[Bug 1840889] Re: Black Screen on 18.04 + Intel Graphics with Kernel > 4.15.0-47

[Linuxium]

This issue has been fixed in the linux-generic 4.15.0-66.75 and linux-
generic-hwe-18.04 5.0.0-32.34~18.04.2 kernels.

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Title:
  Black Screen on 18.04 + Intel Graphics with Kernel > 4.15.0-47

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[Bug 1840889] Re: Black Screen on 18.04 + Intel Graphics with Kernel > 4.15.0-47

[Linuxium]

Since commit ca876c7483b6 ("gpiolib-acpi: make sure we trigger edge
events at least once on boot") in the Linux mainline v4.18 kernel (and
also in stable v4.14.68 as commit fbb37b72489d) the Linux kernel now
calls _AEI edge handlers at boot.

Unfortunately the MINIX Neo Z83-4 mini PC has a DSDT bug where some copy
and pasted code for dealing with Micro USB-B connector host/device role
switching messes with the DDC data pin from the HDMI connector
(switching it to GPIO mode) breaking HDMI support.

For Ubuntu Bionic the mainline kernel change "gpiolib-acpi: make sure we
trigger edge events at least once on boot" is included in the
Ubuntu-4.15.0-56.61 tag as commit 4ea03f3e93f8 and released in the
4.15.0-58.64 linux package.

Starting with the 4.15.0-58.64 linux package and subsequent linux packages 
including linux-hwe (4.18 and now 5.0 based) and linux-hwe-edge (5.0 and now 
5.2 based) packages Ubuntu fails to boot
with working HDMI on MINIX Neo Z83-4 devices.

To fix this a proposed patch has already been submitted to the mainline
kernel linux-gpio team that disables the running of _AEI edge event
handlers at boot using a DMI based blacklist with the initial version of
this blacklist contains the MINIX Neo Z83-4.

This patch is currently under review. However once accepted and
mainlined (and incorporated into stable) it would be appreciated if it
can be backported to Ubuntu.

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  Black Screen on 18.04 + Intel Graphics with Kernel > 4.15.0-47

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[Bug 1760545] Re: [18.04] GLK hang after a while

[Linuxium]

Attached is the patch (or commit
b607990c76ceda0a7a7ceacabab174cdc8b9beee).

** Patch added: "0001-drm-i915-glk-Add-MODULE_FIRMWARE-for-Geminilake.patch"
   
https://bugs.launchpad.net/intel/+bug/1760545/+attachment/5135659/+files/0001-drm-i915-glk-Add-MODULE_FIRMWARE-for-Geminilake.patch

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Title:
  [18.04] GLK hang after a while

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[Bug 1760545] Re: [18.04] GLK hang after a while

[Linuxium]

A mainline patch is available now in v4.17-rc4.

It is probably best to back port commit
b607990c76ceda0a7a7ceacabab174cdc8b9beee for Ubuntu 4.15 and Ubuntu 4.16
(if released) as the mainline 'Cc: stable' tag is stalled.

The patch/commit fixes the bug as documented above:

ubuntu@ubuntu:~$ dmesg | egrep 'Linux version|DMI:|i915'
[0.00] Linux version 4.17.0-041700rc4-generic (kernel@kathleen) (gcc 
version 7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #201805070430 SMP Mon May 7 04:31:46 
UTC 2018
[0.00] DMI: Intel Corporation NUC7CJYS/NUC7JYB, BIOS 
JYGLKCPX.86A.0024.2017.1229.1454 12/29/2017
[2.489175] i915 :00:02.0: vgaarb: changed VGA decodes: 
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[2.489705] [drm] Finished loading DMC firmware i915/glk_dmc_ver1_04.bin 
(v1.4)
[2.493790] [drm] Initialized i915 1.6.0 20180308 for :00:02.0 on minor 0
[2.567821] i915 :00:02.0: fb0: inteldrmfb frame buffer device
ubuntu@ubuntu:~$

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Title:
  [18.04] GLK hang after a while

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[Bug 1752507] Re: add i915/glk_dmc_ver1_04.bin

[Linuxium]

@Łukasz Zemczak (sil2100)

Re: "If this package fixes the bug for you, please add a comment to this
bug, mentioning the version of the package you tested and change the tag
from verification-needed-artful to verification-done-artful."

If there is a "tag" then "verification-needed-artful -> verification-
done-artful".

