[Bug 94605] [SKL] Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94605

--- Comment #67 from syphyr at gmail.com ---
System information:
dmesg | head -n 1
[    0.000000] Linux version 4.8.0-994-generic (root at droid) (gcc version 5.4.0
20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.2) ) #201610040014 SMP Wed Oct 5 12:12:16
CEST 2016
lspci -s 00:02.0
00:02.0 VGA compatible controller: Intel Corporation Sky Lake Integrated
Graphics (rev 07)

I'm using ubuntu 16.04 with the following kernel:

git clone
git://git.launchpad.net/~ubuntu-kernel-test/ubuntu/+source/linux/+git/mainline-crack
git reset --hard c8d2bc9  (use latest stable linux 4.8 kernel)

git fetch
git://git.launchpad.net/~ubuntu-kernel-test/ubuntu/+source/linux/+git/mainline-crack
cod/tip/drm-intel-nightly/2016-10-04
git merge FETCH_HEAD

The FIFO underrun seems fixed now!

My only issue is after merging the latest drm nightly to mainline is that zfs
support no longer builds in ubuntu.  I had to disable zfs to get it to build. 
If anyone can tell me how to fix this..I would appreciate it.

diff --git a/debian.master/rules.d/amd64.mk b/debian.master/rules.d/amd64.mk
index 24d3cf6..ee9da01 100644
--- a/debian.master/rules.d/amd64.mk
+++ b/debian.master/rules.d/amd64.mk
@@ -17,4 +17,4 @@ do_tools_x86  = true
 do_tools_hyperv        = true
 do_extras_package = true
 do_tools_common = true
-do_zfs         = true
+#do_zfs                = true

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