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[Yuri Ribeiro Sucupira <yuri_sucupira@xxxxxxxxxxx>]

Okay, I've just (~21:13 UTC) installed kernel "4.4-rc2+cod1".

Packages installed:

 linux-image-4.4.0-040400rc2-generic_4.4.0-040400rc2.201511231054_amd64.deb
 linux-headers-4.4.0-040400rc2_4.4.0-040400rc2.201511231054_all.deb
 linux-headers-4.4.0-040400rc2-generic_4.4.0-040400rc2.201511231054_amd64.deb

"uname -a":

 Linux yurix 4.4.0-040400rc2-generic #201511231054 SMP Mon Nov 23
10:56:43 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

"dmesg |grep -i i915":
 [    1.240521] [drm] Initialized i915 1.6.0 20151010 for 0000:00:02.0 on minor 0
 [    2.461518] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
 [   13.662232] snd_hda_intel 0000:00:03.0: bound 0000:00:02.0 (ops i915_audio_component_bind_ops [i915])

"dmesg |grep -i amd":
 [    0.000000]   AMD AuthenticAMD
 [    0.000000] RAMDISK: [mem 0x3448c000-0x3623dfff]
 [    1.211790] [drm] amdgpu kernel modesetting enabled.
 [    1.214823] AMD IOMMUv2 driver by Joerg Roedel <jroedel@xxxxxxx>
 [    1.214825] AMD IOMMUv2 functionality not available on this system

Last lines of "cat /var/log/kern.log |grep -i lied":
 Nov 29 11:30:15 yurix kernel: [   23.887712] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control interrupt lied (SDE)!
 Nov 29 11:30:15 yurix kernel: [   23.887880] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control interrupt lied (SDE)!
 Nov 29 11:30:15 yurix kernel: [   23.888368] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control interrupt lied (SDE)!
 Nov 29 11:30:15 yurix kernel: [   23.888536] [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control interrupt lied (SDE)!
(so far no IRQ-related issues after I booted the system with an upstream kernel)

"lsmod |grep -i i915":
 i915 --- 1204224 --- 5
 i2c_algo_bit --- 16384 --- 2 --- i915,amdgpu
 drm_kms_helper --- 135168 --- 2 --- i915,amdgpu
 drm --- 360448 --- 8 --- ttm,i915,drm_kms_helper,amdgpu
 video --- 40960 --- 3 --- i915,dell_wmi,dell_laptop

"aticonfig --list-adapters":

 * 0. 04:00.0 AMD Radeon R7 M260

 * - Default adapter

"amdcccle" (AMD Catalyst Control Center): opens a window with an error
message in brazilian portuguese. In english, the message translates to
"There was a problem while attempting to start Catalyst Control Center
Linux Edition. It may have been caused by the following:

 No AMD graphics driver installed, or AMD graphics driver not working
properly.

 Install the proper AMD driver to your AMD hardware, or configure it
with 'aticonfig'."

Well, this pretty much confirms to me that "fglrx_updates" is definitely
a proprietary AMD GPU driver and thus doesn't work with these kernels,
as explained in https://wiki.ubuntu.com/Kernel/MainlineBuilds

I will keep this kernel running for the next hours and report back if
any message like "[drm:gen8_irq_handler [i915]] *ERROR* The master
control interrupt lied (SDE)!" comes up in "dmesg".

-- 
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/1520040

Title:
  [drm:gen8_irq_handler [i915_bpo]] *ERROR* The master control interrupt
  lied (SDE)!

Status in linux package in Ubuntu:
  Incomplete

Bug description:
  Device: notebook Dell Inspiron 5548

  Operating system: 64-bit XUbuntu Linux 14.04 LTS

  Processor: Intel Core i7-5500U

  Kernel: 3.19.0-33-generic #38~14.04.1-Ubuntu SMP x86_64

  Video: dual chip. These are the two display controllers:
  - Advanced Micro Devices, Inc. [AMD/ATI] Topaz XT [Radeon R7 M260] display controller 33000000Hz (requires kernel module / device driver "fglrx"); and
  - Intel Corporation Broadwell-U Integrated Graphics VGA compatible controller 33000000Hz (requires kernel module / device driver "i915").

