Comment 61 for bug 1724639

Next one is here:
http://people.canonical.com/~khfeng/lp1724639-3/

Current `git bisect log`:

git bisect start
# good: [6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c] Linux 4.12
git bisect good 6f7da290413ba713f0cdd9ff1a2a9bb129ef4f6c
# bad: [5771a8c08880cdca3bfb4a3fc6d309d6bba20877] Linux v4.13-rc1
git bisect bad 5771a8c08880cdca3bfb4a3fc6d309d6bba20877
# good: [e5f76a2e0e84ca2a215ecbf6feae88780d055c56] Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace
git bisect good e5f76a2e0e84ca2a215ecbf6feae88780d055c56
# good: [bd78acad8e866e1167f9de97c9b090ee6c2c96a7] parisc: move generic-y of exported headers to uapi/asm/Kbuild
git bisect good bd78acad8e866e1167f9de97c9b090ee6c2c96a7

> On 16 Nov 2017, at 3:58 AM, Ian Bruntlett <email address hidden> wrote:
>
> Hi,
>
> On 14 November 2017 at 07:22, Kai-Heng Feng <email address hidden>
> wrote:
>
>> Sorry for the late reply, please try this kernel,
>>
>> http://people.canonical.com/~khfeng/lp1724639-2/
>
>
> No problem. These are the files I downloaded:-
> total 58M
> -rw-rw-r-- 1 ian ian 936K Nov 15 18:37
> linux-firmware-image-4.12.0_4.12.0-4_i386.deb
> -rw-rw-r-- 1 ian ian 11M Nov 15 18:37
> linux-headers-4.12.0_4.12.0-4_i386.deb
> -rw-rw-r-- 1 ian ian 46M Nov 15 18:37 linux-image-4.12.0_4.12.0-4_i386.deb
>
> To work out which kernel was being installed I did:-
> dpkg-deb -c linux-image-4.12.0_4.12.0-4_i386.deb
>
> Looks like kernel '4.12' is being installed.
>
> Booted system with kernel 4.12. The graphics problem did _not_ occur.
> Did uname -a. Got:-
> Linux hawking 4.12.0 #4 SMP Fri Nov 10 04:04:10 EST 2017 i686 i686 i686
> GNU/Linux
>
> IDEA. Given that setting the GRUB environment variable
> GRUB_GFXPAYLOAD_LINUX to text solves the problem, could this be happening:-
> * That GRUB is doing something different with its handling of graphics
> * That the Kernel's graphic driver is taking advantage of some graphics
> mode setting that GRUB was doing before, but now no longer does?
>
> HTH :)
>
>
> Ian
>
> --
> -- ACCU - Professionalism in programming - http://www.accu.org
> -- My writing - https://sites.google.com/site/ianbruntlett/
> -- Free Software page -
> https://sites.google.com/site/ianbruntlett/home/free-software
>
> --
> You received this bug notification because you are subscribed to linux
> in Ubuntu.
> https://bugs.launchpad.net/bugs/1724639
>
> Title:
> Bug in Kernel 4.13 : Intel Mobile Graphics 945 shows 80 % black screen
>
> Status in linux package in Ubuntu:
> Confirmed
> Status in openSUSE:
> Unknown
>
> Bug description:
> Installed O.S. on Samsung NC10. Display worked O.K. in text mode so
> the install went smoothly. When the system is rebooted, however,
> switching to graphics mode results in the below described screen
> corruption:-
>
> Left Hand Side 80% of screen black with a blue of white pixels and some blue lines at the top
> Right Hand Side 20% of screen OK.
>
> ProblemType: Bug
> DistroRelease: Ubuntu 17.10
> Package: linux-image-4.13.0-16-generic 4.13.0-16.19
> ProcVersionSignature: Ubuntu 4.13.0-16.19-generic 4.13.4
> Uname: Linux 4.13.0-16-generic i686
> AlsaVersion: Advanced Linux Sound Architecture Driver Version k4.13.0-16-generic.
> AplayDevices:
> **** List of PLAYBACK Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> ApportVersion: 2.20.7-0ubuntu3
> Architecture: i386
> ArecordDevices:
> **** List of CAPTURE Hardware Devices ****
> card 0: Intel [HDA Intel], device 0: ALC272 Analog [ALC272 Analog]
> Subdevices: 1/1
> Subdevice #0: subdevice #0
> AudioDevicesInUse:
> USER PID ACCESS COMMAND
> /dev/snd/controlC0: ian 918 F.... pulseaudio
> Card0.Amixer.info:
> Card hw:0 'Intel'/'HDA Intel at 0xf0340000 irq 25'
> Mixer name : 'Realtek ALC272'
> Components : 'HDA:10ec0272,144dca00,00100001'
> Controls : 25
> Simple ctrls : 12
> CurrentDesktop: LXDE
> Date: Wed Oct 18 18:30:15 2017
> HibernationDevice: RESUME=UUID=c54e130e-6625-4d96-ba75-4efaa6a9da75
> InstallationDate: Installed on 2017-10-18 (0 days ago)
> InstallationMedia: Lubuntu 17.10 "Artful Aardvark" - Release i386 (20171017.1)
> MachineType: SAMSUNG ELECTRONICS CO., LTD. NC10
> ProcFB: 0 inteldrmfb
> ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.13.0-16-generic root=UUID=d74a58ab-e96e-4531-a2eb-13f0d1610658 ro quiet splash vt.handoff=7
> RelatedPackageVersions:
> linux-restricted-modules-4.13.0-16-generic N/A
> linux-backports-modules-4.13.0-16-generic N/A
> linux-firmware 1.169
> SourcePackage: linux
> UpgradeStatus: No upgrade log present (probably fresh install)
> dmi.bios.date: 04/14/2009
> dmi.bios.vendor: Phoenix Technologies Ltd.
> dmi.bios.version: 07CA.M002.20090414.KTW
> dmi.board.name: NC10
> dmi.board.vendor: SAMSUNG ELECTRONICS CO., LTD.
> dmi.board.version: Not Applicable
> dmi.chassis.asset.tag: No Asset Tag
> dmi.chassis.type: 10
> dmi.chassis.vendor: SAMSUNG ELECTRONICS CO., LTD.
> dmi.chassis.version: N/A
> dmi.modalias: dmi:bvnPhoenixTechnologiesLtd.:bvr07CA.M002.20090414.KTW:bd04/14/2009:svnSAMSUNGELECTRONICSCO.,LTD.:pnNC10:pvrNotApplicable:rvnSAMSUNGELECTRONICSCO.,LTD.:rnNC10:rvrNotApplicable:cvnSAMSUNGELECTRONICSCO.,LTD.:ct10:cvrN/A:
> dmi.product.name: NC10
> dmi.product.version: Not Applicable
> dmi.sys.vendor: SAMSUNG ELECTRONICS CO., LTD.
>
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