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<b><a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [SKL] Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94605#c67">Comment # 67</a>
on <a class="bz_bug_link
bz_status_NEEDINFO "
title="NEEDINFO - [SKL] Flashing black screen ([drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU pipe A FIFO underrun)"
href="https://bugs.freedesktop.org/show_bug.cgi?id=94605">bug 94605</a>
from <span class="vcard"><a class="email" href="mailto:syphyr@gmail.com" title="syphyr@gmail.com">syphyr@gmail.com</a>
</span></b>
<pre>System information:
dmesg | head -n 1
[ 0.000000] Linux version 4.8.0-994-generic (root@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</pre>
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