[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

Yeah, we tried to do the bisect (see the history). For whatever reason
it wasn't successful. Unfortunately I haven't the knowledge to do the
bisect on my own.

** Summary changed:

- Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge
+ All Kernels since 4.2.8 result in a black screen on boot

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  All Kernels since 4.2.8 result in a black screen on boot

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Kai-Heng Feng]

You need to do a kernel bisection.
Build kernel yourself will be a much faster process.

Also, give daily build iso [1] a try - maybe the fix is in userspace.

[1] http://cdimages.ubuntu.com/daily-live/current/artful-desktop-
amd64.iso

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

Yes.  It happens on 4.13-rc1. Black Screen.

The last good version of the kernel was 4.2.8 - all others since give me
the black screen.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Kai-Heng Feng]

Does it happen on v4.13-rc1?

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

Could we give this a try again? The issue still exists even with the
newest mainline kernels. I'm still stuck with Linux 4.2.9.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Launchpad Bug Tracker]

[Expired for linux (Ubuntu) because there has been no activity for 60
days.]

** Changed in: linux (Ubuntu)
   Status: Incomplete => Expired

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Launchpad Bug Tracker]

[Expired for linux (Ubuntu Xenial) because there has been no activity
for 60 days.]

** Changed in: linux (Ubuntu Xenial)
   Status: Incomplete => Expired

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

** Changed in: linux (Ubuntu)
   Status: In Progress => Incomplete

** Changed in: linux (Ubuntu Xenial)
   Status: In Progress => Incomplete

** Changed in: linux (Ubuntu)
 Assignee: Joseph Salisbury (jsalisbury) => (unassigned)

** Changed in: linux (Ubuntu Xenial)
 Assignee: Joseph Salisbury (jsalisbury) => (unassigned)

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

Ok, since we keep running into this second bug, it would probably be
better to bisect the Ubuntu kernels, versus the Upstream ones.  There
may be a fix in Ubuntu that prevents this second bug.

To do that, we also need to find the last good Ubuntu kenrel and the
first bad one.  The last 4.2 based kernel before a fork to 4.3 for
Xenial was: 4.2.0-16.19

The first kernel based on v4.3-rc1 was: 4.3.0-0.9, so we should be able
to bisect between those two.

Can you first test the following two kernels and confirm 4.2.0-16.19 is good 
and 4.3.0-0.9 is bad.
4.2.0-16.19: 
https://launchpad.net/~canonical-kernel-team/+archive/ubuntu/ppa/+build/8287818
4.3.0-0.9: https://launchpad.net/ubuntu/+source/linux/4.3.0-0.9/+build/8360668

NOTE: With both these kernels, you have to install both the linux-image
and linux-image-extra .deb packages.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

As expected, the 4.9 kernel gives me the black screen on boot.  In
addition, I'm getting all kinds of screen tearing when I boot into the
desktop (blindly of course) with this kernel, unlike the others.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

It does appear the drm images have not been compiling for amd64.  It
might be a good idea to test 4.9-rc4.  It is available from:

http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9-rc4/

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

@jsalisbury

Unfortunately none of the builds I could use compiled correctly.  I'll
have to wait until there's a successful build. Could I use the mainline
4.9?

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[William Hardwick]

I can report that I ran into the same issue. I'm using Ubuntu 16.04 LTS
and I got the blinking cursor in the upper left corner at the sd_crypt
password screen (although it's not a "black" screen, it's the standard
splash screen with password prompt).

If I disable the "splash" option in grub, I can enter my encryption
password at the prompt and see the normal login screen from then on, but
once booted into Ubuntu videos will play very slow/choppy, so it doesn't
work correctly. (This is with the default kernel, 4.4.0-45-generic.)

If I choose to boot with the 4.4.0-31-generic kernel, the graphics are
working normally from start to finish (sd_crypt screen, login screen,
etc. all work), so that seems to be an acceptable workaround for people
in the same situation as me.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I think this is where our bisect went wrong.  I'll take a look at this
commits to see if this should be marked good or bad.

In the mean time, can you give the latest drm kernel a test?  It is available 
from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/drm-intel-nightly/2016-11-04/

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

Sorry for the delay I was on holiday over the past week.

I've tested linux-
image-4.1.0-040100rc6-generic_4.1.0-040100rc6.201610211158_amd64.deb

It gives me the second issue where it get's stuck in the console (with
the blinking cursor in the upper left corner) before booting into
Plymouth. Requires a physical reboot (i.e. pressing the power button).

