Public bug reported:
[Summary]
No video output on Thunderbolt monitor.
1. Connect monitor to DUT directly
2. Connect monitor to DUT via Docking
System can detect the monitor and able to change display mode but no
output on the monitor
[Steps to reproduce]
1. Boot to OS
2. Plug an external monitor via thunderbolt port
[Expected result]
Display on external monitor normally
[Actual result]
No vidoe ouput on external monitor
[Failure rate]
3/3
** Affects: linux (Ubuntu)
Importance: Undecided
Status: Fix Released
** Affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: Invalid
** Affects: linux (Ubuntu Focal)
Importance: Undecided
Status: Invalid
** Affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: Invalid
** Tags: originate-from-1978067
** Tags added: originate-from-1978067
** Also affects: linux-oem-5.14 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Jammy)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-oem-5.14 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux (Ubuntu Focal)
Status: New => Invalid
** Changed in: linux (Ubuntu)
Status: New => Fix Released
** Changed in: linux-oem-5.14 (Ubuntu)
Status: New => Invalid
** Changed in: linux-oem-5.14 (Ubuntu Jammy)
Status: New => Invalid
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https://bugs.launchpad.net/bugs/1983143
Title:
AMD Rembrandt: DP tunneling fails with Thunderbolt monitors
Status in linux package in Ubuntu:
Fix Released
Status in linux-oem-5.14 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Invalid
Status in linux-oem-5.14 source package in Focal:
New
Status in linux source package in Jammy:
New
Status in linux-oem-5.14 source package in Jammy:
Invalid
Bug description:
[Summary]
No video output on Thunderbolt monitor.
1. Connect monitor to DUT directly
2. Connect monitor to DUT via Docking
System can detect the monitor and able to change display mode but no
output on the monitor
[Steps to reproduce]
1. Boot to OS
2. Plug an external monitor via thunderbolt port
[Expected result]
Display on external monitor normally
[Actual result]
No vidoe ouput on external monitor
[Failure rate]
3/3
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1983143/+subscriptions
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