External monitor is missing from the display output list in GNOME Settings after connecting HDMI following a cold boot
Nobody has claimed this yet.
Assessment
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Newbie friendliness
- 38/100
- Issue type
- Bug
- Clarity
- Needs clarification
- Activity status
- Quiet
- Tech stack
- linux
- Domain
- operating-systems
Research direction
Start by reviewing snap_list.log and dmesg-of-boot-3ac4985b9a7d4eabbe418879cd7f6f67.log, then reproduce the cold-boot and HDMI connection steps. Compare the available GNOME Settings sinks with the aplay command that successfully plays audio. Done means the external HDMI monitor sink appears and remains selectable after the described sequence.
Written by the indexing model from the issue text.
Description
snap_list.log
dmesg-of-boot-3ac4985b9a7d4eabbe418879cd7f6f67.log
name: Bug report
about: External monitor is missing from the display output list in GNOME Settings after connecting HDMI following a cold boot
[Summary]
While connecting an external HDMI monitor to DUT via HDMI cable, I cannot select the sink option of HDMI monitor in Gnome Settings
[Steps to Reproduce]
- Flash image and poweroff DUT
- Cold boot DUT without an external monitor
- Open Gnome Settings and navigate to Sounds section
- Check if there's a sink option of the external Monitor
[Expected Result]
Able to choose the sink option of HDMI monitor
[Actual Result]
- Able to play the sound via HDMI monitor by the following command
$ aplay -D plughw:CARD=vc4hdmi0,DEV=0 /usr/share/sounds/alsa/Front_Right.wav
2.Only the following sink options be listed in Gnome Settings (w/o plugging headset, w/ an external HDMI monitor)
Speakers - USB Advanced Audio Device
Digital Ouptut (S/PDIF) - USB Advanced Audio Device
When issue happens, hotplug the external monitor doesn’t work
GPU:
System Product Name:
Bios Version:
Kernel Version: 7.0.0-1012-raspi
[Stage]
Right after it happened
- Dominant language
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- Stars
- 5.6k
- Forks
- 1.7k
- PR merge metrics
- No merged PRs in 30d
Contributor guide
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- Open a pull request that references the issue number.
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