The system hangs when HDMI external monitor involved on AMD Yellow Carp platforms

Focal nominated for linux-oem-5.14/focal.

included https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/commit/?id=fcf9d8ca2d5e2942075716686ef423851ea77002 in https://launchpad.net/~canonical-hwe-team/+archive/ubuntu/linux-firmware-staging for further testing:
* linux-firmware/focal version 1.187.30+exp.50
* linux-firmware/jammy version 20220329.git681281e4-0ubuntu1+exp.48

SRU:
* https://lists.ubuntu.com/archives/kernel-team/2022-April/129806.html (focal, linux-firmware)
* https://lists.ubuntu.com/archives/kernel-team/2022-April/129807.html (jammy, linux-firmware)

Hello You-Sheng, or anyone else affected,

Accepted linux-firmware into jammy-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/linux-firmware/20220329.git681281e4-0ubuntu3 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-jammy to verification-done-jammy. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-jammy. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

verified linux-firmware/jammy version 20220329.git681281e4-0ubuntu3.

The verification of the Stable Release Update for linux-firmware has completed successfully and the package is now being released to -updates. Subsequently, the Ubuntu Stable Release Updates Team is being unsubscribed and will not receive messages about this bug report. In the event that you encounter a regression using the package from -updates please report a new bug using ubuntu-bug and tag the bug report regression-update so we can easily find any regressions.

This bug was fixed in the package linux-firmware - 20220329.git681281e4-0ubuntu3

---------------
linux-firmware (20220329.git681281e4-0ubuntu3) jammy; urgency=medium

  * Miscellaneous Ubuntu changes
    - [Packaging] Drop rsync from Build-Depends
    - [Packaging] Move obsolete scripts
    - [Packaging] Put symlink checking into its own script
  * Add missing inside-secure firmware (LP: #1970543)
    - [Packaging] Include inside-secure firmware
  * The system hangs when HDMI external monitor involved on AMD Yellow Carp platforms (LP: #1970293)
    - amdgpu: update yellow carp DMCUB firmware
  * No Bluetooth Found on QCA9565 (but replacing the ar3k firmware works) (LP: #1969853)
    - [Packaging] Include ar3k firmware

 -- Juerg Haefliger <email address hidden> Fri, 29 Apr 2022 07:30:37 +0200

Can someone help to act on focal release?

Hello You-Sheng, or anyone else affected,

Accepted linux-firmware into focal-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/linux-firmware/1.187.31 in a few hours, and then in the -proposed repository.

Please help us by testing this new package. See https://wiki.ubuntu.com/Testing/EnableProposed for documentation on how to enable and use -proposed. Your feedback will aid us getting this update out to other Ubuntu users.

If this package fixes the bug for you, please add a comment to this bug, mentioning the version of the package you tested, what testing has been performed on the package and change the tag from verification-needed-focal to verification-done-focal. If it does not fix the bug for you, please add a comment stating that, and change the tag to verification-failed-focal. In either case, without details of your testing we will not be able to proceed.

Further information regarding the verification process can be found at https://wiki.ubuntu.com/QATeam/PerformingSRUVerification . Thank you in advance for helping!

N.B. The updated package will be released to -updates after the bug(s) fixed by this package have been verified and the package has been in -proposed for a minimum of 7 days.

Verified focal/linux-firmware 1.187.31 on HP-Lockheed, cannot observe the system hang during plug/unplug in native HDMI.

This bug was fixed in the package linux-firmware - 1.187.31

---------------
linux-firmware (1.187.31) focal; urgency=medium

  * The system hangs when HDMI external monitor involved on AMD Yellow Carp platforms (LP: #1970293)
    - amdgpu: update yellow carp DMCUB firmware
  * [SRU][F/J] Update firmware of MT7922 (LP: #1970923)
    - linux-firmware: update firmware for MT7922 WiFi device
    - linux-firmware: update firmware for mediatek bluetooth chip (MT7922)
  * [SRU][F][linux-firmware] UBUNTU: SAUCE: Update firmware of WCN6855 (LP: #1972806)
    - SAUCE: WCN6855 hw2.0: update board-2.bin
    - SAUCE: WCN6855 hw2.0: 1.1: add WLAN.HSP.1.1-03125-QCAHSPSWPL_V1_V2_SILICONZ_LITE-3.6510.9

 -- Juerg Haefliger <email address hidden> Fri, 13 May 2022 13:35:44 +0200