[Bug 90313] [i915] drivers/gpu/drm/i915/intel_display.c:9713 intel_check_page_flip+0xda/0xf0 [i915]()

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90313

--- Comment #5 from Viktor Kuzmin <kvaster at gmail.com> ---
Same porblem on my box. I can reproduce this very often mostly using chromium.
My options for i915 driver: options i915 enable_rc6=7 enable_fbc=1
lvds_downclock=1 semaphores=1
My box is gentoo box with 4.1.2 kernel.
I had no such problems before 4.1.x kernel...



------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at drivers/gpu/drm/i915/intel_display.c:10098
intel_check_page_flip+0xe2/0xf0 [i915]()
Kicking stuck page flip: queued at 1597269, now 1597279
Modules linked in: thunderbolt msr bnep btusb btbcm btintel bluetooth bcm5974
snd_hda_codec_hdmi wl(PO) nouveau snd_hda_codec_cirrus intel_rapl
snd_hda_codec_generic i915 iosf_mbi x86_pkg_temp_thermal coretemp kvm_intel
snd_hda_intel ttm snd_hda_controller kvm intel_gtt snd_hda_codec i2c_algo_bit
drm_kms_helper snd_hwdep snd_hda_core applesmc snd_pcm ghash_clmulni_intel
input_polldev drm snd_timer i2c_i801 shpchp sbs battery sbshc apple_gmux evdev
apple_bl ac mac_hid processor efivarfs sha256_generic tg3 ptp pps_core libphy
fuse nfs lockd grace sunrpc fscache ext3 jbd ext2 firewire_core crc_itu_t
usb_storage [last unloaded: thunderbolt]
CPU: 0 PID: 0 Comm: swapper/0 Tainted: P     U     O    4.1.2-gentoo #2
Hardware name: Apple Inc. MacBookPro11,3/Mac-2BD1B31983FE1663, BIOS
MBP112.88Z.0138.B14.1501071031 01/07/2015
 0000000000000000 ffffffffa0b0a570 ffffffff815dadf8 ffff88047f203db8
 ffffffff81070d9c ffff88046c947000 ffff880469054000 ffff8804690541a0
 0000000000000000 0000000000000000 ffffffff81070e15 ffffffffa0b0d410
Call Trace:
 <IRQ>  [<ffffffff815dadf8>] ? dump_stack+0x4a/0x74
 [<ffffffff81070d9c>] ? warn_slowpath_common+0x7c/0xb0
 [<ffffffff81070e15>] ? warn_slowpath_fmt+0x45/0x50
 [<ffffffffa0a9a478>] ? __intel_pageflip_stall_check+0xb8/0x100 [i915]
 [<ffffffffa0aae272>] ? intel_check_page_flip+0xe2/0xf0 [i915]
 [<ffffffffa0a7aa21>] ? ironlake_irq_handler+0x2e1/0x1020 [i915]
 [<ffffffff810cb521>] ? enqueue_hrtimer+0x21/0xa0
 [<ffffffff815dfa23>] ? _raw_spin_unlock_irqrestore+0x13/0x40
 [<ffffffff810cbbed>] ? __hrtimer_start_range_ns+0x20d/0x3f0
 [<ffffffff810bbbd0>] ? handle_irq_event_percpu+0x30/0x1e0
 [<ffffffff810bbdb3>] ? handle_irq_event+0x33/0x50
 [<ffffffff810bea26>] ? handle_edge_irq+0xb6/0x130
 [<ffffffff81004f05>] ? handle_irq+0x15/0x30
 [<ffffffff8100479d>] ? do_IRQ+0x4d/0xf0
 [<ffffffff815e0c6b>] ? common_interrupt+0x6b/0x6b
 <EOI>  [<ffffffff814cc87a>] ? cpuidle_enter_state+0x9a/0x230
 [<ffffffff814cc853>] ? cpuidle_enter_state+0x73/0x230
 [<ffffffff810a8853>] ? cpu_startup_entry+0x253/0x410
 [<ffffffff818f7e22>] ? start_kernel+0x409/0x414
---[ end trace 94dd602ed46d7d30 ]---

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