[Bug 93782] [i9xx TV][BISECT] vblank wait timeout on crtc

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=93782

--- Comment #30 from José Jorge <lists.jjorge at free.fr> ---
Same here with Mageia Cauldron, the bug was not there with kernels 4.7.x, it
came with 4.8.x.

Still here with 4.8.12 :

[   12.768066] [drm:drm_atomic_helper_commit_cleanup_done [drm_kms_helper]]
*ERROR* [CRTC:26:pipe A] flip_done timed out
[   12.869022] ------------[ cut here ]------------
[   12.869057] WARNING: CPU: 0 PID: 91 at drivers/gpu/drm/drm_irq.c:1224
drm_wait_one_vblank+0x199/0x1a0 [drm]
[   12.869058] vblank wait timed out on crtc 0
[   12.869059] Modules linked in: i915 video button i2c_algo_bit drm_kms_helper
drm ide_pci_generic piix ide_core ata_generic pata_acpi ata_piix
[   12.869072] CPU: 0 PID: 91 Comm: kworker/u4:5 Not tainted
4.8.12-desktop-1.mga6 #1
[   12.869074] Hardware name: Acer       Aspire 5315     /Acadia   , BIOS V1.45
11/10/2008
[   12.869081] Workqueue: events_unbound async_run_entry_fn
[   12.869083]  0000000000000000 ffff9dc5b78bba20 ffffffff88417b1e
ffff9dc5b78bba70
[   12.869087]  0000000000000000 ffff9dc5b78bba60 ffffffff8807018b
000004c8ff20fc40
[   12.869090]  ffff9dc5b7c20000 0000000000000000 0000000000000000
0000000001000001
[   12.869093] Call Trace:
[   12.869099]  [<ffffffff88417b1e>] dump_stack+0x63/0x85
[   12.869102]  [<ffffffff8807018b>] __warn+0xcb/0xf0
[   12.869104]  [<ffffffff880701ff>] warn_slowpath_fmt+0x4f/0x60
[   12.869108]  [<ffffffff8873cbfe>] ? _raw_spin_unlock_irqrestore+0xe/0x10
[   12.869112]  [<ffffffff880aecd5>] ? finish_wait+0x55/0x70
[   12.869127]  [<ffffffffc03c4b19>] drm_wait_one_vblank+0x199/0x1a0 [drm]
[   12.869130]  [<ffffffff880af160>] ? wake_atomic_t_function+0x60/0x60
[   12.869201]  [<ffffffffc04e3e78>] intel_get_load_detect_pipe+0x618/0x630
[i915]
[   12.869250]  [<ffffffffc051fe13>] intel_tv_detect+0x113/0x5b0 [i915]
[   12.869260]  [<ffffffffc043aeee>]
drm_helper_probe_single_connector_modes+0x27e/0x540 [drm_kms_helper]
[   12.869270]  [<ffffffffc04490f1>] drm_fb_helper_initial_config+0x81/0x3f0
[drm_kms_helper]
[   12.869317]  [<ffffffffc04fa2e8>] intel_fbdev_initial_config+0x18/0x30
[i915]
[   12.869319]  [<ffffffff880917e7>] async_run_entry_fn+0x37/0x150
[   12.869322]  [<ffffffff880893f6>] process_one_work+0x166/0x4a0
[   12.869325]  [<ffffffff8808977b>] worker_thread+0x4b/0x4f0
[   12.869327]  [<ffffffff88089730>] ? process_one_work+0x4a0/0x4a0
[   12.869329]  [<ffffffff88089730>] ? process_one_work+0x4a0/0x4a0
[   12.869331]  [<ffffffff8808ef99>] kthread+0xc9/0xe0
[   12.869334]  [<ffffffff8873d25f>] ret_from_fork+0x1f/0x40
[   12.869336]  [<ffffffff8808eed0>] ? kthread_worker_fn+0x180/0x180
[   12.869338] ---[ end trace 0a4c4b6782c36413 ]---

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