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[Thomas Bonfort <thomas.bonfort@xxxxxxxxx>]

Christopher,
Yes I have read that section but it is not useful as selecting between bad/good is already the required workflow. The issue is that the documentation refers to using the packaging scripts in the debian/ subdir, which is not present and/or usable in the intermediate bisecting steps.
I'm currently testing using this workflow, please advise if it is the correct one:

make mrproper && git clean -d -f && git checkout debian
git bisect good/bad/skip
cp /boot/config-4.4.0-8-generic .config
make oldconfig
make-kpkg --rootcmd=fakeroot --append-to-version "-04-deadbeef" --initrd --us --uc kernel_image -j4
#install and test kernel

here is my current bisect log. note that I have to skip many commits as
they fail to compile:

git bisect start '--' 'drivers/gpu/' 'include/drm/' 'include/uapi/drm/' 'ubuntu/i915'
# good: [463f21c6a2dcc90e06dbc2eb2341640ae5c43c28] UBUNTU: Ubuntu-4.4.0-8.23
git bisect good 463f21c6a2dcc90e06dbc2eb2341640ae5c43c28
# bad: [b8723f286caa9218ebda0c47a435d1b52b8dfaf4] UBUNTU: Ubuntu-4.4.0-9.24
git bisect bad b8723f286caa9218ebda0c47a435d1b52b8dfaf4
# good: [1cb8570bf04ab12a03c31c397a4d158f24895d9c] Linux 4.4.2
git bisect good 1cb8570bf04ab12a03c31c397a4d158f24895d9c
# skip: [19ed21af1bffa667745926f2b8b28a0505cca0be] drm: Add "prefix" parameter to drm_rect_debug_print()
git bisect skip 19ed21af1bffa667745926f2b8b28a0505cca0be
# skip: [a9b3cdd235bf966b4cddab82d61dc941a74e3a74] UBUNTU: SAUCE: Backport I915_PARAM_HAS_EXEC_SOFTPIN and EXEC_OBJECT_PINNED
git bisect skip a9b3cdd235bf966b4cddab82d61dc941a74e3a74
# skip: [8bfcd31065a60ffba9e600fafd62bbd90ff0895a] drm/atomic: Add encoder_mask to crtc_state, v3.
git bisect skip 8bfcd31065a60ffba9e600fafd62bbd90ff0895a
# skip: [693a63075524374165196137ca4b952a6afd5265] drm/i915/kbl: Add Kabylake GT4 PCI ID
git bisect skip 693a63075524374165196137ca4b952a6afd5265
# good: [34f091b3d14dadd9ef8d1f8a678656aed759fe33] UBUNTU: SAUCE: radeon: r100: Silence 'may be used uninitialized' warnings
git bisect good 34f091b3d14dadd9ef8d1f8a678656aed759fe33
# skip: [abfd1387464d2e764989d8fbaea78b0b7af89142] drm/i915: Set connector_state->connector using the helper.
git bisect skip abfd1387464d2e764989d8fbaea78b0b7af89142
# skip: [975bc60948107bce995ae5d18e0755dc5f2abf53] drm: fix potential dangling else problems in for_each_ macros
git bisect skip 975bc60948107bce995ae5d18e0755dc5f2abf53
# good: [98e1eef7fa2b711e0946d22a3c2659458582e807] drm/i915/skl: Disable coarse power gating up until F0
git bisect good 98e1eef7fa2b711e0946d22a3c2659458582e807
# skip: [1f955e92dc87f484048109bc1d434fa59221c5dd] drm/atomic: add connector mask to drm_crtc_state.
git bisect skip 1f955e92dc87f484048109bc1d434fa59221c5dd
# skip: [7d5329085d3e64b6b04a9de1c86f5074bac26cc9] drm/i915: Update connector_mask during readout, v2.
git bisect skip 7d5329085d3e64b6b04a9de1c86f5074bac26cc9
# skip: [8167675659a93004ae99d7b3aa90e1134352a836] drm: Implement drm_modeset_lock_all_ctx()
git bisect skip 8167675659a93004ae99d7b3aa90e1134352a836
# skip: [8ba5c26373f1e4341f2cbd198ddeb41644adf9b6] drm/atomic: Do not unset crtc when an encoder is stolen
git bisect skip 8ba5c26373f1e4341f2cbd198ddeb41644adf9b6
# skip: [197b480eac049b43e26cad615d2f541b5eab0238] drm/i915: Add get_eld audio component
git bisect skip 197b480eac049b43e26cad615d2f541b5eab0238
# skip: [59784e17027c76b7621c19393828dfd0aa1ffde5] UBUNTU: SAUCE: i915_bpo: Add i915_bpo_*() calls for ubuntu/i915
git bisect skip 59784e17027c76b7621c19393828dfd0aa1ffde5

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1554613

Title:
  screen flickering on XPS13 9350

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  see #1552304

  does not affect 4.4.0-8
  affects 4.4.0-9 to 4.4.0-11

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: linux-image-generic 4.4.0.11.12
  ProcVersionSignature: Ubuntu 4.4.0-8.23-generic 4.4.2
  Uname: Linux 4.4.0-8-generic x86_64
  ApportVersion: 2.20-0ubuntu3
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  tbonfort   1498 F.... pulseaudio
  CurrentDesktop: KDE
  Date: Tue Mar  8 09:57:12 2016
  HibernationDevice: RESUME=UUID=3248e0d7-0dac-4ccc-8982-b5ac5ce6ed5e
  InstallationDate: Installed on 2016-01-07 (61 days ago)
  InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
  Lsusb:
   Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
   Bus 001 Device 003: ID 0c45:670c Microdia 
   Bus 001 Device 002: ID 0a5c:6412 Broadcom Corp. 
   Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
  MachineType: Dell Inc. XPS 13 9350
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-8-generic root=UUID=757547b8-d0e4-4eb8-8afd-920b743f99a4 ro quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.4.0-8-generic N/A
   linux-backports-modules-4.4.0-8-generic  N/A
   linux-firmware                           1.156
  SourcePackage: linux
  UpgradeStatus: Upgraded to xenial on 2016-02-28 (9 days ago)
  dmi.bios.date: 01/08/2016
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: 1.2.3
  dmi.board.name: 07TYC2
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A01
  dmi.chassis.type: 9
  dmi.chassis.vendor: Dell Inc.
  dmi.modalias: dmi:bvnDellInc.:bvr1.2.3:bd01/08/2016:svnDellInc.:pnXPS139350:pvr:rvnDellInc.:rn07TYC2:rvrA01:cvnDellInc.:ct9:cvr:
  dmi.product.name: XPS 13 9350
  dmi.sys.vendor: Dell Inc.

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