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<body><span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span> changed
<a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [IVB/HSW/BDW bisected]WARNING: CPU: 3 PID: 4178 at drivers/gpu/drm/i915/intel_pm.c:5570 check_power_well_state+0x69/0x6f [i915]() after resume form S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76152">bug 76152</a>
<br>
<table border="1" cellspacing="0" cellpadding="8">
<tr>
<th>What</th>
<th>Removed</th>
<th>Added</th>
</tr>
<tr>
<td style="text-align:right;">Status</td>
<td>RESOLVED
</td>
<td>REOPENED
</td>
</tr>
<tr>
<td style="text-align:right;">Resolution</td>
<td>FIXED
</td>
<td>---
</td>
</tr></table>
<p>
<div>
<b><a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [IVB/HSW/BDW bisected]WARNING: CPU: 3 PID: 4178 at drivers/gpu/drm/i915/intel_pm.c:5570 check_power_well_state+0x69/0x6f [i915]() after resume form S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76152#c9">Comment # 9</a>
on <a class="bz_bug_link
bz_status_REOPENED "
title="REOPENED --- - [IVB/HSW/BDW bisected]WARNING: CPU: 3 PID: 4178 at drivers/gpu/drm/i915/intel_pm.c:5570 check_power_well_state+0x69/0x6f [i915]() after resume form S3"
href="https://bugs.freedesktop.org/show_bug.cgi?id=76152">bug 76152</a>
from <span class="vcard"><a class="email" href="mailto:jinxianx.guo@intel.com" title="Guo Jinxian <jinxianx.guo@intel.com>"> <span class="fn">Guo Jinxian</span></a>
</span></b>
<pre>Checked on latest -next-queued(), this bug still can be reproduce.
[ 41.430017] WARNING: CPU: 1 PID: 4206 at
drivers/gpu/drm/i915/intel_pm.c:5569 check_power_well_state+0x69/0x6f [i915]()
[ 41.430019] state mismatch for 'display' (always_on 0 hw state 0 use-count 2
disable_power_well 1
[ 41.430034] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support pcspkr
i2c_i801 snd_hda_codec_hdmi lpc_ich mfd_core snd_hda_intel snd_hda_codec
snd_hwdep snd_pcm snd_timer snd soundcore battery ppdev parport_pc parport ac
acpi_cpufreq i915 video button drm_kms_helper drm
[ 41.430037] CPU: 1 PID: 4206 Comm: kworker/u16:11 Tainted: G W
3.14.0-rc7_drm-intel-next-queued_57e00b_20140326+ #1042
[ 41.430044] Workqueue: events_unbound async_run_entry_fn
[ 41.430047] 0000000000000000 0000000000000009 ffffffff81716de3
ffff8800a1631cb8
[ 41.430049] ffffffff81035052 0000000000000000 ffffffffa0064da8
ffff88014f4116c0
[ 41.430052] ffffffffa00e8fd8 ffffffffa00e8fd8 0000000000000001
0000000000400000
[ 41.430052] Call Trace:
[ 41.430058] [<ffffffff81716de3>] ? dump_stack+0x41/0x51
[ 41.430061] [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
[ 41.430070] [<ffffffffa0064da8>] ? check_power_well_state+0x69/0x6f [i915]
[ 41.430074] [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
[ 41.430087] [<ffffffffa0064da8>] ? check_power_well_state+0x69/0x6f [i915]
[ 41.430101] [<ffffffffa006928d>] ? intel_display_power_get+0x85/0xbd [i915]
[ 41.430105] [<ffffffffa01de715>] ? azx_resume+0x35/0x103 [snd_hda_intel]
[ 41.430110] [<ffffffff812f91f7>] ? pci_pm_restore+0x94/0x94
[ 41.430114] [<ffffffff81381cb1>] ? dpm_run_callback.isra.8+0x24/0x52
[ 41.430118] [<ffffffff8138221c>] ? device_resume+0x10b/0x14c
[ 41.430122] [<ffffffff81382271>] ? async_resume+0x14/0x38
[ 41.430125] [<ffffffff8104f4bf>] ? async_run_entry_fn+0x55/0x10b
[ 41.430129] [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
[ 41.430132] [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
[ 41.430134] [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
[ 41.430138] [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
[ 41.430143] [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
[ 41.430146] [<ffffffff817213fc>] ? ret_from_fork+0x7c/0xb0
[ 41.430150] [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
[ 41.430152] ---[ end trace 47b212a61ac14e5f ]---
[ 41.430381] snd_hda_intel 0000:00:03.0: irq 57 for MSI/MSI-X
[ 41.430469] e1000e 0000:00:19.0: System wakeup disabled by ACPI
[ 41.430746] e1000e 0000:00:19.0: irq 60 for MSI/MSI-X</pre>
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