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Message-ID: <53D8565E.3080707@intel.com>
Date: Wed, 30 Jul 2014 10:20:14 +0800
From: Aaron Lu <aaron.lu@...el.com>
To: Daniel Vetter <daniel.vetter@...ll.ch>,
Ville Syrjälä <ville.syrjala@...ux.intel.com>
CC: LKML <linux-kernel@...r.kernel.org>, lkp@...org
Subject: Re: [LKP] [drm/i915] WARNING: CPU: 3 PID: 248 at drivers/gpu/drm/i915/intel_pm.c:6427
check_power_well_state+0x60/0x90 [i915]()
On 07/29/2014 07:10 PM, Daniel Vetter wrote:
> On Tue, Jul 29, 2014 at 12:14 PM, Ville Syrjälä
> <ville.syrjala@...ux.intel.com> wrote:
>> On Tue, Jul 29, 2014 at 10:43:02AM +0800, Aaron Lu wrote:
>>> FYI, we noticed the below changes on
>>>
>>> git://people.freedesktop.org/~danvet/drm colder-fusion
>>
>> Does it happen on -nightly too?
>
> git://anongit.freedesktop.org/drm-intel
With this git tree, do we still need to watch the old one? Or they serve
different purpose?
Thanks,
Aaron
>
> Not sure whether you guys have that branch, since this is the first
> time I've received a report from LKP.
> -Daniel
>
>>
>>> commit 571484b4d8c2f23feebcd7e0d9259174650b5da0 ("drm/i915: Add chv cmnlane power wells")
>>>
>>> +-----------------+------------+------------+
>>> | | ad593b242a | 571484b4d8 |
>>> +-----------------+------------+------------+
>>> | boot_successes | 10 | 10 |
>>> | early-boot-hang | 1 | 1 |
>>> +-----------------+------------+------------+
>>>
>>>
>>> [ 11.884746] fbcon: inteldrmfb (fb0) is primary device
>>> [ 12.012144] [drm:vlv_set_power_well] *ERROR* timout setting power well state 03000000 (00000000)
>>> [ 12.012146] ------------[ cut here ]------------
>>> [ 12.012179] WARNING: CPU: 3 PID: 248 at drivers/gpu/drm/i915/intel_pm.c:6427 check_power_well_state+0x60/0x90 [i915]()
>>> [ 12.012180] state mismatch for 'dpio-common-d' (always_on 0 hw state 1 use-count 0 disable_power_well 1
>>> [ 12.012189] Modules linked in: ata_generic(+) snd_hda_intel(+) snd_hda_controller i915(+) snd_hda_codec firewire_ohci video firewire_core drm_kms_helper nuvoton_cir crc_itu_t pata_acpi snd_hwdep ahci serio_raw snd_pcm libahci snd_timer parport_pc snd floppy(+) parport pcspkr libata rc_core soundcore i2c_i801 drm
>>> [ 12.012191] CPU: 3 PID: 248 Comm: modprobe Not tainted 3.16.0-rc7-02031-g4efe1515 #1
>>> [ 12.012192] Hardware name: /DQ67SW, BIOS SWQ6710H.86A.0047.2011.0222.1058 02/22/2011
>>> [ 12.012194] 0000000000000009 ffff88007fabb2f8 ffffffff8182e6de ffff88007fabb340
>>> [ 12.012195] ffff88007fabb330 ffffffff8106d0ed ffffffffa0294860 ffffffffa0294860
>>> [ 12.012196] 0000000001000000 ffff88007f0e8568 ffff88007f0e0000 ffff88007fabb390
>>> [ 12.012197] Call Trace:
>>> [ 12.012201] [<ffffffff8182e6de>] dump_stack+0x4d/0x66
>>> [ 12.012204] [<ffffffff8106d0ed>] warn_slowpath_common+0x7d/0xa0
>>> [ 12.012206] [<ffffffff8106d15c>] warn_slowpath_fmt+0x4c/0x50
>>> [ 12.012218] [<ffffffffa01d885d>] ? vlv_power_well_enabled+0x7d/0xa0 [i915]
>>> [ 12.012228] [<ffffffffa01d9160>] check_power_well_state+0x60/0x90 [i915]
>>> [ 12.012241] [<ffffffffa01e05c5>] intel_display_power_put+0xe5/0x160 [i915]
>>> [ 12.012259] [<ffffffffa022a73a>] intel_display_set_init_power+0x2a/0x50 [i915]
>>> [ 12.012273] [<ffffffffa022a852>] modeset_update_crtc_power_domains+0xf2/0x150 [i915]
>>> [ 12.012286] [<ffffffffa022ac1e>] snb_modeset_global_resources+0xe/0x10 [i915]
>>> [ 12.012297] [<ffffffffa022bf48>] __intel_set_mode+0x5d8/0xab0 [i915]
>>> [ 12.012310] [<ffffffffa0233c06>] intel_set_mode+0x16/0x30 [i915]
>>> [ 12.012321] [<ffffffffa0234b4c>] intel_crtc_set_config+0x91c/0xe50 [i915]
>>> [ 12.012333] [<ffffffffa00191b4>] drm_mode_set_config_internal+0x64/0xf0 [drm]
