.571054] ---[ end trace e5ae5fa2879a99f3 ]---
[ 2.571059] i915 0000:00:02.0: No connectors reported connected with modes
[ 2.571063] [drm] Cannot find any crtc or sizes - going 1024x768</pre>
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