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<base href="https://bugs.freedesktop.org/" />
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<body><table border="1" cellspacing="0" cellpadding="8">
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<th>Bug ID</th>
<td><a class="bz_bug_link
bz_status_NEW "
title="NEW - Kernel message spam when HDMI display is turned off"
href="https://bugs.freedesktop.org/show_bug.cgi?id=93733">93733</a>
</td>
</tr>
<tr>
<th>Summary</th>
<td>Kernel message spam when HDMI display is turned off
</td>
</tr>
<tr>
<th>Product</th>
<td>xorg
</td>
</tr>
<tr>
<th>Version</th>
<td>unspecified
</td>
</tr>
<tr>
<th>Hardware</th>
<td>x86-64 (AMD64)
</td>
</tr>
<tr>
<th>OS</th>
<td>Linux (All)
</td>
</tr>
<tr>
<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>minor
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
</tr>
<tr>
<th>Component</th>
<td>Driver/nouveau
</td>
</tr>
<tr>
<th>Assignee</th>
<td>nouveau@lists.freedesktop.org
</td>
</tr>
<tr>
<th>Reporter</th>
<td>i.am.inuyasha@gmail.com
</td>
</tr>
<tr>
<th>QA Contact</th>
<td>xorg-team@lists.x.org
</td>
</tr></table>
<p>
<div>
<pre>Created <span class=""><a href="attachment.cgi?id=121073" name="attach_121073" title="dmesg output">attachment 121073</a> <a href="attachment.cgi?id=121073&action=edit" title="dmesg output">[details]</a></span>
dmesg output
When using nouveau driver and turning off my HDMI screen, the kernel logs are
spammed with errors:
Jan 16 07:27:36 guilmon kernel: ------------[ cut here ]------------
Jan 16 07:27:36 guilmon kernel: WARNING: CPU: 6 PID: 172 at
include/drm/drm_crtc.h:1577 drm_helper_choose_crtc_dpms+0x93/0xa0
[drm_kms_helper]()
Jan 16 07:27:36 guilmon kernel: Modules linked in: fuse pci_stub vboxpci(O)
vboxnetflt(O) vboxnetadp(O) vboxdrv(O) f71882fg snd_hda_codec_hdmi joydev btusb
Jan 16 07:27:36 guilmon kernel: ansi_cprng algif_skcipher af_alg dm_crypt
dm_mod hid_generic usbhid hid sr_mod cdrom sd_mod uas usb_storage atkbd libps2
cr
Jan 16 07:27:36 guilmon kernel: CPU: 6 PID: 172 Comm: kworker/6:3 Tainted: G
W O 4.3.3-2-ARCH #1
Jan 16 07:27:36 guilmon kernel: Hardware name: MSI MS-7693/970A-G46 (MS-7693),
BIOS V1.11 10/31/2012
Jan 16 07:27:36 guilmon kernel: Workqueue: events nvif_notify_work [nouveau]
Jan 16 07:27:36 guilmon kernel: 0000000000000000 00000000d3b82562
ffff8805ff7d3d10 ffffffff812c0dc9
Jan 16 07:27:36 guilmon kernel: 0000000000000000 ffff8805ff7d3d48
ffffffff81074f42 ffff880600bcf000
Jan 16 07:27:36 guilmon kernel: ffff880600942000 ffff880600942000
0000000000000003 0000000000000000
Jan 16 07:27:36 guilmon kernel: Call Trace:
Jan 16 07:27:36 guilmon kernel: [<ffffffff812c0dc9>] dump_stack+0x4b/0x72
Jan 16 07:27:36 guilmon kernel: [<ffffffff81074f42>]
warn_slowpath_common+0x82/0xc0
Jan 16 07:27:36 guilmon kernel: [<ffffffff8107508a>]
warn_slowpath_null+0x1a/0x20
Jan 16 07:27:36 guilmon kernel: [<ffffffffa05e11f3>]
drm_helper_choose_crtc_dpms+0x93/0xa0 [drm_kms_helper]
Jan 16 07:27:36 guilmon kernel: [<ffffffffa05e15c7>]
drm_helper_connector_dpms+0x77/0x100 [drm_kms_helper]
Jan 16 07:27:36 guilmon kernel: [<ffffffffa0a67700>] ?
nv50_display_crtc_get+0x20/0x20 [nouveau]
Jan 16 07:27:36 guilmon kernel: [<ffffffffa0a640fb>]
nouveau_connector_hotplug+0x3b/0xb0 [nouveau]
Jan 16 07:27:36 guilmon kernel: [<ffffffffa09bca77>]
nvif_notify_work+0x27/0xa0 [nouveau]
Jan 16 07:27:36 guilmon kernel: [<ffffffff8108c9ad>] ?
pwq_dec_nr_in_flight+0x4d/0xa0
Jan 16 07:27:36 guilmon kernel: [<ffffffff8108cfeb>]
process_one_work+0x14b/0x440
Jan 16 07:27:36 guilmon kernel: [<ffffffff8108d328>] worker_thread+0x48/0x4a0
Jan 16 07:27:36 guilmon kernel: [<ffffffff8108d2e0>] ?
process_one_work+0x440/0x440
Jan 16 07:27:36 guilmon kernel: [<ffffffff81092e68>] kthread+0xd8/0xf0
Jan 16 07:27:36 guilmon kernel: [<ffffffff81092d90>] ?
kthread_worker_fn+0x170/0x170
Jan 16 07:27:36 guilmon kernel: [<ffffffff8158409f>] ret_from_fork+0x3f/0x70
Jan 16 07:27:36 guilmon kernel: [<ffffffff81092d90>] ?
kthread_worker_fn+0x170/0x170
Jan 16 07:27:36 guilmon kernel: ---[ end trace b434083d8b28aa12 ]---
When turning the display back on, the errors stop and things work normally
again.
System:
Nouveau v1.0.12-1
Xorg-server v1.18.0-4
Arch Linux AMD64 on AMD FX-8120, 24GB RAM
EVGA GTX 650 TI Boost, 1 GB, with three screens connected:
-HDMI
-DVI (upper port)
-DisplayPort (via VGA adaptor)</pre>
</div>
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