2014-07-29 02:43:13

by Aaron Lu

[permalink] [raw]
Subject: [LKP] [drm/i915] WARNING: CPU: 3 PID: 248 at drivers/gpu/drm/i915/intel_pm.c:6427 check_power_well_state+0x60/0x90 [i915]()

FYI, we noticed the below changes on

git://people.freedesktop.org/~danvet/drm colder-fusion
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)



Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.

Thanks,
Aaron


Attachments:
reproduce (293.00 B)
dmesg (145.69 kB)
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2014-07-29 10:14:37

by Ville Syrjälä

[permalink] [raw]
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 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?

> 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 Syrj?l?
Intel OTC

2014-07-29 11:10:35

by Daniel Vetter

[permalink] [raw]
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 Tue, Jul 29, 2014 at 12:14 PM, Ville Syrjälä
<[email protected]> 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

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



--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

2014-07-30 02:20:23

by Aaron Lu

[permalink] [raw]
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
> <[email protected]> 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
>
>
>

2014-07-30 09:40:12

by Daniel Vetter

[permalink] [raw]
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 Wed, Jul 30, 2014 at 4:20 AM, Aaron Lu <[email protected]> wrote:
> On 07/29/2014 07:10 PM, Daniel Vetter wrote:
>> On Tue, Jul 29, 2014 at 12:14 PM, Ville Syrjälä
>> <[email protected]> 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?

The old one is just my private repo, never contained official
branches. The one I've given is the official drm-intel git for
upstream.
-Daniel
--
Daniel Vetter
Software Engineer, Intel Corporation
+41 (0) 79 365 57 48 - http://blog.ffwll.ch

2014-07-31 02:19:39

by Aaron Lu

[permalink] [raw]
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
> <[email protected]> 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?

Just got a new report from LKP about this with linux-next tree:

FYI, we noticed the below changes on

git://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
commit b832b65ef7e695eac246c6dcb00316775a7a6cac ("drm/i915: Add chv cmnlane power wells")

+-----------------+------------+------------+
| | fac03ecbe8 | b832b65ef7 |
+-----------------+------------+------------+
| boot_successes | 10 | 10 |
| early-boot-hang | 1 | 1 |
+-----------------+------------+------------+


