[Bug 86000] 2-3 second black screen on MacBook Pro 11,1 (13" retina)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=86000

--- Comment #5 from samcurry <haskell.curry1909 at gmail.com> ---
OK, it's rather frustrating today: computer is idle, but every 30 seconds or so
it happens. Here's some output (note that the timestamps in `dmesg` don't
actually reflect wall time).

Now that I'm interacting with the machine, it seems to have let up a bit... So
weird. Currently no USB devices connected, running on battery.

13:38:11 $ dmesg -T | tail
[Fri Nov  7 06:59:13 2014]  [<ffffffff81087d3b>] ?
__queue_delayed_work+0x8b/0x1c0
[Fri Nov  7 06:59:13 2014]  [<ffffffff813b6e4a>] pm_runtime_work+0x7a/0xd0
[Fri Nov  7 06:59:13 2014]  [<ffffffff81088b85>] process_one_work+0x145/0x400
[Fri Nov  7 06:59:13 2014]  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
[Fri Nov  7 06:59:13 2014]  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
[Fri Nov  7 06:59:13 2014]  [<ffffffff8108e06a>] kthread+0xea/0x100
[Fri Nov  7 06:59:13 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 06:59:13 2014]  [<ffffffff8153c6fc>] ret_from_fork+0x7c/0xb0
[Fri Nov  7 06:59:13 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 06:59:13 2014] ---[ end trace 1521c397a8b333ed ]---
13:38:20 $ dmesg -T | tail
[Fri Nov  7 06:59:49 2014]  [<ffffffff81087d3b>] ?
__queue_delayed_work+0x8b/0x1c0
[Fri Nov  7 06:59:49 2014]  [<ffffffff813b6e4a>] pm_runtime_work+0x7a/0xd0
[Fri Nov  7 06:59:49 2014]  [<ffffffff81088b85>] process_one_work+0x145/0x400
[Fri Nov  7 06:59:49 2014]  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
[Fri Nov  7 06:59:49 2014]  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
[Fri Nov  7 06:59:49 2014]  [<ffffffff8108e06a>] kthread+0xea/0x100
[Fri Nov  7 06:59:49 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 06:59:49 2014]  [<ffffffff8153c6fc>] ret_from_fork+0x7c/0xb0
[Fri Nov  7 06:59:49 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 06:59:49 2014] ---[ end trace 1521c397a8b333f2 ]---
13:38:46 $ dmesg -T | tail
[Fri Nov  7 07:00:03 2014]  [<ffffffffa00babb1>] ? kcryptd_crypt+0x211/0x4b9
[dm_crypt]
[Fri Nov  7 07:00:03 2014]  [<ffffffff813b6e4a>] pm_runtime_work+0x7a/0xd0
[Fri Nov  7 07:00:03 2014]  [<ffffffff81088b85>] process_one_work+0x145/0x400
[Fri Nov  7 07:00:03 2014]  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
[Fri Nov  7 07:00:03 2014]  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
[Fri Nov  7 07:00:03 2014]  [<ffffffff8108e06a>] kthread+0xea/0x100
[Fri Nov  7 07:00:03 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:00:03 2014]  [<ffffffff8153c6fc>] ret_from_fork+0x7c/0xb0
[Fri Nov  7 07:00:03 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:00:03 2014] ---[ end trace 1521c397a8b333f7 ]---
13:39:09 $ dmesg -T | tail
[Fri Nov  7 07:00:33 2014]  [<ffffffff81087d3b>] ?
__queue_delayed_work+0x8b/0x1c0
[Fri Nov  7 07:00:33 2014]  [<ffffffff813b6e4a>] pm_runtime_work+0x7a/0xd0
[Fri Nov  7 07:00:33 2014]  [<ffffffff81088b85>] process_one_work+0x145/0x400
[Fri Nov  7 07:00:33 2014]  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
[Fri Nov  7 07:00:33 2014]  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
[Fri Nov  7 07:00:33 2014]  [<ffffffff8108e06a>] kthread+0xea/0x100
[Fri Nov  7 07:00:33 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:00:33 2014]  [<ffffffff8153c6fc>] ret_from_fork+0x7c/0xb0
[Fri Nov  7 07:00:33 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:00:33 2014] ---[ end trace 1521c397a8b333fc ]---
13:39:32 $ dmesg -T | tail
[Fri Nov  7 07:00:49 2014]  [<ffffffff81087d3b>] ?
__queue_delayed_work+0x8b/0x1c0
[Fri Nov  7 07:00:49 2014]  [<ffffffff813b6e4a>] pm_runtime_work+0x7a/0xd0
[Fri Nov  7 07:00:49 2014]  [<ffffffff81088b85>] process_one_work+0x145/0x400
[Fri Nov  7 07:00:49 2014]  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
[Fri Nov  7 07:00:49 2014]  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
[Fri Nov  7 07:00:49 2014]  [<ffffffff8108e06a>] kthread+0xea/0x100
[Fri Nov  7 07:00:49 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:00:49 2014]  [<ffffffff8153c6fc>] ret_from_fork+0x7c/0xb0
[Fri Nov  7 07:00:49 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:00:49 2014] ---[ end trace 1521c397a8b33401 ]---
13:39:45 $ dmesg -T | tail
[Fri Nov  7 07:01:01 2014]  [<ffffffff813b6e4a>] pm_runtime_work+0x7a/0xd0
[Fri Nov  7 07:01:01 2014]  [<ffffffff81088b85>] process_one_work+0x145/0x400
[Fri Nov  7 07:01:01 2014]  [<ffffffff8108914b>] worker_thread+0x6b/0x4a0
[Fri Nov  7 07:01:01 2014]  [<ffffffff810890e0>] ? init_pwq.part.22+0x10/0x10
[Fri Nov  7 07:01:01 2014]  [<ffffffff8108e06a>] kthread+0xea/0x100
[Fri Nov  7 07:01:01 2014]  [<ffffffff81070000>] ?
register_exec_domain+0x20/0xa0
[Fri Nov  7 07:01:01 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:01:01 2014]  [<ffffffff8153c6fc>] ret_from_fork+0x7c/0xb0
[Fri Nov  7 07:01:01 2014]  [<ffffffff8108df80>] ?
kthread_create_on_node+0x1b0/0x1b0
[Fri Nov  7 07:01:01 2014] ---[ end trace 1521c397a8b33406 ]---

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