[Bug 91221] [g45] intel_check_page_flip warning in dmesg

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=91221

Vladimir Lalov <mail at vlalov.com> changed:

           What    |Removed                     |Added
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                 CC|                            |mail at vlalov.com

--- Comment #11 from Vladimir Lalov <mail at vlalov.com> ---
(In reply to Jani Nikula from comment #5)
> Looks like a duplicate, fixed by
> 
> commit 7d47559ee84b3ac206aa9e675606fafcd7c0b500
> Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
> Date:   Wed Dec 17 23:08:03 2014 +0200
> 
>     drm/i915: Don't call intel_prepare_page_flip() multiple times on gen2-4
> 
> in v3.19. Thanks for the report, please do reopen if the problem occurs with
> v3.19.
> 
> *** This bug has been marked as a duplicate of bug 88381 ***

Hi,
I'm seeing this with v3.19.3 and HD Graphics 5500 (i7 5500U):

[  260.432681] WARNING: CPU: 2 PID: 0 at
drivers/gpu/drm/i915/intel_display.c:9713 intel_check_page_flip+0xd1/0xe0
[i915]()
[  260.432683] Kicking stuck page flip: queued at 15178, now 15198
[  260.432684] Modules linked in: bbswitch(O) ctr ccm rfcomm af_packet bnep
uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev
hid_multitouch ecb nls_iso8859_1 nls_cp437 vfat fat fuse btusb bluetooth
hid_sensor_hub iTCO_wdt rtsx_pci_ms rtsx_p
ci_sdmmc arc4 mmc_core memstick iTCO_vendor_support snd_hda_codec_realtek
snd_hda_codec_generic x86_pkg_temp_thermal snd_hda_codec_hdmi intel_powerclamp
coretemp kvm_intel kvm snd_hda_intel snd_hda_controller snd_hda_codec
crct10dif_pclmul snd_hwdep crc32_pclmul ghash_cl
mulni_intel snd_pcm cryptd iwlmvm mac80211 iwlwifi battery cfg80211 rtsx_pci
joydev snd_timer lpc_ich ac rfkill snd shpchp i2c_i801 mfd_core pcspkr xhci_pci
soundcore xhci_hcd mei_me serio_raw mei processor acpi_pad efivarfs btrfs xor
raid6_pq crc32c_intel i915 i2c_algo_
bit
[  260.432712]  drm_kms_helper drm wmi video button dm_mod sg
[  260.432717] CPU: 2 PID: 0 Comm: swapper/2 Tainted: G           O   3.19.3 #2
[  260.432719] Hardware name: LENOVO 20DQCTO1WW/20DQCTO1WW, BIOS N19ET33W (1.06
) 01/30/2015
[  260.432720]  ffffffffa018a958 ffff88043ec83d88 ffffffff816450dc
0000000000000000
[  260.432722]  ffff88043ec83dd8 ffff88043ec83dc8 ffffffff810578dc
ffff88043ec83dd8
[  260.432724]  ffff88042bdb7000 ffff880428485800 ffff8804284859a8
0000000000000000
[  260.432726] Call Trace:
[  260.432727]  <IRQ>  [<ffffffff816450dc>] dump_stack+0x4c/0x6e
[  260.432736]  [<ffffffff810578dc>] warn_slowpath_common+0x8c/0xd0
[  260.432738]  [<ffffffff81057966>] warn_slowpath_fmt+0x46/0x50
[  260.432749]  [<ffffffffa01377b1>] intel_check_page_flip+0xd1/0xe0 [i915]
[  260.432759]  [<ffffffffa01069be>] gen8_irq_handler+0x39e/0x4a0 [i915]
[  260.432762]  [<ffffffff810a0e0e>] handle_irq_event_percpu+0x3e/0x1f0
[  260.432764]  [<ffffffff810a1007>] handle_irq_event+0x47/0x70
[  260.432766]  [<ffffffff810a3fbd>] handle_edge_irq+0x8d/0x140
[  260.432769]  [<ffffffff810053a5>] handle_irq+0x25/0x40
[  260.432772]  [<ffffffff8164e0b1>] do_IRQ+0x51/0xf0
[  260.432774]  [<ffffffff8164c42a>] common_interrupt+0x6a/0x6a
[  260.432775]  <EOI>  [<ffffffff81507304>] ? cpuidle_enter_state+0x74/0x1b0
[  260.432779]  [<ffffffff815072ed>] ? cpuidle_enter_state+0x5d/0x1b0
[  260.432781]  [<ffffffff815074f7>] cpuidle_enter+0x17/0x20
[  260.432784]  [<ffffffff81095e44>] cpu_startup_entry+0x354/0x3f0
[  260.432787]  [<ffffffff810bf803>] ? clockevents_register_device+0xe3/0x140
[  260.432790]  [<ffffffff810332c9>] start_secondary+0x199/0x1c0
[  260.432792] ---[ end trace 3ce82185cd62eb6d ]---

For instance it happens every time I rotate any screen in KDE with Compiz.

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