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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 - [ILK]Resume from S3 will cause dmesg error"
href="https://bugs.freedesktop.org/show_bug.cgi?id=88935">88935</a>
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<tr>
<th>Summary</th>
<td>[ILK]Resume from S3 will cause dmesg error
</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>
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<th>OS</th>
<td>All
</td>
</tr>
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<th>Status</th>
<td>NEW
</td>
</tr>
<tr>
<th>Severity</th>
<td>normal
</td>
</tr>
<tr>
<th>Priority</th>
<td>medium
</td>
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<th>Component</th>
<td>DRM/Intel
</td>
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<th>Assignee</th>
<td>intel-gfx-bugs@lists.freedesktop.org
</td>
</tr>
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<th>Reporter</th>
<td>hengx.ding@intel.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=113090" name="attach_113090" title="dmesg resume from s3">attachment 113090</a> <a href="attachment.cgi?id=113090&action=edit" title="dmesg resume from s3">[details]</a></span>
dmesg resume from s3
==System Environment==
--------------------------
Regression: yes
will bisect later.
no-working platforms: ILK
==kernel==
--------------------------
drm-intel-testing/e0f77e2aeee065f8530ef87a9842fee5e89ea681
==Bug detailed description==
-----------------------------
dmesg -r|egrep "<[1-4]>"|grep drm
<4>[ 1.912020] WARNING: CPU: 0 PID: 1370 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x147/0x221 [i915]()
<4>[ 1.912539] i915(+) button video drm_kms_helper drm cfbfillrect
cfbimgblt cfbcopyarea
<4>[ 1.913146] CPU: 0 PID: 1370 Comm: udevd Not tainted
3.19.0-rc6_drm-intel-testing_e0f77e_20150131_+ #150
<4>[ 1.918014] [<f811cc78>] ? drm_minor_register+0x99/0xc9 [drm]
<4>[ 1.918166] [<f811cd16>] drm_dev_register+0x6e/0xd0 [drm]
<4>[ 1.918317] [<f811ee02>] drm_get_pci_dev+0xde/0x16e [drm]
<4>[ 1.920066] [<f811eeda>] drm_pci_init+0x48/0xbe [drm]
[root@x-e6510 ~]# echo mem > /sys/power/state
[root@x-e6510 ~]# dmesg > dmesg_S3.txt
[root@x-e6510 ~]# dmesg -r|egrep "<[1-4]>"|grep drm
<4>[ 1.912020] WARNING: CPU: 0 PID: 1370 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x147/0x221 [i915]()
<4>[ 1.912539] i915(+) button video drm_kms_helper drm cfbfillrect
cfbimgblt cfbcopyarea
<4>[ 1.913146] CPU: 0 PID: 1370 Comm: udevd Not tainted
3.19.0-rc6_drm-intel-testing_e0f77e_20150131_+ #150
<4>[ 1.918014] [<f811cc78>] ? drm_minor_register+0x99/0xc9 [drm]
<4>[ 1.918166] [<f811cd16>] drm_dev_register+0x6e/0xd0 [drm]
<4>[ 1.918317] [<f811ee02>] drm_get_pci_dev+0xde/0x16e [drm]
<4>[ 1.920066] [<f811eeda>] drm_pci_init+0x48/0xbe [drm]
<4>[ 34.891484] WARNING: CPU: 0 PID: 4093 at drivers/gpu/drm/drm_irq.c:1129
drm_wait_one_vblank+0x35/0x141 [drm]()
<4>[ 34.891526] Modules linked in: snd_hda_codec_hdmi dcdbas i8k dm_mod
pcspkr snd_hda_codec_idt snd_hda_codec_generic i2c_i801 lpc_ich mfd_core
firewire_ohci firewire_core crc_itu_t snd_hda_intel snd_hda_controller bcma
snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore wmi parport_pc parport
tpm_tis tpm battery ac acpi_cpufreq joydev i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[ 34.891531] CPU: 0 PID: 4093 Comm: kworker/u16:15 Tainted: G W
3.19.0-rc6_drm-intel-testing_e0f77e_20150131_+ #150
<4>[ 34.891596] [<f811b4ba>] ? drm_wait_one_vblank+0x35/0x141 [drm]
<4>[ 34.891609] [<f811b4ba>] drm_wait_one_vblank+0x35/0x141 [drm]
<4>[ 34.891780] [<f85807da>] i915_drm_suspend+0xb4/0x18f [i915]
<4>[ 34.909076] WARNING: CPU: 0 PID: 4093 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x147/0x221 [i915]()
<4>[ 34.909091] Modules linked in: snd_hda_codec_hdmi dcdbas i8k dm_mod
pcspkr snd_hda_codec_idt snd_hda_codec_generic i2c_i801 lpc_ich mfd_core
firewire_ohci firewire_core crc_itu_t snd_hda_intel snd_hda_controller bcma
snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore wmi parport_pc parport
tpm_tis tpm battery ac acpi_cpufreq joydev i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[ 34.909093] CPU: 0 PID: 4093 Comm: kworker/u16:15 Tainted: G W
3.19.0-rc6_drm-intel-testing_e0f77e_20150131_+ #150
<4>[ 34.909176] [<f8580884>] i915_drm_suspend+0x15e/0x18f [i915]
<4>[ 36.018846] WARNING: CPU: 1 PID: 4090 at
drivers/gpu/drm/i915/intel_uncore.c:169
intel_uncore_forcewake_reset+0x147/0x221 [i915]()
<4>[ 36.018872] Modules linked in: snd_hda_codec_hdmi dcdbas i8k dm_mod
pcspkr snd_hda_codec_idt snd_hda_codec_generic i2c_i801 lpc_ich mfd_core
firewire_ohci firewire_core crc_itu_t snd_hda_intel snd_hda_controller bcma
snd_hda_codec snd_hwdep snd_pcm snd_timer snd soundcore wmi parport_pc parport
tpm_tis tpm battery ac acpi_cpufreq joydev i915 button video drm_kms_helper drm
cfbfillrect cfbimgblt cfbcopyarea
<4>[ 36.018876] CPU: 1 PID: 4090 Comm: kworker/u16:12 Tainted: G W
3.19.0-rc6_drm-intel-testing_e0f77e_20150131_+ #150
<4>[ 36.019074] [<f8581227>] i915_drm_resume_early+0x5a/0x91 [i915]
<4>[ 36.019099] [<f858125e>] ? i915_drm_resume_early+0x91/0x91 [i915]
==Reproduce steps==
----------------------------
1. echo mem > /sys/power/state
2. resume from S3</pre>
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