>>> [ 12.012338] [<ffffffffa0108803>] restore_fbdev_mode+0xb3/0xe0 [drm_kms_helper]
>>> [ 12.012341] [<ffffffffa0108853>] drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helper]
>>> [ 12.012344] [<ffffffffa010a418>] drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper]
>>> [ 12.012359] [<ffffffffa023e40a>] intel_fbdev_set_par+0x1a/0x60 [i915]
>>> [ 12.012361] [<ffffffff81438994>] fbcon_init+0x4f4/0x580
>>> [ 12.012363] [<ffffffff814afbc8>] visual_init+0xb8/0x120
>>> [ 12.012365] [<ffffffff814b20c3>] do_bind_con_driver+0x163/0x330
>>> [ 12.012367] [<ffffffff814b2844>] do_take_over_console+0x114/0x1c0
>>> [ 12.012368] [<ffffffff814340e3>] do_fbcon_takeover+0x63/0xd0
>>> [ 12.012369] [<ffffffff8143943d>] fbcon_event_notify+0x68d/0x7e0
>>> [ 12.012371] [<ffffffff810951fc>] notifier_call_chain+0x4c/0x70
>>> [ 12.012373] [<ffffffff8109556d>] __blocking_notifier_call_chain+0x4d/0x70
>>> [ 12.012374] [<ffffffff810955a6>] blocking_notifier_call_chain+0x16/0x20
>>> [ 12.012376] [<ffffffff8143f97b>] fb_notifier_call_chain+0x1b/0x20
>>> [ 12.012378] [<ffffffff81441ba6>] register_framebuffer+0x1e6/0x320
>>> [ 12.012381] [<ffffffffa010a75e>] drm_fb_helper_initial_config+0x2fe/0x4b0 [drm_kms_helper]
>>> [ 12.012394] [<ffffffffa02171ca>] ? gen6_write32+0x6a/0x120 [i915]
>>> [ 12.012408] [<ffffffffa023f59f>] intel_fbdev_initial_config+0x1f/0x30 [i915]
>>> [ 12.012424] [<ffffffffa0263c2d>] i915_driver_load+0xfbd/0x1050 [i915]
>>> [ 12.012427] [<ffffffff813df1f8>] ? kobject_uevent_env+0x178/0x690
>>> [ 12.012429] [<ffffffff814e05c7>] ? get_device+0x17/0x30
>>> [ 12.012431] [<ffffffff814e5c55>] ? klist_class_dev_get+0x15/0x20
>>> [ 12.012433] [<ffffffff8181c3ba>] ? klist_add_tail+0x3a/0x40
>>> [ 12.012434] [<ffffffff814e1cf9>] ? device_add+0x1f9/0x610
>>> [ 12.012442] [<ffffffffa0017156>] ? drm_sysfs_device_add+0xd6/0x120 [drm]
>>> [ 12.012448] [<ffffffffa001377d>] drm_dev_register+0xad/0x100 [drm]
>>> [ 12.012455] [<ffffffffa001624f>] drm_get_pci_dev+0x8f/0x1f0 [drm]
>>> [ 12.012467] [<ffffffffa01d359b>] i915_pci_probe+0x3b/0x60 [i915]
>>> [ 12.012469] [<ffffffff81413b05>] local_pci_probe+0x45/0xa0
>>> [ 12.012470] [<ffffffff81414c95>] ? pci_match_device+0xe5/0x110
>>> [ 12.012472] [<ffffffff81414dd1>] pci_device_probe+0xd1/0x130
>>> [ 12.012474] [<ffffffff814e4d90>] driver_probe_device+0x90/0x3c0
>>> [ 12.012475] [<ffffffff814e5193>] __driver_attach+0x93/0xa0
>>> [ 12.012476] [<ffffffff814e5100>] ? __device_attach+0x40/0x40
>>> [ 12.012477] [<ffffffff814e2e13>] bus_for_each_dev+0x63/0xa0
>>> [ 12.012479] [<ffffffff814e482e>] driver_attach+0x1e/0x20
>>> [ 12.012480] [<ffffffff814e4440>] bus_add_driver+0x180/0x250
>>> [ 12.012481] [<ffffffff814e5964>] driver_register+0x64/0xf0
>>> [ 12.012483] [<ffffffff8141349c>] __pci_register_driver+0x4c/0x50
>>> [ 12.012489] [<ffffffffa00164ba>] drm_pci_init+0x10a/0x140 [drm]
>>> [ 12.012490] [<ffffffffa02bb000>] ? 0xffffffffa02bafff
>>> [ 12.012502] [<ffffffffa02bb089>] i915_init+0x89/0x90 [i915]
>>> [ 12.012503] [<ffffffff8100212c>] do_one_initcall+0xbc/0x1f0
>>> [ 12.012505] [<ffffffff811aa7d5>] ? kfree+0x125/0x160
>>> [ 12.012507] [<ffffffff81190a52>] ? __vunmap+0xb2/0x100
>>> [ 12.012510] [<ffffffff810ed15c>] load_module+0x15fc/0x1a30
>>> [ 12.012511] [<ffffffff810e8cf0>] ? store_uevent+0x40/0x40
>>> [ 12.012514] [<ffffffff810ed651>] SyS_init_module+0xc1/0x110
>>> [ 12.012517] [<ffffffff81837569>] system_call_fastpath+0x16/0x1b
>>> [ 12.012517] ---[ end trace e371d25afd03c5d0 ]---
>>> [ 12.065249] ata1: SATA link down (SStatus 0 SControl 300)
>>
>> --
>> Ville Syrjälä
>> Intel OTC
>
>
>
--
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