[ 12.287485] sd 3:0:0:0: Attached scsi generic sg0 type 0
[ 12.313542] [drm:vlv_set_power_well] *ERROR* timout setting power well state 03000000 (00000000)
[ 12.313545] ------------[ cut here ]------------
[ 12.313577] WARNING: CPU: 1 PID: 248 at drivers/gpu/drm/i915/intel_pm.c:6429 check_power_well_state+0x60/0x90 [i915]()
[ 12.313578] state mismatch for 'dpio-common-d' (always_on 0 hw state 1 use-count 0 disable_power_well 1
[ 12.313588] Modules linked in: sg sd_mod crct10dif_generic crct10dif_pclmul crc_t10dif crct10dif_common snd_hda_codec_hdmi snd_hda_codec_realtek snd_hda_codec_generic i915(+) firewire_ohci video serio_raw parport_pc floppy(+) nuvoton_cir parport firewire_core drm_kms_helper snd_hda_intel snd_hda_controller crc_itu_t rc_core snd_hda_codec snd_hwdep i2c_i801 snd_pcm drm ata_generic ahci pcspkr pata_acpi libahci snd_timer snd libata soundcore
[ 12.313590] CPU: 1 PID: 248 Comm: modprobe Not tainted 3.16.0-rc7-wl-02343-g9cca6ad #1
[ 12.313590] Hardware name: /DQ67SW, BIOS SWQ6710H.86A.0047.2011.0222.1058 02/22/2011
[ 12.313592] 0000000000000009 ffff88007faab2f8 ffffffff81836031 ffff88007faab340
[ 12.313593] ffff88007faab330 ffffffff8106d18d ffffffffa02a1860 ffffffffa02a1860
[ 12.313594] 0000000001000000 ffff88007f038568 ffff88007f030000 ffff88007faab390
[ 12.313594] Call Trace:
[ 12.313598] [<ffffffff81836031>] dump_stack+0x4d/0x66
[ 12.313601] [<ffffffff8106d18d>] warn_slowpath_common+0x7d/0xa0
[ 12.313603] [<ffffffff8106d1fc>] warn_slowpath_fmt+0x4c/0x50
[ 12.313614] [<ffffffffa01e585d>] ? vlv_power_well_enabled+0x7d/0xa0 [i915]
[ 12.313624] [<ffffffffa01e6160>] check_power_well_state+0x60/0x90 [i915]
[ 12.313635] [<ffffffffa01ed5c5>] intel_display_power_put+0xe5/0x160 [i915]
[ 12.313653] [<ffffffffa023752a>] intel_display_set_init_power+0x2a/0x50 [i915]
[ 12.313666] [<ffffffffa0237642>] modeset_update_crtc_power_domains+0xf2/0x150 [i915]
[ 12.313678] [<ffffffffa0237bae>] snb_modeset_global_resources+0xe/0x10 [i915]
[ 12.313689] [<ffffffffa0238ed8>] __intel_set_mode+0x5d8/0xab0 [i915]
[ 12.313701] [<ffffffffa0240d76>] intel_set_mode+0x16/0x30 [i915]
[ 12.313712] [<ffffffffa0241ccc>] intel_crtc_set_config+0x92c/0xe60 [i915]
[ 12.313723] [<ffffffffa00f51b4>] drm_mode_set_config_internal+0x64/0xf0 [drm]
[ 12.313727] [<ffffffffa01aa803>] restore_fbdev_mode+0xb3/0xe0 [drm_kms_helper]
[ 12.313730] [<ffffffffa01aa853>] drm_fb_helper_restore_fbdev_mode_unlocked+0x23/0x40 [drm_kms_helper]
[ 12.313733] [<ffffffffa01ac418>] drm_fb_helper_set_par+0x28/0x70 [drm_kms_helper]
[ 12.313747] [<ffffffffa024b58a>] intel_fbdev_set_par+0x1a/0x60 [i915]
[ 12.313749] [<ffffffff8143aa64>] fbcon_init+0x4f4/0x580
[ 12.313751] [<ffffffff814b1e48>] visual_init+0xb8/0x120
[ 12.313753] [<ffffffff814b4343>] do_bind_con_driver+0x163/0x330
[ 12.313755] [<ffffffff814b4ac4>] do_take_over_console+0x114/0x1c0
[ 12.313756] [<ffffffff814361b3>] do_fbcon_takeover+0x63/0xd0
[ 12.313757] [<ffffffff8143b50d>] fbcon_event_notify+0x68d/0x7e0
[ 12.313759] [<ffffffff8109523c>] notifier_call_chain+0x4c/0x70
[ 12.313761] [<ffffffff810955ad>] __blocking_notifier_call_chain+0x4d/0x70
[ 12.313762] [<ffffffff810955e6>] blocking_notifier_call_chain+0x16/0x20
[ 12.313764] [<ffffffff81441a4b>] fb_notifier_call_chain+0x1b/0x20
[ 12.313765] [<ffffffff81443c76>] register_framebuffer+0x1e6/0x320