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
97d3308ab245c51ae237b3444afa7ae87aa9bcd4

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

linux-
image-4.2.0-040200rc6-generic_4.2.0-040200rc6.201610191537_amd64.deb

This kernel works fine. I do not get the blackscreen.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
d2944cf21305c754fa8b2d6c1eea05ad5dad7944

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

linux-
image-4.2.0-040200rc7-generic_4.2.0-040200rc7.201610181505_amd64.deb

This kernel works.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I started a second bisect and built the first test kernel up to commit:
2c6625cd545bdd66acff14f3394865d43920a5c7

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

This one is just like the other kernels.  I get a blackscreen on boot
but can blindly log in.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I'll restart the bisect using the last good and bad test commits:

good abebcdfb64f1b39eeeb14282d9cd4aad1ed86f8d
bad bef2c7bd578e91c9c10983e0c15c4501127b77ca

Can you also give the v4.9-rc1 kernel a try?  It can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.9-rc1/

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

maybe on comments 45-46? I wasn't sure what to test.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

It looks like our bisect when wrong if that kernel with the reverts
doesn't fix the bug.  I'll review what kernels were reported good vs bad
and see where we could have gone wrong.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

Hi Again.  I decided to try something new today. As I mentioned
previously, when I boot it goes directly into a blackscreen - but I
believed I could blindly log in.  So today I did the following:

1. Cleared my syslog (just wanted to see if there were obvious errors going 
forward) 
2. Rebooted my computer (with the 4.4x kernel) 
3. As soon as the screen turned black I entered in the pass-phrase  for the 
encryption. 
4. I waited until the HDD light stopped flashing
5. Once the HDD stopped flashing, I entered my login password (again- I'm doing 
this blindly as I could not see anything). 
6. The screen flashed for a second and the desktop actually loaded! 

Not sure if this helps your investigation or not but I hope so.

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

Please disregard my previous post. I didn't see the "revert" folder
before.  I assume now that this is the correct folder.

>From the "revert" folder I installed the following:

linux-headers-4.4.0-43_4.4.0-43.63~lp1609242Commitb1b38278Reverted_all.deb
linux-headers-4.4.0-43-generic_4.4.0-43.63~lp1609242Commitb1b38278Reverted_amd64.deb
linux-image-4.4.0-43-generic_4.4.0-43.63~lp1609242Commitb1b38278Reverted_amd64.deb
linux-image-extra-4.4.0-43-generic_4.4.0-43.63~lp1609242Commitb1b38278Reverted_amd64.deb

Installing this produces the same results as all other kernels in the
4.4-4.8 series. I get a black screen on boot.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

@jsalisbury

Sorry for my ignorance but could you help me understand something?

In the past you were putting the kernels in the root folder. This time
there were no kernels in the root folder.  I assumed that I should go to
the folder with the same commit number
(b1b38278e12b04cf9a227f6af2c24651cf6e8a85).

You then mention that I must install the linux-extra package but there's
no extras package in that folder.

Could you please clarify the steps I need to take?

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

The bisect reported the following as the first bad commit:

commit b1b38278e12b04cf9a227f6af2c24651cf6e8a85
Author: David Weinehall 
Date:   Wed May 20 17:00:13 2015 +0300

drm/i915: add a context parameter to {en, dis}able zero address
mapping


I built a Xenial test kernel with this commit reverted.  The test kernel can be 
downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not?

Note, to test this kernel, you need to install both the linux-image adn
linux-image-extra .deb packages.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[aproposnix]

Same issue as before. As with all of the 4.1 kernels, the screen freezes
before going into Plymouth. Only the cursor is visible and I have to
manually restart the computer.

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
b1b38278e12b04cf9a227f6af2c24651cf6e8a85

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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Title:
  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Same issue as before. As with all of the 4.1 kernels, the screen freezes
before going into Plymouth.  Only the cursor is visible and I have to
manually restart the computer.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
0d2e42970cfa8814ce5f73e329f61c94b7ec2dab

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Just for kicks, I went ahead and tried booting into the latest 16.10
beta. As expected, I get the black screen on boot.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

@jsalisbury If I'm not mistaken, I think we have one more kernel to
test. Would it be possible to test the last one today?

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Same as before with this one:

>This one was broken but not in the same way. With this >one, right
after the PC booted it gets stuck in a >console (only a blinking cursor
in the upper left corner) >right before plymouth is supposed to load.

