[Bug 80549] [IVB,HSW bisected]Resuming form s3 cause Call Trace, with warm boot

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=80549

--- Comment #6 from liulei <lei.a.liu at intel.com> ---
(In reply to comment #5)
> Can you please retest this on HSW with the current drm-intel-nightly tree?
> 
> I believe commit daa390e5ee45cc051d6bf37b296901f2f92b002d "drm/i915: don't
> warn if IRQs are disabled when shutting down display IRQs" fixed the last
> problem on HSW.
> 
> I am not sure about IVB.

We retested on latest drm-intel-nightly and we didn't find this Call Trace. But
we found another one still there. I have no idea that if this one is related
with the one we talked about.
[  620.126722] ------------[ cut here ]------------
[  620.126747] WARNING: CPU: 2 PID: 3692 at drivers/gpu/drm/i915/i915_irq.c:154
ironlake_disable_vblank+0x41/0x54 [i915]()
[  620.126763] Modules linked in: dm_mod iTCO_wdt iTCO_vendor_support
snd_hda_codec_realtek snd_hda_codec_generic snd_hda_codec_hdmi pcspkr i2c_i801
lpc_ich mfd_core snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep
snd_pcm uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common
videodev snd_timer snd soundcore wmi battery ac acpi_cpufreq i915 button video
drm_kms_helper drm
[  620.126766] CPU: 2 PID: 3692 Comm: kworker/u16:61 Tainted: G        W    
3.16.0-rc5_drm-intel-nightly_f326cd_20140717+ #574
[  620.126767] Hardware name: LENOVO 20267           /Cherry 3A       , BIOS
7CCN15WW 07/24/2013
[  620.126772] Workqueue: events_unbound async_run_entry_fn
[  620.126774]  0000000000000000 0000000000000009 ffffffff8178053d
0000000000000000
[  620.126776]  ffffffff8103986c ffff88015a3ec000 ffffffffa0096887
ffff88015a3ec000
[  620.126778]  0000000000000001 ffff880154cf0000 ffff880154cf7020
0000000000000002
[  620.126779] Call Trace:
[  620.126785]  [<ffffffff8178053d>] ? dump_stack+0x41/0x51
[  620.126789]  [<ffffffff8103986c>] ? warn_slowpath_common+0x78/0x90
[  620.126802]  [<ffffffffa0096887>] ? ironlake_disable_vblank+0x41/0x54 [i915]
[  620.126813]  [<ffffffffa0096887>] ? ironlake_disable_vblank+0x41/0x54 [i915]
[  620.126821]  [<ffffffffa0005548>] ? vblank_disable_and_save+0x3d/0x152 [drm]
[  620.126828]  [<ffffffffa0005d26>] ? drm_vblank_off+0x3a/0x147 [drm]
[  620.126843]  [<ffffffffa00ba9b5>] ? haswell_crtc_disable+0x3c/0x278 [i915]
[  620.126857]  [<ffffffffa00b456f>] ? intel_crtc_control+0x81/0xc4 [i915]
[  620.126864]  [<ffffffffa006e265>] ? i915_drm_freeze+0xd4/0x166 [i915]
[  620.126868]  [<ffffffff81350d12>] ? pci_pm_suspend+0x7b/0xfb
[  620.126873]  [<ffffffff813de98f>] ? __pm_runtime_barrier+0x10/0xfe
[  620.126875]  [<ffffffff81350c97>] ? pci_pm_freeze+0xb5/0xb5
[  620.126878]  [<ffffffff813e0260>] ? dpm_run_callback+0x57/0xcf
[  620.126881]  [<ffffffff813e105c>] ? __device_suspend+0x1d3/0x25f
[  620.126884]  [<ffffffff813e10fe>] ? async_suspend+0x16/0x7d
[  620.126887]  [<ffffffff810568af>] ? async_run_entry_fn+0x55/0x10b
[  620.126889]  [<ffffffff8104d636>] ? process_one_work+0x1e2/0x363
[  620.126891]  [<ffffffff8104de16>] ? worker_thread+0x2f2/0x3f1
[  620.126893]  [<ffffffff8104db24>] ? pool_mayday_timeout+0xf2/0xf2
[  620.126896]  [<ffffffff8105258e>] ? kthread+0xc5/0xcd
[  620.126899]  [<ffffffff810524c9>] ? kthread_freezable_should_stop+0x40/0x40
[  620.126902]  [<ffffffff8178602c>] ? ret_from_fork+0x7c/0xb0
[  620.126904]  [<ffffffff810524c9>] ? kthread_freezable_should_stop+0x40/0x40
[  620.126906] ---[ end trace 9e41ade7fe768372 ]---

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