[ 12.313768] [<ffffffffa01ac75e>] drm_fb_helper_initial_config+0x2fe/0x4b0 [drm_kms_helper]
[ 12.313780] [<ffffffffa02241da>] ? gen6_write32+0x6a/0x120 [i915]
[ 12.313793] [<ffffffffa024c71f>] intel_fbdev_initial_config+0x1f/0x30 [i915]
[ 12.313808] [<ffffffffa027101d>] i915_driver_load+0xfbd/0x1050 [i915]
[ 12.313810] [<ffffffff813e13d8>] ? kobject_uevent_env+0x178/0x690
[ 12.313811] [<ffffffff814e2687>] ? get_device+0x17/0x30
[ 12.313813] [<ffffffff814e7d15>] ? klist_class_dev_get+0x15/0x20
[ 12.313815] [<ffffffff8182490a>] ? klist_add_tail+0x3a/0x40
[ 12.313816] [<ffffffff814e3db9>] ? device_add+0x1f9/0x610
[ 12.313823] [<ffffffffa00f3156>] ? drm_sysfs_device_add+0xd6/0x120 [drm]
[ 12.313830] [<ffffffffa00ef77d>] drm_dev_register+0xad/0x100 [drm]
[ 12.313835] [<ffffffffa00f224f>] drm_get_pci_dev+0x8f/0x1f0 [drm]
[ 12.313847] [<ffffffffa01e059b>] i915_pci_probe+0x3b/0x60 [i915]
[ 12.313850] [<ffffffff81415ca5>] local_pci_probe+0x45/0xa0
[ 12.313851] [<ffffffff81416e35>] ? pci_match_device+0xe5/0x110
[ 12.313852] [<ffffffff81416f71>] pci_device_probe+0xd1/0x130
[ 12.313854] [<ffffffff814e6e50>] driver_probe_device+0x90/0x3c0
[ 12.313855] [<ffffffff814e7253>] __driver_attach+0x93/0xa0
[ 12.313856] [<ffffffff814e71c0>] ? __device_attach+0x40/0x40
[ 12.313857] [<ffffffff814e4ed3>] bus_for_each_dev+0x63/0xa0
[ 12.313859] [<ffffffff814e68ee>] driver_attach+0x1e/0x20
[ 12.313860] [<ffffffff814e6500>] bus_add_driver+0x180/0x250
[ 12.313861] [<ffffffff814e7a24>] driver_register+0x64/0xf0
[ 12.313863] [<ffffffff8141563c>] __pci_register_driver+0x4c/0x50
[ 12.313869] [<ffffffffa00f24ba>] drm_pci_init+0x10a/0x140 [drm]
[ 12.313870] [<ffffffffa02c8000>] ? 0xffffffffa02c7fff
[ 12.313881] [<ffffffffa02c8089>] i915_init+0x89/0x90 [i915]
[ 12.313883] [<ffffffff8100212c>] do_one_initcall+0xbc/0x1f0
[ 12.313885] [<ffffffff81190c82>] ? __vunmap+0xb2/0x100
[ 12.313887] [<ffffffff810ecf3c>] load_module+0x15fc/0x1a30
[ 12.313889] [<ffffffff810e8ad0>] ? store_uevent+0x40/0x40
[ 12.313891] [<ffffffff8119103c>] ? __vmalloc_node_range+0xbc/0x270
[ 12.313893] [<ffffffff810ed431>] SyS_init_module+0xc1/0x110
[ 12.313895] [<ffffffff8183ee29>] system_call_fastpath+0x16/0x1b
[ 12.313895] ---[ end trace 6f8134c1b1b0a071 ]---
[ 12.415667] [drm:vlv_set_power_well] *ERROR* timout setting power well state 00000c00 (00000000)



Disclaimer:
Results have been estimated based on internal Intel analysis and are provided
for informational purposes only. Any difference in system hardware or software
design or configuration may affect actual performance.


Attachments:
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2014-07-31 05:09:43

by Aaron Lu

[permalink] [raw]
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 Wed, Jul 30, 2014 at 11:40:05AM +0200, Daniel Vetter wrote:
> On Wed, Jul 30, 2014 at 4:20 AM, Aaron Lu <[email protected]> wrote:
> > On 07/29/2014 07:10 PM, Daniel Vetter wrote:
> >> On Tue, Jul 29, 2014 at 12:14 PM, Ville Syrj?l?
> >> <[email protected]> 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?
>
> The old one is just my private repo, never contained official
> branches. The one I've given is the official drm-intel git for
> upstream.

Thanks for the clarification, we have removed your private repo.

Regards,
Aaron