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[Bug 1575467] Re: [Dell Inspiron 3451] WARNING: CPU: 1 PID: 1297 at /build/linux-lts-utopic-vy2yyy/linux-lts-utopic-3.16.0/drivers/gpu/drm/i915/intel_display.c:1743 vlv_wait_port_ready+0x126/0x170 [i915]()


Does anyone know how to do the bisecting? The instructions at the above
link that christopher provided are helping, but not a complete
walkthrough. I'm trying my best to muddle along. I have successfully
cloned the ubuntu-wily kernel repo and i've successfully started the git
bisect process. It has picked 38eb1dbb0d7d190bdfe2ea824e94dab19e32737f
as the first git bisect commit i need to compile and test. But i'm not
sure how to properly compile this commit into a kernel in order to test
it. The instructions on the ubuntu wiki for normal building kernels from
source do not work. I'm trying to use the kteam-tools. It keeps saying
that is an invalid commit. I'm probably just missing something simple,
but if anyone can help it would be appreciated.

andrew@andrew-Inspiron-3451:~/ubuntu-wily$ git bisect start
Checking out files: 100% (13853/13853), done.
Previous HEAD position was 38eb1db... Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Switched to branch 'master'
Your branch is up-to-date with 'origin/master'.


Bisecting: 21138 revisions left to test after this (roughly 14 steps)
[38eb1dbb0d7d190bdfe2ea824e94dab19e32737f] Merge tag 'armsoc-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

andrew@andrew-Inspiron-3451:~/kteam-tools/mainline-build$ ./mainline-build-one 38eb1dbb0d7d190bdfe2ea824e94dab19e32737f wily
*** BUILDING: commit:38eb1dbb0d7d190bdfe2ea824e94dab19e32737f series:wily abinum: ...
fatal: No names found, cannot describe anything.
build-mainline-one: 38eb1dbb0d7d190bdfe2ea824e94dab19e32737f: invalid commit


andrew@andrew-Inspiron-3451:~/kteam-tools/mainline-build$ ./mainline-build-one ~/ubuntu-wily/38eb1dbb0d7d190bdfe2ea824e94dab19e32737f wily
*** BUILDING: commit:/home/andrew/ubuntu-wily/38eb1dbb0d7d190bdfe2ea824e94dab19e32737f series:wily abinum: ...
fatal: No names found, cannot describe anything.
build-mainline-one: /home/andrew/ubuntu-wily/38eb1dbb0d7d190bdfe2ea824e94dab19e32737f: invalid commit

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  [Dell Inspiron 3451] WARNING: CPU: 1 PID: 1297 at /build/linux-lts-
  vlv_wait_port_ready+0x126/0x170 [i915]()

Status in linux package in Ubuntu:

Bug description:
  After upgrading from stock Ubuntu 14.04 to 16.04 my laptop
  consistently freezes up and is unresponsive to keyboard or mouse. The
  only way is to do a hard shutdown. I'm usually in a browser when this
  happens, and often watching a video or two. It seems to happen more
  often in Google Chrome than Firefox, but it happens with both. It has
  happened at least once with no videos loaded. I haven’t observed it
  freeze / hang when I’m not in a browser, but that's mainly what i use
  my laptop for, so that's where most of my time is spent.

  Call trace:

  ApportVersion: 2.20.1-0ubuntu2
  Architecture: amd64
   /dev/snd/controlC0:  andrew     1949 F.... pulseaudio
  DistroRelease: Ubuntu 16.04
  HibernationDevice: RESUME=UUID=e8aaee7c-d956-4519-94f0-cf7aad745020
  InstallationDate: Installed on 2015-08-08 (263 days ago)
  InstallationMedia: Ubuntu 14.04.2 LTS "Trusty Tahr" - Release amd64 (20150218.1)
  MachineType: Dell Inc. Inspiron 3451
  Package: linux (not installed)
   PATH=(custom, no user)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-21-generic.efi.signed root=UUID=d01f07be-c906-4024-8eef-a58ba3935298 ro quiet splash vt.handoff=7
  ProcVersionSignature: Ubuntu 4.4.0-21.37-generic 4.4.6
   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.
   linux-restricted-modules-4.4.0-21-generic N/A
   linux-backports-modules-4.4.0-21-generic  N/A
   linux-firmware                            1.157
  Tags:  xenial
  Uname: Linux 4.4.0-21-generic x86_64
  UpgradeStatus: Upgraded to xenial on 2016-04-22 (4 days ago)

  _MarkForUpload: True
  dmi.bios.date: 12/05/2014
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A00
  dmi.board.name: 0H4MK6
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A00
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: Not Specified
  dmi.modalias: dmi:bvnDellInc.:bvrA00:bd12/05/2014:svnDellInc.:pnInspiron3451:pvrA00:rvnDellInc.:rn0H4MK6:rvrA00:cvnDellInc.:ct8:cvrNotSpecified:
  dmi.product.name: Inspiron 3451
  dmi.product.version: A00
  dmi.sys.vendor: Dell Inc.

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