** 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 Ubuntu
Bugs, which is subscribed to Ubuntu.
https://bugs.launchpad.net/bugs/1835001

Title:
  System does not auto detect disconnection of external monitor

To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux-oem/+bug/1835001/+subscriptions

-- 
ubuntu-bugs mailing list
ubuntu-bugs@lists.ubuntu.com
https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs

Reply via email to