** Description changed:
- [Impact]
- The affected systems do not always detect the unplug event of an HDMI cable
and leave the desktop in an incorrect state.
-
- [Fix]
- Patchset from https://patchwork.freedesktop.org/series/62965/
-
- [Test]
- Verified on multiple affected OEM platforms and HDMI cable removal can be
reliably processed with the fix
-
- [Regression Potential]
- TBD
-
- ====== Original Bug Description ======
Summary:
System does not auto detect disconnection of external monitor
Steps to reproduce:
1. install dell-bto-bionic-beaver-lancel-X84-20190507-42.iso and boot into OS
2. open "system settings > display settings"
3. connect laptop to an external HDMI monitor via HDMI port & cable
4. unplug the HDMI cable
5. check if "display settings" automatically detects the removal of the
external monitor
Expected result:
display settings should automatically detect the removal of external monitor
when unplugging the HDMI cable
Actual result:
System does not automatically detect the removal of the external monitor when
HDMI cable is removed.
Sound setting also list HDMI audio in output tab after removal external
monitor.
Failure rate:
2/10 to 1/10
** Also affects: hwe-next/bionic
Importance: Undecided
Status: New
** Tags removed: verification-needed-bionic
** No longer affects: hwe-next
** No longer affects: hwe-next/bionic
** Also affects: linux-oem (Ubuntu Bionic)
Importance: Undecided
Status: New
--
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-oem in Ubuntu.
https://bugs.launchpad.net/bugs/1835001
Title:
System does not auto detect disconnection of external monitor
Status in linux-oem package in Ubuntu:
New
Status in linux-oem source package in Bionic:
New
Bug description:
Summary:
System does not auto detect disconnection of external monitor
Steps to reproduce:
1. install dell-bto-bionic-beaver-lancel-X84-20190507-42.iso and boot into OS
2. open "system settings > display settings"
3. connect laptop to an external HDMI monitor via HDMI port & cable
4. unplug the HDMI cable
5. check if "display settings" automatically detects the removal of the
external monitor
Expected result:
display settings should automatically detect the removal of external monitor
when unplugging the HDMI cable
Actual result:
System does not automatically detect the removal of the external monitor when
HDMI cable is removed.
Sound setting also list HDMI audio in output tab after removal external
monitor.
Failure rate:
2/10 to 1/10
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-oem/+bug/1835001/+subscriptions
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