>The keyboard and everything else is unresponsive. I had >to physically
restart the computer.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
5fcece80ecdac932a0acb71e3a239c39dd4af20f

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Same as before with this one:

>This one was broken but not in the same way. With this >one, right
after the PC booted it gets stuck in a console >(only a blinking cursor
in the upper left corner) right >before plymouth is supposed to load.

>The keyboard and everything else is unresponsive. I had >to physically
>restart the computer.

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Title:
  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

Yes, there is no need to install the headers.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

@jsalisbury the "all" headers are missing. Should I install without?

** Attachment added: "Selection_019.png"
   
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1609242/+attachment/4741153/+files/Selection_019.png

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

Sorry for the delay.  There are about 3 more test kernels for the
bisect.

I built the next test kernel, up to the following commit:
318bd821d65d37fb12c5673607e2b013f7a86a01

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

@jsalisbury How's it looking with this bug? Are we any closer to find
the root cause? Please let me know how I can help further. I'm ready to
test whatever you throw at me :)

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Same as before with this one:

>This one was broken but not in the same way. With this one, right
>after the PC booted it gets stuck in a console (only a blinking >cursor
in the upper left corner) right before plymouth is supposed to >load.

>The keyboard and everything else is unresponsive. I had to physically
>restart the computer.

I will say, maybe it's evident to everyone, but I keep seeing similar
messages in all broken kernels while installing:

>W: Possible missing firmware >/lib/firmware/i915/skl_dmc_ver4.bin for
module i915

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
623e01e53927b05e96781532bdb40536e833e276

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Hi All,

Until this issue is resolved, is there anything I could do to protect
myself (esp., since I'm not getting any security updates using the
mainline 4.2.8 kernel)?

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Same as before with this one:

>This one was broken but not in the same way. With this one, right
>after the PC booted it gets stuck in a console (only a blinking >cursor
in the upper left corner) right before plymouth is supposed to >load.

>The keyboard and everything else is unresponsive. I had to physically
>restart the computer.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
70d0c5742013b888a9254f54ee527e9941171297

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Same as before with this one:

>This one was broken but not in the same way. With this one, right
>after the PC booted it gets stuck in a console (only a blinking >cursor
in the upper left corner) right before plymouth is supposed to >load.

>The keyboard and everything else is unresponsive. I had to physically
>restart the computer.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
c0165304e10f317672e20f2b40770d74c51e287f

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Same as before with this one:


>This one was broken but not in the same way. With this one, right >after the 
>PC booted it gets stuck in a console (only a blinking >cursor in the upper 
>left corner) right before plymouth is supposed to >load.

>The keyboard and everything else is unresponsive. I had to physically
>restart the computer.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
75289874e4484cd4702b3341b654b45b4a09b9d3

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

I went ahead and installed linux-
image-4.1.0-040100rc6-generic_4.1.0-040100rc6.201608291255_amd64

As with the last kernel:
>This one was broken but not in the same way. With this one, right >after the 
>PC booted it gets stuck in a console (only a blinking >cursor in the upper 
>left corner) right before plymouth is supposed to >load.

>The keyboard and everything else is unresponsive. I had to physically
>restart the computer.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Joseph,

It appears that there are two kernels in the list.  Which one should I
use? Both?

For example: 
linux-headers-4.1.0-040100rc6_4.1.0-040100rc6.201608291255_all.deb
linux-headers-4.1.0-040100rc6_4.1.0-040100rc6.201608231554_all.deb

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
430b7ad5d3d07e9869085d777264a37ae2dd5c26

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

This one was broken but not in the same way.  With this one, right after
the PC booted it gets stuck in a console (only a blinking cursor in the
upper left corner) right before plymouth is supposed to load.

The keyboard and everything else is unresponsive. I had to physically
restart the computer.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
97d3308ab245c51ae237b3444afa7ae87aa9bcd4

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

this one is broken. Same blackscreen.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
bef2c7bd578e91c9c10983e0c15c4501127b77ca

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

this one works. It boots without blackscreen.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

That kernel means that it was commited after the first bad commit that
caused this bug.  There are still about 10 kernels to test for the
bisect.  Some of them will be bad and some will be good.  Eventually we
will be able to narrow it down to one commit.

I built the next test kernel, up to the following commit:
abebcdfb64f1b39eeeb14282d9cd4aad1ed86f8d

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

OK. That one is broken. Does that mean it's the culprit?