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[Bug 1752507] Re: add i915/glk_dmc_ver1_04.bin

[Linuxium]

ALso tested and verified using cod/tip/drm-tip/2018-05-04 mainline build
with upgraded linux-firmware from artful-proposed:

ubuntu@ubuntu:~$ egrep 'Linux version|DMI:|i915' /tmp/artful-dmesg.txt 
[0.00] Linux version 4.17.0-994-generic (kernel@kathleen) (gcc version 
7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #201805040859 SMP Fri May 4 09:01:29 UTC 2018
[0.00] DMI: Intel Corporation NUC7CJYS/NUC7JYB, BIOS 
JYGLKCPX.86A.0024.2017.1229.1454 12/29/2017
[2.418477] i915 :00:02.0: vgaarb: changed VGA decodes: 
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[2.419032] [drm] Finished loading DMC firmware i915/glk_dmc_ver1_04.bin 
(v1.4)
[2.422525] [drm] Initialized i915 1.6.0 20180413 for :00:02.0 on minor 0
[2.525424] i915 :00:02.0: fb0: inteldrmfb frame buffer device
[   11.766420] snd_hda_intel :00:0e.0: bound :00:02.0 (ops 
i915_audio_component_bind_ops [i915])
[   38.844791]  rtsx_pci_ms snd memstick mei_me mei soundcore shpchp 
ir_rc6_decoder rc_rc6_mce ite_cir rc_core mac_hid parport_pc ppdev lp parport 
ip_tables x_tables autofs4 isofs nls_iso8859_1 dm_mirror dm_region_hash dm_log 
pwm_lpss_platform pwm_lpss overlay hid_logitech_hidpp hid_logitech_dj 
hid_generic usbhid uas usb_storage mmc_block rtsx_pci_sdmmc i915 psmouse 
i2c_algo_bit sdhci_pci drm_kms_helper cqhci sdhci syscopyarea sysfillrect r8169 
rtsx_pci sysimgblt mii fb_sys_fops drm i2c_hid ahci hid libahci video 
pinctrl_geminilake pinctrl_intel wmi
ubuntu@ubuntu:~$

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[Bug 1752507] Re: add i915/glk_dmc_ver1_04.bin

[Linuxium]

ubuntu@ubuntu:~$ ls -l /lib/firmware/i915/glk_dmc_ver1_04.bin
-rw-r--r-- 1 root root 8800 Apr 24 15:28 /lib/firmware/i915/glk_dmc_ver1_04.bin
ubuntu@ubuntu:~$ dpkg -s linux-firmware
Package: linux-firmware
Status: install ok installed
Priority: optional
Section: misc
Installed-Size: 210549
Maintainer: Ubuntu Kernel Team 
Architecture: all
Multi-Arch: foreign
Version: 1.169.4
Replaces: atmel-firmware, linux-firmware-snapdragon (<= 1.2-0ubuntu1), 
linux-restricted-common
Provides: atmel-firmware
Breaks: linux-firmware-snapdragon (<= 1.2-0ubuntu1)
Conflicts: atmel-firmware
Description: Firmware for Linux kernel drivers
 This package provides firmware used by Linux kernel drivers.
ubuntu@ubuntu:~$

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[Bug 1752507] Re: add i915/glk_dmc_ver1_04.bin

[Linuxium]

ubuntu@ubuntu:~$ ls -l /lib/firmware/i915/glk_dmc_ver1_04.bin
-rw-r--r-- 1 root root 8800 Apr 24 15:28 /lib/firmware/i915/glk_dmc_ver1_04.bin
ubuntu@ubuntu:~$ dpkg -s linux-firmware
Package: linux-firmware
Status: install ok installed
Priority: optional
Section: misc
Installed-Size: 223599
Maintainer: Ubuntu Kernel Team 
Architecture: all
Multi-Arch: foreign
Version: 1.157.18
Replaces: atmel-firmware, linux-firmware-snapdragon (<= 1.2-0ubuntu1), 
linux-restricted-common
Provides: atmel-firmware
Breaks: linux-firmware-snapdragon (<= 1.2-0ubuntu1)
Conflicts: atmel-firmware
Description: Firmware for Linux kernel drivers
 This package provides firmware used by Linux kernel drivers.
ubuntu@ubuntu:~$

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[Bug 1752507] Re: add i915/glk_dmc_ver1_04.bin

[Linuxium]

Tested and verified using cod/tip/drm-tip/2018-05-04 mainline build with
upgraded linux-firmware from xenial-proposed:

ubuntu@ubuntu:~$ dmesg | egrep 'Linux version|DMI:|i915'
[0.00] Linux version 4.17.0-994-generic (kernel@kathleen) (gcc version 
7.3.0 (Ubuntu 7.3.0-16ubuntu3)) #201805040859 SMP Fri May 4 09:01:29 UTC 2018
[0.00] DMI: Intel Corporation NUC7CJYS/NUC7JYB, BIOS 
JYGLKCPX.86A.0024.2017.1229.1454 12/29/2017
[1.770743] i915 :00:02.0: vgaarb: changed VGA decodes: 
olddecodes=io+mem,decodes=io+mem:owns=io+mem
[1.771295] [drm] Finished loading DMC firmware i915/glk_dmc_ver1_04.bin 
(v1.4)
[1.774763] [drm] Initialized i915 1.6.0 20180413 for :00:02.0 on minor 0
[1.858866] i915 :00:02.0: fb0: inteldrmfb frame buffer device
[   11.746756] snd_hda_intel :00:0e.0: bound :00:02.0 (ops 
i915_audio_component_bind_ops [i915])
ubuntu@ubuntu:~$

