[Bug 76152] New: [BDW HSW IVB Regression]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

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=76152

          Priority: medium
            Bug ID: 76152
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [BDW HSW IVB Regression]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
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: jinxianx.guo at intel.com
          Hardware: Other
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 95769
  --> https://bugs.freedesktop.org/attachment.cgi?id=95769&action=edit
dmesg

system Environment:
--------------------------
platform: BDW HSW IVB 
Kernel:    (drm-intel-next-queued) 065f2ec2afc850960dcebc3b00766bc31c4ffd3b

Bug detailed description:
-------------------------
CallTrace"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" after resume
form S3

It's a regression bug.

Reproduce steps:
--------------------
1. echo mem > /sys/power/state
2. resume the OS
3. dmesg|grep Call

CallTrace
--------------------
[   55.632355] WARNING: CPU: 3 PID: 4178 at
drivers/gpu/drm/i915/intel_pm.c:5570 check_power_well_state+0x69/0x6f [i915]()
[   55.632358] state mismatch for 'display' (always_on 0 hw state 0 use-count 2
disable_power_well 1
[   55.632378] Modules linked in: dm_mod iTCO_wdt pcspkr iTCO_vendor_support
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
[   55.632383] CPU: 3 PID: 4178 Comm: kworker/u16:11 Not tainted
3.14.0-rc6_drm-intel-next-queued_065f2e_20140313+ #682
[   55.632394] Workqueue: events_unbound async_run_entry_fn
[   55.632399]  0000000000000000 0000000000000009 ffffffff817170e3
ffff88009edf1cb8
[   55.632402]  ffffffff81035052 0000000000000000 ffffffffa0063f69
ffff88014f4d16c0
[   55.632405]  ffffffffa00e7f18 ffffffffa00e7f18 0000000000000001
0000000000400000
[   55.632406] Call Trace:
[   55.632418]  [<ffffffff817170e3>] ? dump_stack+0x41/0x51
[   55.632423]  [<ffffffff81035052>] ? warn_slowpath_common+0x73/0x8b
[   55.632437]  [<ffffffffa0063f69>] ? check_power_well_state+0x69/0x6f [i915]
[   55.632442]  [<ffffffff81035102>] ? warn_slowpath_fmt+0x45/0x4a
[   55.632455]  [<ffffffffa0063f69>] ? check_power_well_state+0x69/0x6f [i915]
[   55.632470]  [<ffffffffa00683f0>] ? intel_display_power_get+0x7f/0xb6 [i915]
[   55.632476]  [<ffffffffa0221715>] ? azx_resume+0x35/0x103 [snd_hda_intel]
[   55.632482]  [<ffffffff812f9297>] ? pci_pm_restore+0x94/0x94
[   55.632488]  [<ffffffff81381d69>] ? dpm_run_callback.isra.8+0x24/0x52
[   55.632493]  [<ffffffff813822d4>] ? device_resume+0x10b/0x14c
[   55.632498]  [<ffffffff81382329>] ? async_resume+0x14/0x38
[   55.632502]  [<ffffffff8104f4bf>] ? async_run_entry_fn+0x55/0x10b
[   55.632506]  [<ffffffff81046660>] ? process_one_work+0x1bc/0x2ed
[   55.632510]  [<ffffffff81046bce>] ? worker_thread+0x1c7/0x2bc
[   55.632514]  [<ffffffff81046a07>] ? rescuer_thread+0x251/0x251
[   55.632518]  [<ffffffff8104b53e>] ? kthread+0xc5/0xcd
[   55.632524]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
[   55.632530]  [<ffffffff817216bc>] ? ret_from_fork+0x7c/0xb0
[   55.632535]  [<ffffffff8104b479>] ? kthread_freezable_should_stop+0x40/0x40
[   55.632538] ---[ end trace 8103dbb1bb4c1e34 ]---
[   55.632820] e1000e 0000:00:19.0: System wakeup disabled by ACPI
[   55.632866] e1000e 0000:00:19.0: irq 57 for MSI/MSI-X
[   55.632877] snd_hda_intel 0000:00:03.0: irq 60 for MSI/MSI-X

-- 
You are receiving this mail because:
You are the QA Contact for the bug.
You are on the CC list for the bug.
You are the assignee for the bug.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.freedesktop.org/archives/intel-gfx-bugs/attachments/20140314/e6f1ad05/attachment.html>