  Problem: my notebook's operating system is switching to runlevel 0
  (power off) randomly, subtly and thus unexpectedly. And if I 'cat
  /var/log/kern.log |grep -i i915' I get a lot of "[drm:gen8_irq_handler
  [i915_bpo]] *ERROR* The master control interrupt lied (SDE)!"
  messages. I'm under the impression that either the kernel or the
  kernel module "i915_bpo" is buggy.

  My notebook's problem can't be related to overheating, because it's a
  brand-new notebook (less than 1 month old) and I've already monitored
  its temperature parameters: nothing abnormal is happening. Also, I'm
  using a cooling laptop base/pad.

  Other kernels I've tested, with which the same issue happens:
  - 3.19.0-18-generic (kernel module: i915_bpo)
  - 3.19.0-23-generic (kernel module: i915_bpo)
  - 3.19.0-28-generic (kernel module: i915_bpo)
  - 4.2.0-18-generic (kernel module: i915)

  Temporary workaround: I downgraded to kernel "3.13.0-36-generic",
  which isn't buggy with its "i915_bdw.ko" (version 3.0) kernel object
  (module). Full path for this module:
  /lib/modules/3.13.0-36-generic/kernel/ubuntu/i915/i915_bdw.ko

  Notes:
  - "bdw" stands for "Broadwell"
  - "bpo", I believe, stands for "backport"

  ProblemType: Bug
  DistroRelease: Ubuntu 14.04
  Package: linux-image-3.19.0-33-generic 3.19.0-33.38~14.04.1
  ProcVersionSignature: Ubuntu 3.19.0-33.38~14.04.1-generic 3.19.8-ckt7
  Uname: Linux 3.19.0-33-generic x86_64
  NonfreeKernelModules: wl fglrx
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  CurrentDesktop: XFCE
  Date: Wed Nov 25 23:44:39 2015
  InstallationDate: Installed on 2015-11-03 (22 days ago)
  InstallationMedia: Xubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  SourcePackage: linux-lts-vivid
  UpgradeStatus: No upgrade log present (probably fresh install)
  --- 
  ApportVersion: 2.14.1-0ubuntu3.19
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC0:  yuriyrs    2832 F.... pulseaudio
   /dev/snd/controlC1:  yuriyrs    2832 F.... pulseaudio
  CurrentDesktop: XFCE
  DistroRelease: Ubuntu 14.04
  HibernationDevice: RESUME=UUID=a08f36f9-0611-4894-9da9-8b1dcc960a86
  InstallationDate: Installed on 2015-11-03 (24 days ago)
  InstallationMedia: Xubuntu 14.04.3 LTS "Trusty Tahr" - Beta amd64 (20150805)
  MachineType: Dell Inc. Inspiron 5548
  NonfreeKernelModules: fglrx wl
  Package: linux (not installed)
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.19.0-33-generic.efi.signed root=UUID=4f05c2b3-c971-4bf8-bcb6-a76d60b68e45 ro quiet splash video.use_native_backlight=1 intremap=no_x2apic_optout vt.handoff=7
  ProcVersionSignature: Ubuntu 3.19.0-33.38~14.04.1-generic 3.19.8-ckt7
  RelatedPackageVersions:
   linux-restricted-modules-3.19.0-33-generic N/A
   linux-backports-modules-3.19.0-33-generic  N/A
   linux-firmware                             1.127.18
  Tags:  trusty
  Uname: Linux 3.19.0-33-generic x86_64
  UpgradeStatus: No upgrade log present (probably fresh install)
  UserGroups: adm audio cdrom dialout dip fax floppy fuse lpadmin netdev plugdev sambashare scanner sudo tape video
  _MarkForUpload: True
  dmi.bios.date: 10/12/2015
  dmi.bios.vendor: Dell Inc.
  dmi.bios.version: A06
  dmi.board.name: 0YDTG3
  dmi.board.vendor: Dell Inc.
  dmi.board.version: A02
  dmi.chassis.type: 8
  dmi.chassis.vendor: Dell Inc.
  dmi.chassis.version: A06
  dmi.modalias: dmi:bvnDellInc.:bvrA06:bd10/12/2015:svnDellInc.:pnInspiron5548:pvrA06:rvnDellInc.:rn0YDTG3:rvrA02:cvnDellInc.:ct8:cvrA06:
  dmi.product.name: Inspiron 5548
  dmi.product.version: A06
  dmi.sys.vendor: Dell Inc.

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