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[Bug 1752507] Re: add i915/glk_dmc_ver1_04.bin

[Linuxium]

Note that actually loading the firmware by the kernel is affected by
https://bugs.launchpad.net/intel/+bug/1760545 or requires (currently)
manually updating the kernel's initramfs with the added firmware.

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[Bug 1760545] Re: [18.04] GLK hang after a while

[Linuxium]

I've already submitted a patch to mainline Cc: stable
(https://patchwork.kernel.org/patch/10335195) which will address this
issue if accepted (note: the current discussion is about the
'acceptability and health' of using the firmware with recent kernels.

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Title:
  [18.04] GLK hang after a while

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[Bug 1739939] Re: Update Ubuntu-4.15.0 config to support Intel Atom devices

[Linuxium]

** Description changed:

  After the mainline kernel was patched with 'serdev: Add ACPI support'
  (commit 53c7626356c7584e82510d86394a6dcd80525614) and 'serdev: enable
  TTY port controller support by default' (commit
  22b276a4072087e7b7f1723ccd8a1aa18fab8bbf) and 'Bluetooth: hci_bcm: Add
  serdev support' (commit 33cd149e767be9afbab9fcd3d5165a2de62313c8) and
  'Bluetooth: avoid silent hci_bcm ACPI PM regression' (commit
  4294625e029028854596865be401b9c5c1f906ef) the mainline kernel the config
  needs CONFIG_SERIAL_DEV_BUS=m changing to CONFIG_SERIAL_DEV_BUS=y and
  both CONFIG_SERIAL_DEV_CTRL_TTYPORT=y and CONFIG_BT_HCIUART_BCM=y added
  to keep sound and BT working on Intel Atom devices.
  
  Currently the latest Ubuntu config for 4.15 (see 0006-configs-based-on-
  Ubuntu-4.15.0-2.3.patch) still only has CONFIG_SERIAL_DEV_BUS=m
  
- The config needs to be update to take into consideration the
+ The config needs to be updated to take into consideration the
  implications of the aforementioned patches together with the settings
  identified.

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Title:
  Update Ubuntu-4.15.0 config to support Intel Atom devices

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[Bug 1739939] Re: Update Ubuntu-4.15.0 config to support Intel Atom devices

[Linuxium]

Updated 'Bug Description' to include patch 'Bluetooth: avoid silent
hci_bcm ACPI PM regression' (commit
4294625e029028854596865be401b9c5c1f906ef) and explicitly state the
config changes required by including CONFIG_SERIAL_DEV_CTRL_TTYPORT=y.

** Description changed:

  After the mainline kernel was patched with 'serdev: Add ACPI support'
  (commit 53c7626356c7584e82510d86394a6dcd80525614) and 'serdev: enable
  TTY port controller support by default' (commit
  22b276a4072087e7b7f1723ccd8a1aa18fab8bbf) and 'Bluetooth: hci_bcm: Add
- serdev support' (commit 33cd149e767be9afbab9fcd3d5165a2de62313c8) the
- mainline kernel the config needs CONFIG_SERIAL_DEV_BUS=m changing to
- CONFIG_SERIAL_DEV_BUS=y and CONFIG_BT_HCIUART_BCM=y to keep sound and BT
- working on Intel Atom devices.
+ serdev support' (commit 33cd149e767be9afbab9fcd3d5165a2de62313c8) and
+ 'Bluetooth: avoid silent hci_bcm ACPI PM regression' (commit
+ 4294625e029028854596865be401b9c5c1f906ef) the mainline kernel the config
+ needs CONFIG_SERIAL_DEV_BUS=m changing to CONFIG_SERIAL_DEV_BUS=y and
+ both CONFIG_SERIAL_DEV_CTRL_TTYPORT=y and CONFIG_BT_HCIUART_BCM=y added
+ to keep sound and BT working on Intel Atom devices.
  
  Currently the latest Ubuntu config for 4.15 (see 0006-configs-based-on-
  Ubuntu-4.15.0-2.3.patch) still only has CONFIG_SERIAL_DEV_BUS=m
  
  The config needs to be update to take into consideration the
  implications of the aforementioned patches together with the settings
  identified.