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

No need to test the low latency kernel.  Testing just the generic kernel
is fine.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I built the next test kernel, up to the following commit:
f377ea88b862bf7151be96d276f4cb740f8e1c41

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not? I
will build the next test kernel based on your test results.

Thanks in advance

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Title:
  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

@Joseph - I only tested the generic kernel. Did you want me to test the
low latency kernel as well?

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Title:
  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

No problem with the test kernel. It boots without issue.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

I started a kernel bisect between v4.2 final and v4.3-rc1. The kernel
bisect will require testing of about 7-10 test kernels.

I built the first test kernel, up to the following commit:
dd5cdb48edfd34401799056a9acf61078d773f90

The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1609242

Can you test that kernel and report back if it has the bug or not?  I
will build the next test kernel based on your test results.

Thanks in advance

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

Done. No issues with 4.2 Final.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

Can you test 4.2 final, since it is linear to 4.3-rc1.  If it is good,
we can bisect between 4.2 final and 4.3-rc1, which will identify the
commit that introduced this regression.

The 4.2 final kernel can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.2-wily/

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

OK. Some success. :)

I created an Ubuntu 16.04 bootable flash with Unetbootin.

At the boot page, I clicked on tab which enabled me to add 'nomodeset'
to the boot parameters.  It then booted (weird digital artifacts for a
second) into the desktop with the 4.4 Kernel.

When logging out I accidentally clicked on the Sleep command.  This was
interesting because when it 'woke up' I had a blackscreen again.

I also managed to get the modinfo if it's useful at all:

ubuntu@ubuntu:~$ modinfo i915
filename:   
/lib/modules/4.4.0-31-generic/kernel/drivers/gpu/drm/i915/i915.ko
license:GPL and additional rights
description:Intel Graphics
author: Intel Corporation
author: Tungsten Graphics, Inc.
firmware:   i915/bxt_dmc_ver1.bin
firmware:   i915/skl_dmc_ver1.bin
firmware:   i915/skl_guc_ver4.bin
srcversion: 6247501712EC8B949DDED97
alias:  pci:v8086d22B3sv*sd*bc03sc*i*
alias:  pci:v8086d22B2sv*sd*bc03sc*i*
alias:  pci:v8086d22B1sv*sd*bc03sc*i*
alias:  pci:v8086d22B0sv*sd*bc03sc*i*
alias:  pci:v8086d162Dsv*sd*bc03sc*i*
alias:  pci:v8086d162Asv*sd*bc03sc*i*
alias:  pci:v8086d162Esv*sd*bc03sc*i*
alias:  pci:v8086d162Bsv*sd*bc03sc*i*
alias:  pci:v8086d1626sv*sd*bc03sc*i*
alias:  pci:v8086d1622sv*sd*bc03sc*i*
alias:  pci:v8086d161Dsv*sd*bc03sc*i*
alias:  pci:v8086d161Asv*sd*bc03sc*i*
alias:  pci:v8086d160Dsv*sd*bc03sc*i*
alias:  pci:v8086d160Asv*sd*bc03sc*i*
alias:  pci:v8086d161Esv*sd*bc03sc*i*
alias:  pci:v8086d161Bsv*sd*bc03sc*i*
alias:  pci:v8086d1616sv*sd*bc03sc*i*
alias:  pci:v8086d1612sv*sd*bc03sc*i*
alias:  pci:v8086d160Esv*sd*bc03sc*i*
alias:  pci:v8086d160Bsv*sd*bc03sc*i*
alias:  pci:v8086d1606sv*sd*bc03sc*i*
alias:  pci:v8086d1602sv*sd*bc03sc*i*
alias:  pci:v8086d0155sv*sd*bc03sc*i*
alias:  pci:v8086d0157sv*sd*bc03sc*i*
alias:  pci:v8086d0F33sv*sd*bc03sc*i*
alias:  pci:v8086d0F32sv*sd*bc03sc*i*
alias:  pci:v8086d0F31sv*sd*bc03sc*i*
alias:  pci:v8086d0F30sv*sd*bc03sc*i*
alias:  pci:v8086d0D26sv*sd*bc03sc*i*
alias:  pci:v8086d0D16sv*sd*bc03sc*i*
alias:  pci:v8086d0D06sv*sd*bc03sc*i*
alias:  pci:v8086d0A2Esv*sd*bc03sc*i*
alias:  pci:v8086d0A1Esv*sd*bc03sc*i*
alias:  pci:v8086d0A0Esv*sd*bc03sc*i*
alias:  pci:v8086d0A26sv*sd*bc03sc*i*
alias:  pci:v8086d0A16sv*sd*bc03sc*i*
alias:  pci:v8086d0A06sv*sd*bc03sc*i*
alias:  pci:v8086d0C26sv*sd*bc03sc*i*
alias:  pci:v8086d0C16sv*sd*bc03sc*i*
alias:  pci:v8086d0C06sv*sd*bc03sc*i*
alias:  pci:v8086d0426sv*sd*bc03sc*i*
alias:  pci:v8086d0416sv*sd*bc03sc*i*
alias:  pci:v8086d0406sv*sd*bc03sc*i*
alias:  pci:v8086d0D2Esv*sd*bc03sc*i*
alias:  pci:v8086d0D1Esv*sd*bc03sc*i*
alias:  pci:v8086d0D0Esv*sd*bc03sc*i*
alias:  pci:v8086d0D2Bsv*sd*bc03sc*i*
alias:  pci:v8086d0D1Bsv*sd*bc03sc*i*
alias:  pci:v8086d0D0Bsv*sd*bc03sc*i*
alias:  pci:v8086d0D2Asv*sd*bc03sc*i*
alias:  pci:v8086d0D1Asv*sd*bc03sc*i*
alias:  pci:v8086d0D0Asv*sd*bc03sc*i*
alias:  pci:v8086d0D22sv*sd*bc03sc*i*
alias:  pci:v8086d0D12sv*sd*bc03sc*i*
alias:  pci:v8086d0D02sv*sd*bc03sc*i*
alias:  pci:v8086d0A2Bsv*sd*bc03sc*i*
alias:  pci:v8086d0A1Bsv*sd*bc03sc*i*
alias:  pci:v8086d0A0Bsv*sd*bc03sc*i*
alias:  pci:v8086d0A2Asv*sd*bc03sc*i*
alias:  pci:v8086d0A1Asv*sd*bc03sc*i*
alias:  pci:v8086d0A0Asv*sd*bc03sc*i*
alias:  pci:v8086d0A22sv*sd*bc03sc*i*
alias:  pci:v8086d0A12sv*sd*bc03sc*i*
alias:  pci:v8086d0A02sv*sd*bc03sc*i*
alias:  pci:v8086d0C2Esv*sd*bc03sc*i*
alias:  pci:v8086d0C1Esv*sd*bc03sc*i*
alias:  pci:v8086d0C0Esv*sd*bc03sc*i*
alias:  pci:v8086d0C2Bsv*sd*bc03sc*i*
alias:  pci:v8086d0C1Bsv*sd*bc03sc*i*
alias:  pci:v8086d0C0Bsv*sd*bc03sc*i*
alias:  pci:v8086d0C2Asv*sd*bc03sc*i*
alias:  pci:v8086d0C1Asv*sd*bc03sc*i*
alias:  pci:v8086d0C0Asv*sd*bc03sc*i*
alias:  pci:v8086d0C22sv*sd*bc03sc*i*
alias:  pci:v8086d0C12sv*sd*bc03sc*i*
alias:  pci:v8086d0C02sv*sd*bc03sc*i*
alias: 

[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

I'm a bit confused.

I've not installed 15.04 - I was installing every kernel (newest to
oldest) on my 16.04 (upgraded from 14.04) computer until I found one
that worked (4.2.8).

What else can I test on my 16.04 computer? I cannot use any kernel since
4.2.8.

If it's been fixed, will there be an update for 16.04 soon? I would very
much like to do a clean install but cannot because of the blackscreen.

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[Joseph Salisbury]

So the bug does not exist in 15.04?  If that is the case, this bug may
have already been fixed in a stable update and a bisect is not
necessary.  Would it be possible for you to test 16.04 to see if it is
fixed there as well?

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  Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

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[Bug 1609242] Re: Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

[harry]

** Summary changed:

- Kernel 4.4x results in blackscreen - Intel Ivybridge 
+ Kernels 4.3-4.8 result in blackscreen - Intel Ivybridge

** Description changed:

  When I install Ubuntu 16.04 on my computer the screen goes blank at
  login. I can blindly login and it boots but I cannot use the display
  (external monitor through HDMI).
  
  I've looked online for an answer to this issue but could not find a
  solution.  However, many people report this issue in forums with the
  4.4x kernel.
  
  On my main computer, I upgraded from 14.04 to 16.04.1. On this computer
  I was able to switch back to the 3.13 kernel which *does work*.
  