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Title:
  Update Ubuntu-4.15.0 config to support Intel Atom devices

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[Bug 1739939] Re: Update Ubuntu-4.15.0 config to support Intel Atom devices

[Linuxium]

Just to clarify the config needs the following changes:

change

CONFIG_SERIAL_DEV_BUS=m

to

CONFIG_SERIAL_DEV_BUS=y

and add

CONFIG_SERIAL_DEV_CTRL_TTYPORT=y
CONFIG_BT_HCIUART_BCM=y

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  Update Ubuntu-4.15.0 config to support Intel Atom devices

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[Bug 1739939] Re: Update Ubuntu-4.15.0 config to support Intel Atom devices

[Linuxium]

It is a mainline kernel.

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

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  Update Ubuntu-4.15.0 config to support Intel Atom devices

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[Bug 1739939] Re: Update Ubuntu-4.15.0 config to support Intel Atom devices

[Linuxium]

s/The/These/

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  Update Ubuntu-4.15.0 config to support Intel Atom devices

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[Bug 1739939] Re: Update Ubuntu-4.15.0 config to support Intel Atom devices

[Linuxium]

The are upstream kernels - see http://kernel.ubuntu.com/~kernel-
ppa/mainline/

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  Update Ubuntu-4.15.0 config to support Intel Atom devices

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[Bug 1739939] [NEW] Update Ubuntu-4.15.0 config to support Intel Atom devices

[Linuxium]

Public bug reported:

After the mainline kernel was patched with 'serdev: Add ACPI support'
(commit 53c7626356c7584e82510d86394a6dcd80525614) and 'serdev: enable
TTY port controller support by default' (commit
22b276a4072087e7b7f1723ccd8a1aa18fab8bbf) and 'Bluetooth: hci_bcm: Add
serdev support' (commit 33cd149e767be9afbab9fcd3d5165a2de62313c8) the
mainline kernel the config needs CONFIG_SERIAL_DEV_BUS=m changing to
CONFIG_SERIAL_DEV_BUS=y and CONFIG_BT_HCIUART_BCM=y to keep sound and BT
working on Intel Atom devices.

Currently the latest Ubuntu config for 4.15 (see 0006-configs-based-on-
Ubuntu-4.15.0-2.3.patch) still only has CONFIG_SERIAL_DEV_BUS=m

The config needs to be update to take into consideration the
implications of the aforementioned patches together with the settings
identified.

** Affects: ubuntu
 Importance: Undecided
 Status: New

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  Update Ubuntu-4.15.0 config to support Intel Atom devices

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[Bug 1674523] Re: v4.11-rcN mainline build config patch missing CONFIG_HDMI_LPE_AUDIO

[Linuxium]

V4.11 config now released with the correct settings.

** Changed in: linux (Ubuntu)
   Status: Fix Committed => Fix Released

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Title:
  v4.11-rcN mainline build config patch missing CONFIG_HDMI_LPE_AUDIO

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[Bug 1674523] Re: v4.11-rcN mainline build config patch missing CONFIG_HDMI_LPE_AUDIO

[Linuxium]

Update: Config will be updated once 4.11 kernel is built in unstable
when 4.11 config will be created.

** Changed in: ubuntu
   Status: New => Fix Committed

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Title:
  v4.11-rcN mainline build config patch missing CONFIG_HDMI_LPE_AUDIO

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[Bug 1674523] [NEW] v4.11-rcN mainline build config patch missing CONFIG_HDMI_LPE_AUDIO

[Linuxium]

Public bug reported:

The config patches for the latest mainline V4.11 Ubuntu builds (as in
http://kernel.ubuntu.com/~kernel-ppa/mainline/v4.11-rc3/ for example)
omit setting CONFIG_HDMI_LPE_AUDIO which is required for the new audio
support over HDMI patch set included in v4.11 specifically for BYT/CHT
SoC based Intel devices. Currently as CONFIG_SND_X86 is unset then
CONFIG_HDMI_LPE_AUDIO is not defined.

Change request: Set CONFIG_SND_X86=m and CONFIG_HDMI_LPE_AUDIO=m in the
configs for v4.11 mainline builds so audio over HDMI will work for
BYT/CHT SoC based Intel devices in addition to existing devices where
audio over HDMI works by default. This is a result of a new driver
introduced in v4.11. The current v4.11 config is defined from patch 0006
-configs-based-on-Ubuntu-4.10.0-6.8.patch (see http://kernel.ubuntu.com
/~kernel-ppa/mainline/v4.11-rc3/0006-configs-based-on-
Ubuntu-4.10.0-6.8.patch) and this patch would require regenerating with
the addition of CONFIG_SND_X86=m and CONFIG_HDMI_LPE_AUDIO=m

** Affects: ubuntu
 Importance: Undecided
 Status: New

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https://bugs.launchpad.net/bugs/1674523

Title:
  v4.11-rcN mainline build config patch missing CONFIG_HDMI_LPE_AUDIO

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