  On the same computer, if I use a 16.04 live CD, it does the same thing.
  The screen goes blank.
  
  UEFI may be part of the issue as well.  I have it disabled in bios (set
  to legacy mode) but when I first boot, it seems to go into UEFI mode
  first and then, after rebooting with  it shows me the
  list of kernels. I can select the kernel from there but if I use a 4.4x
  kernel, it blanks out at encryption passphrase screen.
  
  There are also people with similar issues on AskUbuntu.
  
  Here's some basic HW info.  If you require more, please ask.
  
- 
  sudo lshw | head
- zbox  
- description: Notebook
- product: ZBOX-ID18 (NA)
- vendor: ZOTAC
- version: XX
- serial: G211X
- width: 64 bits
- capabilities: smbios-2.7 dmi-2.7 vsyscall32
- configuration: boot=normal chassis=notebook family=NA sku=NA 
uuid=00020003-0004-0005-0006-000700080009
-   *-core
- 
+ zbox
+ description: Notebook
+ product: ZBOX-ID18 (NA)
+ vendor: ZOTAC
+ version: XX
+ serial: G211X
+ width: 64 bits
+ capabilities: smbios-2.7 dmi-2.7 vsyscall32
+ configuration: boot=normal chassis=notebook family=NA sku=NA 
uuid=00020003-0004-0005-0006-000700080009
+   *-core
  
  sudo lshw -C display
-   *-display   
-description: VGA compatible controller
-product: 3rd Gen Core processor Graphics Controller
-vendor: Intel Corporation
-physical id: 2
-bus info: pci@:00:02.0
-version: 09
-width: 64 bits
-clock: 33MHz
-capabilities: msi pm vga_controller bus_master cap_list rom
-configuration: driver=i915 latency=0
-resources: irq:45 memory:f780-f7bf memory:e000-efff 
ioport:f000(size=64)
- 
+   *-display
+    description: VGA compatible controller
+    product: 3rd Gen Core processor Graphics Controller
+    vendor: Intel Corporation
+    physical id: 2
+    bus info: pci@:00:02.0
+    version: 09
+    width: 64 bits
+    clock: 33MHz
+    capabilities: msi pm vga_controller bus_master cap_list rom
+    configuration: driver=i915 latency=0
+    resources: irq:45 memory:f780-f7bf memory:e000-efff 
ioport:f000(size=64)
  
  lsb_release -rd
  Description:  Ubuntu 16.04.1 LTS
  Release:  16.04
- --- 
+ ---
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  AudioDevicesInUse:
-  USERPID ACCESS COMMAND
-  /dev/snd/controlC0:  rmezger5536 F pulseaudio
+  USERPID ACCESS COMMAND
+  /dev/snd/controlC0:  user5536 F pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: #RESUME=UUID=edaa55c6-eb56-43fb-8004-495948b72b38
  InstallationDate: Installed on 2014-07-23 (743 days ago)
  InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Alpha amd64 (20140313)
  MachineType: ZOTAC ZBOX-ID18
  Package: linux (not installed)
  ProcEnviron:
-  LANGUAGE=en_US
-  TERM=xterm
-  PATH=(custom, no user)
-  LANG=en_US.UTF-8
-  SHELL=/bin/bash
+  LANGUAGE=en_US
+  TERM=xterm
+  PATH=(custom, no user)
+  LANG=en_US.UTF-8
+  SHELL=/bin/bash
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.13.0-92-generic 
root=/dev/mapper/ubuntu--vg-root ro quiet splash
  ProcVersionSignature: Ubuntu 3.13.0-92.139-generic 3.13.11-ckt39
  PulseList:
-  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
-  No PulseAudio daemon running, or not running as session daemon.
+  Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not 
accessible: Permission denied
+  No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
-  linux-restricted-modules-3.13.0-92-generic N/A
-  linux-backports-modules-3.13.0-92-generic  N/A
-  linux-firmware 1.157.2
+  linux-restricted-modules-3.13.0-92-generic N/A
+  linux-backports-modules-3.13.0-92-generic  N/A
+  linux-firmware 1.157.2
  RfKill:
-  
+ 
  StagingDrivers: rts5139
  Tags:  xenial staging
  Uname: Linux 3.13.0-92-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-07-31 (3 days ago)
  UserGroups:
-  
+ 
  _MarkForUpload: True
  dmi.bios.date: 03/13/2014
  dmi.bios.vendor: American Megatrends Inc.